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November 3, 2026
Senior .NET Developer
Senior • Remote
Lublin, LU, Poland
Quick Facts
Role: Senior .NET Developer
Focus: Public-sector IT projects
Description
You will design, develop, and maintain C# and .NET Core applications, create solutions using EF Core, Dapper, and the CQRS pattern, and build and develop Web APIs. You will work with Microsoft SQL Server and Azure services (including Azure Cosmos DB), containerize applications with Docker, and collaborate on the frontend layer using Vue.js with WCAG 2.0 accessibility standards.
Responsibilities
Design, develop, and maintain C# and .NET Core applications
Implement solutions using EF Core, Dapper, and CQRS
Design and develop Web APIs
Work with relational databases (Microsoft SQL Server)
Develop solutions using Microsoft Azure services, including Azure Cosmos DB
Containerize applications using Docker
Collaborate on frontend development using Vue.js and WCAG 2.0
Requirements
Minimum 6 years of C# programming experience
Practical knowledge of .NET Core, Visual Studio, EF Core, Dapper, and CQRS
Good knowledge of Microsoft SQL Server and Web API creation principles
Minimum 1 year of experience creating Web APIs
Practical knowledge of Microsoft Azure services, including Azure Cosmos DB
Knowledge of MassTransit and Docker
Knowledge of Vue.js and WCAG 2.0
Microsoft Azure Data Engineer Associate (DP-203) or Microsoft Azure Developer Associate (DP-204) certification
Fluent Polish at least C1
Benefits
Non-salary benefits: Udemy for Business, private medical care, Multisport card, veterinary package, language lessons, shopping vouchers
Flexibility: flexible working hours and remote/hybrid options
Career development: access to training and certifications; collaboration with global IT partners (Microsoft, AWS, Snowflake, Salesforce)
Engaging community: team building events, hackathons, CSR initiatives
Company traditions: annual integration event in Mazury
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