About this opportunity
RBF Capital, LLC lists this Lead AI Platform Engineer opportunity in san francisco, California. Review the employer’s description below for duties, qualifications and application requirements.
Job description
Overview
Join a boutique quantamental hedge fund as our Lead AI Platform Engineer. Spearhead the buildout of a new internal data lake and platform. Build AI/ML-powered systems and hire, onboard, and manage a small team. Disrupt a mature industry and redefine how our strategies are executed.
Your Role
Technical Leadership
Design data platform architecture with ingestion pipelines, storage layers, and modern stacks
Build ML workflows for automated analysis and pattern recognition
Integrate RAG, LLMs, and AI tools for document processing and querying
Team Management
Hire and onboard/manage 3-5 specialists across data engineering, backend, and ML research
Work with the existing team to integrate new capabilities and manage project deliverables
Required Experience
6+ years building ML data platforms, deploying models, and feature engineering
Demonstrated proficiency in LLM fine-tuning, system prompting, and multi-agent frameworks (e.g., LangChain, LangGraph, or CrewAI)
Strength in time-series forecasting, gradient-boosting models, and data-normalization pipelines
Advanced SQL, Python, Cursor, RAG, distributed computing with database scaling expertise
Team leadership and project-delivery experience with a proven track record of selecting and evaluating optimal technology stacks
Deep NLP expertise for extracting insights from unstructured text
Enterprise AI integration with relational and vector databases
Why This Role Matters
You'll leverage and enhance our internal IP and time-tested processes to extend our 30-year winning track record in public markets.
What We Offer
Competitive salary plus equity participation in fund performance
Full technical authority with executive backing and budget for team hiring and tech investments
Opportunity to build from scratch at a profitable, growing fund
Next Steps
We need someone who can start immediately and take ownership of this project. The ideal candidate has built similar platforms and is excited about applying ML to financial data.
If you’re a strong fit, apply on our website ( or email your resume to
San Francisco-based, full-time position with comprehensive benefits and collaborative work environment.
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Worksite address
san francisco, CA, 94199, US
Who can apply
Review the original listing for work authorization, qualifications and employer requirements.