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Octopus Energy started with a bold idea: to build Britain's first truly digital energy supplier.
By combining world-class tech with brilliant humans who care deeply about customers and driving the renewable energy transition, we made it happen and earlier this year, we became Britain's largest energy supplier.
Now, we're scaling fast and building the next generation of products to accelerate the green energy transition. From making it effortless to switch to heat pumps, solar and EVs, to launching smart tariffs and creating renewable generation at scale, we're solving some of the most complex challenges in energy with speed, creativity and customer obsession. We're also enabling our global businesses to reach the full capability of what we've achieved in the UK, taking the learnings, products and experiences that customers love here and rolling them out worldwide.
At Octopus Tech, you'll have real ownership, variety, and the chance to shape products that make a tangible difference in people's lives – lowering bills, enabling greener living, and delivering experiences customers genuinely love. You'll work side by side with teams across marketing, operations, and data, and see the impact of your work in the real world, fast.
If this sounds exciting, we'd love to chat.
What will you be doing?
We are looking for a Backend Engineer II to join our Global Backend team at OE Engineering.
The Global Backend team are the powerhouse behind our mission to build the future of energy tech, working on a new backend codebase to be used by all our global Octopus Energy teams.
You'll help migrate and maintain the systems that power flagship features like Saving Sessions and Octoplus, as well as working cross-functionally with other teams to develop features with scalability in mind - shaping the future of low-carbon living, from heat pumps to EV chargers to solar panels.
This is an opportunity to focus on ambitious, high-impact work that's driving the global shift to clean, smart energy.
What you'll have...Plus experience in the following would be a bonus:
We would prefer someone who can work in our London office but will consider remote candidates. However, you do need to be able to work in the UK.
Our process usually takes up to 4 weeks, but we’ll always do our best to flex around what works for you. Along the way, you’ll chat with our recruitment team and your Recruiter will help you throughout different stages. Got any burning questions before then? Drop us a message at
talent@octoenergy.comand we’d love to help!If this sounds like you then we'd love to hear from you.🚀
Are you ready for a career with us? We want to ensure you have all the tools and environment you need to unleash your potential. Need any specific accommodations? Whether you require specific accommodations or have a unique preference, let us know, and we'll do what we can to customise your interview process for comfort and maximum magic!
Studies have shown that some groups of people, like women, are less likely to apply to a role unless they meet 100% of the job requirements. Whoever you are, if you like one of our jobs, we encourage you to apply as you might just be the candidate we hire. Across Octopus, we're looking for genuinely decent people who are honest and empathetic. Our people are our strongest asset and the unique skills and perspectives people bring to the team are the driving force of our success. As an equal opportunity employer, we do not discriminate on the basis of any protected attribute. Our commitment is to provide equal opportunities, an inclusive work environment, and fairness for everyone.
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