Salary: £60,000 - 70,000 per year Requirements: Strong commercial experience as a Senior .NET / C# Developer Proven experience building or integrating AI features in production Experience working with AI/ML services, APIs, or LLM platforms Solid understanding of software design principles and clean architecture Comfortable working in a product-led, agile environment Able to balance innovation with robustness and user impact Responsibilities: Design and develop high-quality software using C# / .NET Build and integrate AI features into an existing product ecosystem Work with AI services, models, or LLMs (build, consume, or integrate) Ensure AI functionality is secure, scalable, and maintainable Collaborate on architectural decisions and technical direction Review code, mentor colleagues, and contribute to engineering best practices Take ownership of features from idea through to production release Technologies: AI C# LLM ASP.NET More: We are a product-based software company behind a market-leading platform utilized across our industry. Our team has recently launched its first AI-powered feature and is investing in further AI-driven innovation. We are currently looking for a Senior Software Engineer (AI / .NET) to join us in a hybrid working model from our Newcastle office, collaborating closely with engineers, product teams, and stakeholders to create production-ready AI solutions. We offer a competitive salary, benefits, and the opportunity to work on a well-established product that is evolving with AI as a core aspect. last updated 18 week of 2026