Project Lead, AI Model Training

About NewtonX

NewtonX is a B2B insights company trusted by the world's most innovative companies to make high-stakes decisions with confidence. We combine a verified network of business professionals with AI-powered research tools to deliver research intelligence faster, more precise, and more defensible than traditional methods.

Our clients include Google, Microsoft, TikTok, DoorDash, Stripe, and Coinbase. Our research has been cited by Fortune, Forbes, TechCrunch, Adweek, and the Wall Street Journal.

NewtonX has raised $47M from investors including Two Sigma Ventures, Third Prime, XFund, and Citi Ventures.

About the Role

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NewtonX is turning the world’s largest verified expert network into the evaluation, post-training, and audit data that enterprises and AI labs need to deploy AI in production. We build high-quality, expert-generated datasets that train and evaluate frontier AI systems — spanning domain eval sprints, custom data solutions, model behavior audits, agentic RL environments, and domain QA-as-a-service.

This business is taking off, and we are expanding our Delivery team to meet it. We are hiring a Project Lead to own client engagements end to end, from scoping through delivery, on our data operations platform. You will be the client’s point of contact and the person accountable for the operational execution and the quality outcome across a portfolio of concurrent projects — many of them complex agentic-workflow evaluations.

Our commercial team wins the business. From the moment it is won, it is yours: you scope it, configure it, run it, defend its quality, and deliver it. When a client asks how it is going, you are the person who answers. When the spec turns out to be wrong at scale, you are the person who fixes it.

You will be joining a small, early Delivery team, working closely with our ML Lead, annotator delivery team, commercial team, and product and engineering. Because the t