What you’ll do

Design, build, and evolve foundational backend services that create a shared source of truth for product and merchant data across SumUp, with a strong focus on scalability, reliability, and ease of adoption by internal teams

Develop and maintain robust APIs, data models, and integration patterns that enable teams across the business to access consistent and trustworthy product and merchant information

Build and improve data ingestion, aggregation, and event-processing pipelines that bring together signals from across the SumUp ecosystem into actionable merchant intelligence

Contribute to shaping the long-term architecture and strategy for the Product Catalogue and Merchant Intelligence services, helping establish platform capabilities that can be used across multiple systems and teams

Write high-quality, maintainable backend code following engineering best practices for testing, observability, and production readiness

Collaborate closely with product managers, data teams, and engineers across SumUp to identify needs, solve complex data challenges, and turn them into effective technical solutions

Work across squad and domain boundaries to support integrations, improve data consistency, and enable better internal tools, workflows, and merchant experiences

Help define engineering standards, technical direction, and ways of working in a newly established squad operating in a complex and evolving domain

You’ll be great for this role if you have

Strong professional experience in backend engineering, building and operating reliable production systems

Solid experience with Golang and designing scalable backend services

Strong knowledge of API design, system design, and data modeling

Hands-on experience with Postgres or similar relational databases

Experience with AWS, Docker, Kubernetes, and infrastructure-as-code tools such as Terraform

Familiarity with event-driven architectures and message brokers such as RabbitMQ or Kafka

A strong ownership mindset, with the ability to work independently and navigate ambiguity

Clear communication skills and a collaborative approach to working across product, data, and engineering teams

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

🧑🔬 We take learning and experimentation seriously with Hack Days every second Friday, and entire global Hack Weeks

🌈 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