Senior Security Architect — Crypto Trading Platform

Bullish in London is seeking a Senior Security Architect to shape secure software across web, API, mobile, and trading platforms. You will lead hands-on security architecture and mentor teams to raise our security bar to industry-leading levels.

Based in SoHo, this full-time onsite role requires deep experience in threat modeling, coding, and cloud security, with the ability to communicate risk to executives and collaborate with product and engineering teams.