Use your Data Engineering expertise to train and evaluate AI models.
Build data validation suites and test PII and PHI de-identification systems for accuracy, privacy, and data quality. This remote contract requires Python, SQL, ML evaluation, and privacy compliance experience.
Posted Sep 19, 2026
Test data pipelines and PII and PHI de-identification systems using Python, SQL, ML evaluation, and compliance checks. This worldwide contractor role requires 5+ years of relevant experience and 20+ hours per week.
Posted Sep 18, 2026
Support customer data ingestion and transfer workflows as an entry-level Associate Forward Deployed Engineer. Use Python, APIs, Git, and troubleshooting skills in a part-time contract role paying $40 to $60 per hour.
Posted Sep 16, 2026
Build and maintain large-scale data pipelines that support AI training systems. This remote contractor role pays $30 to $80 per hour and requires advanced Python, database, and distributed processing skills.
Posted Sep 15, 2026
Create and record realistic MongoDB database workflows that help train AI models. This remote contractor role pays up to $20 per hour and is open to applicants in Bangladesh, India, and Pakistan.
Posted Sep 5, 2026
Evaluate AI assistants on real data-analysis tasks, checking SQL, metrics, joins, filters, and time windows. This contract role pays $50 to $60 per hour and requires at least 20 hours per week.
Posted Aug 19, 2026
Build Docker-based validation workflows for datasets, schemas, and model artifacts using Dockerfiles, Python or Bash, and CI/CD checks. This contractor role requires 20+ hours weekly and is open to candidates in selected countries.
Posted Aug 3, 2026
Build and validate Python data pipelines and evaluation tasks for AI benchmarks. This part-time contract requires 20+ hours weekly, 4 hours of daily PST overlap, and 3+ years of data-focused experience.
Posted Jul 16, 2026
Review AI-generated SQL queries, database designs, and data-processing logic, then write reference solutions that help improve AI systems. This remote contractor role pays $50 per hour and requires 20+ hours weekly.
Posted Jul 9, 2026
Build and manage Python scraping workflows for complex, JavaScript-heavy websites. This remote contractor role pays $20 per hour and requires 20 or more hours each week.
Posted Feb 26, 2026
Data Engineering expertise may be applied to AI-training work such as annotating examples, reviewing code, evaluating model responses, or assessing other data-related material. The exact responsibilities depend on the individual project. Read each live posting carefully to confirm what the work involves and whether its stated requirements match your background.
OpenTrain is the hiring organization for these public roles, and candidates apply through OpenTrain. A successful candidate may be placed or referred by OpenTrain to the client whose project they will support. Hiring details are specific to each role, so use the live posting as the source of truth for its requirements and responsibilities.
