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Confidential company

Job listing

London, United KingdomNot Disclosed

Head of AI/ML Engineering at Fast-growing consumer fintech startup

Are you ready to lead the AI strategy for a major consumer fintech? We are looking for a Head of AI/ML Engineering to scale a team of 15+ MLEs and rearchitect a massive conversational platform using cutting-edge AI agents and LLMs. With access to nearly a decade of proprietary chat data and a direct line to executive leadership, you will have the autonomy to define how millions of people interact with their finances. If you have a PhD in NLP or Transformers and a bias for shipping high-impact products, this is the career-defining role for you.

Overview

Role overview

Lead the evolution of a world-class conversational interface for millions of users. You will spearhead the transition from LLM integration to advanced AI agents, rearchitecting the core chat system to drive deeper engagement. Managing a growing team of over 15 MLEs, you will define the technical strategy for state-of-the-art production LLMs.

Company

About the company

Fast-growing consumer fintech startup

Responsibilities

What you will do

  • Define and execute the strategy for deploying advanced LLMs and AI agents into a high-traffic production environment.
  • Manage and mentor a growing chapter of Machine Learning Engineers, including senior leadership and principal-level talent.
  • Drive cross-functional collaboration with product and engineering leads to identify new opportunities for AI-driven user retention.

Candidate profile

Who this is a fit for

  • Extensive experience leading large ML teams (10+) and managing managers within fast-paced, high-growth AI or tech companies.
  • Deep technical expertise in LLMs, Transformers, and Natural Language Processing, likely backed by a relevant PhD or research background.
  • Proven track record of moving beyond research to ship commercial products that significantly improve user engagement and business metrics.

What makes it remarkable

Why this role is remarkable

  • Access eight years of proprietary conversational data to build sophisticated, highly personalized financial AI agents at scale.
  • Influence the entire product roadmap by reporting directly to the VP of Tech and collaborating with the CEO.
  • Lead a high-talent bar team of Principal Engineers and scale the function to over 35 people this year.

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