AfterQuery
AfterQuery is a frontier data provider for foundational AI labs.
About AfterQuery
AfterQuery is helping push the frontier of LLMs and AI Agents through novel datasets and experimentation. We work on building the most complex infrastructure that powers frontier data creation for agentic and hard reasoning workflows. We work the leading AI labs and are becoming the go-to partner for data infrastructure for YC companies. We have a sharp hockey stick growth rate and are extremely talent-dense, with most of our founding team coming from top IB and quant firms.
Open positions (27)
Strategic Projects Lead
Quality Control Lead
Senior Software Engineer, Infrastructure & Platform
Strategic Projects Lead
Strategic Projects Associate
Software Engineer Intern
Technical Strategic Projects Associate
Business Recruiter
Strategic Projects Lead - Engineering
Technical Recruiter
Corporate Counsel
Research Scientist - Post-Training
Strategic Projects Lead- Healthcare
Marketing Lead
Software Engineer - Hiring Infra (LatAM)
Software Engineer – Marketplace
Strategic Projects Lead- AI Safety
Software Engineer - Applied AI / Platform
Data Acquisition Lead
Technical Strategic Projects Intern
Technical Strategic Projects Lead
Strategic Projects Intern
Strategic Projects Lead - Coding
Strategic Projects Associate - Coding
RL Engineer
Software Engineer (SWE)
Strategic Projects Lead (Legal)
Company details
Funding
Total raised
$34M
Last stage
Series A
Investors
Founders
Danny Tang
Building AfterQuery. He was previously a student at Wharton and interned at Morgan Stanley where he worked on the largest IPO of 2024. Built and sold a startup with Spencer, in high school.
LinkedIn
Carlos Georgescu
Building AfterQuery. Previously interned at Citadel Securities (2x), Meta & Google as a software engineer. Past acquired ed-tech founder. Studied for a B.S. in Computer Science from the University of British Columbia.
LinkedIn
Spencer Mateega
Building AfterQuery. Previously interned in technology private equity at Silver Lake, technology investment banking at Morgan Stanley, and software engineering at Meta and Google. B.S. in Finance and Statistics at Wharton and a M.S. Computer Science at Penn.
LinkedInWhat happens next.
No applications, no recruiter spam. Just the intro.
Confirm the fit
A few questions to make sure this role is the right shape for you. Two minutes.
I pitch you to the company
I write the intro, send it to the founder, and handle the back-and-forth.
A meeting lands on your calendar
If they’re a yes, I book the chat. You show up — that’s the whole job-hunt.