Founding Data Platform Engineer - AI Simulation

Jack & Jill; San Francisco (CA); On-site; USD 150,000 - 300,000; Full time

Job summary

Jack & Jill is seeking a founding MTS for a data platform to join a stealth-stage AI startup in San Francisco. You will blend research, engineering, and product ownership to build proprietary models that power global decision-making. This launch role offers high autonomy and a path toward future founders.

You will architect data gathering systems, guide post-training improvements, and collaborate with an elite founding team to push the frontier of automated data curation and analysis.

Qualifications

• Strong ML and data engineering foundations.
• Experience shipping production-scale systems.
• Willingness to work in a high-intensity, in-person environment.

Responsibilities

• Collaborate with principals to define and architect novel AI products that transform how strategic decisions are analyzed and executed.
• Develop advanced data gathering systems utilizing voice agents and long-horizon research agents to power simulation engines.
• Execute post-training and optimization of proprietary models to improve automated curation and continuous data analysis pipelines.

Skills

ML foundations

Data engineering

Production systems

Job description

Jack & Jill is seeking a founding MTS for a data platform to join a stealth-stage AI startup in San Francisco. You will blend research, engineering, and product ownership to build proprietary models that power global decision-making. This launch role offers high autonomy and a path toward future founders.

You will architect data gathering systems, guide post-training improvements, and collaborate with an elite founding team to push the frontier of automated data curation and analysis.