Salary: £65,000 - 85,000 per year Requirements: Strong experience with C# / .NET development Solid understanding of software security principles and secure coding practices Experience with AI / Machine Learning frameworks and integrating them into applications Good knowledge of databases, API design, and cloud technologies Excellent problem-solving and communication skills (Desirable) Experience with DevOps practices (CI/CD pipelines) (Desirable) Familiarity with Azure or AWS cloud platforms (Desirable) Experience in enterprise or financial software environments Responsibilities: Design, develop, and maintain high-quality C# applications across our platform Work on AI-enabled solutions and integrate machine learning capabilities where relevant Ensure applications are secure by design and adhere to best practices in cybersecurity Collaborate with cross-functional teams including product, QA, and DevOps Participate in code reviews, mentoring junior developers, and promoting best practices Solve complex technical problems and contribute to the overall architecture strategy Technologies: AI API AWS Azure C# CI/CD Cloud DevOps Machine Learning Security ASP.NET More: We are an innovative technology company based in Warrington, dedicated to creating cutting-edge solutions that combine enterprise software, security, and AI capabilities. Our projects span multiple industries, and we pride ourselves on delivering robust, scalable applications while staying at the forefront of emerging technologies. As a Senior C# Developer in our growing team, you will work on exciting and challenging projects, with opportunities for personal growth and professional development, along with a competitive salary and benefits. last updated 13 week of 2026