28 open roles at Mercor
Verified live postings · updated MAY 4, 2026
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Hiring quality verdict.
Mercor matches expert AI Trainers to frontier-lab data-curation work — and placed over $50M of contractor compensation in 2025 alone. The internal team is small, but the marketplace itself is one of the largest informal employers of AI domain experts globally.
Mercor by the numbers.
28
Verified live postings
+248%
Net-new AI hires (12-month)
Series B · $135M raised
AI Talent · Marketplace
Verified salary ranges.
Total comp · USD · annual
Who runs talent at Mercor.
Brendan Foody
Co-founder & CEO
Adarsh Hiremath
Co-founder
Mercor in ENTRA Intelligence.
The Platform Engineering Stack Behind the AI Trainer Economy
RLHF at frontier scale is a distributed systems problem masquerading as a labor economics story. The platforms building the AI trainer economy — Scale AI, Mercor, Labelbox — have quietly become some of the most technically demanding annotation infrastructure in the industry, with engineering teams commanding $280K–$420K to solve consensus algorithms for human preference data at 100,000 annotations per day.
Top 20 AI Training Platform Employers 2026
From frontier labs to crowdwork platforms: the first definitive ranking of who employs AI trainers, RLHF specialists, and evaluators — and how well they do it.
The AI Trainer Economy — Weekly Briefing · October 5, 2026
The $12.1B RLHF market is fracturing into two unmistakable tiers — commodity annotation under wage compression and domain-expert evaluation at premium rates — and every region on the planet is building its own version of the expert tier simultaneously.
Mercor vs. peers.
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