Full Stack Software Engineer – C#/.NET and AI

FULL STACK SOFTWARE ENGINEER £45,000 – £70,000 (dependent on level / experience) Nottingham – Hybrid (3 days on-site, 2 days from home) C# / .NET | Modern JavaScript | SQL Server & PostgreSQL | AI Tooling | Cloud daniel.massey@searchability.com THE ROLE We're hiring Full Stack Software Engineers at multiple levels to join an established, fast-growing software business that's embracing AI at pace across its products. This is a back-end-leaning full stack role (C#/.NET) building and shipping features into real products that businesses genuinely depend on — not greenfield throwaway projects. Just as importantly, you'll be someone who has already used AI tooling in a product-focused environment. That's central to how this team builds, and it's what will set the strongest applicants apart. With various levels on offer (£45k–£70k), there's genuine scope here whether you're a solid mid-level engineer or an experienced senior. ABOUT THE CLIENT An established, global software business delivering integrated ERP/SaaS solutions to companies across the distributive trades. Their products have been earning their keep for years and are relied on by everyone from small traders to multinational enterprises, with offices across several countries and steady growth behind them. They're now investing seriously in AI across both their products and their ways of working — so it's a genuinely interesting time to join and help shape what modern, AI-enabled software looks like inside long-lived, business-critical products. THE BENEFITS Hybrid working — 3 days on-site in Nottingham, 2 days from homeMultiple levels available (£45k–£70k) with real progression scopeHands-on with modern AI tooling in a live product environmentWork on established products with a genuine, loyal user baseA global, growing business with long-term stability behind itA build-and-learn culture that values shipping, honesty and knowledge-sharing THE FULL STACK SOFTWARE ENGINEER ROLE Build and ship features end-to-end across the stack, back-end leading in C#/.NETDevelop clean, modern front ends using contemporary JavaScriptWork across SQL Server and PostgreSQL databasesIntegrate and work alongside AI capability within established product codebasesWrite production-grade software — error handling, logging, monitoring and sensible fallbacksFit into existing patterns and pipelines, respecting the code and engineers already thereCollaborate with product managers and subject matter experts to properly understand the business problem, not just the technical taskPrototype quickly, harden properly, and know which corners can be cut and which can't ESSENTIAL SKILLS Strong commercial C#/.NET back-end developmentFull stack capability with modern JavaScript on the front endExperience with SQL Server and/or PostgreSQLHands-on experience using AI tools in a product-focused environment (essential)A track record of shipping working software into real products DESIRABLE Cloud experience (Azure, AWS or GCP)Experience building with or integrating large language models (prompts, context, structured outputs, evaluation)Familiarity with AI coding tools such as GitHub Copilot or CursorExperience modernising or extending established, long-lived systems