Senior AI Engineer

Company: 9fin
Apply for the Senior AI Engineer
Location: London
Job Description:

Overview

In this role you will build large-scale AI-powered systems to transform debt and legal workflows. You will lead end-to-end model development, from research to deployment, and mentor peers as AI capabilities scale across the company. You will work with cross-functional teams to translate complex problems into actionable projects and iterate quickly on innovative solutions. You will help push the adoption of AI at 9fin, delivering practical, high-impact ideas that improve decision-making and efficiency.

Pay / Benefits

  • Competitive salary
  • Equity
  • Pension with 7% employer contribution
  • Private medical insurance
  • Hybrid working model
  • Professional learning and development budget

Responsibilities

  • Design and build generative AI applications for financial and legal workflows
  • Drive end-to-end model development lifecycle including reproducible research and deployment
  • Collaborate cross-functionally and mentor teammates
  • Translate complex problems into scoped bets in a fast-paced internal startup style
  • Learn, apply and iterate on ground-breaking AI research with a fail-fast mindset
  • Advocate for widespread adoption of AI across the organisation

Key requirements

  • Strong proficiency in Python for production-ready delivery
  • Deep understanding of GenAI landscape and agentic frameworks
  • Hands-on experience in NLP, Information Retrieval stacks, and LLMs
  • Experience with full model lifecycle (experimentation, training, testing, monitoring, deployment)
  • Good knowledge of AWS AI infrastructure
  • Cross-functional collaboration
  • Mentorship and teamwork
  • Proactive idea sharing
  • Python (production)
  • GenAI / agentic frameworks
  • NLP

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Posted: October 1st, 2026