(Senior) Backend Engineer - Elixir

SumUp is seeking a (Senior) Backend Engineer to join their Hardware team in Berlin, focusing on Elixir development. The role involves working on payment device features, maintaining terminal backend systems, and handling transaction flows for different payment methods. You'll be part of a cross-functional team working alongside Product Managers, Mobile Engineers, Product Designers, and Embedded Engineers.

The position offers an opportunity to work on large-scale fintech products used by millions of small businesses globally. You'll be responsible for implementing and improving backend services, designing APIs, and ensuring high-quality code delivery. The tech stack includes Elixir, OTP, Postgres, Redis, and Docker.

SumUp's Hardware team is passionate about creating beautifully designed card payment devices and accessories that enable merchants to grow their businesses. The team deals with various engineering topics from industrial and electronic design to embedded systems and backend services. They value open communication and continuous learning over strict rules.

The company offers comprehensive benefits including learning and development budget, stock options, pension scheme, paid leave, and various lifestyle perks. They encourage applications even if candidates don't meet 100% of the criteria, viewing it as an opportunity for career development at SumUp.

Working at SumUp means contributing to a product that directly impacts small businesses worldwide, with the chance to participate in global offsites and hackathons while developing your skills in a supportive, growth-oriented environment.