Founding MTS - Data Platform ($150k-$300k + Equity) at well-funded AI research startup

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

Job Title

Founding MTS - Data Platform

Salary

$150k-$300k + Equity

Company Description

Well-funded AI research startup

Job Description

Join a high-intensity stealth team as a founding technical member building next-generation AI simulation platforms. You will blend research, engineering, and product ownership to develop proprietary models that predict complex outcomes for global leaders. This role is a launchpad for future founders, operating at the frontier of automated data curation and analysis.

Location

San Francisco, USA

Why this role is remarkable

• Join a stealth-stage venture that has achieved significant revenue growth in its first year through organic client referrals.
• Work alongside an elite founding team from premier consulting firms, big-tech engineering hubs, and top-tier research institutions.
• Operate with massive autonomy in a high-density, in-person environment designed for rapid iteration and technical excellence.

What You Will Do

• 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.

The ideal candidate

• Strong machine learning and data engineering foundations with a track record of shipping production-scale systems at premier software firms.
• High-intensity work ethic with the ability to learn rapidly and operate with significant scope in a fast-paced environment.
• Low-ego, first-principles thinker who enjoys collaborating in-person and elevating teammates within a high-talent density culture.