9fin

9fin is the faster, smarter way to find debt market intelligence. Through an AI-powered data and analytics platform, 9fin centralises everything that's needed to analyse a credit or win a mandate in…

9fin.com

9fin

9fin.com

HQGB

Team Size469

Open Jobs9

Total Funding$259M

Latest FundraiseUnknown

TL;DR

What they do: AI-powered data and analytics platform for debt capital markets and credit analysis

Founded / HQ: 2016; London, United Kingdom

Founders / Leadership: Steven Hunter (CEO) and Huss El‑Sheikh (CTO & Co‑founder)

Recent funding: $170M raise announced Mar 31, 2026; prior $50M Series B (Dec 2024)

Employees: Approximately 469

Company Overview

Problem Domain

Debt capital markets intelligence and credit analysis

Founded

2016

Industry

Financial Services

Funding Track Record

Series B- 2024-12-02

50000000

Announced Series B to fund US expansion and product growth

- 2026-03-31

170000000

Announced $170M raise at $1.3B valuation

Investor Signal

“Highland Europe, Spark Capital, Redalpine, Seedcamp, 500 Global and Fly Ventures are listed as investors”

Founders

What we do

Join the Team

Senior Product Engineer

On-SiteGB

On-Site • GB

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About 9fin

The world's largest asset class, debt, operates with the worst data.

Technology has revolutionized equity markets with electronic trading, quant algos and instantaneous news. However, in debt capital markets, the picture is completely different. It still behaves like it’s in the 1980s; trillions of dollars of trades are placed over the phone, news is slow, and corporate credit information is imperfect and scattered.

Our mission is to change this.

9fin's proprietary technology delivers fast and comprehensive financial, credit, legal&ESG analysis. Our clients are able to make faster, more informed decisions, win more business and most importantly, save time.

Our fast growing list of clients include 9 of the top 10 Investment Banks, leading Asset Managers, Hedge Funds and Law Firms.

The Onboarding & Activation team is focused on revolutionizing the initial user experience at 9fin to drive significant growth and revenue. We're directly addressing the challenge of transforming our trial conversion rate, by ensuring new users immediately grasp the immense value of our global, multi-product platform. This involves deeply understanding varied user journeys, streamlining complex onboarding processes, and enhancing feature adoption so that our powerful platform becomes instantly intuitive and valuable for time-pressed financial professionals in the fixed income industry worldwide.

What you’ll work on

Every day is different, but here’s an example of the kind of things you’ll work on:

Use your technical skills to lead projects that solve real customer problems that yourself and your team find on our customer facing platforms and onboarding flow and to improve key metrics for the team in a fast iterative way.

Our Tech Stack

React via Typescript & Vite
React query
Jest, React Testing Library, Playwright
Production workloads on AWS using ECS & lambda serverless functions & event based architectures.
Typed Python for APIs & Data.
Flask & FastAPI
We 💙Postgres!

About You

This role will be a great fit if you:

Our 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.

UK BENEFITS

Financial & Insurance

Competitive Salary(our salary bands are benchmarked at the top end of the market)
Equity options
Pension (your minimum contributions are 4% with 9fin matching up to 7%)
Private Medical Insurance & Dental 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
Bi-annual engineering hackathons
Summer and Winter company social events
Travel & accommodation budget for social attendance if living far from London

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.

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Collaborate with product managers & UX designers to discover user pain points through user interviews, journey mapping, competitor analysis, focus groups and data analysis.

Release code into production continuously using techniques such as feature flags to safely release incrementally to users.

Craft code that meets high quality standards for style, maintainability, and best practices. Maintain and advocate for these standards throughout the engineering org through collaboration with other engineers and code review.

Share and contribute to the product vision to focus on allowing 9fin’s platform to scale with our company ambition.

Run multiple experiments on different parts of our onboarding funnel to validate hypotheses of how the changes will impact conversion and product engagement rates.

Take on the technical leadership to plan, design and build new functionality and systems by creating quick proof of concepts to get fast and actionable feedback.

You will also play a part in mentoring other developers including more junior colleagues to impart knowledge and build their skills.

Write high quality documentation and implement user & system metrics and observability as you go to continually learn, assess and improve 9fin’s platforms and products.

Are someone who has a product mindset and loves sharing ownership of our client facing product with the rest of the team to collectively make product decisions and build a product that solves user needs and create a product they love having as part of their workflow.

You excel at transforming product designs into functional and beautiful user interfaces, driven by a passion for creating delightful customer experiences.

A highly analytical technologist, who prioritises user experience and is experienced in translating user needs into software improvements.

A strong communicator, who can present to team members and stakeholders (technical and non-technical) how you & your team’s ideas will improve our user’s experience on the platform as well as the wider technical advantages and trade offs of your solution.

Experienced with multiple programming languages within the backend and frontend stack.

Uses metrics extensively to measure the success of new software changes and functionality against team KPIs.

Can empathise with our users and how they interact with the product to find pain points and ideate a better experience for them

Collaborates well with business colleagues, other engineers, UX Designers and Product managers to collectively lead product innovation achieved via fast delivery and frequent feedback iterations.

Grows the skills and experience of others in the team in collaboration with our engineering managers using your technical knowledge, experience and team work.

Proactively identified tech debt and developer experience improvements and champions frontend technical improvements and initiatives within your team and across multiple teams with the guilds.

Can effectively advocate for software development best practices, including documentation, testing, code readability, and efficiency, in order to positively influence. team outcomes and promote a culture of excellence within the development process.

Capable of evaluating new technologies by presenting proof-of-concepts that highlight their advantages and disadvantages and how they can be applied in a real world scenario at 9fin.