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OpenTrain AIFor AI Companies

Machine Learning and Data Science Expert (English)

Build and evaluate predictive models for business applications in a short, project-based engagement with asynchronous work. Applicants need a relevant master's degree, practical modeling skills, and first-author publication or equivalent work.

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OpenTrain AI

Coding & Software

Remote Hourly pay

Hourly

Compensation

Contract

Engagement

Remote

Location

Nov 7, 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

Work asynchronously on technical assignments supporting machine learning model development and evaluation for business applications.

  • Build, train, and evaluate predictive models using supervised and unsupervised learning.
  • Improve model performance through hyperparameter tuning and feature engineering.
  • Document methods, model assumptions, and technical decisions clearly.
  • Use sound problem-solving and independent judgment on project-based tasks.

What it takes

  • Education: A master's degree in computer science, statistics, mathematics, data science, or another related quantitative field.
  • Skills: Practical understanding of programming, empirical analysis, predictive modeling, and model evaluation.
  • Work style: Strong problem-solving skills and the ability to work independently on technical assignments.
  • Publication or equivalent: At least one first-author publication or equivalent first-author work.
  • Language: Professional fluency in English.
  • Location: Applicants must be based in a country eligible for this role.
  • Helpful background: Teaching machine learning, data science, or applied statistics, especially with a focus on programming and empirical analysis.

How it works

Apply on OpenTrain with your resume, then complete the application on the hiring site.

About AI training work

OpenTrain helps people find AI training and data-labeling projects and start applications. AI training is the human work of preparing or reviewing examples used to improve AI systems, and some projects call for specialist skills to handle technical tasks.

Requirements

  • Languages: English

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