Senior Platform Engineer @Jack & Jill/External ATS
DevOps / Sysadmin
Salary unspecified
Remote Location
remote UK
Job Type full-time
Posted YDay

[Hiring] Senior Platform Engineer @Jack & Jill/External ATS

YDay - Jack & Jill/External ATS is hiring a remote Senior Platform Engineer. πŸ’Έ Salary: unspecified πŸ“Location: UK

Role 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-account AWS environment using Terraform and policy-as-code.
  • Build and maintain secure CI/CD pipelines in GitHub Actions, including secret scanning, dependency analysis, and build integrity checks.
  • Partner with the Head of InfoSec to translate SOC 2 compliance requirements into pragmatic, engineering-led platform features and automated gates.

Qualifications

  • Proven experience owning or significantly improving cloud security posture, ideally building security functions from scratch in a startup/scale-up environment.
  • Expert-level proficiency with AWS, Infrastructure as Code (Terraform), and modern application security patterns like decentralized authentication.
  • Strong communicator who can balance security requirements with developer experience to influence engineering teams across the entire organization.

Next Steps

  • Step 1. Visit our website.
  • Step 2. Click 'Talk to Jack'.
  • Step 3. Talk to Jack so he can understand your experience and ambitions.
  • Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
  • Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
  • Step 6. If not, Jack will find you excellent alternatives. All for free.

Company Description

  • 9fin.com
  • Series C AI platform for debt markets
Before You Apply
️
remote Be aware of the location restriction for this remote position: UK
β€Ό Beware of scams! When applying for jobs, you should NEVER have to pay anything. Learn more.
Senior Platform Engineer @Jack & Jill/External ATS
DevOps / Sysadmin
Salary unspecified
Remote Location
remote UK
Job Type full-time
Posted YDay
Apply for this position
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remote Be aware of the location restriction for this remote position: UK
β€Ό Beware of scams! When applying for jobs, you should NEVER have to pay anything. Learn more.
Apply for this position
Did not apply βœ“
Applied βœ“
Sent Follow-Up βœ“
Interview Scheduled βœ“
Interview Completed βœ“
Offer Accepted βœ“
Offer Declined βœ“
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