ELEKS Opportunities

ELEKS Software Engineering and Development Office is looking for a Senior/Lead .NET Developer in Ukraine, Poland, or Croatia. ABOUT PROJECT The project's main goal is to develop a sub-team to build an advanced biotechnology platform for next-generation patient therapies. The team's focus is on developing workflow validation capabilities that verify process correctness using AI and generate real-time guidance and instructions for operators.

5+ years of experience with .NET / C#

Strong understanding of software architecture principles

Experience designing distributed systems and microservice architectures

Strong knowledge of design patterns and modern development practices

Experience with event-driven and asynchronous programming

Experience with TDD and automated testing approaches

Experience with CI/CD pipelines

Strong understanding of Clean Code principles, SOLID, and Dependency Injection

Upper-Intermediate or Advanced level of English

8+ years of experience with .NET / C#

Proven leadership experience in software engineering teams

Ability to drive architectural and technical decisions

Strong stakeholder management and communication skills

Experience collaborating directly with customer architects and engineering leaders

Experience mentoring engineers and conducting technical reviews

Ability to refine complex project scopes and define software design approaches

Experience implementing AI SDLC practices and understanding AI Native development approaches

Functional Programming

Akka.NET or Actor Model frameworks

Reactive Programming (Rx, Streams)

DSL / Fluent Test DSL experience

OPC-UA

Live Unit Testing

Advanced architectural refactoring experience

Angular, React, Vue.js or modern JavaScript frameworks

Lead technical design, architecture, and implementation of the system

Drive the technical vision of the solution and define implementation approaches for new capabilities

Lead, mentor, and coordinate the development team

Take ownership of technical decisions and help define implementation strategy

Drive planning sessions and ensure delivery milestones are met

Collaborate with Business Analysts to translate business requirements into implementable solutions

Create technical specifications, architecture documentation, and implementation plans

Conduct architecture reviews, code reviews, and promote engineering best practices

Collaborate with stakeholders and engineering teams to identify and mitigate technical risks and dependencies

Support feature discovery and work effectively when requirements are still evolving