Maths, physics or chemistry: write and grade problems
Quick facts
- Pay
- $45–$90/hr
- Type
- Contract
- Location
- Remote — worldwide
- Hours
- 10–30 hours / week
- Skills
- Physics, Chemistry
- Platform
- HUMXN — 27 open jobs
- Typical pay at HUMXN
- $40–275/hour · median $163 (27 jobs on our site)
- Payout
- Stripe
- Apply
- Free to apply — never pay to get AI training work
Pay: $45–$90/hr
The work
Write exam-style problems with full worked solutions, and grade AI attempts at problems step by step, marking exactly where the reasoning goes wrong.
Who it suits
- Graduate-level knowledge in at least one of mathematics, physics, chemistry or statistics.
- Teaching or tutoring experience helps.
How it works
- Apply with your background and the hours you can give (10 to 30 hours a week suits most people).
- We check your credentials and identity before any paid work.
- A short paid qualification task shows you the guidelines and shows us you understand them.
- You work remotely, on your own schedule, and are paid for the hours you work.
HUMXN is a new expert network (launched 2026). Payouts go through Stripe after identity and tax verification. Never pay to apply.