Hex
AI Research Engineer
$214K–$285K
New York +1 · Hybrid · Full-time · Posted Feb 11, 2026
- Location
- New York
San Francisco - Experience
- Production AI/ML experience required; no specific number of years stated.
About the job
Build and ship AI capabilities for Hex’s data science platform, including its context engine and Notebook Agent, through experimentation, model fine-tuning, and production infrastructure.
What you'll do
- Run experiments, fine-tune models, deploy AI infrastructure, and build and maintain experimentation tools.
- Develop AI product features, including capabilities for SQL generation and evaluation of agent threads.
- Partner with product teams on architecture and stack decisions, and ship experiences for data scientists and analysts.
What they ask for
- Experience putting AI/ML capabilities into production for real users; the posting says it is not seeking new graduates.
- Understanding of core MLOps and software architecture concepts for modern ML applications.
- Comfort working in Python and JS/TS, with openness to both.
- Experience maintaining a high bar for design, correctness, and testing.
Nice to have
- Strength in infrastructure aspects of MLOps.
- Enthusiasm for applying AI to business problems and interest in the data space.
Pay
$214,000 - $285,000 (base salary)
Tools
Python, JS/TS, Typescript, React, Apollo GraphQL, Redux, Express, Postgres
AI focus
Build and improve AI experiences for data workflows, including the context engine and Notebook Agent; run experiments, fine-tune models, deploy AI infrastructure, and evaluate agent threads.
Model-written summary · the original posting is authoritative