As a generalist Software Engineer at Axle Energy, you will build the core infrastructure connecting distributed energy devices to electricity markets. Working across product, devops, and data engineering, you’ll join a tight-knit team of 15 to orchestrate thousands of assets like EVs and home batteries to accelerate the global energy transition.
Back to all jobs
Learn about Jack
Software Engineer at Axle Energy
Axle Energy is building the 'Stripe for energy' — the critical API infrastructure layer for the global energy transition. Backed by Accel with £8M+ in seed funding, this 15-person engineering team is creating the software plumbing that allows billions of EVs, home batteries, and heat pumps to participate in electricity markets. As a Software Engineer, you'll have massive ownership over the full VPP stack, working on real-time control systems and ML forecasting alongside founders with Oxford PhDs. If you want to ship fast and fight climate change at a well-funded, high-growth startup in London, this is your arena.
About this role
Role overview
About the company
Software
Axle monetises energy flexibility. Our platform optimises EVs, batteries, and heat pumps on electricity markets to help kick fossil fuels out of the grid.
What you'll do
What you will do
- Build and maintain the core infrastructure that connects distributed energy devices like EVs and heat pumps to electricity markets.
- Design and deploy scalable Python backends on GCP to handle real-time control, market dispatch, and grid-aware optimization algorithms.
- Collaborate directly with founders and clients to iterate on the API infrastructure that enables third-party device participation in energy markets.
Who you are
Who this is a fit for
- Proven production experience shipping B2B SaaS products using Python backends and cloud platforms like GCP or similar.
- A track record of solving deep technical problems in distributed systems, complex integrations, or high-traffic data pipelines at a scaling startup.
- Deep-seated motivation to combat climate change and the courage to build fast, prioritizing real-world environmental impact over technical perfection.
Why this role
Why this role is remarkable
- Ownership & Impact: Step into the arena against climate change by building the plumbing for a decarbonized grid, controlling tens of thousands of energy assets.
- Elite Backing: Backed by Accel with £8M+ raised, you will work alongside technical founders with Oxford PhDs in a fast-paced, flat-structure environment.
- Complex Engineering: Tackle hard technical challenges across the full VPP stack, including device integration, real-time control, and ML-driven grid optimization.
Jack & Jill
How Jack & Jill work together
I get to know what you’re great at, then find roles you’d never find yourself.Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.
I recruit from Jack’s network and make the intro when I spot a great match.And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.
Meet Jack
Jack gets to know what you're great at and what you want next, then searches 15 million jobs daily and helps you discover roles at companies like this.
How does this work?
Jack’s an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack’s network.
If it’s a match and the company wants to meet you, they’ll make the intro. In the meantime, if you’d like, Jack will send you excellent alternatives.