Senior Full-Stack .NET + React Developer

We’re looking for a Senior Full-Stack Developer to join a project supporting business operations across the UK and US . The initial focus will be on production support and ongoing product improvements — investigating and fixing defects, handling requests raised by business users, and implementing enhancements. The engineer will communicate directly with the client’s business and technical teams, so strong English and good communication skills are important . Tech stack: C# / .NET React AWS Twilio Flex (nice to have) What we’re looking for: Strong commercial experience with .NET and React Experience working with AWS Experience with production support, troubleshooting and bug fixing Ability to communicate directly with English-speaking business users English — Upper-Intermediate or higher Independent and comfortable taking ownership of tasks Experience with AI-assisted development tools such as Cursor, GitHub Copilot, Claude Code or similar would be a strong plus