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[Remote] Machine Learning Engineer, Part-Time AI Model Development - Remote (United States)

Remote · Saudi Arabia Full-time

Note: The job is a remote job and is open to candidates in USA. OpenTrain AI engages part-time machine learning engineers as independent contractors to support AI model development. The role involves designing and refining models, building data workflows, evaluating performance, and documenting technical recommendations.

Responsibilities

  • Design and refine machine learning models in Python using scikit-learn, TensorFlow or PyTorch
  • Build data pipelines and preprocessing workflows for model training and inference
  • Evaluate models, tune hyperparameters and benchmark performance
  • Document experiments and turn model results into clear technical recommendations

Skills

  • Strong practical experience delivering machine learning solutions, including model evaluation, feature engineering or data preprocessing
  • Experience using Python, machine learning frameworks and MongoDB
  • Professional fluency in English, with clear technical documentation and communication

Benefits

  • 100% remote
  • Fully flexible schedule; no fixed shifts
  • Work directly with frontier AI tools and see how they are built, tested and improved
  • Build a career edge for what comes next
  • Training on the tools

Company Overview

  • OpenTrain AI connects companies with vetted data labeling experts, supports any annotation tool, and manages escrow payments. It was founded in 2022, and is headquartered in Seattle, Washington, USA, with a workforce of 2-10 employees. Its website is https://www.opentrain.ai.
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