San Francisco, CA; USA (Remote) Hybrid Full-time USD 160,000 – 235,000 / year

Affinity is hiring a Senior AI Engineer, AI Platform

Responsibilities

  • Build RAG systems: Architect, prototype, and deploy RAG pipelines, combining vector search, hybrid retrieval, reranking and contextual compression techniques.
  • Build LLM powered agent systems: Contribute to design and orchestration of multi-agent LLM systems using community frameworks and custom orchestration layers.
  • Solve complex problems: Work on a variety of information extraction, information storage and information retrieval problems for both structured and unstructured data.
  • Collaborate cross-functionally: Partner with cross-functional (product, infra, data engineering, and software engineering) to build robust, high-scale systems that underlie all of our data processing and ML Operations.

Requirements

  • 5+ years of experience in software engineering and/or Machine Learning experience in applying machine learning in production.
  • Hands on experience with LLM applications in production including prompt engineering and utilizing frameworks for online and offline evaluation
  • Experience with LLM assisted search, such as query understanding and augmentation, text2sql, and entity extraction
  • Experience with vector or graph databases
  • Experience with document chunking, embedding models, and context window optimization
  • Familiarity with metadata-based retrieval and re-ranking strategies
  • Hands on experiences with model evaluation metrics (e.g. perplexity, hallucination rate, factual consistency)
  • Familiarity with data security, versioning, and MLOps principles

Nice to Have

  • Experience with enterprise AI applications with strict compliance, audit, or legal requirements
  • Experience with dataset engineering, including data curation, augmentation, and synthesis, to assist ML model improvements.
  • Experience with multi-modal search
  • Experience with graph based recommendation systems, such as graph NN.
  • Experience with developing AI applications powered by agent-based systems
  • Experience with packaging, CI/CD and pipeline automation.

Benefits

  • Health Benefits: We cover your medical, dental, and vision insurance premiums with comprehensive PPO, HDHP and HMO options (in CA), and offer flexible personal & sick days to support your well-being.
  • Retirement Planning: We offer a 401(k) plan to help you plan for your future.
  • Learning & Development: We provide an annual education budget and a comprehensive L&D program.
  • Wellness Support: We reimburse monthly for things like home internet, meals, and wellness memberships/equipment to support your overall health and happiness.
  • Team Connection: Virtual team-building activities and socials to keep our team connected, because building strong relationships is key to success.

Additional Information

  • We live our values: As owners, we take pride in everything we do. We embrace a growth mindset, engage in respectful candor, act as playmakers, and 'taste the soup' by diving deep into experiences to create the best outcomes for our colleagues and clients.
About company
Affinity
Affinity is a relationship intelligence platform that provides CRM solutions for venture capital, private equity, investment banking, and other financial sectors, leveraging AI and data enrichment technologies.
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Job Details
Department AI Platform
Category other
Posted 14 days ago