--- title: 'Senior Platform Engineer at 9fin' canonical: 'https://feeny.ai/job/senior-platform-engineer-9fin-london-tpzrkjn9kyn1' type: 'job' last_seen: '2026-09-06' --- # Senior Platform Engineer at 9fin - **Company:** 9fin - **Location:** London, United Kingdom - **Employment:** full-time - **Posted:** 2026-08-24 - **Last confirmed live:** 2026-09-06 - **Apply:** https://jobs.ashbyhq.com/9fin/70f6522b-1ce2-445e-857f-bc71b49b914a ## Job description ## About 9fin 9fin is the AI platform powering global debt markets — the world’s largest asset class at over $145 trillion. Debt markets are vast, global, and mission-critical, yet still run on fragmented data, PDFs, and manual workflows. 9fin replaces this broken infrastructure with a single platform that centralises proprietary credit data, deep analysis, and high-value workflows across global markets. Today, 9fin powers teams at 300+ blue-chip institutions worldwide, including global banks, asset managers, private equity firms, law firms, and advisors. The business is scaling at exceptional speed, with rapid expansion in the US and best-in-class retention driven by deep workflow adoption. We’re at a defining inflection point. With proven product-market fit and strong, global market pull, 9fin is accelerating toward becoming the category-defining platform for debt markets worldwide. ## THE OPPORTUNITY We are looking for a highly-motivated and driven platform engineer, with experience in enabling a DevOps culture within tech teams. In this role, your primary responsibility will be to provide a world-class developer experience to other engineers. You will have the autonomy to build solutions for the fascinating problems that we have to solve, allowing our customers (the software engineers) to build products quickly, securely, and to a high standard of quality. ## WHAT YOU'LL DO Every day is different, but here’s an example of the kind of things you’ll work on: - Designing and implementing high quality infrastructure as code templates/modules, and empowering software engineers to use them for their projects. - Implementing AWS multi-account core infrastructure, and ensuring security best practices are being used across the cloud estate. - Authoring CI/CD templates and optimisations to ensure that engineers can release as early and often as possible. - Designing and implementing a developer portal, to provide a service catalog to the engineering team, and also author many other useful DevOps plugins. - Contributing to observability best practices and providing key SLI/SLO metric reporting, so that the engineering team can balance velocity and reliability. - Develop inner/open source projects to help provide a world-class developer experience to the engineering team. ## ABOUT YOU This role will be a great fit if you have: - Good working knowledge of AWS services including ECS, EC2, Lambda, VPC, IAM, Route53, CloudFront, S3, RDS - Good understanding of monitoring and logging solutions. We use OpenTelemetry, AWS Cloudwatch and SigNoz so experience with them is a bonus. - Basic SRE knowledge, and experience in alerting and incident management platforms (eg. incident.io http://incident.io, Pagerduty) - Proven ability to provide and support strong and scalable CI/CD pipelines - Linux, Git, Docker and good scripting skills in e.g. Python, bash, Go. You should be proficient in at least one modern programming language. - Good experience in defining Infrastructure as Code using Terraform. - Knowledgeable and comfortable with Agile development practices - Great appetite for learning and self-improvement - A real passion for developer experience, as well as an understanding and enthusiasm for Platform Engineering as a discipline - Previous experience in fintech is a bonus ## BENEFITS We’re a scaling start up, and we enjoy sharing our success, when the company succeeds, we always reinvest that in our people. We also offer huge amounts of responsibility, an abundance of opportunity for growth and a platform to truly excel. Financial & Insurance - Competitive Salary (our salary bands are benchmarked at the top end of the market) - Equity - Pension (your minimum contributions are 4% with 9fin matching up to 7%) - Private Medical Insurance - Paid sick leave with Income Protection for long periods of illness - Group Life Assurance - Season Ticket Loan & Cycle to Work schemes Time off - 25 holiday days per year - Local public holidays (with the ability to exchange them for alternative days) - Hybrid working model, to allow you the flexibility to decide how, where and when you do your best work - Work abroad for up to 3 months a year - 1 month paid sabbatical after 5 years of service - Enhanced parental leave & flexible working arrangements available Training & Culture - Professional learning and development budget - Quarterly team socials - Summer and Winter company social events ## 9FIN IS AN EQUAL OPPORTUNITIES EMPLOYER Don’t meet every single requirement? At 9fin we are dedicated to building and promoting a fair and inclusive workplace where everyone can flourish, reach their full potential and truly belong. We recognise diverse teams allow a more creative and productive environment. So, if you’re excited about this role but your experience doesn’t perfectly align with the job description, we encourage you to apply anyway. You might just be who we’re looking for - for this role, or perhaps another. 9fin is an equal opportunities employer At 9fin we are dedicated to building and promoting a fair and inclusive workplace where everyone can reach their full potential and truly belong. We recognize that building diverse teams enables a more creative and productive environment. If you’re excited about this role but your experience doesn’t perfectly align with the job description, we encourage you to apply anyway. You might just be who we’re looking for — either for this role, or perhaps another. ## About 9fin ## Company Overview - **One-liner**: 9fin is the AI-native intelligence platform that provides data, analytics, news, and AI-powered workflows for global debt capital markets. - **Entity Type**: Private (Series C) - **Headquarters**: London, United Kingdom - **Founded**: 2016 - **Founders**: Steven Hunter (CEO) and Hussam El-Sheikh (CTO) ## Core Business - **Primary industry/industries**: Financial Technology (Fintech), Debt Capital Markets, AI/Data Analytics - **Target customers**: B2B, specifically investment banks, asset managers, hedge funds, law firms, private credit funds, and advisory firms. - **Mission or purpose statement**: To become the number one platform for debt markets globally, redefining how debt markets are understood and acted on by credit teams. ## Products & Services - **9fin Platform**: A unified platform combining breaking news from expert reporters, structured data and analytics, and AI-powered workflows. It covers leveraged finance, distressed debt, CLOs, private credit, ABF, and investment grade across North America, Europe, Latin America, and Asia-Pacific. - **9fin AI (AI Chat & Research Grid)**: Launched in June 2026, these tools help credit professionals move from question to conviction faster. AI Chat provides cited answers to complex credit questions in seconds. Research Grid enables users to build structured company comparisons in minutes using pre-defined or custom questions. Every output is grounded in proprietary debt market data and linked to source material. [9fin.com](https://www.9fin.com/) ## Market Standing - **Valuation/Market Cap**: $1.3 billion (as of Series C fundraise in March 2026) [cbinsights.com](https://www.cbinsights.com/company/9fin) - **Key Metric**: Total funding raised to date: $253.95M [cbinsights.com](https://www.cbinsights.com/company/9fin) - **Notable Investors/Partners**: Not all investors are publicly listed, but the company has raised over $250M across Series A, B, and C rounds. - **Growth Signals**: - In June 2026, launched two major AI tools (AI Chat and Research Grid) [prnewswire.co.uk](https://www.prnewswire.co.uk/news-releases/9fin-launches-next-generation-of-ai-tools-for-debt-capital-markets-302794326.html) - Powers credit teams at 300+ leading global institutions [9fin.com](https://www.9fin.com/about) - Employs 350+ people globally [9fin.com](https://www.9fin.com/about) - Scaled globally with offices in London, New York, Hong Kong, and Belfast [9fin.com](https://www.9fin.com/about) ## Competitive Advantages - **AI-native foundation**: Built from the ground up with a decade of proprietary debt market data powering its AI, creating a strong moat. [9fin.com](https://www.9fin.com/about) - **Deep domain expertise**: Co-founders have backgrounds in investment banking (J.P. Morgan) and engineering (Deutsche Bank), and the platform is calibrated by in-house credit, distressed, and legal analysts with decades of experience. [9fin.com](https://www.9fin.com/about) - **Comprehensive data**: Unifies public, private, and distressed credit data in a single connected view, replacing multiple legacy tools. [9fin.com](https://www.9fin.com/) - **Trusted by the market**: Used by 80% of trading desks among top-tier institutions. [9fin.com](https://www.9fin.com/) ## Strategic Focus - **Current priorities and direction for growth**: Scaling globally and deepening the AI platform. The company is building "credit-specific AI agents that proactively monitor, draft and alert," moving from a source of intelligence to the platform where credit professionals get work done. [prnewswire.co.uk](https://www.prnewswire.co.uk/news-releases/9fin-launches-next-generation-of-ai-tools-for-debt-capital-markets-302794326.html) ## Why Work Here - **Culture highlights**: Emphasizes "true flexibility," "a culture of care," and the opportunity to "build at the edge" with the latest AI tools. The company values ambition and offers real opportunities to make an impact. [9fin.com](https://www.9fin.com/careers) - **Remote/hybrid/office policy**: Offers a flexible work model: "Work from home, or from one of our great offices around the world. We encourage time with your team, while giving you the flexibility when you need it." [9fin.com](https://www.9fin.com/careers) - **Notable perks or engineering culture**: - Enhanced parental leave, flexible hours, and sabbaticals. [9fin.com](https://www.9fin.com/careers) - Engineers, product, and AI teams own the full experience, from data architecture to interface, working closely with customers. [9fin.com](https://www.9fin.com/careers) - High growth trajectory with global scaling, providing real career advancement opportunities. [9fin.com](https://www.9fin.com/careers) ## Sources 1. [9fin Careers Page](https://www.9fin.com/careers) 2. [9fin About Page](https://www.9fin.com/about) 3. [9fin Homepage](https://www.9fin.com/) 4. [CB Insights Company Profile](https://www.cbinsights.com/company/9fin) 5. [PRNewswire - 9fin Launches Next Generation AI Tools](https://www.prnewswire.co.uk/news-releases/9fin-launches-next-generation-of-ai-tools-for-debt-capital-markets-302794326.html) 6. [9fin Jobs Portal (Ashby)](https://jobs.ashbyhq.com/9fin) ## Other roles at 9fin - [Senior Product Manager (Data APIs)](https://feeny.ai/job/senior-product-manager-data-apis-9fin-london-yn09v2f3v1n2) — London, United Kingdom - [AI Engineer](https://feeny.ai/job/ai-engineer-9fin-london-zvd8qn403sv0) — London, United Kingdom - [Senior AI Product Manager](https://feeny.ai/job/senior-ai-product-manager-9fin-london-36167q7fxwsh) — London, United Kingdom - [Senior Product Manager](https://feeny.ai/job/senior-product-manager-9fin-london-27cfg6ysm2y5) — London, United Kingdom - [Senior FP&A Analyst](https://feeny.ai/job/senior-fp-a-analyst-9fin-london-4v5zm05bfnpf) — London, United Kingdom - [Platform Engineer](https://feeny.ai/job/platform-engineer-9fin-london-rt9edb8qsb36) — London, United Kingdom - [GTM Enablement Specialist](https://feeny.ai/job/gtm-enablement-specialist-9fin-london-xcktzt4vdyj4) — London, United Kingdom - [GTM Enablement Specialist](https://feeny.ai/job/gtm-enablement-specialist-9fin-new-york-bh6qn2herrcw) — New York, NY - [Forward Deployed Banker](https://feeny.ai/job/forward-deployed-banker-9fin-london-99r6erwr4ejn) — London, United Kingdom - [Forward Deployed Investor](https://feeny.ai/job/forward-deployed-investor-9fin-london-3w8g0krfqc06) — London, United Kingdom