Lead Software Engineer

Lead Software Engineer (Full Stack Team - React.js/JVM)💰 £120,000 - £130,000 + bonus + excellent Benefits📍 Hybrid - 3 days onsite in Central London (Zone 1)Want to manage and lead a team that builds tech accelerating the move to clean, affordable energy?Enjoy being hands-on and thrive in fast-growing, product-led environments?🌍🌱Join a high-calibre engineering team building modern, customer-facing and energy-focused systems in one of the UK’s most exciting clean tech companies.As the Technical Lead, you will manage a small pod while remaining hands-on with day-to-day coding. You’ll spearhead the design, architecture and implementation of complex systems and features and work closely with cross-functional stakeholders to define technical requirements and translate them into clear, actionable plans. This opportunity is 70% hands-on and 30% people management and line manager responsibilities.What You’ll DoDesign, build and evolve platform architecture across distributed systems.Lead a small squad (technical leadership and people management)Contribute to fullstack design using Next.js (60%) and Kotlin (40%), supporting a polyglot mindset.Work directly with customers/stakeholders and product managersCollaborate across engineering to improve practices, tooling and system design.Grow and shape your team💻 Next.js, React.js, Kotlin (JVM), Springboot, Ktor, AI tooling, AWS, distributed systems, microservices, CI/CD, modern engineering practices and methodologiesWhat They're Looking ForDeep fullstack engineering experience; any Frontend & JVM backgroundsStrong systems thinker with a track record of architectural leadership.Experience scaling production systems in fast-moving product environments.Experience with leading, technical ownership and people managementWant to work on complex problems with real-world environmental impact?Apply now and help shape the future of clean energy at scale. 🚗🔌