OpenTrain is hiring contract AI Content Annotators to help evaluate and improve next-generation AI systems. In this role, you will review AI-generated outputs (primarily text; occasionally with image/video context), assess quality and factual accuracy, compare multiple responses, classify content, and flag safety/policy issues using detailed guidelines and rubrics. Tasks may also include writing and refining prompts and gold-standard responses for supervised fine-tuning and RLHF evaluation.
We’re hiring multiple contractors for this engagement. Work is asynchronous with a flexible schedule, but you must be based in Singapore and able to meet accuracy and throughput targets consistently.
Requirements
- Current residence in Singapore (required).
- Native-level proficiency in Mandarin Chinese (reading, writing, comprehension).
- English proficiency C1 or higher.
- Bachelor’s degree (any field).
- 1+ year of professional work experience.
- Strong critical thinking, fact-checking, and written communication skills.
- Ability to follow complex written guidelines and maintain high labeling accuracy.
- Comfortable reviewing sensitive or potentially disturbing content when required.
- Reliable computer and stable high-speed internet for remote work.
- Able to pass language/skills screening, calibration, and ongoing quality checks.
- Legally able to work as an independent contractor/freelancer in Singapore.
Benefits
- Rate: USD $12/hour.
- Schedule: Flexible; minimum 15 hours/week (target 20+ hours/week based on task availability).
- Duration: 3–6 months with potential extension based on performance and project needs.
- Scope: Initial allocation ~120 hours; additional hours may be offered as work is available.
- Remote/work-from-home within Singapore; training, detailed rubrics, and calibration support provided.
- Opportunity to contribute to high-impact AI safety and quality efforts with a collaborative, mission-driven team.
Skills Required
- Native-level proficiency in Mandarin Chinese
- Proficiency in English (C1 or higher)
- Bachelor's degree (any field)
- 1+ year of professional work experience
- Strong critical thinking and fact-checking skills
- Reliable computer and stable high-speed internet
- Legally able to work as an independent contractor in Singapore
What We Do
OpenTrain AI is a marketplace that connects AI developers with vetted AI trainers and data labelers for AI training data and annotation services.


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