Go Developer

SumUp empowers small businesses across the globe by providing simple and affordable tools that allow them to manage payments, finance, and customer relationships. The company serves over 4 million businesses in 36 markets as a financial partner.

• Design, build, and evolve foundational backend services that create a shared source of truth for product and merchant data;
• Develop and maintain robust APIs, data models, and integration patterns;
• Build and improve data ingestion, aggregation, and event-processing pipelines;
• Contribute to shaping the long-term architecture and strategy for Product Catalogue and Merchant Intelligence services;
• Write high-quality, maintainable backend code following best practices for testing, observability, and production readiness;
• Collaborate with product managers, data teams, and engineers to identify needs and solve complex data challenges;
• Work across squad and domain boundaries to support integrations and improve data consistency;
• Define engineering standards, technical direction, and ways of working in a newly established squad.

• 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;
• Strong ownership mindset with the ability to work independently and navigate ambiguity;
• Clear communication skills and a collaborative approach;
• Nice to have: Experience working in a cross-functional team environment.

• Relocation support is available;
• Annual L&D budget of €2,000;
• Enrolment onto the VSOP program;
• Corporate pension scheme with up to 20% matching;
• 30 Days sabbatical after 3 years of employment;
• Referral bonus;
• Urban Sports Club subsidy;
• Kita placement assistance;
• Subsidised office lunches;
• Regular Hack Days and global Hack Weeks.