Founder's Intern

Location:  London (In-person)

Start date: ASAP

End date: Flexible, but we require a minimum commitment of 6 weeks. Strong performance could lead to a full-time offer.

Buildings account for 34% of global CO₂ emissions, and in the UK alone, £3.8 billion is lost each year through energy-inefficient homes. Project Heat is developing systems to rapidly and efficiently decarbonise buildings at scale and accelerate the transition toward a sustainable future.

This isn’t a typical internship. We’re after candidates with curiosity, drive, and the desire to learn at a pace that matches the urgency of the climate crisis.

As a Founder’s Intern, you’ll get hands-on exposure to what it takes to build a startup from the ground up. You’ll work directly with our founders, learn how to solve real problems, and see first-hand how strategies are shaped and executed. If you’re passionate about climate and want an experience that will accelerate your career – or if you dream of launching your own company one day – this is the ideal opportunity.

What the job involves:

• Work closely with our founders - Shape strategies, identify growth opportunities, and foster customer relationships.
• A Swiss Army Knife - Help out wherever is necessary and most impactful to the business.
• Research new growth areas - Identify new markets, opportunities and ideas that can help us expand our impact.
• Customer growth - SEO optimisation, tweaking our website and coming up with new ideas to increase customer traffic.
• Execute our strategy - we scale impact by scaling volume. That means speaking to more customers, improving processes, and building momentum every single day.

Requirements

• You're extremely ambitious - A strong track record of exceptional performance.
• You move fast - Thrives in high-growth environments with evolving processes.
• You optimise everything - Constantly looking for ways to make things better and you use data to prove it.
• You think from first principles - A background in STEM helps, but we value any experience that shows structured, independent thinking.

Benefits

• Free On-site Gym
• Regular Company Socials
• 25 Days Holiday (excl. bank holidays and adjusted pro-rata)
• Travel Insurance
• Free Wellness Subscriptions (10 ClassPass credits per month, Headspace, Freeletics, Sleep Cycle, Uber One, Financial Times, The Athletic and Chess.com)

Our culture:

• Move fast - High energy, high performance, high standards.
• No passengers - Everyone pulls their weight.
• Founders' mentality - Everyone thinks like an owner.
• Mission obsessed - We're not here to build another startup. We're here to fix the planet.