Climate & Environment Full-time

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.