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Principal Software Engineer (Back-End)

📍 Location
London
⏰ Job Type
full_time
📅 Posted
June 03, 2026

About the Role

About the Role

We are looking for an experienced Principal Back-End Engineer to lead the team building and scaling the infrastructure behind Scenario Builder, our electricity grid modelling platform. Scenario Builder is an in-browser platform that currently provides capacity expansion and dispatch modelling through an accessible no-code interface. The vision for Scenario Builder is to expand into power flow modelling to create a fully integrated grid modelling platform with the features and functionality needed to enable users to develop bankable scenarios that support energy investment decisions.


You will line-manage a small team of engineers while remaining a highly active individual contributor. You will own the technical shape of engineering work on the back-end team — leading planning...

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