Math (PhD)
Mercor • Remote, Canada, UK, USA
Education
Any
Type
hourly
Pay Rate (by country)
$29–$73/hr
Listed
201d ago
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About this Role
From the Mercor listing
Location: Geography restricted to USA, UK, Canada, EU Type: Full-time or Part-time Contract Work Fluent Language Skills Required: English
Why This Role Exists
- Write and refine prompts to guide model behavior in mathematical contexts
- Evaluate LLM-generated responses to mathematics-related queries for correctness, rigor, and logical coherence
- Verify mathematical claims, derivations, and proofs using domain expertise
- Conduct fact-checking using authoritative public sources and domain knowledge
- Annotate model responses by identifying strengths, areas of improvement, and factual or conceptual inaccuracies
- Assess clarity, structure, and appropriateness of explanations for different audiences
- Ensure model responses align with expected conversational behavior and system guidelines
- Apply consistent evaluation standards by following clear taxonomies, benchmarks, and detailed evaluation guidelines
- You hold (or are currently pursuing) a PhD in Mathematics or a closely related field, or have demonstrated exceptional achievement in mathematics (e.g., IMO medalist or comparable distinction)
- You have strong experience across core areas of mathematics, such as:
- Algebra & Number Theory
- Calculus & Analysis
- Geometry & Topology
- Discrete Mathematics, Logic & Computation
- Probability & Statistics
- You have significant experience using large language models (LLMs) and understand how and why people use them
- You have excellent writing skills and can clearly explain complex mathematical concepts
- You have strong attention to detail and consistently notice subtle issues others may overlook
- Experience reviewing or editing technical or academic writing
- Prior experience with RLHF, model evaluation, or data annotation work
- Experience teaching, mentoring, or explaining mathematical concepts to non-expert audiences
- Familiarity with evaluation rubrics, benchmarks, or structured review frameworks
- You identify inaccuracies or weak reasoning in mathematical-related model outputs
- Your feedback improves the rigor, clarity, and correctness of AI explanations
- You deliver consistent, reproducible evaluation artifacts that strengthen model performance
- Mercor customers trust their AI systems in mathematical contexts because you’ve rigorously evaluated them
Requirements
- Must be eligible to work in one of: Remote, Canada, UK, etc.
- Fluent proficiency in English (Written & Verbal)
- Reliable high-speed internet connection
- Bachelor's degree or equivalent professional experience
- Demonstrated expertise in Mathematics
Eligible Languages
Fluent proficiency in English
Why This Role
Monetize your niche expertise without the billable hours. At $51/hr, this role offers elite compensation for pure intellectual work, no client management or administrative bloat.
Skills & Categories
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Frequently Asked Questions
Is Mercor for freelancers or full-time contractors?
Mercor places you with one client for a defined engagement, like 'Python Tutor for 3 months', rather than having you grab small tasks from a shared queue. Most roles function as steady contract work, not one-off gigs.
Does Mercor's application require an on-camera interview?
Yes, every applicant records a video interview with an AI interviewer that asks questions about your resume. Clients review that recording to judge communication skills before matching, so there's no way to apply without going on camera.
Does it cost money to apply to Mercor?
No, applying and joining Mercor is free. Mercor's revenue comes from a fee it charges the client on top of your hourly rate, not from applicants. Treat any request for payment to join as a red flag.
What does task-based AI training work actually look like?
Practical, hands-on data work: recording short videos, categorizing images, rating text responses, or analyzing data. Tasks are designed to be short and distinct, typically 5 to 60 minutes each.
What does asynchronous AI training work mean in practice?
No set hours, no check-ins, no meetings. You log in when you want, pick up an available task, complete it, and submit; nobody is waiting on you in real time. That's different from remote employment, where you're expected online during business hours. The tradeoff: you're competing with others for available tasks, so an empty queue means there's simply nothing to do until more work is released.
What does Mathematics work look like for a Math (PhD)?
Tasks here are scoped to Mathematics, not generic labeling. As a Math (PhD), expect to draw on real domain judgment (evaluating outputs, correcting errors, or providing expert reasoning specific to Mathematics) rather than following a one-size-fits-all rubric. If you don't have hands-on Mathematics background, this is likely not the right listing to start with.
Do I need to be fluent in English?
Yes. This role specifically requires English proficiency. You will likely be evaluated on written fluency during the assessment, not just conversational level. If English is not your first language or you are not professionally fluent, this is not the right role. Filter for your native language to find better-matched listings.
What happens when I click Apply on this listing?
You'll be taken to Mercor's external site to complete your application there. This listing links through a referral, but the process is identical to applying directly; the link just routes you correctly. Create an account on their site and follow their onboarding steps.
Can I apply from outside Canada, UK, USA?
This specific role is restricted to Canada, UK, USA. If you are outside these locations, applying is unlikely to result in an offer even if you pass the assessment. Check the full job description for any VPN or tax-residency caveats.
How soon will I start working after applying to Mercor?
Not immediately. Mercor is a talent marketplace, not a task queue, so applying puts you in a pool of candidates. You start working only once a specific client, like a major AI lab, selects your profile, and that matching process can take weeks.