Lead Backend Engineer for Climate Platform (Hybrid, Python)

Company: trg.
Apply for the Lead Backend Engineer for Climate Platform (Hybrid, Python)
Location: London
Job Description:

trg. is seeking a Lead Backend Engineer for its climate-tech nonprofit in London. You’ll stay hands-on with Python while leading a small team to build Scenario Builder, a platform for energy-system modelling and decarbonisation analysis.

You’ll shape technical direction, mentor engineers, tackle data-heavy backend challenges, APIs, cloud infrastructure and CI/CD, and help scale a mission-critical platform with real-world climate impact.

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Posted: July 14th, 2026