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Backend Engineer at Capture Energy

The grid is the bottleneck of the century, and Capture Energy is fixing it. We're a new category of AI-native power company, recently launched as the UK's newest licensed electricity supplier. We’re looking for a Backend Engineer (Python) to build the backbone of our SupplyOS, handling everything from wholesale trading to industry data flows. Join a team of veterans from Kraken and Octopus to solve complex problems at the intersection of volatile markets and physical networks. If you want high ownership and the chance to build critical infrastructure from scratch, this is the role for you.

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Capture Energy

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Location

London, United Kingdom

Compensation

Not Disclosed

Company

Capture Energy

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Role overview

You will build the backbone of Capture’s SupplyOS, developing high-throughput, event-driven architectures for wholesale market trading and industry data flows. Working with a team from Octopus and Kraken, you’ll automate complex operational processes and turn emerging energy market definitions into production-grade systems that interact with the physical grid daily.

Capture Energy is a London-based power company, redesigned from first principles to solve grid bottlenecks using an AI-native approach and demand-side flexibility.

What you will do

  • Design and build high-throughput, event-driven architectures that serve as the heart of Capture’s interaction with the electricity market.
  • Develop and automate SupplyOS components, ranging from wholesale trading systems to customer-facing supplier platforms and complex data flows.
  • Collaborate with engineers and operators to transform vague market definitions into simple, automated systems that manage real-world physical assets.

Who this is a fit for

  • Has 3+ years of professional backend engineering experience with strong Python fundamentals and a track record of building production-grade systems.
  • Demonstrates a founder-like mindset with the ability to digest complex technical specifications and turn uncertainty into clear, scalable code.
  • Thrives in fast-paced environments, ideally bringing previous experience or interest in the energy industry and high-throughput architectures.

Why this role is remarkable

  • Join the UK’s newest licensed electricity supplier, founded by veterans from Kraken, Octopus, and McKinsey who grew CaptureAI by 70% month-over-month.
  • Work on critical national infrastructure at the intersection of volatile energy markets, physical networks, and low-latency control systems.
  • Enjoy a high-ownership culture where you help architect a new category of power company from scratch with direct impact on the global energy transition.

How Jack & Jill work together

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Jill
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Jill is the AI recruiter working for the company. She recruits from Jack’s network.

If your profile’s a match and Capture Energy wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.

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