
The data platform for inference. Build, deploy, and iterate faster with Chalk's feature engine.

The data platform for inference. Build, deploy, and iterate faster with Chalk's feature engine.
Product: Real-time feature platform for ML/AI (managed or self-hosted) focused on low-latency inference
Founders / CEO: Marc Freed-Finnegan (Co‑Founder & CEO), Elliot Marx, Andy/Andrew Moreland
Recent financing: $50M Series A announced May 28, 2025
Headquarters: San Francisco
Production ML/AI inference and feature engineering
Software Development
$50M
Announcement states $50M Series A with participation from Triatomic Capital, General Catalyst, Unusual Ventures, and Xfund; reported $500M valuation in announcement.
“Led by Felicis with participation from Triatomic Capital, General Catalyst, Unusual Ventures, and Xfund”
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About Chalk
Chalk is building the data platform that powers the future of machine learning applications. We tear down complexity, latency, and scale barriers that have traditionally constrained ML capabilities. Our platform combines Rust-speed performance with elegant tools that developers love to use. Leading companies depend on Chalk for everything from stopping fraudulent credit card swipes, verifying identities, and maximizing clean energy capture. We've recently raised a $50 million Series A , led by Felicis.
About the role
As a Support Engineer at Chalk, you'll be our front-line technical support expert, ensuring customers have exceptional experiences with our products. You will work directly with clients across industries like finance, healthcare, and e-commerce, helping them troubleshoot and optimize their usage of Chalk's platform. This role offers a unique opportunity to deeply understand our technology, partner closely with our Engineering and Forward Deployed Engineering teams, and significantly impact customer satisfaction and product quality.
What you will do
What we're looking for
Bonus points
Compensation
Chalk offers early team members a generous salary + equity package based on experience and competitive benefits.
Actual compensation awarded to successful candidates will be based on several factors, including market, location, scope of the position and individual qualifications objectively assessed during the interview process.
Our comprehensive total package plays a major role in how we recognize individuals for the impact they will have on Chalk’s growth and us achieving our goals.
Inclusivity
Chalk is an equal opportunity employer. We value diversity and inclusion and provide reasonable accommodations to anyone in need of individualized support.
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