Lead Software Engineer (JVM/Kotlin)

Lead Software Engineer (Kotlin)

£110,000 - £130,000 + bonus + excellent Benefits

Hybrid - 3 days onsite in Central London (Zone 1)

Want to manage 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.

What You'll Do

• Design, build and evolve platform architecture across distributed systems.
• Lead a small squad (technical leadership and people management)
• Contribute to backend design using Kotlin (or JVM), supporting a polyglot mindset.
• Collaborate across engineering to improve practices, tooling, and system design.
• Grow and shape your team

Tech & Environment

• Kotlin (JVM), distributed systems, microservices, CI/CD
• Cloud-native platforms (AWS/GCP), modern engineering culture

What They're Looking For

• Deep JVM/backend experience; Kotlin a bonus, but not required.
• Strong 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 management

Want to work on complex problems with real-world environmental impact?

Apply now and help shape the future of clean energy at scale

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