Use your Data Engineering expertise to train and evaluate AI models.
Take on remote, asynchronous data engineering projects lasting 2 to 3 weeks, with 10 to 20 hours per week and pay of $60 to $100 per hour. Use ETL, cloud infrastructure, data warehousing, and modern engineering tools.
Posted Nov 10, 2026
Build realistic SQL analytics scenarios and assess model answers for correctness and warehouse efficiency. Pay is $60 to $100 per hour, with a commitment of 20+ hours per week.
Posted Nov 5, 2026
Earn $40 to $60 per hour as an Associate Forward Deployed Engineer supporting customer data ingestion, transfer, validation, and workflow automation. Use Python, APIs, command-line tools, and Git in a flexible part-time contract role.
Posted Sep 16, 2026
Build and maintain large-scale data pipelines, distributed systems, and databases as a remote, part-time Big Data Engineer. Pay is $30 to $80 per hour, with applications starting on OpenTrain.
Posted Sep 15, 2026
Create realistic MongoDB database tasks, prepare sample data, and record practical workflows that help train AI systems. This remote contractor role is open in Bangladesh, India, and Pakistan and pays up to $20 per hour.
Posted Sep 5, 2026
Build Dockerfile-based validation workflows for datasets, schemas, and model artifacts using Python or Bash, CI/CD, and automated quality checks. This part-time contract role requires 20+ hours weekly and is open to candidates in 10 countries.
Posted Aug 3, 2026
Build and validate Python data pipelines, process structured and unstructured data, and create evaluation tasks for AI systems. This 20-plus-hour contract is open to candidates in selected countries.
Posted Jul 16, 2026
Work remotely as an expert SQL Engineer evaluating AI-generated queries, database designs, and data-processing logic for up to $50 per hour. The role requires 20+ hours per week and strong database engineering experience.
Posted Jul 9, 2026
Work globally as a Vibecode Specialist building Python scrapers for complex, JavaScript-heavy websites. Earn $20 per hour while delivering clean, validated datasets for AI training.
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.
