Backend Engineer
Octopus Energy
Posted
Jul 18, 2026
Location
Remote
Type
Full-time
Mission
What you will drive
- Collaborate internationally with Octopus Energy ES and global teams to develop and integrate new features for the website and mobile app.
- Own key product modules including private area, bill management, saving sessions, customer onboarding optimization, and marketing dashboards.
- Drive fast-paced impact by delivering code that directly affects customers, adapting to real-world needs with quick feedback cycles.
- Thrive in an agile culture with flat hierarchies and an open environment fostering innovation and creativity.
Impact
The difference you'll make
By building high-impact MVPs and delivering code that directly improves customer experience and internal operations, this role accelerates the transition to renewable energy and makes energy more accessible and fair for everyone.
Profile
What makes you a great fit
- Strong professional experience building backend applications with Python.
- Solid experience with Django or equivalent robust web frameworks.
- Deep understanding of Domain Modelling and software architecture.
- Strong expertise designing and integrating GraphQL & REST APIs.
- Proven experience writing robust, fault-tolerant, and scalable software.
- Experience with Celery and asynchronous task processing.
- Solid handling of relational databases, especially PostgreSQL.
- Strong problem-solving skills and ability to lead complex issues from concept to production.
Benefits
What's in it for you
- Remote work from Spain
- Full-time (40 hours/week)
- Octopus Energy share options
- Flexible benefits (meal vouchers, transport, childcare, private health insurance)
- Support for electric vehicle purchases
- Pension plan
- Training and professional development
- Fun, inclusive and collaborative team culture
- Regular team events
About
Inside Octopus Energy
Octopus Energy is a technology-driven energy company on a mission to make energy 100% renewable, accessible, and fair for everyone, combining sustainability with a people-first approach and outstanding service.