Thai/English Bilingual AI Data Annotator & Evaluator (Remote, Hourly Contractor)

About the Role

This is a fully remote, hourly contractor role supporting AI data and language projects on a project-based, flexible hour basis.

• Data annotation: labeling, classifying, and structuring documents, tables, and other content to support AI training datasets.
• LLM evaluation: reviewing AI-generated responses for accuracy, reasoning quality, coherence, and cultural/linguistic appropriateness.
• Content generation: writing high-quality prompts and model responses, or recording high-quality voice samples, to guide AI learning across diverse topics.
• Localization QA: ensuring terminology, tone, cultural nuance, and locale-specific details (units, references, names, dates) are consistently accurate across outputs.

Responsibilities

• Apply senior-level Thai localization and translation judgment across use cases.
• Evaluate AI outputs for accuracy, reasoning gaps, coherence, and cultural/linguistic appropriateness and document findings.
• Identify meaning drift, ambiguity, and locale inconsistencies; explain corrections clearly in writing.
• Rigorously fact-check localized content (units, references, names, dates) using reliable sources and consistent reasoning.
• Create high-quality prompts, model responses, and/or voice samples when required.
• Deliver consistent quality as a reliable, self-directed contractor with clear communication and responsiveness across time zones.

Qualifications

• Bachelor's degree or higher, preferably in Translation, Linguistics, Localization, Communications, or a related field.
• Native or near-native Thai proficiency with strong writing and editing skills.
• Minimum C1 English proficiency (reading/writing) for interpreting prompts, source materials, and evaluation guidelines.
• Excellent editorial judgment in register, tone, punctuation, inclusivity, and cultural nuance, with extreme attention to detail.
• Ability to identify reasoning gaps, methodological errors, and subtle errors and to explain corrections clearly in writing.
• Ability to rigorously fact-check localized content using reliable sources.

Skills / Required Skills

• Professional localization or translation experience preferred; familiarity with CAT tools and QA workflows.
• Previous experience with AI data training, annotation, or evaluation; familiarity with MQM/LQA concepts (severity, category, root-cause thinking) preferred.

About the Company

CNTXT AI builds artificial intelligence products and data solutions focused on making AI accurate, safe, and globally relevant. Their work spans data services, custom AI solutions, and proprietary AI products.