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# Lead Software Engineer

- **Company:** Understanding Recruitment
- **Location:** Greater London, UK
- **Experience:** Expert
- **Salary:** £120,000.0 - £130,000.0
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, Computing Platforms, Continuous Integration, DevOps, Distributed Systems, Java Virtual Machine (JVM), Next.js, ReactJS, Spring-boot, Kotlin, Front End Software Development, Microservices
- **Published:** August 18, 2026
- **Apply:** https://www.understandingrecruitment.com/job/lead-software-engineer-9182/

## About the Role

* Deep fullstack engineering experience; any Frontend & JVM backgrounds
 * 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?

## Description

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 Do

 * Design, 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 managers
 * Collaborate 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 methodologies

What They're Looking For

 * Deep fullstack engineering experience; any Frontend & JVM backgrounds
 * 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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