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Lead Full Stack Engineer at Spruce (London/Bristol, UK)
Salary: £85,000 - £120,000 + equity
Hybrid
Spruce is building the operating system for heat pump installation businesses across the UK. They are VC-backed and were founded in early 2024.
About the Role
The UK needs to install 600,000 heat pumps a year to hit net zero by 2050 — right now they're at ~100,000. Spruce is building the software to close that gap, supporting 500+ installers and growing fast.
The problems are genuinely interesting:
- 2D floor-plan geometry and drawing tools
- Offline-first PWAs with sync conflict resolution
- Cross-company job sharing with RBAC permissions
- Underfloor heating physics and hydronics calculations
- LiDAR integration
- Solar and battery systems
Stack: TypeScript, React, Node.js, PostgreSQL/PostGIS, Prisma, Docker, Konva, Tailwind.
Responsibilities
- Own slices of architecture and technical strategy
- Write high-leverage code on critical paths
- Mentor a growing engineering team
- Spend most of your time hands-on
Requirements
- Strong in TypeScript across the full stack
- Product-minded
- Desire for real ownership over what you build
Benefits
- 33 days holiday
- 30 days/year working abroad
- Hybrid (2 days/week in office)
- Nursery benefits
Apply
Apply: nick@spruce.eco