> Markdown version of [/jobs/ext/633419-remote-senior-platform-engineer-at-9fin-com](https://www.wearedevelopers.com/jobs/ext/633419-remote-senior-platform-engineer-at-9fin-com). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Remote Senior Platform Engineer at 9fin.com - **Company:** Jack & Jill/External ATS - **Location:** Liverpool, UK (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Cyber Security, Github, Policy as Code, Software Security, Terraform - **Published:** June 25, 2026 - **Apply:** https://find.jobs/jobs-near-me/remote-senior-platform-engineer-at-9fin.com-liverpool/2835126311-2/ ## About the Role * 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. ## Description * 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. ## Related Videos - [You can’t hack what you can’t see](https://www.wearedevelopers.com/videos/41-you-can-t-hack-what-you-can-t-see) - [Innovating Developer Tools with AI: Insights from GitHub Next](https://www.wearedevelopers.com/videos/1268-innovating-developer-tools-with-ai-insights-from-github-next) - [Infrastructure as Code: The Developer's Secret Weapon](https://www.wearedevelopers.com/videos/1221-infrastructure-as-code-the-developer-s-secret-weapon) - [Thinking Differently - How to Make Money from Cyber Attacks & Cheats](https://www.wearedevelopers.com/videos/745-thinking-differently-how-to-make-money-from-cyber-attacks-cheats) - [Real-World Security for Busy Developers](https://www.wearedevelopers.com/videos/1545-real-world-security-for-busy-developers) - [Empowering Developer Innovation - Balancing Speed, Security, and Scale](https://www.wearedevelopers.com/videos/1689-empowering-developer-innovation-balancing-speed-security-and-scale) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Best Job Boards for Remote Work for Developers](https://www.wearedevelopers.com/magazine/290-best-job-boards-for-remote-work-for-developers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)