Senior Staff Applied AI Engineer - Context Retrieval

Databricks Databricks · Data AI · Mountain View, CA +1 · Engineering

Senior Staff Applied AI Engineer focused on context retrieval for Databricks agents. The role involves building the retrieval stack (query understanding, content understanding, ranking, retrieval, evaluation) and search subagents that reason about context retrieval for enterprise SaaS data. This is a zero-to-one role requiring deep Information Retrieval expertise and experience shipping RAG and agentic workloads.

What you'd actually do

  1. Build the full retrieval stack from scratch.
  2. Retrieve across heterogeneous data — structured and unstructured.
  3. Connect to the SaaS surface area customers actually use.
  4. Optimize for two consumers at once.
  5. Crack query understanding for agents.

Skills

Required

  • 10+ years of software engineering experience
  • significant time spent building production retrieval, search, or RAG systems at scale
  • Deep Information Retrieval (IR) expertise
  • lexical retrieval (BM25, Lucene/Elasticsearch/OpenSearch)
  • dense retrieval (embeddings, ANN indexes — FAISS, ScaNN, HNSW)
  • hybrid retrieval
  • learning-to-rank
  • Hands-on experience with modern LLM-era retrieval
  • RAG architectures
  • query rewriting
  • re-ranking with cross-encoders
  • long-context strategies
  • grounding techniques that reduce hallucination
  • Experience designing agentic systems on top of retrieval
  • search planners
  • multi-hop / iterative retrieval
  • self-reflection and sufficiency checks
  • tool-using agents that decide what to fetch and verify what came back
  • Strong grasp of relevance evaluation
  • nDCG, MRR, Precision@K, Recall@K
  • offline/online experimentation
  • LLM-as-judge frameworks
  • building human labeling pipelines
  • Experience working across structured and unstructured data
  • Track record of building 0→1
  • Demonstrated ability to operate as a technical leader
  • setting direction across teams
  • mentoring senior engineers
  • influencing roadmap with research, product, and platform partners

Nice to have

  • Experience building retri

What the JD emphasized

  • Build the retrieval stack
  • Build the search subagents
  • zero-to-one role
  • full retrieval stack from scratch
  • retrieval systems at scale
  • agentic systems on top of retrieval
  • building 0→1

Other signals

  • Build the retrieval stack
  • Build the search subagents
  • Information Retrieval wisdom
  • shipped retrieval systems for RAG and agentic workloads
  • zero-to-one role