Frontier AI runs on
human expertise.
The world's top AI labs need doctors, lawyers, engineers, and researchers to train their models. Nextmark.ai matches you to paid engagements that fit exactly what you know.
A model is only as good as its training data. And behind every breakthrough in AI, there is a human expert who built that foundation.
148+
Open Roles
5+
Disciplines
Weekly
Pay Cycle
100%
Remote
Why Nextmark.ai
Built for experts,
not crowds.
Most gig platforms treat knowledge work like warehouse work. We do not.
Your domain expertise has real market value
AI companies pay significant premiums for experts who catch what general reviewers miss. A lawyer who spots a hallucinated citation, a doctor who flags an incorrect drug interaction, an engineer who identifies a subtle architecture flaw — that precision moves AI forward. And it pays accordingly.
Work on your schedule, not ours
Every role is contractor work. You log in when you want, complete tasks when you have time, and stop when you have had enough. No mandatory hours, no attendance policies, no performance reviews based on speed. Quality is the only metric that matters.
Transparent screening, no guesswork
Our screening is a 20-minute AI interview and a 30-45 minute written case study, both completable at your convenience. You will know within 48 hours whether you are matched. If you do not pass, we tell you why, and you can reapply in 30 days.
Matched to roles that fit your background
You do not browse through hundreds of irrelevant listings. After screening, we match you to roles that align with your specific expertise. A neurosurgeon does not end up reviewing marketing copy. The matching is intentional.
Open Roles
148 roles. Find yours.
Medical Specialist
In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters.
$15–$28/hr
Remote · 300 openings
Legal Specialist
In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters.
$15–$28/hr
Remote · 300 openings
Finance Specialist
In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters.
$15–$28/hr
Remote · 299 openings
Finance & Investment Professional
In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters.
$154–$210/hr
Remote · 200 openings
Marketing Specialist
Apply marketing expertise to evaluate AI-generated strategies, copy, and campaign analyses. Assess channel logic, brand coherence, and performance interpretation — producing training examples that help AI understand what actually works in modern marketing.
$25–$50/hr
Remote · 200 openings
Financial Investment Analyst
In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters.
$154–$210/hr
Remote · 200 openings
Voice Actors Prompt Writter
In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters.
$15–$35/hr
Remote · 150 openings
Project Management Specialist
In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters.
$63–$119/hr
Remote · 102 openings
Journalist
In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters.
$20–$70/hr
Remote · 102 openings
Medical Specialist
In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters.
$97–$203/hr
Remote · 102 openings
Legal Expert
In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters.
$42–$55/hr
Remote · 100 openings
Law Clerk
In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters.
$42–$55/hr
Remote · 100 openings
The Process
From expert to earner
in five steps.
01
Apply
Pick a role that matches your background. The application asks for your name, email, and the role — nothing more.
02
AI Interview
A 20-25 minute voice conversation about your domain expertise. No AI knowledge required — just talk about what you know.
03
Case Study
A 30-45 minute written exercise you complete on your own time. There is no single right answer — reviewers want expert reasoning.
04
Get Matched
Results within 48 hours. Passing opens your matched role. You will know exactly where you stand either way.
05
Start Earning
Log in, pick tasks, work when you want. Contributions are paid every Friday with no invoicing required.
Insights
From the Nextmark.ai blog
Questions
Frequently asked
Do I need AI experience to apply?
How much can I earn per week?
Is this a real job or just microtasks?
What happens to my work after I submit it?
How long does the screening process take?
Can I work on multiple roles at once?
Your expertise is
worth more than you think.
Apply today. The screening takes under an hour. Results in 48 hours.
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