Mercor

We use AI to understand human ability and match talent with the opportunities they're best suited for.

mercor.com

Mercor

We use AI to understand human ability and match talent with the opportunities they're best suited for.

mercor.com

HQUS

Team Size4975

Open Jobs11244

Total Funding-

Latest FundraiseUnknown

TL;DR

What they do: AI-driven hiring platform that understands human ability and matches talent to opportunities

Founded: January 2023

Founders / leadership: Brendan Foody (CEO), Adarsh Hiremath (CTO), Surya Midha (COO)

Notable funding: Series B $100M (Feb 2025) at $2B valuation; Series A and seed prior

Industry / scale: Software development / recruiting; reported employee count 4,880

Company Overview

Problem Domain

Hiring and talent matching / recruiting automation

Founded

2023

Industry

Software Development

Funding Track Record

Seed- 2023

Reported seed in 2023 (amount not specified in provided evidence)

Series A- 2024

$32M

Reported Series A in 2024 (reported ~$32M)

Series B- 2025-02-20

$100M

Announced Feb 20, 2025; reported valuation $2B

Series C- 2025-10-27

$350M

Reported Oct 27, 2025; reported valuation $10B

Investor Signal

“Includes participation from top-tier VCs such as Felicis, Benchmark, General Catalyst, DST Global, and Menlo Ventures; individual backers reported include Peter Thiel and Jack Dorsey.”

Founders

What we do

TL;DR

Company Overview

Funding Track Record

Founders

What we do

Mercor

We use AI to understand human ability and match talent with the opportunities they're best suited for.

mercor.com

Mercor

We use AI to understand human ability and match talent with the opportunities they're best suited for.

mercor.com

HQUS

Team Size4975

Open Jobs11244

Total Funding-

Latest FundraiseUnknown

TL;DR

What they do: AI-driven hiring platform that understands human ability and matches talent to opportunities

Founded: January 2023

Founders / leadership: Brendan Foody (CEO), Adarsh Hiremath (CTO), Surya Midha (COO)

Notable funding: Series B $100M (Feb 2025) at $2B valuation; Series A and seed prior

Industry / scale: Software development / recruiting; reported employee count 4,880

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Mission.dev	🇨🇦Montréal, CA	DeepTechInformation TechnologySoftware	-
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pubX	🇬🇧GB	Sales and Marketing	-
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Company Overview

Problem Domain

Hiring and talent matching / recruiting automation

Founded

2023

Industry

Software Development

Funding Track Record

Seed- 2023

Reported seed in 2023 (amount not specified in provided evidence)

Series A- 2024

$32M

Reported Series A in 2024 (reported ~$32M)

Series B- 2025-02-20

$100M

Announced Feb 20, 2025; reported valuation $2B

Series C- 2025-10-27

$350M

Reported Oct 27, 2025; reported valuation $10B

Investor Signal

“Includes participation from top-tier VCs such as Felicis, Benchmark, General Catalyst, DST Global, and Menlo Ventures; individual backers reported include Peter Thiel and Jack Dorsey.”

Founders

What we do

Related Companies

Company	HQ	Industry	Total Funding
Gensyn	🇬🇧GB	Blockchain and CryptoData and AnalyticsDeepTechFinanceInformation TechnologySoftware	$50M
Mission.dev	🇨🇦Montréal, CA	DeepTechInformation TechnologySoftware	-
Merantix Momentum	🇩🇪Berlin, DE	Data and AnalyticsDeepTechInformation TechnologyProfessional Services	-
pubX	🇬🇧GB	Sales and Marketing	-
AppliedAI	🇦🇪AE	Data and AnalyticsDeepTechFinanceInformation TechnologySoftware	-

Join the Team

AI Security Specialist - Fully Remote | Upto $28/hr Hourly

RemoteUS

Remote • US

About The Job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark , General Catalyst , Peter Thiel , Adam D'Angelo , Larry Summers , and Jack Dorsey .

Teeming tracks opportunities at over 24,000 AI startups, then works with you to find (and land) the one you'll love.

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Position: AI Red Team Specialist

Type: Full-time or Part-time Contract Work Compensation: $29/hour Location: Remote ; Geography restricted to USA, Brazil Commitment: 20+ hours/week Role Responsibilities

Evaluate AI models for vulnerabilities, including jailbreaks, prompt injections, and misuse cases.
Generate high-quality human data by annotating failures and classifying vulnerabilities.
Apply structured taxonomies and benchmarks to maintain consistent testing.
Document findings reproducibly, creating reports and datasets for customer action.
Collaborate independently and asynchronously, ensuring flexible hours and effective communication.

Qualifications Must-Have

Native-level fluency in English and Brazilian Portuguese.
Prior experience in AI adversarial work, cybersecurity, or socio-technical probing.
Strong communication skills for explaining risks to technical and non-technical stakeholders.

Experience with Adversarial ML, Cybersecurity, or socio-technical risk analysis.
Skills in penetration testing, exploit development, or reverse engineering.

Compensation & Legal

Hourly contractor, Paid weekly via Stripe Connect.

Application Process (Takes 20–30 mins to complete)

Upload resume
AI interview based on your resume
Submit form

Resources & Support

For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome/welcome
For any help or support, reach out to: support@mercor.com

PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity. ,