Team Lead .NET Developer

ELEKS Software Engineering and Development Office is looking for a Senior/ Team Lead .NET Developer in Poland. The project involves building a web portal for the automation of insurance processes in the Healthcare domain. ELEKS has collaborated with the client for over 5 years. The team consists of approximately 25 specialists located in Poland and Ukraine, with 8 development teams involved in the project (7 on the customer side and 1 on the ELEKS side). The ELEKS team focuses on developing new functionality and product enhancements.

• At least 5 years of commercial experience in software development
• Strong commercial experience with C#, .NET 8+, and modern development practices
• Experience with Entity Framework
• Strong knowledge of Microsoft SQL Server
• Experience with Microsoft Azure (Azure Service Bus)
• Experience developing RESTful APIs
• Knowledge of unit testing and xUnit
• Upper-Intermediate or higher level of English

Nice to have:

• Experience in Healthcare or Insurance domains
• Experience with AI-assisted development tools such as Windsurf

For Team Lead additionally:

• Experience leading or mentoring engineers
• Experience making technical decisions and driving implementation approaches
• Ability to coordinate development activities and support the team
• Experience taking ownership of technical solutions and delivery

• Develop and enhance new functionality for the platform
• Design and implement scalable backend services
• Participate in architecture and technical discussions
• Write clean, maintainable, and testable code
• Collaborate with distributed teams across the project
• Drive technical decisions and implementation strategy
• Mentor and support team members
• Ensure engineering best practices and code quality standards
• Participate in planning, estimation, and coordination activities
• Collaborate closely with stakeholders and other development teams