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Senior AI Engineer

9finLondonData & AI
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Salary
Not listed
Job type
Full-time
Posted
10 Jul 2025
Status
Open · checked 7d ago

About this role

The Senior AI Engineer position at 9fin in London is a full-time opportunity focused on building large-scale, AI-powered systems for the global debt markets. This role suits an experienced engineer with a strong background in Python, AWS, and advanced machine learning techniques who wants to accelerate AI adoption across products and teams.

Role Overview

9fin is expanding its Data Science team and seeks a Senior AI Engineer to design and deliver groundbreaking artificial intelligence applications in London. In this position, the professional will build large-scale systems, work with state-of-the-art models, and tackle complex financial and legal workflows. The environment is fast-paced and startup-style, offering opportunities to drive end-to-end model development and mentor team members.

Key Responsibilities

Design and construct generative AI applications tailored for complex legal and financial workflows using advanced models.
Own the entire model development lifecycle, leading best practices in reproducible research, delivery, and deployment.
Collaborate across departments to understand business challenges, share ideas, and mentor colleagues.
Translate intricate problems into well-defined projects within a dynamic internal startup atmosphere.
Research and apply cutting-edge methodologies with an iterative, fast-learning mindset.
Champion the integration and adoption of artificial intelligence throughout the organization.

Requirements

Strong proficiency in Python for production-ready software delivery.
Deep expertise in at least one key technical area, with familiarity across others, including information retrieval, entity extraction, knowledge graphs, recommendation systems, tabular machine learning, or statistical predictive modeling.
Comprehensive understanding of the generative AI landscape and agentic frameworks.
Practical experience managing the full model lifecycle encompassing experimentation, training, testing, monitoring, and deployment.
Strong product focus with a desire to evaluate the end-user impact of developed solutions.
Good knowledge of AWS artificial intelligence infrastructure.

Skills and Tools

Python
AWS
Computer Vision
Generative AI and Agentic Frameworks
Information Retrieval and Knowledge Graphs
Statistical and Predictive Modelling

Salary and Benefits

Competitive salary benchmarked at the top end of the market alongside company equity.
Pension scheme with minimum contributions of 4% and matching up to 7%.
Private medical insurance, group life assurance, and paid sick leave with income protection.
Season ticket loan and cycle to work schemes.
25 days of annual leave plus local public holidays, with options to exchange alternative days.
Hybrid working model and the ability to work abroad for up to 3 months a year.
One month of paid sabbatical after 5 years of service, plus enhanced parental leave.
Professional learning and development budget, alongside an £800 annual AI experimentation budget.
Regular quarterly socials, as well as annual summer and winter company events.

About the Company

9fin operates as an artificial intelligence platform supporting global debt markets, which constitute a massive asset class that traditionally relies on fragmented data and manual processes. The company replaces outdated infrastructure by centralizing proprietary credit data and deep analysis for over 300 blue-chip institutions worldwide. Experiencing rapid international expansion, 9fin offers a collaborative, fair, and inclusive workplace dedicated to helping every team member reach their full potential.

How to Apply

Interested candidates should visit the official 9fin careers page to submit their application for the Senior AI Engineer position.

Skills and tech stack

Questions candidates ask

Where is the Senior AI Engineer position located?

The role is based in London, operating under a hybrid working model.

What core technical skills are required?

Candidates must have strong Python proficiency, familiarity with AWS AI infrastructure, and deep expertise in areas such as information retrieval, knowledge graphs, recommendation systems, or predictive modeling.

What financial perks and benefits are included?

Benefits include a competitive salary, equity, a matched pension scheme up to 7%, private medical insurance, group life assurance, and an AI experimentation budget of £800.

What time off policies does the company offer?

Employees receive 25 days of annual leave plus public holidays, the ability to work abroad for up to 3 months annually, a 1-month paid sabbatical after 5 years of service, and enhanced parental leave.

How can I apply for this job?

You can apply directly on the official 9fin careers page.

Ready to apply?

The application is on the official 9fin careers page.

Apply on company site