Bioinformatics Scientist (Medicinal Chemistry)
You will support AI training by applying bioinformatics, medicinal chemistry, and drug discovery knowledge to complex scientific data. The work combines dataset curation, scientific review, molecular analysis, and clear feedback that helps improve AI systems.
- Field
- Chemistry
- Where
- United States, Algeria, Argentina, Austria, Bahrain, Bangladesh +46 more
- Commitment
- part time
- Asks for
- PhD, Master's
- Posted
- 2 days ago
Pay data for your profession: Science AI trainer jobs · PhD AI trainer jobs · Chemistry AI trainer jobs
How this pay compares
At $68/hr (the midpoint of $45 to $90), this role pays more than 28% of the 51 open chemistry roles with a listed pay range, below the median of $83.
Open chemistry roles that ask for a PhD have a median of $79/hr (32 roles).
Among platforms with 10 or more priced chemistry roles, Mercor has the highest median ($85/hr across 11 roles) and OpenTrain AI the lowest ($75/hr across 25).
OpenTrain AI roles that closed since late October stayed listed a median of 31 days (122 roles). OpenTrain AI posted this one 2 days ago.
Computed from 2,746 open roles we track across Mercor, micro1, Handshake AI, Alignerr, Appen and OpenTrain AI, refreshed daily. Midpoints of listed ranges; “up to” ceilings are left out of medians.
What you would earn at this rate
Per week, before tax
$1,013
Per month, if the work is steady
$4,388
- Tax
- Contract pay arrives with no tax withheld. A US contractor at this rate and these hours would set aside about $1,109 a month for self-employment tax plus federal income tax at the 12% bracket (25%, before state tax). Outside the US, your own country's rules apply.
Assumes paid hours only; unpaid assessments, onboarding and gaps between projects lower the real figure. Full take-home calculator · Track what you actually earn
Open chemistry roles on each platform
The same kind of work, priced on every platform we track, with the best-paid open role on each.
| Platform | Open | Median | Best-paid open role |
|---|---|---|---|
| Mercor | 11 | $85/hr | Chemistry Domain Expert$90-140/hr |
| Alignerr | 13 | $83/hr | Chemist, PhD$90-120/hr |
| OpenTrain AIthis role | 25 | $75/hr | Computational Materials Science Expert$175/hr |
| Handshake AI | 6 | up to $58/hr | Chemistry ExpertUp to $150/hr |
“Up to” rows list only ceilings, so their median is a maximum, not comparable with the range midpoints above them.
All 57 open chemistry roles →The full listing
As posted on OpenTrain AI. See the original
The work
You will support AI training by applying bioinformatics, medicinal chemistry, and drug discovery knowledge to complex scientific data. The work combines dataset curation, scientific review, molecular analysis, and clear feedback that helps improve AI systems.
- Analyze medicinal chemistry datasets with bioinformatics methods.
- Curate, annotate, and validate datasets related to drug discovery and molecular analysis.
- Evaluate and combine biological, chemical, and clinical findings.
- Provide scientific input and written content for AI model development and training.
- Review AI-generated outputs for scientific accuracy, relevance, and reliability.
- Recommend improvements based on experimental design, data interpretation, and scientific judgment.
What it pays and takes
This is a remote contractor role with flexible scheduling.
- Pay: $45 to $90 per hour.
- Work arrangement: Remote contractor role with flexible scheduling.
- Location: Open to candidates in the listed countries across the Americas, Europe, Africa, Asia, and the Middle East.
- Language: Fluent English.
- Education: An MSc, PhD, or similar advanced degree in bioinformatics, computational biology, medicinal chemistry, or a related field.
- Knowledge: Medicinal chemistry, structure-activity relationships, and drug design principles.
- Experience: Handling and interpreting large-scale omics or cheminformatics datasets.
- Technical skills: Familiarity with bioinformatics tools, databases, or Python, R, RDKit, or KNIME.
- Communication: Ability to explain complex technical concepts clearly in writing and in scientific discussions.
- Helpful background: Experience working with multidisciplinary or remote project teams.
How it works
You apply here in about two minutes and finish on the hiring platform. The next step is a short AI interview (technical roles include a coding challenge). Passing it is how you qualify for paid tasks, so take it soon after you are invited.
The hiring platform's application for this job asks for your resume, your LinkedIn profile, your phone number, your location and answers to 3 screening questions.
About AI training work
AI training is the human work behind systems that learn from examples, including reviewing model answers and preparing reliable datasets. People with specialized scientific knowledge help assess whether AI outputs are accurate and useful, which is why advanced expertise matters in this work.
From applying to your first payment on OpenTrain AI
- 1
Create a profile
Create a free OpenTrain profile with your domains, languages and hourly rate.
- 2
Apply
Apply to the listing. Some listings hire through OpenTrain; others send you to the hiring platform.
- 3
Funded milestones
The client funds each milestone before work starts.
- 4
First payment
OpenTrain pays out to your connected payout method when the client approves the milestone. It doesn't publish a fixed payout schedule.
Sources: OpenTrain: AI training careers, OpenTrain docs: invoicing and payouts
Full OpenTrain AI profile: watch-outs and the public record →Pay history
OpenTrain AI has listed this role at $45-90/hr since Nov 10, 2026 with no change.
Across OpenTrain AI's chemistry roles, the median listed pay was $70/hr on Nov 1, 2026 (13 roles) and is $75/hr as of Nov 11, 2026 (25 roles).
What workers report about OpenTrain AI
Anonymous reports from people who applied or worked there: whether they got work, what they were paid and how fast.
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