Senior Python Engineer: Scalable API & Data Systems

Octopus Energy Group; Greater London; On-site; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Dog-friendly offices

Employee benefits hub

Job summary

Octopus Energy Group, including Octopus Electric Vehicles, is seeking a Senior Software Engineer (Python) to join the product and engineering team building the systems powering our electric car leasing platform.

Our stack is Python with GraphQL, PostgreSQL and NoSQL databases, running on AWS with a React/Next.js frontend. You will design robust APIs, evolve backend data models, and work across data sources while mentoring teammates and driving code quality.

Qualifications

• Deep expertise in Python and software engineering fundamentals.
• Experience designing and building APIs, ideally using GraphQL.
• Experience with multiple data sources, including relational and NoSQL databases.
• Strong understanding of core software engineering principles and best practices.
• Proven collaboration within teams and across disciplines.
• Experience using AI tools to augment development.
• Track record of taking ownership of features from inception through to delivery.

Responsibilities

• Design and build robust APIs and integrate services to automate core processes.
• Architect and evolve backend systems and data models for performance and scale.
• Work across multiple data sources to design expressive schemas.
• Contribute to frontend applications when needed to improve user experiences.
• Mentor teammates and raise the game of those around you.

Skills

Python

API design

GraphQL

PostgreSQL

NoSQL

AWS

Scalable architecture

Mentoring

Tools

AWS

PostgreSQL

NoSQL databases

Job description

Octopus Energy Group, including Octopus Electric Vehicles, is seeking a Senior Software Engineer (Python) to join the product and engineering team building the systems powering our electric car leasing platform.

Our stack is Python with GraphQL, PostgreSQL and NoSQL databases, running on AWS with a React/Next.js frontend. You will design robust APIs, evolve backend data models, and work across data sources while mentoring teammates and driving code quality.