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Senior Erlang / Elixir Engineer

SumUp
SumUp. A better way to get paid.

Job details

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Intro

Your impact at SumUp

As part of our vision to become a truly global IT organization, we have started to build out local, autonomous, cross-functional teams that can take an aspect of our product and perfect it from concept to execution. As Senior Erlang/Elixir Engineer, you will be part of our core Payments system.

Your role and responsibilities

  • Maintain and extend the core payments system, responsible for transaction processing and written in Erlang.
  • Design, implement, and iteratively improve new backend services in Elixir.
  • Be a technical leader within your team.
  • Participate in API design and implementation for both internal APIs and those exposed to our third-party integrators.
  • Provide thoughtful and comprehensive documentation and testing for your features before shipping them.
  • Collaborate with other software, QA and sysops engineers to ensure smooth deployment, continual operation and support for quality software.
  • Coach and mentor other engineers to increase their abilities and productivity.
  • Actively provide code review feedback to other software engineers, considering both style and implementation.

About SumUp

We are the leading mobile point-of-sale (mPOS) company in Europe. Our company vision is to become the first ever global card acceptance brand. Today tens of thousands of merchants accept card payments with SumUp in 31 countries including Germany, France, the UK and Brazil.

Headquartered in London, SumUp's major offices are in Berlin, Sofia and São Paulo.

We recently launched a brand new contactless device, which makes paying by card easier than ever before.

Main requirements

  • 3+ years of experience in a software engineering role
  • Experience with Erlang/Elixir and it’s surrounding ecosystem
  • Experience with Git
  • Experience with SQL (PostgreSQL)
  • Experience within Linux/Unix environment (comfortable working with a CLI)
  • Solid debugging, optimisation and problem-solving skills
  • Self-motivated, proactive and engaged attitude towards projects
  • Ability to write clear and concise code that your teammates can understand and build upon

    Disclaimer

    We understand the highly specialised nature of Erlang and Elixir perfectly well and the restricted talent pool available. Please don’t hesitate to apply if you are an experienced developer, a functional programming enthusiast and are existed to jump head in into the exciting world of BEAM languages.

Nice to have

  • Good working knowledge of message brokers
  • Experience with distributed and fault tolerant systems
  • Contribution to open source projects or personal projects is desirable
  • Experience working in an international, distributed team
  • Experience with one or more of the following languages is a plus: Javascript on the Back (Node.js), Ruby, Java / Scala, Golang, Python

Perks

  • Competitive compensation and education budget.
  • Visa and relocation support for a smooth transition to living and working in Berlin.
  • Responsibility and empowerment from day one.
  • Participate in our weekly developer events, like Lunch & Learn and Hack Fridays.
  • Close, welcoming, and international community of 800 people from over 30 countries; we get together regularly for brunches, cocktail nights, football, yoga, German classes, and office parties.
  • At least one off-site every year, where the tech teams from Berlin, Sofia, and São Paulo gather to hack together. In the past we've gone to Bulgaria and Greece.
  • Be part of one of Berlin's most exciting startups, on a mission to take over the world.

  • Apply now!

    We're looking forward to meeting our next teammate!

Apply now

Sign up to apply

Or sign up to refer and earn a reward of €300