Rust Systems Engineer – Equity in AI Security Platform

Company: Jack & Jill
Apply for the Rust Systems Engineer – Equity in AI Security Platform
Location: London
Job Description:

Jack & Jill, a $25M Series A cybersecurity startup in London, seeks a Systems Engineer to develop foundational software for an AI security platform. Join a high-traction startup working with cutting-edge technology.

Your role involves designing security agent components, conducting cross-platform technical research, and building reliable deployment mechanisms. Ideal candidates will have production experience in Rust or C++, a focus on security-critical software, and an AI-forward mindset.

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Posted: June 1st, 2026