WORKING FOR ENERGY SAVING TRUST

At Energy Saving Trust we don’t just offer jobs – we offer careers.
Our mission is to address the climate emergency, and being a part of this effort makes working for us meaningful and rewarding.

We’re a leading and trusted organisation, dedicated to promoting:

• energy efficiency
• low carbon transport
• sustainable energy use

We work with governments, businesses and individuals to deliver the wider benefits of clean energy as the UK transitions to net zero.
We’re committed to creating an engaging, supportive and inclusive workplace for everyone, and providing opportunities for development.
We’re always looking for committed people with a diverse set of skills and experiences to help us achieve our goal.

Our roles are either blended to one of our offices, or home-based. We’re happy to chat about flexible working and our blended working model with you at the interview stage. Our offices are located in:

• London
• Edinburgh
• Cardiff

• Belfast

WHAT YOU’LL BRING

• Strong technical background with demonstrable experience developing with Microsoft platform tools including Visual Studio, C#, .Net 4.8, .Net 6+, ASP.NET MVC, Web API, and SQL Server.
• Proven expertise in solution design and architecture, with the ability to make pragmatic technology choices and deliver scalable, maintainable systems.
• Excellent communication and stakeholder engagement skills, including the ability to translate complex technical concepts for non-technical audiences.
• A proactive, self-motivated approach with the ability to manage your own workload, contribute to team success, and mentor junior developers.
• Solid understanding of cloud platforms (Microsoft Azure), Agile methodologies, and secure development practices such as ISO 27001.
  For more information, please see job description: Job description-Developer- DC 1366
  Applications close 23.59, 30 June 2025. Interviews are intended to be held week commencing 7 July 2025.

TO AVOID DISAPPOINTMENT, YOU ARE ADVISED TO SUBMIT YOUR APPLICATION AS SOON AS POSSIBLE AS WE RESERVE THE RIGHT TO CLOSE THE VACANCY EARLY IF A HIGH VOLUME OF APPLICATIONS ARE RECEIVED. THIS IS TO ENSURE THAT WE CAN MANAGE APPLICATION LEVELS WHILST MAINTAINING A POSITIVE CANDIDATE EXPERIENCE. UNFORTUNATELY, ONCE A VACANCY HAS CLOSED, WE ARE UNABLE TO CONSIDER FURTHER APPLICATIONS.

. We will ask for your personal details, work history and a supporting statement. Applications submitted without a supporting statement will not be considered.
In your supporting statement please explain how you meet the essential areas in the job description. Applications submitted via email or without a supporting statement will not be considered.
Reasonable adjustments: If you think you may need additional support or reasonable adjustments made to any part of the recruitment process, please get in touch with recruitment@est.org.uk or call reception on +44 (0)20 7222 0101. We will do our very best to support you.
Flexible working: We offer a range of flexible working arrangements, including working from home, compressed or part-time hours, job shares and other arrangements. There is no need to justify your preferred working pattern and we encourage our people to work in whichever way helps them to perform at their best.
We will be happy to discuss this and our blended working model at the interview stage with you.
Please note, that we are unable to provide visa sponsorship for this post. To apply for this post, you must be able to demonstrate your eligibility to work in the UK.

WHAT YOU’LL DO

• Contribute to the design, architecture, and technical direction of software solutions, ensuring they are scalable and fit for purpose.
• Deliver clean, maintainable code while taking ownership of tasks and collaborating with cross-functional teams.
• Participate in code reviews and agile ceremonies to maintain high development standards and continuous improvement.
• Coach and mentor junior developers to support their growth and help embed good engineering practices.
• Improve system performance and stability, and contribute to technical strategy for future platform enhancements.

The role

• As a Software Developer in the Engineering team, you’ll work across the full software lifecycle—from solution design through to delivery, testing, and deployment. This permanent role offers an exciting opportunity to contribute to impactful projects that directly support Energy Saving Trust’s mission of helping people save energy and reduce carbon emissions.
• You’ll engage in solution architecture, technical decision-making, and hands-on coding while also supporting junior developers and maintaining close communication with project stakeholders.
• Your work will support national programmes and contribute to building platforms that help households, businesses, and communities transition to more sustainable energy practices. Success in this role means taking ownership of your code, contributing meaningfully to team practices, and helping deliver high-quality solutions that are robust, scalable, and aligned with strategic goals