Applied AI Engineer – Equities, End-to-End LLM Systems

Millennium Management LLC; Greater London; On-site; GBP 120,000 - 190,000; Full time

Job summary

Millennium seeks an Applied AI Engineer for Equities in London. You will translate PM problems into robust, production-ready AI solutions and own end-to-end LLM workflows for trading and research tasks.

Responsibilities include rapid prototyping, deployment, and continuous improvement, plus owning prompts, model selection, evaluation and deployment. A technical Master’s or Bachelor’s degree with 5+ years’ experience is required.

Qualifications

• Master’s or Bachelor's in a technical field with 5+ years of industry experience.
• Strong interpersonal and communication skills in a fast-paced environment.
• Knowledge of financial markets, particularly equities, with data/documents experience.

Responsibilities

• Engage directly with portfolio managers to advise on AI solutions.
• Design, build, test, deploy, and own LLM-based workflows for PM workstreams.
• Rapidly prototype and iterate based on expert evaluation.
• Own end-to-end LLM architecture including prompts, model selection, evaluation.

Skills

AI engineering

Financial markets

LLM frameworks

Vector databases

Semantic search

Team collaboration

Education

Master’s or Bachelor’s degree in a technical field

Tools

LLM platforms

Vector databases

Job description

Millennium seeks an Applied AI Engineer for Equities in London. You will translate PM problems into robust, production-ready AI solutions and own end-to-end LLM workflows for trading and research tasks.

Responsibilities include rapid prototyping, deployment, and continuous improvement, plus owning prompts, model selection, evaluation and deployment. A technical Master’s or Bachelor’s degree with 5+ years’ experience is required.