Czym będziesz się zajmować? Your tasks:Backend development & system design: Designing and implementing backend services, APIs, and microservices using ‘Go’, enterprise patterns, and robust business logicDatabase & workflow management: Integrating SQL databases, optimizing queries, managing transactions, and modeling complex workflowsEvent-driven & scalable systems: Developing pub/sub messaging, asynchronous processing, and distributed architecturesQuality & security: Writing maintainable, testable code with TDD, implementing authentication, authorization, input validation, and error handlingDeployment & observability: Deploying services in containerized environments (Docker) on cloud platforms like GCP, monitoring logs, metrics, and tracesTeam collaboration & problem solving: Participating in code reviews, sharing knowledge, and tackling complex business challenges as a team

Kogo poszukujemy? What you bring with you:‘Go’ & backend expertise: Strong ‘Go’ skills and experience with microservices, OpenAPI, and SQL databasesSystem design & business logic: Ability to model workflows, design domains, and manage complex backend systemsTest-driven & quality-focused: Writing maintainable, testable code with robust testing practicesEvent-driven & scalable systems: Experience with pub/sub messaging, asynchronous processing, and distributed systemsTeam collaboration & communication: Sharing knowledge, participating in code reviews, and working effectively across teamsAI-driven productivity: Using AI tools to improve efficiency, code quality, and daily development workflowsFintech experience a plus & domain knowledge is beneficialVery good English skills, both written and spoken – daily communication with international teams.German language skills are an advantage, but not required.