About this role
OpenTrain AI
Create research-level analytical and physical chemistry problems using laboratory measurements, spectra, kinetics, and Python-based analysis. This flexible remote role pays $50 per hour and is open to candidates in eligible countries.
Generative AI & RLHF
Remote Hourly · $50/hr
$50/hr
Compensation
Contract
Engagement
Remote
Location
Nov 11, 2026
Posted Open in 95 countries
United States + more
- Albania
- Algeria
- Antigua and Barbuda
- Armenia
- Australia
- Austria
- Bahamas
- Bahrain
- Belgium
- Benin
- Bhutan
- Bosnia and Herzegovina
- Botswana
- Brunei
- Bulgaria
- Canada
- Costa Rica
- Côte d’Ivoire
- Croatia
- Cyprus
- Czechia
- Denmark
- Ecuador
- El Salvador
- Estonia
- Ethiopia
- Finland
- France
- Gambia
- Germany
- Greece
- Guatemala
- Guyana
- Hong Kong
- Hungary
- Iceland
- India
- Indonesia
- Ireland
- Israel
- Italy
- Jamaica
- Jordan
- Kenya
- Kuwait
- Latvia
- Liechtenstein
- Lithuania
- Luxembourg
- Madagascar
- Malaysia
- Malta
- Mauritius
- Mexico
- Moldova
- Mongolia
- Morocco
- Mozambique
- Namibia
- Netherlands
- New Zealand
- North Macedonia
- Norway
- Oman
- Pakistan
- Panama
- Peru
- Philippines
- Poland
- Portugal
- Qatar
- Romania
- Rwanda
- Saint Lucia
- Senegal
- Serbia
- Singapore
- Slovakia
- Slovenia
- South Africa
- Spain
- Sri Lanka
- Sweden
- Switzerland
- Taiwan
- Tanzania
- Thailand
- Trinidad and Tobago
- Tunisia
- Türkiye
- United Arab Emirates
- United Kingdom
- United States
- Uzbekistan
- Vietnam
The work
You will create research-level problems that help train and test AI models. Your work will turn real laboratory measurements and experimental results into clear, accurate technical content.
Assignments may draw on analytical and physical chemistry methods, including titrations, spectroscopy, calorimetry, electrochemistry, and kinetics.
- Write advanced chemistry problems grounded in analytical or physical chemistry.
- Work with raw laboratory measurements and interpret experimental results.
- Use fitting and analysis methods to turn measurements into reliable technical work.
- Write explanations that are accurate, clear, and well documented.
- Manage your time independently across flexible, task-based assignments.
What it pays and takes
This is flexible, remote, independent-contractor work with no fixed weekly schedule.
- $50 per hour.
- Flexible assignments with no fixed weekly schedule.
- Remote work open to candidates in the eligible countries listed for this role.
- Professional fluency in English.
- Hands-on experience working with raw laboratory measurements in analytical or physical chemistry.
- Working knowledge of Python or a similar language for fitting and measurement analysis.
- Clear technical writing skills in chemistry.
- Ability to work independently as an independent contractor.
- Visa sponsorship is not provided.
- A master's or PhD in chemistry with substantial bench experience is helpful but not required.
- Helpful experience includes method validation, quality control laboratory work, measurement-uncertainty analysis, or fitting kinetic or thermodynamic models.
- Public code, a thesis, research papers, or prior data annotation, data labeling, or AI and machine learning evaluation work can support your application.
How it works
Apply on OpenTrain with your resume, then complete the application on the hiring site.
About AI training work
AI training work is the human side of building artificial intelligence. People create and review examples, including written problems and technical answers, so AI models can learn to produce more useful and accurate results.
This role uses chemistry expertise to prepare and assess technical material that models can learn from.
Requirements
-
Languages: English
-
Go-to-Market and Revenue Operations Specialist
-
Use your go-to-market and revenue operations experience to review business scenarios, improve AI systems, and provide clear feedback. This remote, part-time contract pays $50 to $90 per hour.
-
Generative AI & RLHF
-
Document
-
Remote · United Arab Emirates, Argentina, Austria +49 more
-
English
-
Part-time · Flexible
-
Hourly · $50–$90/hr
-
Posted Nov 12, 2026
-
Experimental Biologist and Physiologist (Lab)
-
Use laboratory and greenhouse data to write research-level problems and evaluate AI models. This remote contractor role pays $50 per hour, offers flexible task-based work, and requires practical biology or physiology experience.
-
Generative AI & RLHF
-
Text
-
Remote · United Arab Emirates, Antigua and Barbuda, Albania +92 more
-
English
-
Flexible hours
-
Hourly · $50/hr
-
Posted Nov 12, 2026
-
Veterans Service Officer (VSO) AI Evaluation Specialist
-
Review AI-generated guidance about veterans benefits, claims, advocacy, and support resources. Use your Veterans Service Officer expertise to assess accuracy, clarity, empathy, and regulatory alignment for $20 to $50 per hour.
-
Generative AI & RLHF
-
Text
-
Remote · United Arab Emirates, Argentina, Austria +49 more
-
English
-
Part-time · Flexible
-
Hourly · $20–$50/hr
-
Posted Nov 12, 2026
-
AI Conversation Evaluator (English)
-
Evaluate conversational AI by comparing assistant responses, rating quality, and writing concise feedback. This remote project runs November 15 to November 18, requires about 7.5 total hours, and pays $40 to $70 per hour.
-
Generative AI & RLHF
-
Text
-
Remote · United Arab Emirates, Argentina, Austria +49 more
-
English
-
Part-time · Flexible
-
Hourly · $40–$70/hr
-
Posted Nov 12, 2026
-
Digital Illustrator (Krita Expert)
-
Create digital paintings, character designs, concept art, animations, and other visual assets in Krita while explaining your creative process for an AI training project. This remote, part-time contractor role pays $21 to $70 per hour.
-
Generative AI & RLHF
-
Image
-
Remote · United Arab Emirates, Argentina, Austria +49 more
-
English
-
Part-time · Flexible
-
Hourly · $21–$70/hr
-
Posted Nov 11, 2026
-
Browse related job pages
-
Categories
-
Expertise
-
Locations
-
Languages