Backend Engineer (Elixir)

As part of our vision to become a truly global tech company, we are building out local, autonomous, cross-functional teams that can take an aspect of our product and perfect it from concept to execution. In Payments Tribe our goal is to build a global financial ecosystem while turning transactions into interactions. We are passionate about our product and the vision of bringing new payment solutions to small merchants. Payments processing is the core of the SumUp services and ecosystem. As a Backend Engineer, you will be part of a team with a clear mission and goal to make our customers more successful in what they like doing.

What you'll do

• Design, implement, and iteratively improve backend services in Elixir
• Maintain and extend the core payments system, responsible for the transaction flow for different payment methods and written in Erlang and Elixir
• Participate in API design and implementation for both internal APIs and those exposed to our third-party integrators
• Help your team to deliver business value by taking decisions related to backend and actively participating in the product discussions
• Provide comprehensive documentation, good test coverage, and improve code quality
• Collaborate with other software developers, QA and DevOps engineers to ensure smooth deployment, continuous integration, and support for the software that we deliver
• Actively participate in code reviews with other software engineers

You’ll be great for this role if

• You have previous experience as a backend engineer 
• You have relevant experience with Elixir and OTP (whether in a production environment or from pet projects) or willing to learn
• You have a good understanding of software architecture and application design
• You have experience with distributed and fault tolerant systems
• You have a passion for clean, maintainable and testable code
• You value team over individuals and autonomy within your team
• You are humble, transparent and enjoy working with the people around you
• You are proactive and able to thrive in a fast-paced, dynamic environment

Awesome if you

• Are active in Elixir community, contribute to open source or have personal projects
• Enjoy mentoring fellow engineers and love sharing knowledge
• Worked in an international, distributed team
• Have experience with Docker and/or Kubernetes
• Feel comfortable with Unix/Linux environments

Why you should join SumUp

• You'll have the opportunity to make an impact as we work in flat hierarchies
• You'll have the space to drive your career here and take ownership of projects
• You’ll have the chance to work on a diverse and international team
• You'll be able to attend global offsites/hackathons/team events
• You'll have a competitive compensation and education budget.
• 25 days paid vacation + 1 accumulative day for each year of employment at SumUp
• 10 days educational vacation
• Additional health insurance
• Multisport cards
• Various discounts for SumUp employees
• Attractive referral program
• Employee Assistance Program
• Transportation to/from the office building, office relaxation activities and other great benefits!

About SumUp

We believe in the everyday hero.

Small business owners are at the heart of all we do, so we're creating tools that help them run their business. With a founders mentality and a 'team-first attitude' our diverse teams across Europe, South America, and the United States work together to ensure that the small business owners we partner with can be successful in doing what they love. 

SumUp is an Equal Employment Opportunity employer that proudly pursues and hires a diverse workforce. SumUp does not make hiring or employment decisions on the basis of race, color, religion or religious belief, ethnic or national origin, nationality, sex, gender, gender identity, sexual orientation, disability, age or any other basis protected by applicable laws or prohibited by company policy. SumUp also strives for a healthy and safe workplace and strictly prohibits harassment of any kind.