Software Engineer (React) Central London - 4 days onsite £80,000-£100,000 (maybe scope for more) We’re looking for 1 engineering hire into an already established multi-million-pound turnover business. You’ll work directly with the founder to build React-focused solutions used by real customers, with genuine ownership from day one. You’ll also get the opportunity to work closely with one of the earliest contributors to OpenAI / ChatGPT, applying AI thinking to practical, revenue-driving products. The role Lead and own the development function Build React-based customer-facing solutions Take ideas from concept → production → market Be the technical decision-maker from day one This is a hands-on individual contributor role, with scope to build a team later. Who this suits Strong educational (or similar) background Strong React fundamentals Comfortable owning problems end-to-end Happy working closely with founders Keen to get stuck into AI and automation It would be a bonus if you understand monitorization The details Location: Central London (4 days in office) Salary: Circa £100,000 Interview process: 2 stages Geniune chance to build out a function If you’re looking for real ownership, serious responsibility, and exposure to top-tier AI minds, this is worth a conversation.