Lead Developer - Step Into Engineering Management (CTO-Level Growth Ahead) £75,000 to £100,000 + Bonus (-10%) Hybrid: 1 to 2 Days Onsite (Oxfordshire Area) Must Be CommutableWe are working with a rapidly growing technology business in the energy sector, scaling at 40% year on year and about to onboard several major new clients. They are now looking for a Lead Developer who wants to step into genuine engineering leadership, with a clear path into Software Engineering Manager and longer-term CTO-level responsibility as the business evolves.The company was originally spun out of a well-known energy organisation by two highly skilled senior developers who have successfully launched multiple businesses. As they step back from day-to-day leadership over the next 12 months, this role will become the central technical leadership position in the organisation. The Opportunity This role has two phases: Phase 1: Lead Developer (Now) Lead development across a modern, serverless cloud stack (AWS, Python, React, SQL). Work closely with the senior developers while contributing hands-on. Take ownership of development standards, technical decision-making and tooling. Support agile delivery within small, self-managing teams. Phase 2: Engineering Manager/Future Technical Leader Grow, mentor and manage multiple development teams (approx. 3 teams of 3). Coach junior developers and guide technical career paths. Shape the engineering culture, best-practice processes and delivery frameworks. Take