Market landscapes / Training Data / Expert Data & RL Environments for Frontier Labs
AfterQuery
Expert data curation for frontier AI models. AfterQuery captures how professional experts reason and think through complex problems, then structures that reasoning into high-quality training data for foundation model development.
Expert Data & RL Environments for Frontier Labs201-500 peopleafterquery.com ↗
Updated 9 November 2026
Hiring now
From AfterQuery's own jobs board, checked every week.
Hiring its own recruiters. With a recruiter and a talent coordinator on the list, it is preparing to hire at a faster pace.
It has 40 open roles, up from 22 in mid-July.
Where the roles are
Against its sector
AfterQuery has the third most open roles in Expert Data & RL Environments for Frontier Labs, after Mercor and Snorkel. 17 of the 67 active companies in this sub-sector are advertising roles.
Who AfterQuery competes with
The other active companies we file under Expert Data & RL Environments for Frontier Labs, sorted by how much they are hiring.
Where this fits
Expert-generated data and reinforcement learning environments, sold almost entirely to the frontier labs. It exists because the labs decided data produced by specialists was worth more than more volume scraped from the open internet.
We track hiring and team changes across all 174 companies in Training Data.
Our talent report for this sector shows how AfterQuery's team compares with its competitors.
What is in it:
- Every company's team size, side by side, grouped by sub-sector
- Who grew their team over the last year, and by how much
- Who is losing people: attrition for each company, against the sector average
- Who is hiring right now, and how many open roles each has
I am Ben Jackson. I map this market, and I hire the commercial teams inside it: sales, marketing, product and delivery.
If you are building a team at a company like AfterQuery, want to work at one, or think AfterQuery is filed in the wrong place, put 20 minutes in my diary.
Book 20 minutes with Ben →