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London - 42 jobs in May 2016

#1 of 42

[ original post ]

Native In-Video Advertising. Back-end Java roles. ONSITE. London Nr. Waterloo. We are a small team of Java gurus, computer vision and machine learning experts and sys-admins, based in central London developing a cloud based platform to sell and deliver native in-video adverts (they look like they were always there) to our global customers. We develop containerised Docker microservices deployed onto AWS for our worldwide client-base.

We added up the languages we speak well, and it came to 12. The same goes for our development. We are looking for polyglot developers fluent in Java and preferably able to make themselves understood in JavaScript (AngularJS), Groovy and Python. PHP is never spoken. melanie.bradbury-lane@mirriad.com Recruitment Manager. Mirriad

#2 of 42

[ original post ]

Skyscanner | London, Barcelona, Edinburgh, Budapest, Sofia | ONSITE, VISA | full-time senior hires

We're one of the biggest travel metasearch products in the world by traffic... and we want to 10x that :)

Hiring at a senior level in lots of key disciplines: backend with microservices & distributed systems, big data & data science, full stack and frontend, designers, product, iOS & Android. We are growing in all of our European offices - London and Barcelona being the two newest. In short, if you've got a solid track record in one or more of these areas, know what good practices look like, and have the drive to make things better, we're interested.

We're looking for people interested in working on large-scale challenges and building new products. We have an incredible amount of historical data and a unique position in the market. What should the future look like? How do we best use our data, our scale and new technologies to our advantage as we grow? We're particularly interested in data-driven personalization and recommendation, exploring new travel products and experiences, as well as developer enablement and tooling.

We're one of the very few unicorn companies HQ'd in Europe who are profitable - and have been so for the past 7 years. Recently we've had the director of Amazon S3, Bryan Dove join us as our VP engineering. In London you would be working closely with him alongside some very experienced industry figures in a pretty cool and central location.

You can apply at http://www.skyscanner.net/jobs/ - or ping me an email at alex (.) treppass [at] skyscanner.net for a referral. Happy to answer questions or pass you to someone who can.

On a personal note, I see a lot of freedom, responsibility, accountability. Engineers have a LOT of room to make decisions and move fast, and the encouragement to make things better. It's an exciting place to be.

#3 of 42

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Digital Animal | ONSITE (Birmingham, UK) | Software Developer

What: Node, Go, Postgres, and a good knowledge of bash and/or zsh is always useful.

About us: Digital Animal is a startup with a dozen employees, with offices in Birmingham and London. This posting is for the Birmingham office. Digital animal help companies encourage genuine recommendation from their customers, we do this through being integrated into their site and then performing quantitative analysis on that data. We work with a number of companies from retail, travel, insurance and financial services, including Deliveroo, Hertz, Odeon and AXA.

Me: I am the latest member of the DA dev team, and have now been with the company for 6 months. It's a close knit team where new ideas are always taken seriously, as a small example: some things I've suggested are now integral parts of our automated test framework. If you're in the Birmingham area, or are willing to relocate, I'd recommend checking us out.

Salary: Between £35k and £50k, depending on experience

Full listing: http://digitalanimal.com/software-developer/?AT=4c0dea

#4 of 42

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Lyst | London, UK | ONSITE

When we started Lyst, the fashion world felt to us like the most broken thing online. So we thought we'd try and fix it.

Hiring process: On application an initial phone call, then a take home task. No deadline, any language you like, tested internally to be achievable in 1-2 hours, dare I say it 'fun'. Then a technically focused call followed by a single onsite interview over an afternoon, covering fit (as a first class citizen), coding and technical common sense.

Lyst is a VC backed fashion e-commerce service. Lyst has grown over 300% every year since launch in 2011 and has raised over $60M from top-tier investors

At the heart of Lyst is a data aggregator that lists millions of products from hundreds of designers, brands and retail partners. A scraping architecture that makes more than 4 million calls a day, we automatically add, de-duplicate and moderate 1000s of new products to the site every week. On top of this data, we build systems that help people discover, follow and buy from their favourite fashion brands.

Lyst is principally a python shop, but really we just want to hire great engineers regardless of language background. Our tech blog is a good place to learn more about the sort of problems we work on http://developers.lyst.com/

https://www.smartrecruiters.com/Lyst/91238144-senior-softwar... https://www.smartrecruiters.com/Lyst/87473116-software-engin...

Either apply via https://www.lyst.co.uk/careers/ or get in touch personally if you'd like to chat first - my mail is in my profile.

#5 of 42

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Smarkets | Full Time | ONSITE (London, UK) | VISA

We're a modern betting exchange, going technology first to enable proper price competition in a field of fat commissions. Join a small, agile, and fast-growing team, who just moved to a new office in St. Katharine Docks. (Next to Tower Bridge!)

Smarkets develops a reliable, low-latency, highly concurrent betting exchange based on trading exchange designs. We're also building a fast, modern web interface to allow for a smoother experience. Servicing our users is top priority.

The Smarkets platform is written predominantly on Python and Erlang, and relies heavily on asynchronous programming techniques. We use REST where we can. Life at Smarkets circles around people, version control, configuration management and automation. We can - and do - deploy to production several times a day.

We are looking for:

* Infrastructure Engineers (think midway between SRE and devops)

* Software Engineers

* Frontend engineers, desktop and mobile (React experience is a bonus)

If you like the idea of flat structure and practical engineering approach, see our jobs at https://smarkets.com/about/jobs/

P.S. We trust our employees to be responsible in all things. In that vein, you also get to set your own salary.

#6 of 42

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AlphaSights | London, New York, Remote | Full Stack Software Engineers | Full Time | engineering.alphasights.com

AlphaSights connections decision-makers at the world’s top private equity firms, hedge funds, strategy consultancies and corporations with industry practitioners who possess highly specific business knowledge.

In a business that recognizes usable software is critical to success, our Software Engineering Team builds innovative and intuitive products that supercharge our employees in their everyday work. We practice test driven development, continuous integration & deployment, and pair programming. We constantly improve our processes and workflows to ensure we maximize efficiency, quality, and developer happiness. Constant learning and self improvement is fundamental to our team’s culture.

We use a modern stack: Ruby, Ember, React, Elixir and Postgres. For more information about our team, how we build, our projects, our tech stack, and our benefits, visit engineering.alphasights.com.

We are looking to hire full stack software engineers at all experience levels. All job vacancies are at https://engineering.alphasights.com/#positions.

#7 of 42

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Mixlr | London, UK | on-site

Mixlr[1] is an audio broadcasting company, providing rock-solid and professional live audio services to radio stations, bands, artists - and tens of thousands of other content creators, each and every month.

From designing and building powerful broadcast apps, to seamlessly distributing live sounds to millions of listeners, our team delivers indispensable solutions that are trusted and relied upon worldwide.

More info: http://tech.mixlr.com/jobs

[1] http://mixlr.com


Current engineering vacancies:

* Ruby Developer (backend) http://tech.mixlr.com/jobs/backend.html

* Frontend Developer http://tech.mixlr.com/jobs/frontend.html

* DevOps Engineer http://tech.mixlr.com/jobs/devops.html

#8 of 42

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The Trade Desk | Full Time, Onsite | San Jose CA, San Francisco CA, Aliso Viejo CA, Ventura CA, Boulder CO, New York NY, London UK, Sydney AUS

Hiring: All levels of fullstack software engineers, as well as fullstack engineers with a UI focus

You might be a great fit for The Trade Desk dev team if:

* You are a full-stack SOA engineer / generalist. Experience / interest in working in a variety of layers and technologies within a SOA is a must for our team. This includes: AngularJS SPA development, MVC-based web architecture, external RESTful APIs, distributed (and in our case, highly scaled) request handling services, no-SQL and relational SQL databases, big data processing (e.g. data bus architecture, Hadoop / MPP data warehouse, etc.), and data visualization (e.g. Tableau). Experience in all these layers is not strictly required, but we do like to see experience working in more than one, as well as eagerness to work on projects that might slice through them all.

* You have product-driven software development experience using a modern, object-oriented language. Memory-managed languages are best -- .e.g. C#, Java, Python, Ruby, etc. We do a lot of development in C#/.NET, but specific experience here is not required.

Cool stuff about TTD:

* Our platform processes 3million+ requests per second

* Work with the best engineers in the business

* Lunch catered

* Dog friendly offices

* We've grown faster than any other adtech company in the industry, and have been ranked as the 7th fastest growing company in North America on Deloitte's 2015 Technology Fast 500

* Amazing Company Culture (5 star reviews on Glassdoor don't lie)

* Unbeatable Benefits

If you want to learn more, email casey.rabiea@thetradedesk.com or apply directly on our website http://thetradedesk.com/join-us

#9 of 42

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Boiler Room | London | Web Developer (full-stack) | full time, ONSITE

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Boiler Room is the world’s leading community of underground music fans. We live-stream DJ sets and live gigs from music hubs such as London, Berlin, New York, Paris, LA and >60 other cities to music lovers all over the world. It started as a webcam taped to a warehouse wall in East London - in five years Boiler Room has grown to become the online home of underground music, and also a complex broadcasting and editorial platform in its own right.

We are currently in the process of building the next generation of the web app powering Boiler Room. We have upwards of a million views on our site a month, and that’s not including the hundreds of millions of views that our videos have accumulated on YouTube and Dailymotion. We want to create a completely unique web experience that lives up to the quality of our live shows. To do that we need someone who knows their way around the wonderful mess that is web development, and truly cares about the experience that music lovers will have while using our web app on all kinds of devices.

You’ll be an essential part of a dev team currently consisting of 3 developers and 2 designers. You ideally have strong opinions about how web development should be done in 2016, and you should be able to come up with and implement new ideas for consuming & sharing online music experiences. Going forward, we have some really exciting ideas around peer-to-peer audio and video streaming - interest and/or expertise in that area would definitely be a strong plus.

(...on top of that you’ll of course be able to go to & invite your friends to our exclusive parties being live-streamed on the site!)

If this sounds like your kind of jam, give me a shout on harry.l+hn@boilerroom.tv!

#10 of 42

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Arachnys | Frontend, backend and data engineers | London, New York

We help organisations from banks to charities solve their compliance problems, focussing on AML/KYC checks and deeper investigative dives - for instance, our software was used by the ICIJ to dig into the Panama Papers. Think big Hadoop clusters sucking in feeds from thousands of sources in over 100 languages and making sense of it.

Lots of the clever things we do are in-house, but we also participate in open source: see https://github.com/arachnys/athenapdf and https://github.com/arachnys/cabot for side projects that have got lots of community traction.


#11 of 42

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Lumi | London, UK | iOS Developer (Swift) | ONSITE | https://lumi.news

Salary: £40,000 - £65,000 depending on experience.

Lumi is a personalised news reader. We learn your interests automatically from the get go and recommend you articles that we think you'll love. Lumi was created by the founders of Last.fm, a music recommendation website that accrued 40 million users.

We already have a successful Android product, and our iPhone version will be launching within the week. We are looking for an experienced iOS developer to join our small team.

To apply, either launch a CV at jobs@lumi.news, or get in touch personally if you'd like to chat first (tom@lumi.news).

Job spec: https://lumi.news/about/jobs/ios-developer

#12 of 42

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Potato are hiring front end web (often using AngularJS) & Python (mainly Django) developers plus UX designers & project managers ONSITE across our offices. VISA potentially available for working in the USA for British passport holders. Freelance & fulltime available.

We're a 6yr old, 110 person agency based in London, UK with offices in Bristol, UK & San Francisco Bay Area. Our clients include Google, PayPal, Skype, and a number of startups.

Our work spans (and sometimes defies) categorisation and is used by over a billions people a year. Recent interesting projects include tracking an Antarctic expedition, organising the world's artworks, mapping DDoS attacks and Syrian regime defections, and aiding rapid collaboration inside companies.


#13 of 42

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Haplo -- London, UK -- Full time, ONSITE


We're looking for developers at all levels, from junior to senior, to help us build open source software which is making significant improvements to everything from the inception of research projects to publication of research results.

You'd love working with us if you think that:

* doing things the right way is just as important as getting them done.

* open sourcing your software allows your work to have a positive impact on as many people as possible, and makes great business sense.

* growing steadily through revenue is preferable to gambling with the rocket fuel of investment.

* working in an environment where everyone is learning together is essential to doing your best work.

Our open source information platform, Haplo, is a radically effective framework for building applications to manage information in complex organisations. On top, we're building Haplo Research Manager, which provides a single integrated view of all research activity in a university.


We're a bootstrapped, mature and successful business, and are at an exciting time where we've won several large contracts, the team is growing, and our toolkit enables us to rapidly deploy new features.

Join us! http://www.haplo-services.com/about/who

Fast recruitment process: Email us your CV. 20 minute phone call. Spend a few hours on a short coding challenge. Visit us for an in-depth code review and interview.


#14 of 42

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Expend - London, UK - Full time - FinTech - ONSITE

Back-end Python Developer (Competitive salary with stock options)

Expend is a FinTech payments company innovating within the financial services sector with an innovative new product in the financial services sector. We simplify the annoying company expenses process with a smart solution, built using cutting-edge technology with a side of creativity. We’re ambitious, with multiple targets and objectives, and our first challenge is to revolutionise business expenses.

We are working within a huge sector mainly dominated by big companies using outdated approaches. It is in massive need of change and we aim to revolutionise the industry. We provide mobile, online, card and payment products as part of an intuitive solution with unique functionality.

The Role:

We are looking for talented Python backend engineers to join our team in our dynamic office space in the heart of Shoreditch, London. You will be using your knowledge to help build the Expend product, working across various disciplines, including security, accountancy and financial systems.

The role encompasses the following:

* Working alongside the Expend team (currently 7 strong and growing) to help build and improve our core transaction and backend systems which are at the heart of our service (this involves REST APIs and Microservices) * Actively contributing to the open source community whenever possible * Other suitable work dependant on skills * You will have the opportunity to work within a talented team alongside experienced engineers.


* Proficiency in Python and cloud technologies (i.e. AWS) * Knowledge of Databases (i.e. PostgreSQL, DynamoDB) * Appreciation for modern Agile development using Scrum * Strong communication skills and punctuality * Self awareness and a desire to improve your skills * Proficiency in English with the right to work in the UK * And most importantly: A passion for creating products that people love to use!

Send CV to (jobs at expend dot io) or apply at https://expend.io/jobs

#15 of 42

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Farmdrop - https://farmdrop.workable.com/ - London, UK - Onsite - Permanent - Full-time. Farmdrop represents a new economic approach to food retailing whereby the benefits of cutting out the middle-men are shared between customers who enjoy fresher, healthier food at lower prices, and smaller scale producers who enjoy best-ever trading terms. We are supported by many in the food and farming communities and backed by the entrepreneurs behind Asos, Love Film, Zoopla, and Street Car. Current openings in London - Automation QA Engineer. E-mail me direct at james@farmdrop.co.uk for more information.

#16 of 42

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Tower Research Capital LLC | Onsite (New York, Singapore, Gurgaon/New Delhi and London), VISA

Tower Research Capital LLC is a computerized trading firm headquartered in New York City with major offices around the world. Successful electronic trading firms integrate a number of disciplines into order to be successful, including systems engineering, statistics, computer science, finance, and street smarts. Tower Research Capital LLC has assembled a team of outstanding engineers and traders who have built some of the fastest, most intelligent computer systems in the world.

Tower’s high-performance infrastructure is at the heart of what we do, and our Core Engineering team is critical to the continuing success of our business. Software plays a critical role in every part of our business: we consider ourselves a technology company as much as a trading company. The Core Engineering team performs a wide variety of functions, including designing, implementing, and optimizing our trading platform; developing systems that provide easy access to market data and trading simulations; creating tools to analyze data for patterns; and providing real-time trade support and risk management.

You can check out our jobs page for the roles we are currently hiring for.

Technologies: We use C++11 to build our trading systems and much more. Automation is mostly handled through Perl and Python scripts. But that is not a strict requirement if you can churn out good documentation :)

You can either apply to the jobs page (https://www.tower-research.com/open-positions/) directly, or email me at akshaydixi+tower at google's email service with your resume and a small blurb about yourself so I can take advantage of our generous referral programme :)

#17 of 42

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Infectious Media | London, England | Onsite, EU Only | Many!

We are a young, vibrant and award winning company specialising in programmatic advertising. Founded in 2008 at the inception of programmatic, we were one of the first practitioners globally and a pioneer in Europe. Today, we run global programmatic campaigns for leading advertisers from our offices in London and Chicago. On any given day we have campaigns live in over 30 countries. Each month we process more than 500 billion ad decisions and terabytes of data. Unlike most agencies we have built our own RTB infrastructure from the ground up, to suit our way of working.

Our RTB infrastructure at a core is written in Go, with supporting services using Ruby, Python and whatever fits. Our infrastructure is powered by a mixture of GCP/Mesos and Marathon supported by an internally written ETL scheduler which you will help develop and maintain. Some of the other technologies we use include Kafka/Rails/Docker/Redis/Clojure/HBase and much more.

We're hiring for Data Analysts, Data Engineers and DevOps/SRE people.


Benefits: Company bonuses, options scheme, 25 days + public holidays, pension, cycle to work, health cash back, lunch once a week, drinks on Friday and more.

Contact: sam.pegler@infectiousmedia.com

#18 of 42

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Magnetic: New York, San Mateo, Ann Arbor, London (all ONSITE, VISA sponsorship available)

Are you someone who has a passion for software craftsmanship? Do you prefer Agile processes, and care about regularly shipping well-crafted code to your users? Does developing software on collaborative team sound like the ideal next step in your personal journey? If so, then Magnetic is looking for you! You can read about some of what we do at our tech blog: http://tech.magnetic.com/.

Magnetic builds a marketing platform for enterprises, brands and agencies. Our prospecting, remarketing, and merchandising solutions help marketers find, keep and bring back customers across channels and devices. These solutions are powered by our unique data including purchase intent and behavioral insights.

We do this with a (micro) services (oriented) architecture (choose your favorite buzzwords) using PyPy, GoLang, Java, and Scala; we use Kafka, HBase, MongoDB, Samza, and Spark, among other open source technologies. Each of our development teams is cross-functional and largely self-directed, so if you want to make an impact, we've got a role for you.

Apply online at http://grnh.se/ng1cb0. If you don't see a job that looks right, drop us a line anyway -- we'll make sure your application gets to the right person.

#19 of 42

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Fueled | Product Manager (Senior + Mid-Level) | Soho, NYC | Full Time | $80K - $130K Apply Here:http://bit.ly/1UvMtuB

Fueled | Senior UI Designer | London + NYC | Full Time | $100K - $130K Apply Here: http://bit.ly/1PKoCJR

We’re working on award winning apps in our award winning coworking space.


Benefits: Equity Unlimited Vacation Macbook Air Performance bonus (10%) Quarterly team dinners The coolest office in Soho


#20 of 42

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Remote West & East coasts of the U.S., London, UK. What: Pre-sales Solutions Engineer

What you'll do: Lead the analysis process in understanding challenges and requirements for all business functions.
 Design and develop exceptional user experiences & solutions with Skuid that fulfill internal business operations requirements in the expected timeframes.

Work with Skuid’s User Experience team to develop compelling demos to be used in pre-sales customer opportunities.

Participate all projects using the agile development methodology.

Provide clear communication each week as to the status of solutions progress, risks, and expectations.

Continually act as a liason with all internal teams to log bugs, provide input to the product roadmap, as well as be educated on new advancements in products and programs.
 Become certified with Skuid Essentials within 3 months, and Salesforce Platform App Builder within 6 months.

What you'll need: BS in Computer Science, related technical fields, or equivalent practical experience.
 1+ years experience in app development.
 Understanding of Javascript, HTML, CSS, databases, however coding expertise is not a requirement.

how to apply: www.skuid.com/careers

#21 of 42

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Elliptic - https://elliptic.workable.com/ - London, UK - Onsite - Permanent - Full-time. With recent Series A funding we at Elliptic are a blockchain intelligence company. We identify illicit activity on the Bitcoin blockchain and provide our services to the leading Bitcoin companies and law enforcement agencies globally. We seek a Lead Java Engineer and a Frontend Engineer. Please contact me at james.peters@ellitic.co

#22 of 42

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Circle | San Francisco, CA (Onsite)

Circle is a consumer Internet company focused on transforming the world economy with secure, simple, and less costly technology for storing and using money. Circle is backed by $76 million from investors including Goldman Sachs, IDG China, Breyer Capital, Accel and General Catalyst. With offices in Boston, San Francisco, Dublin and London, Circle is building mobile apps aimed at enabling greater ease-of-use in online and in-person payments, with enhanced security and privacy, and the convenience of free, instant, global digital money transfers.

We are looking for talented data scientists to join our team in San Francisco. Understanding our data is key to our success, and you will play a key role in building our analytics practices. You will work closely with team members in product, marketing, risk/fraud prevention, treasury/trade and finance to build useful analyses about Circle. We are a passionate team with a deeply analytical mindset, and your work will support us in our mission to be a world-class data company.

Apply here, and please mention Hacker News in your cover letter. https://www.circle.com/en/careers/job_20160127162900_BMNF6CS...

#23 of 42

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GoCardless (YC S11) | London | Frontend, Backend, SRE | Onsite | Full-time

GoCardless is building a payments network for the internet. Since 2011 we've been focused on simplifying Direct Debit for small and medium companies (who previously had no access to it) and we're now expanding to serve the largest companies (think newspapers, utilities) and connect with existing payment systems in countries all over the world. We already support the UK and Europe and are aiming to expand to more countries over the next year.

As an engineering team at GoCardless we care most about stable, reliable, understandable code. We rely on testing and code review and a culture of frequent constructive feedback. We define and manage our own roadmap and run projects in whatever way works best for us.

Our stack: Rails, Angular, Postgres, Elasticsearch, Docker, Chef. We also have a bit of Go and Python knocking around.

We love learning new things and contributing back to the community. We open source everything we can and regularly host meetups and hackathons at our office in Angel. We have a weekly bookclub within the team and give internal (and external) talks about things that interest us.

Interview process: a couple of phone screens, one take home test, one onsite interview (pair programming and some chats - no whiteboards)

More info: https://gocardless.com/jobs.

If you've got any questions, let me know (email's in my profile).

#24 of 42

[ original post ]

Software Developer/Web Developer/Product Manager | NewsNow.co.uk | London, UK | Full-time, permanent

Passionate about any area of news, sport, or fairness in news reporting? Relish crafting elegant solutions to hard technical and business problems, using whatever is the best tool for the job? Thrive in an open, collaborative environment, where the best ideas can come from anyone? Confident and articulate about what you know, and humble and articulate about what you don't? Fancy the idea of competing with Google, by being clever rather than colossal?

Then why not consider joining NewsNow.co.uk, news aggregator and top ten UK media publisher with 15M users monthly. Established 1998 and profitable ever since, our ethos and business models have stood the test of time. Ours is a developer-led company: our Founder and CEO heads up our development team.

We currently have three opportunities: - As a /software developer/, you’d be working on projects including our unique in-house article classification engine, generating live digests of our most compelling content, or mining live streams of data about events from all over the world. - As a /web developer/, you’d work on projects like letting users view images from the news, and rate articles. - As a /product manager/, you’d help us to ‘get it right’ through your zest for software development and the user experience, your passion and excitement for our business and your ability to inspire this in the rest of the team.

We run Debian Linux on our co-located raw metal and on AWS EC2/VPC, with MySQL, Apache, and in-house code written in a variety of languages. We do our web development in HTML5, CSS3, advanced JavaScript, jQuery. We use OO patterns in coding.

We’re also welcoming applications from remote developers if you live within a reasonable commute of London.

If you like the sound of us, we’d love to hear about you. Please get in touch!


#25 of 42

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Thread.com (YC S12) | Software Engineer (Data/Machine Learning)| London, UK | Full-time | Onsite

We're a startup that's using human stylists and machine learning algorithms to reinvent how shopping works for men (and someday women) who want to dress well but dislike shopping. In the process we're helping them to feel happier and more confident about themselves. We're backed by a collection of the top investors from London and Silicon Valley as well as Y Combinator.

You'd be joining a small, highly technical team with lots of startup experience (the founders have started and sold 2 companies before). We're lucky to have had a lot of success bringing together exceptional people in design, machine learning/AI and engineering, and we're now focussed on finding our first dedicated data engineer. You'll be working closely with Ed Snelson, Thread's Head of Applied Research and a world leader in data science, to build systems to improve our recommendations. Using data to help our users dress well is at the core of what we do; it's not a nice-to-have bolted onto the product. You'll be responsible for building predictive model training pipelines, assisting with model feature development, data warehousing, and working with the styling and product teams to ensure our clients receive the best experience possible.

Want to learn more? Check out https://www.thread.com/jobs and you can see some of our code at http://dev.thread.com/

#26 of 42

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CUTOVER | RUBY DEVELOPER | London UK | Full-Time | http://www.cutover.com

We’re looking for a hands on developer with a Ruby on Rails background to join us in the continued development of the Cutover platform and business, after our graduation from the Techstars program We have a responsive AngularJS front end, built with a RoR backend, with mobile to follow. We want you to be the glue between them and help us continually improve the products API and background services. We're looking for someone with a distinct interest and experience in algorithms, machine learning and recommender systems, as well as experience building and leading teams. You will help shape the technical architecture of the product ongoing, as well as hands on coding. We're looking for a peer, rather than a pure, head down dev.


It’s more you we’re interested in. We're looking for:

A solid understanding of the full web technology stack (e.g. HTTP, cookies, headers, asset loading/caching)

Someone who is a real doer – someone who makes things happen; you find a way or make a way.

Someone who has worked in agile teams, shipping great products.


Ruby on Rails 4/5


Knowledge and experience of scheduling algorithms, closure trees, object graphs

Knowledge and experience working with RESTful APIs

GIT, Vagrant, Amazon Web Services automation

APPLY To apply, please send a copy of your CV and a brief covering letter jobs@cutover.com. mentioning Kieran and HackerNews

#27 of 42

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Full Stack ASP.NET Developer | London, UK | Full-Time | On-Site

Role: Full-stack web developer focused on ASP.NET MVC, C#, SQL Server

Salary: £45-60k depending on ability

Background: We setup Test Partnership in 2014 as a research project to publish a new kind of psychometric test using Item Response Theory. Now we have strong recurring revenue, international clients, and a small but passionate team. We're looking for a full-stack .net web developer to take on all development and maintenance of the web application. It's a fun job because you'll be involved in all aspects of the product lifecycle.

Interview Process: 1) Informal telephone chat for each party to learn about the other, 2) Online inductive reasoning test (this os one of our products), 3) On-site interview with another developer and a director.

Apply: please email Oliver at oliver@testpartnership.com or read more at https://www.testpartnership.com/careers/net-developer.html

#28 of 42

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Phenomen Films | London, UK | ONSITE | Frontend / Full-Stack Developer

Phenomen Films is an independent film production company currently working on DAU, a film project conceived and directed by Ilya Khrzhanovskiy. Shot over several years in Russia and the Ukraine, DAU is now post-producing in London. The setting is 1938-1968 in the Soviet Union. We have 700 hours of material (all shot on 35mm) out of which we are making feature films, TV series and a slate of science and arts documentaries, as well as a multi-media project.

For the media project, we have been working on a web application to let viewers explore the raw, unedited footage (using time-based annotations compiled by a team of analysts) and interact in real-time with other viewers. The footage and annotations are stored using a slightly-customised instance of an open-source video archive platform, built with Django, PostgreSQL and friends.

We're looking for a frontend (or front-leaning full-stack) developer to focus on, well, the frontend: iterating on the current design, informed by user feedback, towards an immersive and intuitive navigation system. You'll need strong web frontend development skills (HTML, CSS, ES6). Some UX design experience would be very helpful. One or more of the following would be great, but not at all essential:

* Experience with Django and PostgreSQL (for the archive platform)

* Experience with search, multimedia, real-time communications, or recommendation systems

* Experience with data analysis in Python using pandas, scipy, and friends

* Some Linux sysadmin skills

* Strong opinions about any of the above

This could be a full-time or part-time position, depending on your situation and availability. Most, if not all, of the work will need to be carred out on-site.

Contact recruitment@phenomenfilms.com to apply for this position.

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EDITED | Engineering Positions | London, UK | Onsite | Full-Time

We’re currently hiring for Engineers (especially front-end focused people who like React, right now) and DevOps. Our stack is primarily Python & JavaScript, with frameworks like Django/Flask and react.js/d3. We aren’t afraid to integrate new tech and like to keep exploring what’s out there.

We're an established startup, focused on doing important things for retail, the fourth biggest industry in the world, helping them reduce waste and be more efficient. We have a beautiful web app, used everyday by hundreds of people at Topshop, Saks Fifth Avenue, GAP and more.

Our engineering team is a group of smart people from really varied backgrounds. We’re solving diverse and interesting problems on a daily basis, like image analysis, big data visualisation and a load of other fun things that come with having a rapidly growing data set. We love good practices like extensive testing and continuous integration, and enjoy giving back to the community, so open source contributions are highly encouraged.

Our office is large and sociable; people eat lunch together every day and we have drinks and snacks in the office every Friday, as well as team days out and all expenses paid trips abroad. There’s a video on our jobs page of our most recent one: http://edited.com/jobs/

Half of the team has actually found and joined us through “Who’s hiring”, so don't hesitate to get in touch, we're always happy to meet new people!

More details: https://edited.com/jobs/ or email jobs@edited.com

#30 of 42

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Six to Start | London or REMOTE | Full-time

We make the world's most successful smartphone fitness games with over 3 million players. Every day, we receive emails telling us how our games have literally improved our players' health and, in some cases, even saved their lives. Talk about job satisfaction!

Our flagship games, Zombies, Run! and The Walk, combine innovative real-world gameplay with captivating stories and design. We want to find someone who can help us improve our existing games and develop new games that are just as revolutionary and innovative as Zombies, Run! http://www.zombiesrungame.com

* Senior iOS Developer: http://www.sixtostart.com/onetoread/2016/senior-ios-develope....

* Senior Android Developer: http://www.sixtostart.com/onetoread/2016/senior-android-deve....

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Dentally (https://dentally.co) | Software Engineers | London | Onsite or Remote

At Dentally we helping improve oral healthcare by building cutting edge, online tools for dentists. Dentally is used by dental practices and patients all over the World.

We're looking for experienced and talented individuals to join our small engineering team to help us bring our next ideas to life. You'll be iterating quickly on features and services that dental practices depend upon. You'll be given autonomy and independence when writing your own code and will be expected to manage your own projects. That said, we work as a close knit team so you'll also be involved in other projects and will collaborate with the rest of the team to ship features.

We are interested in people who have strong product experience, people who have spent a lot of time paying attention to the finer details about what really matters to customers.

Current open positions:

* Frontend engineer (Javascript/Ember JS)

* Backend engineer (Ruby, Postgres, Redis)

If you'd like to know more simply get in touch with us at jobs@dentally.co

#32 of 42

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Ingresso | London, UK | ONSITE

Ingresso is a London-based ticketing startup. We have done the work to connect to a large number of ticketing system APIs, allowing us to transact directly on the venue's system. We are profitable and processed over £18 million worth of tickets in the first 4 months of the year, 4x more than the same period last year.

Our ticketing platform consists of:

- an API (exclusively powering Amazon's ticketing business tickets.amazon.co.uk)

- a white label website (eg www.fromtheboxoffice.com)

We aim to make these two products the best in market, and need your help to do it :) We use a combination of Python and C. We have recently written 2 new services in Go, and have just migrated half our infrastructure to Google Cloud.

We're looking for:

- Senior Backend Web Developer

- Full Stack or Backend Web Developer

- Junior Technical Analyst

http://www.ingresso.co.uk/careers/ (yes, we need a new website)

matt at ingresso.co.uk

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London, UK - Pusher - https://pusher.com/ - Full time - On Site Only

Pusher is a multi-tenant distributed system that allows our customers to deliver billions of messages to their connected users. We operate at massive scale, and this informs and affects everything we do. We're profitable and growing sustainably.

Our engineering team is based in London. We are looking for engineers who want to work on interesting problems in a production environment, and take responsibility for the real-world operation of a large and increasingly distributed system. Our software stack is built around Linux, Ruby, Haskell, Go, Node.JS, Redis, MySQL, Git, Puppet and Ansible.

We are currently hiring:

* Platform Engineers to continue improving and scaling our core real-time infrastructure: https://pusher.workable.com/jobs/52789

* Mobile Product Engineers to work on improving our mobile libraries on both iOS and Android, and demonstrating what Pusher can do for mobile end users: https://pusher.workable.com/jobs/114508

* DevOps Engineers so we can continually improve the way we deploy and maintain our platform: https://pusher.workable.com/jobs/90375/

* junior Developer Relations person to help grow our user base: https://pusher.workable.com/jobs/218475

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https://www.knewton.com | Union Square, New York City | Full-time | Onsite

We're hiring multiple engineering positions across product, infrastructure, data, and platform. Apply on our careers page and mention you saw Jon's post on HN https://www.knewton.com/about/careers/

Knewton is on a mission to personalize education for students around the world. Education companies worldwide use the Knewton infrastructure platform to power course materials that dynamically adapt to each student’s unique needs.

At Knewton, we use small, cross-functional teams to solve difficult challenges with real-world implications. Teams comprise a range of technical, mathematical, educational, and design specialists unified by a passion for improving education.

Knewton serves over 10 million student worldwide and has offices in New York City, London, Tokyo, and Sao Paulo.

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Front End Developer - Mobile | https://www.roostermoney.com | On-site |London

We are building a platform that takes children from their first steps in understanding the value of money to their first bank account - in any currency and country. We are passionate about building a product that helps families engage with saving and delights parents and children alike.

We shipped the first stage in our platform – a pocket money tracker in January.

This role offers you the opportunity to take a senior position in a small team at an exciting and early-stage; not only building our product but getting involved with how we shape our product strategy as a whole.

We are constantly experimenting with new technologies, at the moment we use .NET, Cordova, Javascript, Handlebars.JS, and Backbone. You will be mainly working in our mobile app and interfacing with both our own API and partner API’s.


* Play a critical role in designing and building our platform. * Ship and taking ownership of impactful new features and functionality * Develop robust deployment and testing processes * Working closely with a small group of determined, like-minded people to reshape the way families talk and engage with money.

REQUIREMENTS * You will have shipped single page web app’s or an app to the app store. * You enjoy building apps that delight users and focus on their needs, as well as business objectives. * Excellent pure javascript skills and experience with Backbone. * Appreciate good UX and UI. * Experience building elegant and responsive front end user interfaces for web apps.

Get in touch: jobs@roostermoney.com Apply: https://roostermoney.workable.com/jobs/247642

#36 of 42

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San Francisco/ London/ Barcelona/ Madrid/ Sydney | TokBox | JavaScript Engineers, Head of HR, Product Marketing Manager, BizDev Managers in 1) Healthcare and 2) Education) | 98% Onsite, remote for the right fit


TokBox does embedded communications powered by WebRTC. We make it easy for developers to embed real-time video, voice, and more into their applications and websites. We build a platform and SDKs, and have great clients from individual developers to massive players in tech, entertainment, education, and many other industries (customers include the Minerva Project, Chegg, esurance, Major League Baseball, Double Robotics, and Fox Sports). We've been doing real-time communications for over 8 years. We were acquired by Telefonica 3 years ago. It hasn't changed the culture much, and has helped us reach more customers around the world.

The product is great but the people make this place where I work. It's an awesome group of 70 or so people- nice, smart, skilled. We are laid back and have a sense of humor. Good salary and benefits, relaxed, enjoyable environment!

We've hired a ton in 2015 and are continuing to keep hiring in 2016. We're looking for a JavaScript engineer in Australia who wants a challenge on a small fast moving team. Our head of HR is sadly leaving after 5 years, so we need a replacement. We’re looking for someone with product and/or marketing experience to do product marketing. For business development, we're looking for people with strong experience in either healthcare or education.




Come join us!

#37 of 42

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BridgeU | London, UK | Onsite

What: bringing intelligence and analytics to the process of applying to universities around the world.

We're a scalable EdTech company, already sold to secondary schools in 25 countries, raised large seed round from big-name VCs last summer: http://techcrunch.com/2015/11/16/bridgeu-raises-2-5m-to-fix-...

Hiring for a Product Manager: https://angel.co/bridgeu/jobs

#38 of 42

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World First Ltd | Millbank Tower, London | Full time | ONSITE

World First is an established currency company. We have a medium sized IT team looking for PHP developers to continue development on the existing World First systems. The stack is PHP, RabbitMQ, Apache/Nginx and MySQL.

Job links below: Senior PHP software dev: https://app.jobvite.com/j/?cj=okPz0fws&s=AddThis#.VguQkA8d_D...

More information available by commenting here, or emailing victoria.bradford@worldfirst.com referencing HackerNews

#39 of 42

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Open Energy Market - Surbiton (UK) - Full Time - Remote OK

Open Energy Market is a small, innovative, company building technology that is re-defining the commercial energy buying space. Since our launch in 2013 we have built an impressive portfolio of clients and partners including some of the largest household names in the United Kingdom.

For more information about us and what we do, head to https://openenergymarket.com.

We are looking for a self-organised and motivated individual to join our team as a Full Stack Web Developer. Our development team is cross functional and is currently fully remote however, we do have an office in Surbiton just outside of London.

You will be given a high level of autonomy in how to approach delivering requirements and will report directly to the Chief Technology Officer. From day one you will be responsible for the development and support of our core applications and deploying them to the Azure hosted environment.

Our current platform is built using .Net/C# with the MVC framework and SQL Server. Experience of these tools is preferred but we are keen to talk with individuals from any Object Oriented, web based background. Additionally, you will have a good working knowledge of web development standards including Html, JavaScript and CSS.

We host the platform on Azure and we would expect you to have demonstrable experience of using Azure or a comparable hosting environment such as AWS or Heroku.

About You

- You will be the kind of person that programs for fun as well as profit. - You will be able to talk effortlessly about the various merits of one software design vs another and why you use your preferred development tools. - You will have a SOLID knowledge of core programming skills, Clean Code, TDD and automation. - You will be a confident developer who is at ease discussing requirements with the rest of the business and who is passionate about the design and testing of new features and changes.

To find out more and see if we are the kind of company that would interest you email jobs at openenergymarket dot com and we'll get straight back to you.

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Citymapper. London, UK. (ONSITE VISA INTERNS)

Hiring for ALL roles (engineering, design, product, data science).

Apply at https://citymapper.com/jobs/

Also you can contact me at emil at citymapper dot com if you have any questions.

#41 of 42

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Pivotal | ONSITE at many locations worldwide | Engineers, Designers, Product Managers, Pre/Post-Sales Engineers, Ops, Sales

We value aptitude over alma mater, empathy over APIs. It doesn't matter whether your resumé says PHP or PhD: if you're smart, empathetic and know some stuff, we want to work with you.

Pivotal's goal is to change the way the world makes software and we kinda sorta really mean it. We're broken into three basic divisions: Pivotal Labs (yes, that Pivotal Labs), Pivotal Cloud Foundry and Pivotal Big Data. Moving between divisions, temporarily or permanently, is possible.

We have offices in San Francisco, New York City, Santa Monica/LA, Palo Alto, Seattle, Beaverton, Boulder, Denver, Chicago, Boston, Washington DC, Atlanta, Austin, Toronto, London, Dublin, Tokyo, Sydney, Berlin, Singapore and Beijing, with more coming.

We are constantly thinking about how we work and how we can work more sensibly, effectively and enjoyably.

-- Pivotal Labs, from which the company draws its name and cultural seed, helps clients to become better at development. For engineering we are religiously lean and agile. In practice that means we pair program and TDD every line of code from the outside. Our product managers are fantastic at keeping products sharply focused, our designers are masters from users to pixels.

-- Cloud Foundry solves application deployment and management. We're the main contributors to the Cloud Foundry project. We're constantly improving the leading opensource PaaS -- our distribution has the fastest-growing sales of any opensource product ever.

Except for integrated upstream code, every line is pair programmed and TDD'd. We dogfood the cutting edge of the technology on our own commercial public cloud (Pivotal Web Services). It works because we took the XP and Lean DNA of Pivotal Labs and scaled it up to build the best cloud platform available.

-- Big Data is our suite of battled-hardened products, now open sourced. Greenplum tackles massive datasets with the comfort of PostgreSQL. Apache HAWQ (incubating) brings Greenplum's distributed query planner to Hadoop. Gemfire, donated as Apache Geode (incubating), is an in-memory distributed grid with years of high performance in high-stakes systems.

-- Generally

At our offices we have free breakfast, weekly tech talks, good benefits and competitive pay. Ping pong isn't mandatory, but it's popular. I think west-coast ping pong is harder to beat, but east-coast style is more entertaining to watch. The beer fridge has more IPA than I prefer but I guess that's life in paradise.

You can see the available jobs and apply through our website: https://pivotal.io/careers. If you do, please mention my name. You can also email me at jchester+hn@pivotal.io to answer any questions you might have. Either of these helps me score one of our referral bonsues (did I mention our generous referral scheme?)

For what it's worth, I'm just an engineer, so my replies might not be immediate. I hope that's OK.

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CloudFlare https://www.cloudflare.com/ | San Francisco, CA; London, UK; Singapore, SG; Urbana-Champaign, IL; Austin, TX | VISA, ONSITE

CloudFlare is building a better Internet -- performance and security optimization at the edge. Our long term goal is to give every site the same performance, security, and reliability that major sites like Google and Facebook accomplish, without any specialized network hardware or complicated administration. We enhance millions of sites, including this one. We're hiring for a variety of roles -- started 2015 at 128, ended around 220, doubling again in 2016. This is a perfect time to join -- product market fit is established, but there's a lot of great engineering, product, sales, and support work to be done.

We've publicly said we're profitable and on track for long term independent success. You may wish to check out our blog to see the kinds of engineering work we do. (https://blog.cloudflare.com/).

https://www.cloudflare.com/join-our-team has a listing of positions.

We're always hiring for operations/SRE, sales, general systems engineering (mostly in Go, nginx, and network, as well as DNS at scale), and web development.

Specific roles we're keen to hire include:

0) Great operations/SRE staff: operating our system at scale (80+ datacenters around the world, 24x7 coverage, >4 million sites) requires highly competent, hard-working, and communicative engineers.

1) Product designer(s) -- we're looking for great talent to help build UX for new products, and to improve the interface and user experience of our existing products. We have a range of customers, from consumers with a single blog all the way through some of the largest sites on the Internet, and designing interfaces which work well for all of these users is a big challenge -- are you up to it?

2) Great front-end engineers -- building new UI/UX to expose controls and data to customers is an increasing portion of what we do. Our current front-end stack is Backbone + Marionette with Browserify and Sass. Our new projects are using React + Redux + Babel + css-modules, and generally adopting Higher Order Components. We're also starting the process of re-imagining our main WWW Front-end stack with a migration to Redux.

3) Systems Engineer -- looking for people to help serve even more traffic, build infrastructure for security and robustness, and contribute back to open source projects. We make extensive use of nginx, lua/luajit, and ssl-at-scale.

4) Really interested in people who want to help fix problems for Internet publishers (articulate what those are and how you think you could help)

(Also -- We're particularly interested in people with Mandarin experience; we have a joint venture with Baidu, and want to make the experience for both Chinese Internet users and Chinese sites abroad as great as it can be.)

The interview process is a phone screen with a recruiter, then one or two technical interviews by phone, then a full day of onsite interviews. We are trying to shorten the period between interviews (it has dragged on due to very busy hiring managers, in the past), so please ping the internal recruiter at any time if you feel things have stalled. Generally we get an answer back to candidates within a week of the on site interview.

If you're interested, please apply through the

https://www.cloudflare.com/join-our-team link