Backend Developer

Octopus Energy

. Build the foundations of the global EV transition through backend engineering .

Posted 9/29/2026full-timeLondon • United KingdomJuniorMid-LevelWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in backend engineering with a focus on Python, API development, and robust software design. Capable of collaborating with cross-functional teams to deliver scalable solutions in the electric vehicle charging domain.

Highest-signal resume keywords

Python ProgrammingAPI DevelopmentGit and CI/CDDatabase and Data ArchitectureDefensive Programming

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

PythonAPI DevelopmentRESTGraphQLGitCI/CDDatabase ManagementData ArchitectureDefensive ProgrammingDjango

Soft Skills

CommunicationCreative Problem SolvingTeam Collaboration

Industry Keywords

Electric VehicleCharging PlatformB2B Product FeaturesOCPIThird-Party API Integration

Tech Stack

Tools & technologies

DjangoGraphQLPython

About the role

Key responsibilities & impact

Build the foundations of the global EV transition through backend engineering
Develop critical services serving end users
Enable rapid but robust development using observability, data analysis, and defensive programming
Safely scale products and charge point operator integrations globally
Work with cross-functional stakeholders to break down complex problems
Assess feasibility and propose creative technical solutions
Help deliver a market-leading, robust, and scalable charging platform
Work alongside the product manager and engineers in the squad

Requirements

What you’ll need

2+ years commercial experience with Python
Good communication skills and ability to consider product vision and propose creative technical solutions within a team
Ability to write robust and fault-tolerant software
Proficient understanding of Git and CI/CD
Good understanding of databases and data architecture
Experience with API development (REST, GraphQL, etc.)
Nice to have: experience using web frameworks such as Django
Nice to have: experience working on B2B product features
Nice to have: experience working with OCPI
Nice to have: experience integrating third-party API solutions

Benefits

Comp & perks

Salary discussed with recruiters, with flexibility to match experience
Perks and employee benefits
Flexible interview accommodations
Equal opportunity and inclusive work environment