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Job Title: Senior Platform Engineer (DevSecOps)
Company Description: 9fin.com - Series C AI platform for debt markets
Job Description:
Join 9fin's high-seniority Platform team to lead the security function from the ground up. You will design and implement the automated guardrails, policy-as-code, and secure-by-default systems that allow engineers to move fast while protecting a platform used by 300+ blue-chip institutions across the $145 trillion global debt market.
Location: Remote, UK
Why this role is remarkable:
Opportunity to build a security function from a "cold start," defining the standards, tooling, and culture for a unicorn-stage fintech.
9fin just closed a $170M Series C at a $1.3B valuation, providing massive growth trajectory and stability with 300+ institutional clients.
Work in a high-autonomy, low-ego environment within a senior Platform team that functions as an internal product group rather than a ticket-based service.
What you will do:
Design and implement automated security guardrails across a multi-
