Full-Stack Software Engineer

Full-Stack Software Engineer page is loaded## Full-Stack Software Engineerlocations : Windsortime type : Full timeposted on : Posted Todaytime left to apply : End Date : January 24, 2026 (10 days left to apply)job requisition id : R0079828

• Join us, be part of more.
• We’re so much more than an energy company. We’re a family of brands revolutionising how we power the planet. We're energisers. One team of 21,000 colleagues that's energising a greener, fairer future by creating an energy system that doesn’t rely on fossil fuels whilst living our powerful commitment to igniting positive change in our communities. Here, you can find more purpose, more passion, and more potential. That’s why working here is #MoreThanACareer. We do energy differently - we do it all. We make it, store it, move it, sell it, and mend it.
• About your team :
• At British Gas, our mission is to sell it and mend it. We’ve been powering the UK’s homes and businesses for over 200 years – but supplying energy is just part of what we do. We’re making the UK greener and more energy efficient, getting closer to Net Zero. By using clever tech like thermostats, heat pumps, solar panels and EV chargers, we’re making it cheaper and easier for our customers to reduce their carbon-footprint.
• An opportunity to play your part
• – We’re on the lookout for a talented Full-Stack Software Engineer to join British Gas Services & Solutions and help shape the future of energy technology. In this role, you’ll be at the heart of designing, developing, and delivering innovative software solutions that span both frontend and backend systems. You’ll collaborate with an incredible mix of scientists, researchers, technicians, and fellow engineers to create secure, scalable, and cloud-native applications that power our digital energy ecosystem. If you’re passionate about building technology that makes a real impact, this is your chance to be part of something transformative.
• Location
• : UK-based hybrid role, Weekly travel to site.
• The Day to Day :
• Craft responsive, intuitive frontend interfaces using modern frameworks like React or Angular.
• Build robust, scalable applications with languages such as Python and Java.
• Design and consume APIs using gRPC, GraphQL, and REST.
• Architect and deploy cloud-native solutions on AWS or Azure, leveraging services for compute, storage, and security.
• Contribute to system design that aligns with best practices and business goals.
• Work alongside scientists, researchers, and technicians to turn complex requirements into practical solutions.
• Mentor graduate engineers and champion engineering excellence.
• Thrive in an Agile environment, collaborating with cross-functional teams to deliver high-quality features.
• Perform code reviews and ensure adherence to standards.
• Explore and apply skills in 2D and 3D web graphics for interactive visualisations and advanced UI experiences.
• What we need from you :
• Experience with modern frontend frameworks like React or Angular.
• Strong backend development skills in Python and / or Java.
• Ability to design and consume APIs (gRPC, REST, GraphQL).
• Hands-on experience with AWS or Azure and cloud-native architectures.
• Skilled in designing secure, scalable, and maintainable systems.
• Familiarity with automated testing and DevOps tools (Git, GitHub, Terraform, Pulumi).
• Interest or experience in 2D / 3D web graphics.
• Bonus : Knowledge of real-time data, big data tools (Kafka, Spark), Agile practices, AI / ML, and IoT.
• Degree in Computer Science, Engineering, or equivalent experience.
• Enjoy a generous market salary, along with fantastic growth opportunities and a vibrant work environment!
• Power up your pay with a 15% Employee Energy Allowance, surpassing the government's price cap!
• Secure your future with our comprehensive pension plan, designed for peace of mind.
• Elevate your health with our fully-funded company healthcare plan, prioritizing your well-being.
• Recharge with a generous 25-day holiday allowance, plus public holidays, and even purchase up to 5 extra days for extended relaxation!
• Experience unparalleled work-life balance with an exceptional selection of flexible benefits, from tech treats and eco-friendly car leases to travel insurance for your adventures! We’re not a perfect place – but we’re a people place. Our priority is supporting all of the different realities our people face. Life is about so much more than work. We get it. That’s why we’ve designed our total rewards to give you the flexibility to choose what you need, when you need it, making sure that you and your family are supported not only financially, but physically and emotionally too. Visit the link below to discover why we’re a great place to work and what being part of more means for you. If you're full of energy, fired up about sustainability, and ready to craft not only a better tomorrow, but a better you, then come and find your purpose in a team where your voice matters, your growth is non-negotiable, and your ambitions are our priority.Help us, help you. We would love for you to share any information about yourself throughout our recruitment process so that we can better understand you and help shape your journey.We’re a family of brands revolutionising how we power the planet. When it comes to energy, no one does it like us. We make it, store it, move it, sell it and mend it. We’re made up of 12 different businesses, but united by our purpose as Centrica. We’re energisers. Our journey to a greener, fairer future is powered by individuals like you.### We’re powered by purposeThrough innovative green products, intelligent energy solutions and developing smarter ways to use and save energy, we’re not just part of the energy transition, we’re leading it. Our commitment goes beyond sustainability. Together we’re bringing our collective energies to create positive change in our local communities. If you immerse yourself in our fight to change tomorrow, you might just find your why.We’re looking for people to add to our culture – not fit in with it. We're building a community where you can be unapologetically you, where differences are celebrated, and where everyone can belong. Real inclusivity also means supporting the different realities our people face. That’s why we have the UK’s best Carers Policy and are continually building our approach to flexibility and wellbeing. Of course, we love having fun too. We’re a people place after all.

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