AI Engineer Lead

Millennium
London
We are working on different areas where AI/ML can help portfolio managers, researchers, risk managers, and other functions. Some examples are: enabling traders/researchers to consume vast amounts of research and literature by organizing, summarizing information, sometimes in near real-time, doing quantitative modeling to price instruments, modeling demand and supply of commodities and other fundamentals, modeling weather & optimizing algorithmic execution of trades and modeling and building simulations of risk, to name a few.

The AI/ML work spans usage of LLMs, deep learning, reinforcement learning and other ML techniques. The work also requires building AI/ML infrastructure for data wrangling, building feature stores, building frameworks for deployments, measurements, re-training, etc.

We are seeking an AI Engineering Lead who has experience with LLMs, deep learning, reinforcement learning, as well as an interest and ability to keep up with advancements in AI/ML. The candidate should also be strong in software engineering and be comfortable with AI/ML experimentation and productionization.

Key Responsibilities

  • Lead and mentor a team of AI/ML engineers
  • Define technical vision and roadmap for AI/ML initiatives
  • Partner with stakeholders including portfolio managers, quants, and business teams to identify high-impact opportunities
  • Architect and build scalable AI/ML solutions from experimentation to production
  • Design AI/ML infrastructure including feature stores, deployment frameworks, and monitoring systems
  • Establish best practices for model development, deployment, and evaluation
  • Stay current with AI/ML advancements and apply them to business problems
  • Drive hiring and professional development of team members

Required Qualifications

Technical

  • Deep expertise in AI/ML including LLMs, deep learning, and reinforcement learning
  • Strong computer science fundamentals
  • Expert in Python and at least one other language (Java, C++, C#, etc.)
  • Experience with cloud platforms (AWS, Azure, or Google Cloud)
  • Hands-on experience with LLM techniques: prompt engineering, fine-tuning, PEFT, RAG
  • Track record of building and deploying AI models at scale
  • Experience with MLOps and production ML infrastructure

Leadership

  • 3+ years leading AI/ML engineering teams
  • Proven ability to mentor engineers and grow talent
  • Strong communication skills with technical and non-technical stakeholders
  • Experience delivering complex projects on time
  • Comfortable balancing hands-on technical work with team leadership

Preferred Qualifications

  • Advanced degree (MS/PhD) in Computer Science, AI, ML, or related field
  • Experience in financial institutions or fintech
  • Background in reinforcement learning, quant modeling, or algorithmic trading
  • Publications, patents, or open-source contributions in AI/ML
  • Experience building AI/ML platforms from scratch
Posted 2026-01-18

Recommended Jobs

Senior Nursery Practitioner

Storal
Romford, Greater London

Nursery: The Learning Tree Nursery School, Romford, Essex, RM1 2QP Hours: Full Time, Monday to Friday Salary: £14.05 - £14.40 per hour (depending on experience and qualifications) Benefits:…

View Details
Posted 2026-01-17

Specialty Dr Required for Forensic unit in London

Pulse
London

Job Title: Specialty Doctor in Forensic Psychiatry Grade: Specialty Doctor Location: London Working Hours: 37.5 hours per week Rate: Competitive, to be discussed upon application …

View Details
Posted 2025-09-08

Nanny for school pick-ups, Job ID J1F41D

Little Ones UK Ltd
Archway, Greater London

This lovely family based in Archway, London, is seeking an Afterschool Nanny to support their three school-aged daughters. The role includes school pick-ups from South Hampstead and afternoon care at…

View Details
Posted 2025-12-27

Teacher of Biology required - Haringey Independent School

Marchant Recruitment
London

School Status & Location Sector: Well-Regarded All-Through Independent School (3-18). Borough: Haringey (Inner London, England). Start Date: Permanent, full-time role commencing April 2026. …

View Details
Posted 2026-01-10

Information Security Consultant

Protection Group International
London

Call for Contractor CVs: Information Security Consultant  PGI is seeking experienced Information Security Consultants to join our contractor pool. PGI is a global consultancy supporting organi…

View Details
Posted 2025-12-06

Assistant Development Manager

Excelcare Holdings
Bromley, Greater London

Assistant Development Manager. Bromley, Kent. Up to 40k. We're looking for a dynamic, proactive and detail oriented Graduate / Assistant Development Manager to support the delivery of development …

View Details
Posted 2025-11-24

Principal Toxicologist

Rimkus
London

OVERVIEW: The candidate would be expected to evaluate claims of human health effects associated with exposure to chemicals, microbial agents (mold) or other toxicants in consumer products, pharmac…

View Details
Posted 2026-01-18

Paid Media Strategist

Sphere Digital Recruitment
City of London, Greater London

Paid Media Strategist - London (Hybrid) A leading recruitment marketing agency is hiring a Digital Media Strategist to plan, activate and optimise multi-channel paid campaigns. This role is a great…

View Details
Posted 2025-12-26

Part Time Human Resources Business Partner

Bruin Financial
London

42983 Part-Time Human Resources Business Partner (Succession to Head of HR) Location: London / Hybrid (2–3 days per week) Salary: Competitive + benefits About the Company Our client i…

View Details
Posted 2025-10-25