Senior Fullstack Software Engineer

October 8, 2026

Remote

Senior

Brighton, England, UK

Description

Octopus Energy is looking for a Senior Fullstack Software Engineer (Python and React) to join its product and engineering team building systems that power the electric car leasing industry. The tech stack is Python with GraphQL, React with Next.js, PostgreSQL and NoSQL databases running on AWS. The engineer works in a dedicated cross-functional team and owns features from inception through to delivery.

Responsibilities

Work within a dedicated cross-functional team on key products for customers or internal teams
Build APIs and integrate with own and third party services to optimise and automate processes
Develop frontend applications to create experiences that wow 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

Requirements

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 for 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
Bonus: proficiency in TypeScript and Next.js
Bonus: working knowledge of AWS and infrastructure as code practices
Bonus: experience with event driven architecture and systems
Bonus: production experience with AI tech and tooling

Conditions

Dog friendly offices where you can bring your own dog
Specific accommodations can be requested for the interview process
Candidates are encouraged to apply even without meeting all hiring criteria
Employee benefits and perks hub offered by the company

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