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.

Now, we’re scaling our services business, making it easy to switch to heat pumps, solar and EVs, and launching smart tariffs for Low Carbon Tech.

With this, we’re also taking the learnings, products and experiences that customers love here and rolling them out worldwide.

OE Tech is the engineering and product organisation inside Octopus Energy. Here 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 services, marketing, operations, and data, and see...