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Senior Platform Engineer (DevSecOps) at 9fin | London

9finLondon
On-site Full-time

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Experience Level

Senior

Qualifications

Qualifications:Strong experience in AWS security best practices and architecture. Proficiency in Terraform for infrastructure as code. Understanding of CI/CD pipelines and secure coding practices. Experience with threat modeling and risk assessment methodologies. Excellent collaboration and communication skills. Passion for security and a proactive approach to problem-solving.

About the job

About 9fin

9fin is at the forefront of revolutionizing global debt markets with its innovative AI platform, catering to an asset class worth over $145 trillion.

Debt markets are extensive and critical yet often rely on disjointed data, PDFs, and manual processes. 9fin transforms this outdated infrastructure into a cohesive platform that consolidates proprietary credit data, in-depth analysis, and streamlined workflows across international markets.

Currently, 9fin empowers teams at over 300 prestigious institutions globally, including major banks, asset management firms, private equity companies, law firms, and consulting agencies. As the business rapidly scales, especially in the US, it enjoys exceptional retention rates driven by robust workflow integration.

We are at a pivotal moment in our growth journey. With a validated product-market fit and strong global demand, 9fin is on track to become the leading platform for debt markets around the world.

The Opportunity

We are in search of a Senior Platform Engineer with a specialization in security to join our Platform team and take charge of our security framework across both our AWS environment and software development lifecycle.

This is a hands-on position focused on creating secure-by-default systems rather than enforcing rigid processes. You will be responsible for designing and implementing security guardrails, tools, and patterns that enable our engineers to operate efficiently without sacrificing security.

You will collaborate closely with engineering teams across the organization, as well as our Head of IT & Information Security, to prioritize and execute the most impactful enhancements to our security posture and facilitate our ongoing SOC 2 maturity.

Your Responsibilities Will Include:

  • Designing and implementing security guardrails within our AWS multi-account environment (IAM, networking, data protection, logging).
  • Building and maintaining policy-as-code and infrastructure-as-code (Terraform) to enforce secure defaults.
  • Enhancing our software supply chain security (dependency scanning, build integrity, secrets management).
  • Integrating secure development practices into our engineering workflows (CI/CD, GitHub Actions, code review patterns).
  • Driving visibility and detection through logging, monitoring, and alerting.
  • Partnering with engineering teams to threat model new systems and ensure secure design from the outset.

About 9fin

9fin is a pioneering AI platform transforming the landscape of global debt markets, addressing significant inefficiencies and driving innovation in financial workflows.

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