AfterQuery / LinkedIn · Jul 2026
AfterQuery introduced Atrium, a program offering companies payment for eligible private codebases to support data creation.
Research lab investigating the boundaries of AI capabilities.
Company research
Public company, workplace, funding, and market signals
Updated Aug 2, 2026
Overview
AfterQuery is a San Francisco applied research lab and AI-data company that captures expert reasoning, workflows, and institutional knowledge to create training data, evaluations, and reinforcement-learning environments for frontier AI labs and enterprises. It reports working with nearly 100,000 verified professionals and every leading AI lab, though those customer claims are company-reported.
Primary product
Expert-curated AI data infrastructure: supervised fine-tuning datasets, RL/RLHF data and rubrics, tool-calling and computer-use environments, custom evaluations, benchmarks, and enterprise AI data/agent implementations.
Founded
2025
Headquarters
San Francisco, California, United States
Team size
100-150
Work style
Flexible
Industry
Software Development / Artificial Intelligence
Sub-industry
AI training data, expert data, model evaluation, reinforcement-learning environments, and enterprise AI implementation
Offices
San Francisco, California, United States
Business model
B2B datasets and data licensing
Custom dataset creation
Enterprise AI consulting and implementation
Custom evaluations and benchmarks
Agent and RL environment deployment
Expert-network marketplace/data-production services
Funding
People & investors
Leadership
Co-Founder & CEO
Co-Founder & CTO
Nancy Fairbank
Head of Operations
Maggie Chao
Head of Business Operations and People
Jake Seaton
Head of Revenue
Amish Sethi
Research Lead
Michelle Choe
Content Strategy Lead
Winnie Wang
Founding Growth
Founders
Danny Tang
Co-Founder (reported by third-party company databases)
Work & culture
The company presents itself as research-driven, software-first, highly execution-oriented, and talent-dense, with an emphasis on owning data-creation tooling in-house rather than outsourcing. Careers materials target people from finance, consulting, quant trading, software engineering, research, and leading technology companies.
Work style
Flexible
Visa sponsorship
Limited
Compensation
Public YC job postings show approximately $90,000-$400,000 salary ranges for some roles and $7,000-$10,000 monthly for a LatAm infrastructure role. One LatAm posting states that US citizenship/visa is not required. No general company-wide compensation or US visa-sponsorship policy was found.
Benefits
Medical, vision, and dental insurance
401(k) with match
Daily UberEats stipends
Covered commutes
Wellness stipend
Equinox gym membership
Product & market
Pricing
Not publicly listed; appears to be negotiated enterprise pricing for off-the-shelf and custom datasets, evaluations, consulting, and deployments. Expert contributors are paid per project or task.
Differentiators
- —Verified practicing professionals and domain expertise across finance, software engineering, medicine, law, and other fields
- —Captures reasoning, tacit knowledge, decision-making, and realistic workflows rather than only prompt-answer pairs
- —Software-first, in-house data-creation and quality-control tooling
- —Combined datasets, benchmarks, RL environments, and enterprise implementation
- —Research-led benchmark and post-training work, including Terminal-Bench and SpreadsheetBench
Technology
Python
Docker/containerized environments
PyTorch
TensorFlow
Redis
Elasticsearch
Kubernetes
Terraform
SQL
GitHub
Tinker API
Harbor framework
Atlas annotation platform
Vector embeddings
Reinforcement learning and RLVR
Customers
Frontier AI labs and model developers (company reports every leading AI lab)
The Raine Group, for the Raine Search enterprise knowledge tool
Enterprises needing custom AI data, evaluations, workflows, or agent implementations
Nearly 100,000 verified professionals as expert contributors, rather than necessarily paying customers
Competitors
Scale AI
Labelbox
Surge AI
Turing
Mercor
Snorkel AI
HumanSignal
Scale & contact
Estimated revenue
$100M-$150M annualized revenue run rate; the $100M+ figure is company-reported and not audited
Estimated monthly visits
977.5K
Traffic estimate as of Jun 2026
Latest news
AfterQuery blog · Jun 2026
Significant company commentary on enterprise AI deployment trends and how AfterQuery’s data/context approach fits the evolving market.
AfterQuery · Apr 2026
AfterQuery detailed Raine Search, a semantic search and institutional-knowledge system built from Raine’s precedent materials, taxonomies, and workflows using AfterQuery tooling.
Business Wire · Apr 2026
AfterQuery announced a $30M Series A led by Altos Ventures at a $300M valuation, with participation from The Raine Group, Y Combinator, and BoxGroup; the company said it had exceeded a $100M annual revenue run rate.
AfterQuery · Apr 2026
The company described its expert-data strategy, nearly 100,000 verified professionals, software-first data creation, and support from Altos, Raine, YC, BoxGroup, Latitude Capital, and prominent AI-sector angels.
Jobs and careers at AfterQuery
38 jobs at AfterQuery
Research Scholar
On-site
Research
San Francisco; San Francisco, California, United States
3d ago
On-site
Full-time
Research Fellow
On-site
Research
San Francisco; San Francisco, California, United States
3d ago
On-site
Full-time
Research Scientist – Frontier Evaluations
On-site
Research
San Francisco; San Francisco, California, United States
1w ago
On-site
Full-time
Strategic Projects Lead - STEM
On-site
Operations
San Francisco; San Francisco, California, United States
2w ago
On-site
Full-time
Corporate Counsel
On-site
Internal Ops
San Francisco; San Francisco, California, United States
2w ago
On-site
Full-time
Software Engineer - Growth
On-site
Engineering
San Francisco; San Francisco, California, United States
2w ago
On-site
Full-time
Strategic Projects Lead: Consulting
On-site
Operations
San Francisco; San Francisco, California, United States
2w ago
On-site
Full-time
Quality Control Lead
On-site
Operations
San Francisco; San Francisco, California, United States
2w ago
On-site
Full-time
Data Acquisition Lead
On-site
Operations
San Francisco; San Francisco, California, United States
2w ago
On-site
Full-time
Strategic Projects Lead - Chemical Engineering
On-site
Operations
San Francisco; San Francisco, California, United States
2w ago
On-site
Full-time
Research Technical Program Manager
On-site
Research
San Francisco; San Francisco, California, United States
3w ago
On-site
Full-time
Research Engineer
On-site
Research
San Francisco; San Francisco, California, United States
3w ago
On-site
Full-time
Strategic Projects Lead - AI Safety
On-site
Operations
San Francisco; San Francisco, California, United States
1mo ago
On-site
Full-time
Strategic Projects Lead - Legal
On-site
Operations
San Francisco; San Francisco, California, United States
1mo ago
On-site
Full-time
SWE (LATM)
Remote
Engineering
San Francisco (Remote); San Francisco, California, United States
1mo ago
Remote
Full-time
Engagement Manager
On-site
Revenue
San Francisco; San Francisco, California, United States
1mo ago
On-site
Full-time
GTM Operations Lead
On-site
Revenue
San Francisco
1mo ago
On-site
Full-time
Head of Growth
On-site
Growth
San Francisco
1mo ago
On-site
Full-time
Strategic Projects Lead - Healthcare
On-site
Operations
San Francisco
1mo ago
On-site
Full-time
Head of Expert Marketplace / Technical GM
On-site
Growth
San Francisco
1mo ago
On-site
Full-time
Machine Learning Engineer - Quality Intelligence
On-site
Engineering
San Francisco
2mo ago
On-site
Full-time
Business Operations Generalist
On-site
Internal Ops
San Francisco
3mo ago
On-site
Full-time
Software Engineer - Security/Infrastructure
On-site
Engineering
San Francisco
3mo ago
On-site
Full-time
Talent Coordinator
On-site
Internal Ops
San Francisco
4mo ago
On-site
Full-time
Technical Recruiter
On-site
Internal Ops
San Francisco
4mo ago
On-site
Full-time
People Programs Lead
On-site
Internal Ops
San Francisco
4mo ago
On-site
Full-time
Software Engineer - Platform/Applied AI (Fullstack)
On-site
Engineering
San Francisco
5mo ago
On-site
Full-time
Software Engineer - RL Environments
On-site
Engineering
San Francisco
5mo ago
On-site
Full-time
Research Scientist - Post Training
On-site
Research
San Francisco
5mo ago
On-site
Full-time
Senior Software Engineer - Infrastructure & Platform
On-site
Engineering
San Francisco
6mo ago
On-site
Full-time
Marketing Lead
On-site
Revenue
San Francisco
6mo ago
On-site
Full-time
Strategic Projects Associate - Coding
On-site
Operations
San Francisco
7mo ago
On-site
Full-time
Strategic Projects Lead - Coding
On-site
Operations
San Francisco
7mo ago
On-site
Full-time
Software Engineering Intern
On-site
Engineering
San Francisco
10mo ago
On-site
Internship
AI/ML Research Intern
Remote
Research
San Francisco (Remote)
10mo ago
Remote
Full-time
Growth Associate
On-site
Growth
San Francisco
10mo ago
On-site
Full-time
Strategic Projects Lead
On-site
Operations
San Francisco
10mo ago
On-site
Full-time