Founding Engineer (Full Stack)

Crimson (YC X25)
Full-time London, England IT & Technology
Posted:
February 18, 2026
Location:
London, England, United-Kingdom

Job Description

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Crimson is the AI platform for high-stakes litigation. We're working with top law firms in the UK and US to streamline how complex disputes are run. Our platform drafts pleadings and submissions, analyzes judgments and orders, summarizes transcripts and locates key evidence in seconds.
We're a team of three co-founders with deep technical and domain expertise. Our users are lawyers who trust us with their most sensitive case files. They care about security, accuracy, reliability and speed, and so do we.
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Job Overview

Job Type: Full-time
Location: London, United-Kingdom
Posted: February 18, 2026
Deadline: March 30, 2026