Backend Engineer

This is what you will do

A new challenge in modern fintech engineering! In cooperation with our partner, a Swiss company redefining digital finance, we’re looking for a Backend Engineer to join an ambitious and fast-growing international team.

This is a full-time role for a highly skilled backend professional who combines strong technical expertise with an engineering mindset. You’ll design and build scalable architectures, develop robust APIs and event-driven services in Go, and ensure the reliability and performance of core financial systems that power a next-generation fintech platform.

If you enjoy solving complex challenges, take ownership of technical decisions, and want to see your work directly influence the evolution of digital finance — this opportunity is for you.

You can earn this

26 000 – 34 000 PLN net (on a B2B contract)

Your tasks

• Backend development & system design: Designing and implementing backend services, APIs, and microservices using ‘Go’, enterprise patterns, and robust business logic
• Database & workflow management: Integrating SQL databases, optimizing queries, managing transactions, and modeling complex workflows
• Event-driven & scalable systems: Developing pub/sub messaging, asynchronous processing, and distributed architectures
• Quality & security: Writing maintainable, testable code with TDD, implementing authentication, authorization, input validation, and error handling
• Deployment & observability: Deploying services in containerized environments (Docker) on cloud platforms like GCP, monitoring logs, metrics, and traces
• Team collaboration & problem solving: Participating in code reviews, sharing knowledge, and tackling complex business challenges as a team

What you bring with you

• ‘Go’ & backend expertise: Strong ‘Go’ skills and experience with microservices, OpenAPI, and SQL databases
• System design & business logic: Ability to model workflows, design domains, and manage complex backend systems
• Test-driven & quality-focused: Writing maintainable, testable code with robust testing practices
• Event-driven & scalable systems: Experience with pub/sub messaging, asynchronous processing, and distributed systems
• Team collaboration & communication: Sharing knowledge, participating in code reviews, and working effectively across teams
• AI-driven productivity: Using AI tools to improve efficiency, code quality, and daily development workflows
• Fintech experience a plus & domain knowledge is beneficial
• Very good English skills, both written and spoken – daily communication with international teams.
• German language skills are an advantage, but not required.

Your chance

• Opportunity to contribute to the development of a modern fintech platform used internationally.
• Work with cutting-edge technologies such as Go, microservices and event-driven architecture.
• Join a dynamic, collaborative and product-oriented environment with a strong engineering culture.
• 100% remote work from Poland with the option to work from a modern office located right on Wrocław’s Market Square.
• A chance to take ownership of solutions, experiment with new approaches and directly influence key technical decisions.
• We offer benefits including private medical and life insurance, as well as a Multisport card.