Czym będziesz się zajmować? Your tasks:Take ownership of the technical direction and support consistent delivery across the product.Design and evolve microservices-based architecture with clearly defined REST endpoints.Build and maintain backend services in .NET (C#) and ensure clean, stable API contracts.Cooperate closely with the team working on React SPA to deliver smooth end-to-end functionality.Work with PostgreSQL as the main persistence layer; support data modeling and access via Entity Framework / Repository pattern (depending on implementation).Define and maintain development standards: code quality, conventions, reviews, and pragmatic documentation.Support reliable delivery across environments (Dev / Staging / Prod) using Bitbucket (Git) and Bitbucket Pipelines (automated builds, tests, and deployments).Work with containerized deployments using Docker, a Docker Registry, and Kubernetes deployments.Work within an environment hosted on VMs in a traditional data center, with Kubernetes-based orchestration.Keep engineering quality high across the product: security, maintainability, scalability, and extensibility.Lead the engineering team day-to-day: guide priorities, unblock delivery, and support sound technical decisions.

Kogo poszukujemy? What you bring with you:Excellent English skills — confident communication in international teams; German is a strong plus.Professional experience as a Senior Engineer (or higher), with responsibility beyond implementation (architecture, standards, technical decision-making).A leadership mindset: you mentor others, give constructive feedback, and help teams work in a consistent, high-quality way.Experience leading a small engineering team day-to-day (prioritization, unblocking, aligning on standards and technical direction).Strong backend expertise in .NET (C#) and API design (REST; microservices experience is a plus).Good understanding of modern frontend-backend integration; React experience is an advantage.Solid knowledge of PostgreSQL and common data access approaches (Entity Framework and/or Repository pattern).Working knowledge of Docker and Kubernetes in real projects (deployment basics, troubleshooting, collaboration with DevOps).Familiarity with Bitbucket (Git) and CI/CD setups (e.g., Bitbucket Pipelines, multiple environments).Strong engineering principles: maintainability, security, scalability, clean code, and pragmatic documentation.A proactive, structured, and supportive personality with high ownership and accountability.