Job Title
Senior Full Stack Engineer (£400-£600 / day)
Salary
£400-£600 / day
Company Description
Volter is a climate-tech platform backed by top-tier VCs, building a modern B2B energy solution described as “Octopus Energy for industry.” Founded by experienced entrepreneurs who have scaled multi-billion dollar businesses, Volter provides radical transparency and data-driven renewable energy products to help commercial customers cut costs and carbon without legacy complexity.
Job Description
Join Volter’s founding team as a Senior Full Stack Engineer on a six-month contract to build the infrastructure for clean energy. You will own features end-to-end—from backend services in Go/Python to frontend interfaces in React—while developing complex ETL pipelines for smart-meter data, accelerating the global transition to renewables through high-velocity engineering.
Location
London, UK
Why this role is remarkable
- Work directly with seasoned founders who have previously scaled businesses to multi-billion dollar valuations and are now tackling the climate crisis with top-tier VC backing.
- Join a high-velocity founding team where you will ship impactful product features in days rather than weeks, maintaining genuine end-to-end ownership of the platform.
- Solve complex technical challenges in the renewables space by building the first transparent, data-driven platform for B2B energy procurement, pricing, and forecasting.
What You Will Do
- Design and build backend services and APIs for billing, pricing, and forecasting using Go or Python, ensuring high reliability and performance for data-intensive operations.
- Develop user-facing flows in TypeScript and React while building ETL pipelines to ingest time-series data from smart meters and market price feeds.
- Collaborate closely with founders and data scientists to implement feature serving and real-time scoring, making pragmatic trade-offs to deliver value to customers quickly.
The ideal candidate
- Proven track record of shipping production software in early-stage startups, with a strong backend focus and proficiency in Go, Python, TypeScript, and React.
- Deep experience with data-intensive architectures, including schema design, query optimization, and handling complex time-series data or half-hourly utility data feeds.
- Exceptional communicator who thrives in high-autonomy environments, balancing rapid prototyping with infrastructure-as-code, CI/CD, and security-by-default practices to raise the team’s engineering bar.
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