Senior Software Engineer (.NET)

• 5+ years of commercial experience with C# and .NET
• Strong knowledge of ASP.NET Core and modern . NET applications
• Experience with asynchronous programming and dependency injection
• Hands-on experience with Entity Framework Core
• Good understanding of SQL Server, query optimization, and database performance
• Experience with OAuth2, OpenID Connect, JWT
• Experience supporting and troubleshooting production systems
• Fluent English communication skills

Nice to have

• Experience with IdentityServer / Duende IdentityServer
• Understanding of Active Directory, Azure AD or Microsoft Graph
• Hands-on experience with Quartz.NET or similar scheduling frameworks
• Familiarity with SignalR, Playwright, Azure DevOps and CI/CD pipelines

We are looking for an experienced Senior Software Engineer to develop and maintain a complex enterprise .NET platform used by global organizations. This role combines backend development , production troubleshooting , performance optimization , and work on identity-related systems .

,[Design, develop, and maintain backend services built with C# and .NET, Investigate and resolve complex production issues and customer-reported problems, Optimize application performance, database queries, and system reliability, Collaborate with Product, Support, and Engineering teams on technical solutions, Improve architecture, code quality, and engineering standards, Participate in technical discussions and contribute to future platform development] Requirements: PHP, .NET, C#, Entity Framework, SQL, Communication skills, Azure AD, SignalR, Azure, DevOps, CD pipelines Additionally: Private healthcare, Life insurance, Sharing the costs of sports activities, Work on a mature enterprise product used globally, Influence technical decisions and platform evoluti, Opportunity to work with modern .NET technologies.