Full Stack Software Engineer

Octoenergy; Greater London; On-site; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Dog-friendly office

Job summary

Octopus Electric Vehicles, part of the Octopus Energy Group, is seeking a Senior Fullstack Software Engineer (Python and React) to join the product and engineering team in London. You will build APIs, frontends, and scalable systems across AWS, PostgreSQL, and NoSQL databases, shaping our EV leasing platform.

You’ll own features end-to-end, contribute to design systems, and mentor teammates while collaborating across disciplines.

Qualifications

• Proven experience with Python and React development.
• Strong knowledge of GraphQL APIs and data modeling.
• Experience with design systems and component libraries.

Responsibilities

• Build APIs and integrate with internal and external services.
• Develop frontend applications with React/Next.js for diverse devices.
• Create performant, scalable backend and data pipelines.
• Collaborate across teams and own features from inception to delivery.

Skills

Python

React

GraphQL

TypeScript

Next.js

AWS

EDA

Code quality

Team collaboration

Ownership

Tools

GraphQL

PostgreSQL

NoSQL

AWS

IaC

TypeScript

Next.js

Job description

What we do. Electric Car Leasing

Why we do it. Greener. Fairer. Future.

We’re looking for a Senior Fullstack Software Engineer (Python and React) to join our product and engineering team building the systems that power our ability to revolutionize the electric car leasing industry.

Our tech stack is Python with GraphQL, React with Next.js, PostgreSQL and noSQL databases, running on AWS.

• Work within a dedicated cross-functional team on key products for our customers or our internal teams.
• Build APIs and integrate with our own and third party services to optimise and automate processes.
• Develop frontend applications to create experiences that wow our users.
• Create performant systems that work consistently across modern browsers and devices.
• Care about the code you write and its future maintainability.
• Contribute ideas, share knowledge, support, mentor, and raise the game of those around you.
• Expertise in Python and React.
• Proficiency working with multiple data sources and designing expressive APIs using GraphQL.
• Experience working with design systems and component libraries.
• Excellent understanding of fundamental coding principles and best practices and experience applying these to create robust, scalable, maintainable software.
• Proven experience of collaborating within teams and across disciplines.
• A track record of taking ownership of the development of features from inception through to delivery.
• Proficiency in TypeScript and Next.js.
• A working knowledge of AWS and infrastructure as code (IaC) practices.
• Experience with event driven architecture/systems (EDA).
• Production experience with AI tech and tooling
• Don’t feel like you meet all of our hiring criteria? Thats OK, apply anyway! We’d love to hear from you and have a conversation.
• Octopus Electric Vehicles, part of the Octopus Energy Group, won the Sunday Times best company to work for in 2024. We were named 6th out of the top 100 start‑ups to work for by Tempo in 2025 and on Glassdoor we were voted 50 best places to work in 2022. Our Group CEO, Greg has recorded a podcast about our culture and how we empower our people
• 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! Visit our perks hub - Octopus Employee Benefits
• just to let you know, we are dog friendly company so you may see our 4 legged friends in the offices - feel free to bring yours! Rest assured though, we've taken lots of precautions for those who have allergies
• We use AI to help us assess applications fairly and objectively. We’re totally fine with you using AI as a tool to help prepare too. That said, when we get to the interview and assessment stage, we’re really interested in hearing your unique perspective and real-world stories. That’s the stuff we can’t get from a bot or a prompt!

About us

The electric revolution has arrived - and from 2035 you’ll no longer be able to buy a new petrol or diesel car in the UK.

We’re building a whole new way for drivers to join the electric charge and not only learn about and shop for their EV online, but experience a 'lease for life' through an industry changing customer experience. This is the chance to join one of the UK’s most exciting start-ups – making it easy for individuals and businesses to go electric by getting their car, charger and energy all in one cracking deal.

Octopus Electric Vehicles launched in 2018 to make it seamless to switch to cleaner, greener driving. Our mission is to drive sustainable change, decarbonise the planet and provide our customers with fair pricing and a fantastic experience.

We're an Octopus Energy company—an innovative new energy supplier. We are part of the Octopus Energy Group, which seeks to improve the lives of millions of people by transforming the industries we operate in. The Octopus Group incorporates Octopus Energy, Octopus Healthcare, Octopus Investments, Octopus Property, Octopus Ventures and Octopus Labs.

We would love to hear from you

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!

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.