Description
Type: Full-time
Reports to: Co-founder, CEO
What We Do
At Heat Geek, we are tackling one of the UK’s biggest carbon contributors: home heating. 20% of all UK carbon emissions stems from home heating – and that contribution is even bigger on a global scale. At Heat Geek, we are changing that. By simplifying a traditionally complex industry and revolutionising the technology used by installers, we’re making low-carbon heating mainstream. As of July 2026 we have prevented 2,600,000 tonnes of carbon from entering our atmosphere, and we're not stopping there!
Join Us!
People are at the core of who we are and what we do. From decreasing homeowners’ energy bills to help with the cost of living, to empowering talented heating engineers to perform outstanding installations, to ensuring a greener world for all of us, we believe in the power of what we can all do together. – And we need passionate, talented, hard working people to be a part of this journey.
Your Mission
Our Heat Geek community is excited to bring a Fullstack Software Developer into the team — a role that’s critical to how we grow and scale our platform.
This is your chance to own meaningful product areas end-to-end, working across frontend, backend, and infrastructure to ship software that actually runs, actually helps users, and actually makes an impact. If you love the idea of steering real product decisions, getting stuck into code, and balancing technical quality with commercial pragmatism, this role is for you.
If you’re reading this and it resonates, we know you could do this job anywhere — but we want you to do it HERE, with us, because we need persevering teammates who care deeply about making a real difference in the world.
Role Outputs
- Own and support features and systems end-to-end, from discovery through to production and iteration
- Build, maintain, and improve production-ready frontend and backend systems
- Work hands-on in the codebase — this is a coding-first role
- Collaborate closely with the existing Product and Tech teams to solve real user problems
- Quickly pick up new concepts, technologies, and domain knowledge when needed
- Contribute to technical direction and raise the quality bar of the entire team’s output through example, not ceremony
- Help ensure the platform runs, scales, and supports Heat Geek’s mission as we grow
Candidate Requirements
- Mid-level experience as a fullstack software engineer, with strong hands-on coding ability, particularly in Python
- Proven ability to ship and maintain production software
- Demonstrated pragmatism — you have a strong sense of when to refactor, when to ship, and when to leave things alone
- Quick learner who can pick up new concepts and technologies efficiently
- Strong ownership mindset — you don’t wait to be told what to fix
- Clear communication skills and collaboration mentality
It’s a bonus if you have…
- Experience with Django
- Real comfort across the full stack, happily spending time in both the frontend and backend
- Experience with cloud / infrastructure, ideally GCP
- Industry experience in renewable energy, heat pumps, utilities, or construction
- Been in product-focused engineering environments
- Worked in a startup or scale-up environment
We believe great teams are built from different ways of thinking, learning, and living, and as such, we strive to build an organisation where people can show up as themselves. – Even if you don’t tick every box listed above, but are passionate about the work that we are doing and believe that you can make a positive impact here, we’d love to hear from you. So please drop us a message or share more detail in your application!
Ways of Working + Benefits
This is a 3-day-in-the-office hybrid role where you will work with the team at our office in Sustainable Ventures in Waterloo, Europe's biggest climate tech hub. It's a 5-minute walk from Waterloo Station and an energising space for anyone working on climate change. And don’t get us started on the epic view!
Some of our measurable benefits include:
- £5,000 contribution towards your own heat pump installation
- Shares in the company, allocated under a tax-incentivised scheme
- Salary that’s evaluated regularly, and based on skills, impact, and role scope—not negotiation tactics
- Private medical & dental insurance
- Learning and development budget
- Annual summer retreat
- Gym membership contribution
- Season train ticket loan
- Cycle to work scheme
- Annual retreat with the whole Heat Geek team
- Yoga, run club and social events with other sustainability startups in our co-working space
…alongside monthly socials and regular collaboration opportunities with a team that’s passionate, hardworking, and kind.
Similar jobs
Est. 85,000 GBP
Type: Full-time Reports to: Chief Operating Officer What We Do At Heat Geek, we are tackling one of the UK’s biggest carbon contributors: home heating. Nearly 20% of all UK carbon emissions stems from home heating – and…
Est. 35,000 GBP
Location: Hybrid (London) Type: Full-time Team: Operations, Planning & Supply Chain Reports to: Senior Operations Manager ************************************************************ What We Do At Heat Geek, we are t…
Est. 80,000 GBP
Type: Full-time Reports to: COO What We Do At Heat Geek, we are tackling one of the UK’s biggest carbon contributors: home heating. Nearly 20% of all UK carbon emissions stems from home heating – and that contribution is…
Est. 120,000 EUR
About Staffbase We inspire people to achieve great things together. Our mission is to help organizations unlock the power of inspirational communication with the first AI-native Employee Experience Platform. Our industry…
Est. 120,000 EUR
About Staffbase We inspire people to achieve great things together. Our mission is to help organizations unlock the power of inspirational communication with the first AI-native Employee Experience Platform. Our industry…
Est. 120,000 EUR
About Staffbase We inspire people to achieve great things together. Our mission is to help organizations unlock the power of inspirational communication with the first AI-native Employee Experience Platform. Our industry…
Est. 85,000 GBP
About us PhysicsX is a deep-tech company with roots in numerical physics and Formula One, dedicated to accelerating hardware innovation at the speed of software. We are building an AI-driven simulation software stack for…
Est. 85,000 GBP
At Too Good To Go, we have an ambitious mission: to inspire and empower everyone to fight food waste together.More than 1/3 of all food produced in the world is wasted. And that has a huge impact on the health of our pla…
Est. 120,000 GBP
At Too Good To Go, we have an ambitious mission: to inspire and empower everyone to fight food waste together.More than 1/3 of all food produced in the world is wasted. And that has a huge impact on the health of our pla…
Est. 120,000 EUR
HelloFresh Group is the world's leading integrated food solutions provider, with a global portfolio of brands spanning meal kits, ready-to-eat meals, and specialty products. From our Berlin headquarters, we build and run…
Est. 60,000 GBP
About us PhysicsX is a deep-tech company with roots in numerical physics and Formula One, dedicated to accelerating hardware innovation at the speed of software. We are building an AI-driven simulation software stack for…
Est. 54,000 EUR
About the job We are looking for a Software Engineer to join the Kapacity.io team at EnergyHub! Our team, made up of YC alumni (S21) and elite product and software talent, builds some of the most advanced flexibility sol…
Est. 80,000 GBP
About us PhysicsX is a deep-tech company with roots in numerical physics and Formula One, dedicated to accelerating hardware innovation at the speed of software. We are building an AI-driven simulation software stack for…
Est. 90,000 EUR
About Staffbase We inspire people to achieve great things together. Our mission is to help organizations unlock the power of inspirational communication with the first AI-native Employee Experience Platform. Our industry…
Est. 120,000 EUR
About Staffbase We inspire people to achieve great things together. Our mission is to help organizations unlock the power of inspirational communication with the first AI-native Employee Experience Platform. Our industry…
Est. 204,000 USD
Electric Hydrogen’s mission is to make molecules to decarbonize our world! Our outstanding people are our most important asset and will allow us to deliver hydrogen from renewable electrolysis for heavy industry, at pric…
Est. 120,000 GBP
About us PhysicsX is a deep-tech company with roots in numerical physics and Formula One, dedicated to accelerating hardware innovation at the speed of software. We are building an AI-driven simulation software stack for…
Est. 80,000 GBP
About us PhysicsX is a deep-tech company with roots in numerical physics and Formula One, dedicated to accelerating hardware innovation at the speed of software. We are building an AI-driven simulation software stack for…
Est. 177,500 USD
About the Company We are a renewable energy and ocean technology company committed to rapidly developing and deploying technologies that will ensure a sustainable future for Earth by unlocking the vast energy potential o…
Est. 120,000 EUR
About Staffbase We inspire people to achieve great things together. Our mission is to help organizations unlock the power of inspirational communication with the first AI-native Employee Experience Platform. Our industry…
Est. 90,000 EUR
About Staffbase We inspire people to achieve great things together. Our mission is to help organizations unlock the power of inspirational communication with the first AI-native Employee Experience Platform. Our industry…
Est. 124,000 USD
About Netcraft Netcraft is the global leader in cybercrime detection and disruption. We’re a trusted partner for three of the four largest companies in the world and many large governments. We've blocked over 225 million…
Est. 90,000 EUR
About Staffbase We inspire people to achieve great things together. Our mission is to help organizations unlock the power of inspirational communication with the first AI-native Employee Experience Platform. Our industry…
Est. 90,000 GBP
About us PhysicsX is a deep-tech company with roots in numerical physics and Formula One, dedicated to accelerating hardware innovation at the speed of software. We are building an AI-driven simulation software stack for…
Est. 95,000 GBP
About us PhysicsX is a deep-tech company with roots in numerical physics and Formula One, dedicated to accelerating hardware innovation at the speed of software. We are building an AI-driven simulation software stack for…
Est. 120,000 EUR
About Staffbase We inspire people to achieve great things together. Our mission is to help organizations unlock the power of inspirational communication with the first AI-native Employee Experience Platform. Our industry…
Est. 200,000 USD
About us PhysicsX is a deep-tech company with roots in numerical physics and Formula One, dedicated to accelerating hardware innovation at the speed of software. We are building an AI-driven simulation software stack for…
Est. 85,000 USD
ThermalWorks LLC has an exciting opportunity for an IT Support Engineer to join our team. This role serves as the first point of contact for technical assistance across our corporate offices and data center environments,…
Est. 138,935 GBP
What We’re Building Honeycomb is a service for the near and present future, defining observability and raising expectations of what developer tools can do! We’re working with well known companies like HelloFresh, Slack,…
Est. 120,000 GBP
We’re Capital on Tap 👋💳 Capital on Tap started because small businesses were underserved. Big banks were slow, their products weren't fit for purpose, and small business owners often couldn't access what they needed. W…