Senior/Lead .NET Developer

Eleks; Poland; On-site; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Close collaboration with customer

Challenging tasks

Influence project technologies

Team of professionals

Low-bureaucracy environment

Job summary

ELEKS is seeking a lead software engineer to build an advanced biotechnology platform. The role focuses on workflow validation using AI, real-time guidance for operators, and distributed system architecture design.

You will lead technical decisions, mentor engineers, and drive delivery milestones across cross-functional teams. The position requires strong .NET/C# experience, architectural expertise, and excellent English.

Qualifications

• 5+ years of experience with .NET / C#.
• Strong understanding of software architecture principles.
• Experience designing distributed systems and microservices.
• 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.

Responsibilities

• 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

Skills

Dotnet/C#

Software architecture

Distributed systems

Design patterns

Event-driven

TDD

CI/CD

SOLID/DI

English proficiency

Job description

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.

REQUIREMENTS

• 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

ADDITIONAL FOR LEAD

• 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

NICE TO HAVE

• 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

RESPONSIBILITIES

• 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

WHAT YOU WILL GET WITH ELEKS

• Close cooperation with a customer
• Challenging tasks
• Ability to influence project technologies
• Team of professionals
• Dynamic environment with low level of bureaucracy

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.