Full Stack Developer

Rendesco is the UK's leading heat pump and heat network business. We design, build, fund, own and operate heat networks and heat pump systems that help to decarbonise our homes. Our unique low cost and low carbon solutions enable new-build developers, social housing providers and homeowners to move away from gas quickly, affordably and at scale.

We're at an inflection point. The market is moving decisively towards low carbon heating, and we have the capital, technology and track record to lead this transition. We’re now looking for talented people to help us build the future of low carbon energy.

Location: London, Hybrid, Remote.

Responsibilities

You’ll work across frontend and backend development, building modern web and mobile applications and APIs, while working with technologies including Python, FastAPI, React, TypeScript and PostgreSQL.

We’re looking for someone with commercial software development experience who enjoys solving problems, collaborating with others and learning new technologies. You’ll have the opportunity to take ownership of projects, influence technical decisions and work with innovative green technology. Your work may include:

• Develop and deliver modern web and mobile applications.
• Build and maintain backend services, APIs and databases.
• Work across the full software development lifecycle, from concept through to release.
• Collaborate with product, engineering and wider business teams to deliver customer-focused solutions.
• Write automated tests and maintain high-quality, reliable software.
• Help shape system architecture and technical direction.
• Integrate software with hardware, metering and heat pump systems.
• Contribute to solving complex technical challenges within the clean energy sector.

Requirements

• Commercial experience as a Software Developer / Full Stack Developer.
• Strong experience with Python and/or modern frontend technologies such as React and TypeScript.
• Experience developing APIs, databases and web applications.
• Strong problem-solving and analytical skills.
• Good understanding of software testing and development best practices.
• Ability to work collaboratively within a small, fast-paced technical team.
• A product-focused mindset, with an understanding of customer needs.
• Strong communication skills and the ability to work with both technical and non-technical stakeholders.
• A willingness to learn new technologies and develop your full-stack expertise.
• A degree in a STEM-related subject or equivalent experience is desirable

Benefits

• Full time position, salary depending on experience.
• 25 days holidays plus bank holidays.
• Private Medical Insurance after successful completion of probationary period.
• Salary sacrifice cycle-to-work and electric vehicle schemes.
• £50 quarterly allowance to put towards a team social, a personal voucher, or another reward of your choice.
• A collaborative and inclusive working environment, with a programme of company social events and celebrations throughout the year.
• £30 monthly phone allowance, giving you the flexibility to choose the device and plan that best suits you for work purposes.

Be the change.

If you're ready to start your career in clean technology and help us build a cleaner, smarter and more secure future, we'd love to hear from you.

At Rendesco, we're committed to creating an inclusive workplace. As a Disability Confident and equal opportunities employer, we welcome applications from all backgrounds.