Overview

As a Backend Engineer at Octopus Energy, you contribute to high-impact MVPs that empower millions of customers and internal teams. You work across international, cross-functional teams to identify real business needs and translate them into fast, practical tech solutions. You will develop parts of our private area, billing, onboarding flows, and dashboards, delivering code with tangible customer impact.

The role combines a fast-paced, agile culture with a people-first, collaborative environment that values bold, innovative problem-solving. This opportunity lets you shape scalable energy software at a integral scale while advancing a sustainable mission.

Compensaciones / Beneficios 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

Responsabilidades Collaborate with international teams to develop and integrate new features for website and mobile app





Own and contribute to key product modules such as private area, bill management, saving sessions, onboarding optimization, and marketing dashboards

Deliver code with direct customer impact in a fast-paced environment thrive in an agile culture with flat hierarchies and open collaboration

Contribute to solving real-world problems with practical technical solutions

Requisitos principales Backend applications with Python

Django or equivalent web framework

Domain modelling and software architecture

Design and integration of GraphQL and REST APIs

Robust, fault-tolerant, scalable software

Celery and asynchronous task processing

Relational databases, especially PostgreSQL

Strong problem-solving and ability to lead complex issues from concept to production

Fluent English

Collaborative and communicative

Proactive problem-solving

Adaptability and flexibility

Python

Django

Domain Modelling

📌 Backend Engineer (Barcelona)
🏢 Octopus Energy
📍 Barcelona