.NET Backend Engineer in Katowice

Growe welcomes those who are excited to:

• Design, build, and maintain backend services using .NET (C#);
• Develop and evolve microservices in a production environment;
• Support existing functionality and ensure backward compatibility of releases;
• Work on core domain flows such as accounts, registration, authentication, wallet, and related business capabilities;
• Participate in task analysis, decomposition, and effort estimation;
• Deliver completed tasks for testing and collaborate with QA during test phases;
• Build integrations using asynchronous communication and event-driven patterns;
• Work with relational databases, transactional flows, and optimize query performance;
• Identify performance bottlenecks and contribute to system design improvements;
• Contribute to service observability (logs, metrics, traces, dashboards, monitoring);
• Manage deployment configurations and manifests in Kubernetes environments;
• Work in a GitOps setup and participate in deployment and operational ownership;
• Collaborate with DevOps teams on infrastructure-related changes (including Terraform workflows);
• Participate in on-call rotation and handle production incidents;
• Identify technical debt and propose improvements;
• Perform high-quality code reviews focusing on maintainability, performance, and consistency.

We need your professional experience:

• 5+ years of commercial backend development experience with C#/ .NET (6+), .NET Core/ ASP.NET Core;
• Solid understanding of microservices architecture and distributed systems;
• Experience with asynchronous communication and event-driven architectures;
• Experience with message brokers (Kafka or similar);
• Strong knowledge of relational databases (SQL, transactions, indexing, performance tuning), PostgreSQL will be a plus;
• Experience with ORM tools (e.g., Entity Framework);
• Experience writing Unit and Integration tests;
• Understanding of authentication and authorization (OAuth 2.0, OpenID Connect);
• Good understanding of software design principles (SOLID, separation of concerns, testability);
• Understanding of observability and monitoring in production systems;
• Experience troubleshooting performance and memory issues;
• Experience with AWS, Kubernetes, Terraform will be a plus;
• Experience with Grafana, Loki, Tempo will be a plus.

We appreciate if you have those personal features:

• Multitasking, quick task execution;
• Good team player;
• Responsibility.

We are seeking those who align with our core values:

• GROWE TOGETHER: Our team is our main asset. We work together and support each other to achieve our common goals;
• DRIVE RESULT OVER PROCESS: We set ambitious, clear, measurable goals in line with our strategy and driving Growe to success;
• BE READY FOR CHANGE: We see challenges as opportunities to grow and evolve. We adapt today to win tomorrow.