Looking for General Annotation jobs? This work can involve preparing and reviewing examples for artificial-intelligence systems through data labeling and annotation. Depending on the role, tasks may include reviewing images or video, transcribing or recording audio, rating model responses, or evaluating search results. OpenTrain is the hiring organization for roles on OpenTrain. Candidates apply through OpenTrain, and OpenTrain may place or refer successful candidates to the client whose project they will support. Read each live posting for the exact responsibilities and requirements.
Review and analyze business datasets, protect PII, and improve data quality for next-generation AI systems. This remote contractor role pays $31-$60 per hour and requires under 20 hours weekly.
Posted Sep 9, 2026
Review business datasets and sensitive documents that support AI training, identify quality and privacy issues, and deliver clear recommendations. This worldwide remote contractor role offers 20+ hours per week at $31-$60 per hour.
Posted Sep 9, 2026
Review business documents and datasets for accuracy, quality, relevance, and privacy compliance while helping improve AI systems. This remote contractor role pays $31 to $60 USD per hour and is open to experts in six countries.
Posted Sep 9, 2026
Review and improve realistic data-center MEP engineering tasks, grading criteria, and technical documents as a remote contractor earning $100-$140 per hour.
Posted Sep 9, 2026
Apply your data-center and mission-critical engineering expertise to review AI training tasks, technical documents, rubrics, and quality checks. This worldwide, part-time contract role pays $100-$140 per hour.
Posted Sep 9, 2026
Use your EPC and mission-critical project experience to review complex AI training tasks, documents, schedules, and acceptance criteria. This worldwide, part-time contract pays $100-$140 per hour.
Posted Sep 9, 2026
Use advanced physics expertise to evaluate and improve AI systems through research-driven work in statistical physics, quantum information, and condensed matter theory. This fully remote contractor role offers flexible part-time hours and $100-$200 per hour.
Posted Sep 8, 2026
Use circuit-design expertise to create, solve, and validate AI training tasks across analog, digital, power, mixed-signal, and RF systems. This fully remote contractor role offers flexible work of about 15 hours per week at $80-$130 per hour.
Posted Sep 7, 2026
Use your Inkscape expertise to create realistic vector design tasks, record reproducible workflows, and document editable files for AI training. This part-time contractor role pays $20 per hour and is open to candidates in Bangladesh, India, and Pakistan.
Posted Sep 5, 2026
Use your CAD, CAM, and CNC expertise to evaluate AI-generated manufacturing content, develop quality rubrics, and help train next-generation AI systems. This remote contractor role requires fewer than 20 hours per week.
Posted Sep 4, 2026
Use advanced parametric CAD and mechanical engineering expertise to help train next-generation AI systems. This remote contractor project pays $40-$100 per hour and is expected to run for 3 to 6 months.
Posted Sep 4, 2026
Review interface mockups and component libraries, write rigorous design rationales, and shape AI training data with Figma expertise. This flexible worldwide contract pays $90-$140/hour for about 20 hours weekly.
Posted Sep 2, 2026
Help improve document-understanding AI by annotating page layouts and transcribing Malayalam PDFs with character-level precision. This remote freelance role pays $12.68 per hour.
Posted Sep 2, 2026
Help improve document AI by annotating Bengali PDFs, transcribing Bengali script, and reviewing complex layouts. This remote, part-time contractor role pays $12.68 per hour and requires 20+ hours weekly.
Posted Sep 2, 2026
Apply your electrical engineering expertise to evaluate designs, calculations, and power systems for AI training. This remote short-term contract pays $70-$85 per hour with a 40-hour weekly commitment.
Posted Aug 30, 2026
Use 10+ years of naval, maritime, program, or intelligence expertise to shape AI training for naval operations and maritime security. This remote contractor role pays $50-$100 per hour and requires 20+ hours weekly.
Posted Aug 28, 2026
Evaluate consumer-facing and personal-domain documents for quality, accuracy, and relevance while delivering structured feedback with Excel and Google Slides. This remote contractor role pays $80-$150 per hour.
Posted Aug 28, 2026
Review go-to-market and marketing documents for quality, accuracy, and relevance while providing structured expert feedback. This remote contract offers 20+ hours per week and pays $80 to $160 per hour.
Posted Aug 28, 2026
Evaluate executive support documents for quality, accuracy, and relevance in remote AI training projects. Apply your document review judgment and communication skills at $30-$80 per hour.
Posted Aug 28, 2026
Review consumer and personal documents for quality, accuracy, and relevance in a remote AI evaluation contract paying $80-$160 per hour. Apply your document analysis skills through OpenTrain with a default 40-hour weekly commitment.
Posted Aug 28, 2026
Review operations, program, and project management documents for accuracy, relevance, and quality in a remote contractor role paying $80 to $160 per hour. Apply your professional judgment to help improve AI evaluation systems.
Posted Aug 28, 2026
Evaluate specialized documents for quality, accuracy, and relevance while providing structured written feedback. This remote freelance role offers $80-$160 per hour for qualified professionals.
Posted Aug 28, 2026
Review professional documents for quality, accuracy, and relevance in remote AI evaluation work. This part-time contract role offers $80 to $160 per hour for qualified contributors.
Posted Aug 28, 2026
Review analytical, research, and insights documents for accuracy, quality, and relevance while providing structured feedback. This remote contractor opportunity offers 20+ hours per week at $80-$160 per hour for candidates in the US, UK, and Canada.
Posted Aug 28, 2026
Use your business ownership experience to evaluate domain-specific documents for quality, accuracy, and relevance. This remote contract role offers $80 to $160 per hour for qualified professionals.
Posted Aug 28, 2026
Use your sales, go-to-market, or revenue operations expertise to evaluate business documents for AI training. This remote contract role offers $80 to $160 per hour and flexible 20+ hour weekly participation.
Posted Aug 28, 2026
Review product and platform strategy documents, assess quality against structured criteria, and provide clear feedback remotely. This contract role pays $80 to $160 per hour and is open to candidates in the United States, United Kingdom, and Canada.
Posted Aug 28, 2026
Review event and hospitality documents against structured guidelines and help improve AI performance in a specialized industry. This fully remote contractor role pays $80-$160 per hour and is open across the US, UK, Canada, and Europe.
Posted Aug 28, 2026
Review and evaluate domain-specific documents to help improve AI training data, earning $80-$160 per hour remotely. Apply through OpenTrain for flexible contractor work available in the US, UK, and Canada.
Posted Aug 28, 2026
Use your Mandarin and document annotation experience to create accurate PDF bounding boxes and class labels. This part-time contractor role pays $10-$15 per hour and is open to candidates in Malaysia, Hong Kong, and Taiwan.
Posted Aug 24, 2026
General annotation covers data-labeling and review work that does not clearly fit a narrower category. It can involve examining visual content, working with written or spoken material, judging AI-generated responses, or evaluating search results as part of preparing examples for artificial-intelligence systems. The exact work is defined by the individual posting, so inspect each live role for its responsibilities and requirements.
OpenTrain is the hiring organization for the roles on OpenTrain. Candidates apply through OpenTrain. OpenTrain may place or refer successful candidates to the client whose project they will support. Refer to each individual live posting for all other details about the role.
