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Senior Software Engineer (Golang) - Online Payments

Berlin, Germany · Engineering

Here at SumUp, we're not just reshaping the way businesses handle transactions; we're revolutionizing the entire fintech landscape. SumUp is empowering small merchants in 36 countries to thrive in the digital age. Picture this: seamless payments at your fingertips, effortlessly bridging the gap between buyers and sellers. From bustling city streets to remote corners of the globe, our cutting-edge technology is democratising commerce like never before.

As a Senior Backend Engineer (Golang) in the Online Payments Tribe, you’ll be part of the team supporting SumUp’s Business growth by providing a scalable, secure and global Online Payments Platform which will facilitate all Card not Present (CNP) transactions - meeting the Online Payments needs of our customers and enabling them to grow. 

You will be working in the Online Payments Platform team.

What you'll be doing as Senior Golang Backend Engineer:

  • Design, implement and iteratively create backend services

  • Maintain and evolve the team core services

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

  • Help your team deliver business value by taking decisions related to the backend and actively participate in product discussions and code reviews with other engineers

  • Provide comprehensive documentation, good test coverage, and improve code quality

  • Collaborate with other software developers, DevOps engineers to ensure smooth deployment, continuous integration and support for the software we deliver

This role will be great if you have the following:

  • 5+ years of experience as a backend engineer

  • Experience with Golang

  • Experience with IaaC, AWS, Kubernetes, and messaging systems

  • You have hands-on experience with Kafka and Postgres

  • Passion for clean, maintainable, and testable code

  • A solid understanding of fundamental system architecture, design principles, data modelling, and API design (RESTful services)

As a plus:

  • You have experience with distributed and fault-tolerant systems

  • Experience with DynamoDB

Why you should join SumUp

  • 🌍 Opportunity to work with SumUppers globally on large-scale fintech products used by millions of businesses worldwide, from our Berlin office. This involves an office-first setup

  • 🌈 Commitment to Diversity and Inclusion: Be part of a workplace that values and promotes diversity, fostering an inclusive environment where everyone's perspectives are respected and embraced

  • 📚 A dedicated annual L&D budget of €2,000 for attending conferences and/or advancing your career through further education

  • 🚀 Enrolment onto our VSOP program: You will own a stake in SumUp’s future success

  • 💶 A corporate pension scheme where we match up to 20% of your contributions

  • 🔄 30 Days Sabbatical: Enjoy the unique opportunity to take a well-deserved break with our 30 days sabbatical benefit after completing 3 years of employment with SumUp

  • 🔗 Referral Bonus: Earn additional rewards by referring talented individuals to join the SumUp team

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

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.