About the role
We're making energy fair, clean, and simple for all using technology. 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 in 2025, we became Britain's largest energy supplier. Octopus Energy Group is a global energy transition collective: 10 businesses working across 4 continents to tackle energy transformation at nearly every front.
We're made up of 10,000+ authentic, committed people working around the world. We're united by a shared goal: to drive the global green energy revolution.
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.
We are looking for a Backend Engineer to join our Global Backend Team. The Global Backend Team are the powerhouse behind our mission to build the future of energy tech, working on our new and rapidly growing backend retail codebase used by all Octopus Energy engineering teams around the world. We embrace flat hierarchies and an open, agile culture that fosters innovation, flexibility, and creativity.
What we're looking for
We're looking for someone with a general interest in technology and problem-solving; someone diligent and thoughtful. It would be helpful to have experience/expertise in the following (in rough priority order):
•Python
•Django (or equivalent web framework)
•Domain modelling
•GraphQL
•Writing robust and fault-tolerant software
•Celery and async processing
•Postgres
•AWS
•Kubernetes
Salary isn't advertised - it's discussed on a call with a recruiter so it can be matched to your experience.
Work setup
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.
