Senior Engineer - Devices

Help us use technology to make a big green dent in the universe!

We’re a leading energy technology (EnTech) company, providing a better experience for our customers through transparency, honesty and simplicity. Better for the planet, through real long-term investment in renewable generation and a low CO2 future. We make energy green and flexible for consumers, with fair and transparent pricing.

We\’re on a mission to make energy greener, fairer, and genuinely better for people. Our global energy revolution is backed by Generation, the sustainable fund co-chaired by Al Gore. To succeed with this mission, we need excellent technical people who want to use their skills on the biggest challenge the planet is facing.

We’re proud to be Europe\’s best-funded green tech start-up, and one of Glassdoor\’s Best Places to Work. We’re also the most awarded energy supplier in the UK, and have been Which? Recommended eight years in a row.

What will you be doing?

You’ll be joining our Devices Team, the function behind our connected hardware products like the Home Mini and Heat Pumps. We bring together engineers from cloud, mobile, backend, and embedded disciplines to work collaboratively across the full stack of smart energy hardware. It’s a multidisciplinary team with a strong product focus, and a great place to shape the future of home energy tech.

You’ll find a wide variety of challenges in the work we do as we help push the energy revolution forward. Our teams are multi-disciplined and collaborate between countries, meaning you have what you need to get the right people together and build the next great thing.

The focus of this role would be serverless backend IoT services deployed in the cloud, however you would be working in a cross-functional team touching everything from mobile apps to core infrastructure, and so would have the opportunity to influence the entire stack.

Our ideal engineer would be an individual who loves to engage with interesting software problems, with an interest in full-stack development and the passion to build and shape the future within a collaborative, community-based environment. We operate a highly agile development approach, giving wide scope to be involved with hands-on system-design, test driven development, deployment and operations.

What you\’ll do:

• Design, build and maintain high performance, reusable & reliable code
• Ensure the best possible performance, reliability and quality of the platform
• Contribute to development across the entire stack from the front end down to the infrastructure that the platform runs on
• Contribute to the software engineering culture here at Octopus Energy
• Collaborate regularly with colleagues with many different professional specialities to create innovative solutions that delight our customers and colleagues
• Mentor junior engineers via pairing, design review & code review
• Work as part of a team of engineers, regularly seeking feedback and growing your skills as technical professionals.

What you\’ll have:

• In depth industry experience in software development & design
• Proven experience in one of the following: Typescript, Node.Js
• Experience with AWS or similar cloud providers, and serverless technologies e.g. AWS Lambda, Kinesis, DynamoDB, API Gateway
• A drive to get things done in a collaborative, agile development environment
• A proven ability to perform well in a fast-paced environment
• Excellent analytical and multitasking skills

It would be great if you had:

• Python, Django, SQL, Front-end development experience
• Experience of working with IoT technologies and systems, e.g. MQTT, AWS IoT Core, Greengrass etc
• Experience developing, securing or operating cloud scale applications or infrastructure; ideally terraform or cloudformation
• Familiarity with container technologies (Docker, Kubernetes etc) and passion for improving the way cloud applications are built

Why else you\’ll love it here

• Wondering what the salary for this role is?Just ask us! On a call with one of our recruiters it\’s something we always cover as we genuinely want to match your experience with the correct salary. The reason why we don\’t advertise is because we honestly have a degree of flexibility and would never want salary to be a reason why someone doesn\’t apply to Octopus – what\’s more important to us is finding the right octofit!
• Octopus Energy Group is aunique culture. An organisation where people learn, decide, and build quicker. Where people work with autonomy, alongside a wide range of amazing co-owners, on projects that break new ground. We want your hard work to be rewarded with perks you actually care about! We were recently named theUK\’s top company to work for , and we ranked in thetop ten in the Sunday Times Best Places to Work 2024 . Our Group CEO, Greg has recordeda podcast about our culture and how we empower our people. We’ve also been placed in thetop 10 companies for senior leadership
• Visit our UK perks hub –Octopus Employee Benefits

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 and 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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