Senior Software Developer (.NET/ AI)

We're working with a product‑based software company behind a market‑leading platform that's used at scale across its industry. The team has recently launched its first AI‑powered feature into production and is now investing further in AI‑driven innovation across the product. This is a key hire as AI becomes an increasingly important part of the product roadmap. Key Info: Location: Hybrid / Newcastle 2 days per week Level: Senior Type: Permanent As a Senior Software Engineer (AI / .NET), you'll play a hands‑on role in designing, building, and integrating AI‑powered functionality into a live, customer‑facing product. You'll work closely with engineers, product, and stakeholders to turn AI capability into real business value focusing on production‑ready solutions rather than proof‑of‑concepts. Key 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 releaseWhat We're Looking For 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 impactNice to Have Experience working on customer‑facing products Exposure to data pipelines, prompt engineering, or AI optimisation Interest in shaping how AI is adopted across a wider product suiteWhy Join? Work on a well‑established product with a strong market presence Be part of the journey as AI becomes a core part of the product Join a collaborative engineering team with real influence Competitive salary, benefits, and flexible working