Senior Machine Learning Engineer, Agentic Context Retrieval and Search (Nova)
Iterable · Posted Nov 6, 2026
- Remote, United States
- Remote
- Full-time · Senior
- 5+ years
Responsibilities
- Build retrieval across structured and unstructured data using source signals
- Build semantic query understanding for agents including rewriting, decomposition, intent classification, and entity resolution
- Build pipelines that extract entities, embeddings, summaries, and metadata from customer data
- Build search subagents that decide what to retrieve, run multi-hop searches, check result quality, and flag failures
- Measure quality with ranking metrics, LLM judges, human labels, and online tests
Requirements
- Master's or PhD in Computer Science, Machine Learning, AI, or a related field
- Nice to have: LLM APIs from Anthropic, OpenAI, Google
- Nice to have: Tool calling
- Nice to have: Prompt caching