You will lead the technical development of an end-to-end operating system designed to decarbonize home energy. Balancing hands-on high-leverage coding with technical strategy, you will mentor engineers and solve complex real-world problems involving geospatial analysis and hardware integrations to accelerate the UK’s transition to clean, green renewable energy systems.
Back to all jobs
Find a job withJack
This job is no longer actively hiring. Open Roles to see active jobs.
Bristol and London, United Kingdom£85k–120k + Equity
Lead Full Stack Engineer at VC-backed greentech SaaS
Are you ready to lead the technical charge in the UK's green energy transition? This well-funded startup is building the essential operating system for home renewables, helping installers move faster and smarter to reach net zero. As a Lead Engineer, you will tackle complex challenges like heat loss modeling and LiDAR tooling while mentoring a high-performance team. With top-tier VC backing, a meaningful equity stake, and a culture that values impact over ego, this is a rare opportunity to do the best work of your career on a mission that truly matters.
Overview
Role overview
Company
About the company
VC-backed greentech SaaS platform
Responsibilities
What you will do
- Own the technical architecture and strategy for core domains and cross-cutting product solutions.
- Write foundational, high-leverage code and proactively identify scaling risks or technical debt.
- Mentor senior engineers to develop technical leadership skills while improving overall team health and processes.
Candidate profile
Who this is a fit for
- Extensive experience with modern TypeScript, Node.js, React, and relational database modeling.
- Proven ability to solve ambiguous, real-world problems beyond standard CRUD applications.
- Strong product-mindedness with the ability to balance technical quality against rapid shipping momentum.
What makes it remarkable
Why this role is remarkable
- Solve tangible climate problems by building the digital infrastructure for the home energy transition.
- Join a fast-growing startup backed by top-tier VCs with a proven record of exponential growth.
- Enjoy a high-trust culture with significant equity and the ability to work from abroad annually.
Jack & Jill
How Jack & Jill work together
I get to know what you’re great at, then find roles you’d never find yourself.Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.
I recruit from Jack’s network and make the intro when I spot a great match.And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.
Meet Jack
Jack gets to know what you're great at and what you want next, then searches 14 million jobs daily and introduces you directly to hiring managers.
How does this work?
Jack's an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack's network.
If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.
Jack