Developer

The role

We’re looking for a talented Developer with experience in Microsoft technologies to join our Engineering team.

This is an exciting opportunity to design, build and deliver high-quality software solutions that help our clients and support Energy Saving Trust’s mission to address the climate emergency. Working alongside experienced developers, architects and project teams, you’ll contribute throughout the software development lifecycle; from solution design and coding through to testing, deployment and continuous improvement.

You’ll have the opportunity to work on a variety of projects using modern Microsoft technologies including C#, ASP.NET, Azure, SQL Server and Azure DevOps, while helping shape technical solutions, improving system resilience and mentoring junior colleagues as your experience grows.

If you’re passionate about writing clean, scalable code, solving complex technical challenges and developing software that makes a real difference, we’d love to hear from you.

The team

Our Engineering team develop secure, reliable and innovative digital solutions that support both our clients and the wider organisation. We work collaboratively in multidisciplinary teams, sharing knowledge, encouraging continuous learning and supporting each other to deliver high-quality outcomes.

You’ll join a supportive environment where your ideas are valued, your development is encouraged and you’ll have opportunities to work with modern technologies while contributing to projects that create positive environmental impact.

What you will do

• Design, develop and deliver high-quality software solutions using Microsoft technologies including C#, ASP.NET, SQL Server and Azure.
• Contribute to solution architecture, technical design, code reviews, testing and quality assurance throughout the development lifecycle.
• Collaborate with clients, project teams and technical colleagues to deliver robust, scalable and secure applications.
• Help improve system performance, resilience and maintainability while contributing to continuous improvement initiatives.
• Coach and support junior developers and contribute to a collaborative engineering culture.

What you will bring

• Proven experience in a software development role, with the ability to demonstrate the skills and knowledge required for the position.
• Strong communication skills including technical liaison to engage non-technical stakeholders.
• Experience with the Microsoft platform development tools. Visual Studio, C#, LINQ, ASP.NET, Razor pages, .NET and .NET Framework , Web API, SQL Server, TSQL.
• Exposure and knowledge of client-based web technologies. JavaScript, JQuery, HTML, CSS.
• Knowledge of Microsoft Azure Dev ops and Azure hosting.
• Experience with recognised industry design patterns including MVC, MVVM, REST, Dependency Injection.

For more information, please see the job description

Please submit an anonymised CV and cover letter, removing your name, address, email address, and any other identifying details. Please note, applications submitted without a cover letter may be rejected.

Who we are

Energy Saving Trust is a leading and trusted organisation, dedicated to promoting energy efficiency, low carbon transport and sustainable energy use. We aim to address the climate emergency and deliver the wider benefits of clean energy as we transition to net zero.

At Energy Saving Trust we don’t just offer jobs – we offer careers. For our people, being part of the effort to address the climate emergency makes working for us truly meaningful and rewarding.

Work where you thrive

At Energy Saving Trust, flexibility isn’t just a policy, it’s how we work. Most of our roles can be done remotely, and many of our people choose to work from home full-time. Prefer an office environment? We have welcoming spaces in London, Edinburgh, Belfast, Cardiff and Hadleigh for those who want to connect in person.

We’ll support you with:

• Generous holiday (25 days + bank holidays + extra Christmas leave)
• True flexibility in how and where you work
• Strong pension & life assurance
• Enhanced family leave
• Green travel perks (EV scheme, cycle to work)
• Professional development support
• Yearly wellbeing allowance

These are just some of the benefits we offer.

Want to know more about how we make flexibility real? Check out our Benefits and Culture page

Reasonable adjustments: We want to ensure that our …