RBF Capital, LLC

RBF Capital, LLCRBF Capital, LLCRBF Capital, LLC

RBF Capital, LLC

RBF Capital, LLCRBF Capital, LLCRBF Capital, LLC
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    • Lead AI Platform Engineer
    • Financial Engineer
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      • Lead AI Platform Engineer
      • Financial Engineer

  • Home
  • Job Postings
    • Lead AI Platform Engineer
    • Financial Engineer

Lead AI Platform Engineer Description

The Opportunity

Join a boutique quantamental hedge fund with a 30-year winning track record 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. 

What You'll Build

Design and build a data lake processing market data, SEC filings, and alternative data sources. The platform will use ML analytics and natural language interfaces to make information instantly searchable.

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: data engineers, backend system specialists, platform developers
  • 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 rigorous 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 technology 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.

San Francisco-based, full-time position with comprehensive benefits and collaborative work environment.

Please apply below by attaching your CV and a brief cover letter outlining why you're a strong fit for the Lead AI Platform Engineer role.

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