Senior Software Engineer (Backend, Python)

What you'll do

• Help us improve the core product by developing and improving our pricing and discount mechanisms.
• Help improving the accuracy of our financial reporting and payment success rates across our existing and potential payment providers
• Expand existing charging subscription offering to add flexibility and scalability
• Work within a small specialized team to enable multiple cross functional product areas and delivery best quality for our customers
• Support the Operations team in resolving payments related customer issues, and the Financial team in building accurate reporting systems

What you'll need

The passion to create something amazing, and the mindset to learn and grow with the company.

- 3+ years software experience, preferably with Django or similar Python frameworks

Experience with monitoring and debugging applications and infrastructure

Experience maintaining asynchronous processing systems (AMQP, Celery)

An ability to discuss vision and features within a team and propose creative solutions

Knowledge of common security practices

Familiarity with continuous integration and continuous deployment

An ability to write robust and fault-tolerant software

Proficient understanding of Git

It would be great if you have

Experience with subscriptions and recurring payments

Experience with billing and invoicing flows

Experience working on commercials, pricing and tax within an international context

Experience with KYC/KYB products and flows

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 a unique 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 named the UK's top company to work for in 2025, and we ranked in the top ten in the Sunday Times Best Places to Work 2026. Our Group CEO, Greg has recorded a podcast about our culture and how we empower our people. We’ve also been placed in the top 10 companies for senior leadership

• Visit our UK perks hub - Octopus Employee Benefits

If this sounds like you then we'd love to hear from you, tell us what you care about, why Octopus feels right and most importantly, bring us the real you! Applying for jobs can be a bit scary so have a nose through some of our tips first 🚀

P.S. 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 [email protected] and we’d love to help!

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.