Senior AI Engineer — Legal Document Intelligence

9fin Limited; Greater London; Hybrid; GBP 80,000 - 100,000; Full time

Benefits offered by this job

Competitive Salary

Equity

Pension matching up to 7%

Private Medical Insurance

Paid sick leave

Group Life Assurance

25 holiday days per year

Professional learning budget

AI experimentation budget

Job summary

9fin Limited, a leader in AI for global debt markets, is seeking a Senior AI Engineer. In this role, you will design AI applications to convert complex financial and legal documents into structured, reliable data, while also leading model development and collaborating across teams.

Ideal candidates have deep expertise with legal documents, solid experience in extracting structured data, and proficiency in AI technologies. Enjoy a competitive salary and flexible hybrid working arrangement in a rapidly growing startup.

Qualifications

• Deep experience working with complex legal and financial documents.
• Expertise in extracting structured data from long, complex documents.
• Strong understanding of document structure and common patterns.
• Experience applying LLMs to high-precision extraction tasks.
• Ability to design verification and reconciliation workflows.
• Experience building labeled datasets and annotation frameworks.
• Strong understanding of retrieval and context for long-document reasoning.
• Familiarity with leveraged finance and debt capital markets.
• Ability to build and operate extraction pipelines.

Responsibilities

• Design and build generative AI applications tailored to workflows.
• Drive end-to-end model development lifecycle.
• Collaborate cross-functionally to share ideas and elevate teammates.
• Translate complex problems into well-defined scoped bets.
• Learn and apply groundbreaking research in AI.
• Share compelling ideas with the team and organization.

Skills

Legal Document Intelligence

Information Extraction

Document Understanding & NLP

LLMs for Structured Extraction

Data Quality & Validation Systems

Training Data & Annotation

Retrieval & Context Engineering

Financial & Legal Domain Knowledge

Production ML Engineering

Python proficiency

AWS's AI infrastructure

Job description

9fin Limited, a leader in AI for global debt markets, is seeking a Senior AI Engineer. In this role, you will design AI applications to convert complex financial and legal documents into structured, reliable data, while also leading model development and collaborating across teams.

Ideal candidates have deep expertise with legal documents, solid experience in extracting structured data, and proficiency in AI technologies. Enjoy a competitive salary and flexible hybrid working arrangement in a rapidly growing startup.