Senior.NET Developer

About the Position

ELEKS Software Engineering and Development Office is looking for a Senior/ Team Lead.NET Developer in Poland. We are building a web portal for the automation of insurance processes in the Healthcare domain.

ELEKS has been collaborating with the client for more than 5 years. Currently, it is one of the biggest accounts within the Business Unit. The team consists of approximately 25 specialists located in Poland and Ukraine.

There are currently 8 development teams involved in the project (7 on the customer side and 1 on the ELEKS side). The ELEKS team is primarily focused on developing new functionality and product enhancements.

Responsibilities

• 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

For Team Lead Additionally:

• 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

Requirements

• 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
• Experience working with Azure Service Bus
• Knowledge of unit testing and xUnit
• Upper-Intermediate or higher level of English

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

Nice to Have

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

We Offer

• Opportunity to work on a significant project in the Healthcare domain
• Collaboration with a large, experienced team
• Remote work from Poland

About the Company

ELEKS has been collaborating with the client for more than 5 years. Currently, it is one of the biggest accounts within the Business Unit. The team consists of approximately 25 specialists located in Poland and Ukraine.

There are currently 8 development teams involved in the project (7 on the customer side and 1 on the ELEKS side). The ELEKS team is primarily focused on developing new functionality and product enhancements.