Full Stack .NET Developer

About the role

Fuku is seeking a strong Full Stack .NET Developer to build and support scalable, secure and high-quality enterprise applications. The ideal candidate has deep backend expertise in C# and .NET (Core / .NET 6+) and modern frontend skills in React (TypeScript), with a keen eye for UI/UX. Experience in complex, regulated environments such as banking is highly valued.

Key responsibilities

• Design, develop and deliver end-to-end solutions using C#.NET Core/.NET 6+ and React (TypeScript, RxJS, routing, hooks, context, suspense).
• Build secure, robust ASP.NET Core Web APIs, including middleware, dependency injection, configuration and logging.
• Translate business and system requirements into scalable, stable and fit-for-purpose technical solutions.
• Analyse and resolve complex legacy defects and production incidents calmly.
• Ensure adherence to standards for code quality, performance and security.
• Contribute across the SDLC: analysis, design, coding, testing, deployment and support.
• Work in Agile teams (Scrum/SAFe), applying TDD and CI best practices.
• Partner with stakeholders across technology and business, communicating clearly to non-technical audiences.
• Drive continuous improvement in architecture, testing, observability and developer experience.

Required profile

• Proficiency in C# and .NET Core / .NET 6+.
• Experience building Web APIs with ASP.NET Core.
• Strong React (TypeScript) skills; familiarity with RxJS and Suspense is a plus.
• Solid computer science fundamentals, including algorithms, data structures and OOP.
• Experience with TDD and writing unit, integration and acceptance tests.
• Basic knowledge of Linux shell commands.
• Experience with relational databases (SQL, joins, indexes, triggers, query optimisation) and REST web services.
• Excellent communication, organisation and collaboration skills; calm under pressure.
• Experience in regulated domains such as banking or FinTech is an advantage.

Required skills

• Git and code quality tools such as SonarQube / SonarLint.
• Tooling such as Visual Studio / JetBrains Rider, VS Code and Chrome DevTools.