About the job
At Octopus Energy, we began with an audacious vision: to establish the UK's first fully digital energy supplier. Our journey has been driven by cutting-edge technology and a passionate team dedicated to customer satisfaction and the green energy transition. In 2025, we proudly became Britain's largest energy supplier.
Today, we are rapidly expanding, developing innovative products that facilitate the transition to renewable energy. From simplifying the switch to heat pumps and solar energy to launching intelligent tariffs and scaling renewable energy generation, we tackle the most intricate challenges in the energy sector with agility, creativity, and a strong focus on customer needs. Our mission extends globally as we empower our international operations to share the successful innovations and experiences we've cultivated in the UK.
Joining our Tech team means you’ll have the autonomy, diversity, and opportunity to design products that significantly impact individuals' lives, reducing energy costs, promoting sustainable living, and delivering exceptional customer experiences. You'll collaborate closely with teams from marketing, operations, and data, witnessing the real-world effects of your contributions.
We invite you to apply for the position of Senior Backend Engineer within our Flexibility team.
The Flexibility team is at the forefront of creating innovative products and tools that enhance energy adaptability. Our flagship product, Intelligent Octopus, automates demand management for 300,000 customers utilizing electric vehicles, home batteries, and smart heating devices. We save 2 million customers money through initiatives like Saving Sessions and Free Electricity Sessions while managing 568 MW of large-scale grid batteries to stabilize the energy system. The solutions we develop are utilized by millions, driving increased renewable energy usage and aiding in the decarbonization of global energy systems.
We foster a flat organizational structure and a dynamic, open culture that nurtures innovation, flexibility, and creativity. At Octopus, we embrace authenticity, our team consists of talented individuals who achieve results while remaining true to themselves.
If this opportunity resonates with you, we would be thrilled to connect.
