AI Engineer, Hedge Fund Startup

Central London - office based

£90-120k highly negotiable + discretionary bonus 50-100% of salary

An opportunity for an elite Applied AI Engineer to join a very small, topflight, AI team (2-6 people within a larger international group) with arguably the leading macro hedge fund. The bonus potential is unparalleled. The challenges genuinely interesting from a data perspective.

The Applied AI Engineer will design, develop, and implement AI/ML and large language model (LLM) solutions to support the firm’s research, trading, and decision-making activities. You will prize taking ownership of the work, devising your own plans, impacting directly on the forecast.  

Responsibilities:

• Design and implement AI/ML/LLM-driven models, tools, workflows, and agents to support investment professionals
• Research, prototype, productionise, and deploy software applications using Python
• Engage with domain experts to identify, evaluate, and execute high-value AI use cases
• Remain up to date with developments in AI/LLM technology and recommend relevant advancements

Requirements:

• 2-5+ years’ experience in an AI-focused enterprise/start-up
• Strong Python skills
• Strong practical experience in LLM concepts (context engineering, RAG, tool calling, workflows, multi-agent systems, MCP)
• Hands-on experience with frameworks like LangChain, Llamaindex, etc., vector stores, LLM APIs (e.g. OpenAI API, Anthropic API), and building MCP servers/clients
• Financial services/hedge fund experience is desirable

Above all we’re seeking incredibly smart, driven people.