Fullstack Developer (.NET + React)

We’re looking for an experienced Full-Stack Developer to build and evolve business applications using C#/.NET on the backend and React on the frontend. You’ll work closely with a cross-functional team (QA, Analysts, Product Owner) in an Agile/Scrum environment, contributing to both new development and improvements to existing (including legacy) codebases. Key responsibilities: • Develop software in C# based on functional and technical documentation • Build and maintain the frontend using React (18+) • Analyse and improve existing code, including legacy components • Contribute to solution design and architecture • Collaborate daily with developers, testers, analysts and the Product Owner in Scrum Requirements: • 5+ years of experience building applications with .NET / C# • 3+ years of experience building applications with React • Strong knowledge of C# (.NET Framework, .NET Standard, .NET Core/.NET) • React experience with modern versions (React 18+) • Practical skills in debugging, profiling and performance analysis • Understanding of DDD, Clean Code, SOLID • Knowledge of architectural patterns and asynchronous communication • Good command of T-SQL and SQL Server Management Studio (SSMS) • Experience working with Visual Studio Nice to have • Experience building views/UI for mobile applications • Background in projects for the financial sector • Test automation experience (e.g., Postman, Playwright) • Familiarity with WCAG accessibility standards