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September 12, 2026

.Net Senior Developer

Senior • Remote

Warsaw, Poland

We are looking for an experienced .Net developer for a project in the insurance domain who can design and develop complex software systems from scratch, design project-wide technical solutions, and establish and control the best development practices.Requirements:Minimum 3 years of experience programming in C# / .NET.Very good knowledge of .NET 8+ / ASP.NET Core.Experience with cloud platforms (AWS, GCP, Azure); Azure will be a big plus.Experience building web applications with Blazor.Very good knowledge of MSSQL and SQL, including query optimization and stored procedures.Familiarity with xUnit and Moq, and practical experience writing unit tests.Knowledge of OOP, SOLID and design patterns.Ability to analyze requirements and collaborate with the business.Independence, analytical thinking, and good work organization.Strong communication skills and ability to work well in a team.English proficiency sufficient to work with technical documentation.Nice to have:Understanding of CI/CD processes; Azure DevOps / GitHub ActionsUnderstanding of IaC; bicepExperience in AI Assisted development (e.g. Claude Code, Codex)We offer:Projects for such clients as PayPal, Wargaming, Xerox, Philips, Adidas and ToyotaCompetitive compensation that depends on your qualification and skillsCareer development system with clear skill qualificationsFlexible working hours aligned to your scheduleOptions to work remotely

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