Full Stack Engineer | C#, .NET, TypeScript, React

Full Stack Software EngineerSaaS | Early-Stage Start-Up | Experienced Founders | C# | .NET | TypeScript | React | Azure | AII’m hiring a Full Stack Software Engineer. This is a rare opportunity to work directly with proven founders on an early-stage product with huge potential. They're rebuilding the infrastructure of a legacy industry from the ground up - no silos, no red tape. Whilst technical skill sets are important, we are more focused on attitude so we are open to Mid - Snr level engineers.📍 Location: London🕐 Working Policy: Onsite full-time - it's early stage, and the team gets massive value from in-person collaboration💰 Salary: £75,000 - £120,000 (depending on experience) + meaningful equity - it's a brilliant time to join. We are looking for strong Mid - Senior level engineers.🛠 Tech: C#, .NET, TypeScript, React, Azure, AI Tooling🧭 Interview Process: 3 stages. We keep things fast, focused, and respectful of your time.You'll be a Full Stack Software Engineer in a small, fast-paced team, working across frontend and backend to ship real features using C#, .NET, React, and Azure. You must be confident across the stack - this role offers real autonomy and end-to-end ownership. They use AI in their daily workflows and in the product itself.This isn’t just an engineering role. You’ll be actively involved in commercial decisions, product strategy, and user conversations - not just handed tickets.We’re looking for:Mid–Senior Full Stack Software Engineers — while we don’t fixate on years, 2+ years' experience is typically what we'd expect. We need engineers to hit the ground running.Strong across C#, .NET, and ReactPassionate about building great products users actually love. Experience in FinTech or B2B SaaS would be highly advantageous but by no means an essential.Experience building 0 - 1 - this is key.Experience using AI tools.Excited by early-stage, in-office startup lifeHungry to build something with lasting impactYou’ll work closely with founders, shaping both product and business from the inside. If you're a Full Stack Software Engineer who wants real ownership, fast learning, and to build with C#, .NET, React, and Azure - apply now.