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

WHAT YOU WILL GET WITH ELEKS

Close cooperation with a customer
Challenging tasks
Competence development
Team of professionals
Dynamic environment with low level of bureaucracy

ABOUT ELEKS

ELEKS is a custom software development company. We deliver value to our clients, thanks to our expertise and experience gained from working as a software innovation partner since 1991.

Our 2000+ professionals located in the Delivery Centers across Eastern Europe and sales offices in Europe and North America, provide our clients with a full range of software engineering services. These include product development, QA, R&D, design, technology consulting and dedicated teams.