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Senior Backend Engineer (Ruby/Go) - Global Expansion

Berlin, Germany · Backend

SumUp is a leading financial technology company, founded in 2012 with the goal of empowering small businesses around the globe. We’re the financial partner of choice for more than 4 million merchants in over 35 markets. We create tools that anyone can use to start, run and grow a business.

We believe that small merchants all over the world deserve to have a key partner to help them grow their business and your squad enables SumUp to be there for them. You will also build tools to enable faster market launches and help other teams to build solutions they can scale in new markets.  

We leverage most product features built by other teams within SumUp and adjust and localise them for new markets using our acquiring and banking partners. As part of this squad within Global Expansion, you will take care of combining and adapting all necessary features to provide full functionality of all our products in new markets.  

What you’ll do

  • To ensure smooth deployment, continuous integration, and support for the software that we deliver, you will drive the collaboration with other software developers, QA and DevOps engineers

  • Help your team to deliver business value by making decisions, thus actively participating in the product and engineering discussions

  • Help customer success agents to provide better support by maintaining and extending internal tooling systems 

  • Broaden our payment method offering by maintaining and extending our core payments system, responsible for the transaction flow

  • Participate in API design and implementation for both internal APIs and those exposed to our third-party integrators

  • Continue strengthening a culture of mob and pair programming and amazingly run monitoring and alerting for our products

You’ll be great for this role if you

  • Are a full-stack engineer who is open to learn new technologies, but have already a vast experience in Ruby on Rails, also Golang would be plus

  • Know how to set up CI/CD, have worked with logging framework (data dog/splunk) and know how to operate and deploy with Kubernetes (incl. Helm charts)

  • Are used to Pair- or Mob programming as the best practice way of collaborating

  • Have a good understanding of software architecture, application design and experience creating thorough documentation

  • Have experience with distributed and fault-tolerant systems and a passion for clean and maintainable code

  • Value team over individuals and autonomy within your team

Why you should join SumUp:

🌍 We’re a truly global team of 3200+ people from 80+ countries, spread across 4 continents

🌏 We prefer this person to be based out of Berlin (but are also open to remote colleagues)

✈️ We offer visa and relocation support for you, your family and even your pets

📚  A dedicated annual Learning & Development budget for attending conferences and/or advancing your career through further education

🚀  Enrolment onto our virtual stock ownership program - you will own a stake in SumUp’s future success

👩🏼‍💻  The opportunity to work on large scale fintech products used by millions of businesses around the world

💶  A corporate pension scheme 

🚵🏾‍♂️  Numerous other benefits such as Urban Sports Club subsidy, Kita placement assistance, relocation assistance, subsidised office lunches and other location-tailored benefits

About SumUp

We believe in the everyday hero.

Small business owners are at the heart of all we do, so we create powerful, easy-to-use financial solutions to help them run their businesses. With a founder’s 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 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, colour, 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.

SumUp will not accept unsolicited resumes from any source other than directly from a candidate.

Job Application Tip

We recognise that candidates feel they need to meet 100% of the job criteria in order to apply for a job. Please note that this is only a guide. If you don’t tick every box, it’s ok too because it means you have room to learn and develop your career at SumUp.