Senior Product Security Engineer — AI-Driven SDLC Leader

Blockchain is seeking a senior product security engineer to own the secure development lifecycle across Consumer, OTC and MRE lines. You will lead threat modeling, architecture reviews and remediation, embedding with product and engineering teams to push security into code and process.

You will drive automated pipelines, security governance, incident response support, and risk-based remediation decisions while coordinating with leadership. London-based, with in-office presence four days per week.

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