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.
Annotate Japanese PDFs, correct OCR text, and review document layouts from Japan. Earn $18 per hour as an annotator or $20 per hour as a QA reviewer, starting with a 2–3 hour pilot.
Posted Jan 29, 2026
Join OpenTrain as an AI Data Annotation Specialist supporting text, image, and audio annotation. This part-time contractor role is for Indian nationals based in India and requires fewer than 20 hours per week.
Posted Dec 17, 2025
OpenTrain AI is seeking an automotive CAN signal subject expert to create training data that maps natural-language vehicle use cases to the signals needed to address them. This worldwide contractor project pays a fixed $2,000.
Posted Dec 15, 2025
Work remotely as an entry-level Data Annotator for RL environments, completing app actions and finding information to support AI training. This part-time contractor role pays $11 per hour and requires 20 or more hours each week.
Posted Jul 22, 2025
Help structure PDF documents for AI training by labeling layouts, transcribing visible text, describing figures, and converting tables into JSON. This part-time remote contractor role is open to C1/C2 English speakers in India and the Philippines.
Posted Mar 31, 2025
Review and correct classification tags on pre-annotated English text from Argentina. This entry-level, part-time contractor role pays $3.50 per hour and requires B2 English proficiency.
Posted Feb 17, 2025
Compare music tracks against English song lyrics and explain which track fits best. This remote, part-time contractor role is open to applicants in the Philippines with B1/B2 English proficiency.
Posted Dec 14, 2024
Help improve AI models by labeling topics and sentiment in Polish product reviews. This ongoing contractor project offers flexible scheduling, requires at least 15 hours weekly, and pays $7 per hour.
Posted Oct 24, 2024
Review 10,000 shoppable social video transcripts and classify roughly 30 sales-related features, including urgency and discount mentions. This remote, part-time contractor project requires strong English skills and 20+ hours per week.
Posted Oct 23, 2024
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.
