Biotechnology, Middle+ .NET Developer, TSCM-42828

ELEKS Software Engineering and Development Office is looking for a Middle .NET Developer in Poland or Croatia. ABOUT PROJECT Our client, a leading German company in the biopharma industry, is developing a next-generation software orchestrator to manage the automated sample processing workflow. REQUIREMENTS

Solid C#/.NET, async/await, events, multithreading basics

Experience with TDD/TLD, unit testing principles, mocking, test isolation

Competence with xUnit, FluentAssertions, and CI-driven test automation

Clean code mindset, SOLID, DI, modular/hexagonal design concepts

Understanding of event-driven design and structured error handling

At least an Upper-Intermediate level of English

RESPONSIBILITIES

Implement and maintain features in C#/.NET using event-driven and async programming patterns

Develop code through TDD/TLD approaches - tests are a first-class deliverable

Create and maintain unit/integration tests using xUnit + FluentAssertions

Ensure safe concurrency (events, tasks, locking) and stable behavior under load

Participate in code reviews, architectural discussions, and contribute to continuous improvement

Collaborate closely within a cross-functional team and help stabilize complex logic flows