Senior Full Stack Developer – .NET, C#, React

About the role

We are seeking a senior full‑stack developer with deep expertise in C#/.NET, React and modern cloud technologies. The role is contract‑based, primarily remote with occasional visits to London Bridge, and involves delivering scalable, high‑performance applications from concept to production.

Key responsibilities

• Design, develop and maintain full‑stack applications using .NET Core and React.
• Build and expose RESTful APIs that power front‑end functionality.
• Collaborate with technical and non‑technical stakeholders to gather requirements and provide technical guidance.
• Contribute to architectural decisions, micro‑service design and engineering best practices.
• Participate in code reviews, testing, CI/CD pipelines and deployment activities.
• Troubleshoot and resolve issues across the application stack.
• Mentor and support other developers as needed.

Required profile

• Strong commercial experience with C#/.NET and React.
• Proven ability to design and develop RESTful APIs.
• Solid understanding of software architecture, micro‑services and cloud platforms.
• Experience with Azure, Docker and modern DevOps practices.
• Excellent stakeholder management and communication skills.

Required skills

• .NET Core / ASP.NET Core
• C#
• React
• JavaScript / TypeScript
• HTML5 & CSS3
• REST APIs
• Microsoft Azure
• SQL Server
• Docker
• CI/CD pipelines
• Microservices