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Remote AI training and data labeling jobs in Hong Kong

Looking for remote AI training or data labeling work open to applicants located in Hong Kong SAR China? These roles can support the preparation and review of examples used by artificial-intelligence systems, with the exact work defined in each posting. 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.

  • 100% remote
  • Flexible hours
  • Hourly / per-task pay
  • 5 open roles

Parametric CAD Design and Review Specialist

Use advanced Autodesk Inventor and mechanical engineering expertise to create, revise, and evaluate CAD models for AI training. This remote contractor role offers flexible part-time work at a listed rate of $30-$100 per hour.

General Annotation
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $30–$100/hr

Posted Aug 4, 2026

Parametric Mechanical CAD Modeler

Create and evaluate structured parametric CAD models for AI training, applying mechanical design judgment, GD&T, and design-for-manufacturing expertise. This worldwide contract offers flexible part-time work at $40–$100 per hour.

General Annotation
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $40–$100/hr

Posted Aug 4, 2026

Parametric CAD Modeling Specialist

Use advanced parametric CAD and mechanical design expertise to create, edit, and evaluate models that help train AI systems. This worldwide contract role offers flexible part-time work at $40–$100 per hour.

General Annotation
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $40–$100/hr

Posted Aug 4, 2026

Software Engineering RL Environment Creator

Create reproducible reinforcement learning environments that test how AI models solve real software engineering workflows. This worldwide remote contractor role offers approximately 15 hours per week and listed compensation of $100–$150 per hour.

Coding & Software
Computer Code Programming
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $100–$150/hr

Posted Aug 4, 2026

Competitive Coder for AI Training

Create competitive programming problems, reinforcement learning environments, reference solutions, and C++ checkers that challenge AI models. This flexible remote contract pays $45–$65 per hour for approximately 1–3 months.

Coding & Software
Computer Code Programming
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $45–$65/hr

Posted Aug 4, 2026

Software Engineering AI Training Expert

Help evaluate and improve AI systems by building reinforcement learning environments for complex software engineering tasks. Work remotely for approximately 15 hours per week, with listed compensation of $50-$100 per hour.

Coding & Software
Computer Code Programming
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $50–$100/hr

Posted Aug 4, 2026

Bankruptcy Law AI Training Attorney

Use your U.S. bankruptcy law expertise to draft legal training examples, evaluate AI-generated answers, and improve the accuracy of emerging AI systems at $90-$150 per hour.

Legal & Finance
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $90–$150/hr

Posted Aug 4, 2026

Finance AI Model Evaluation Expert

Use advanced finance judgment to evaluate and improve AI-generated financial content, valuation analysis, investment prompts, and research. This remote, part-time contractor role offers $100–$200 per hour for experts worldwide.

Legal & Finance
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $100–$200/hr

Posted Aug 4, 2026

Software Engineering AI Evaluation Expert

Use your software engineering expertise to evaluate AI-generated technical content, refine prompts, and produce high-quality documentation for AI training. This worldwide, part-time contract offers flexible work in English at $100–$200 per hour.

Coding & Software
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $100–$200/hr

Posted Aug 4, 2026

Data Science AI Evaluation Expert

Use your data science expertise to evaluate, fact-check, and improve AI-generated content and analytical outputs. This remote, part-time contractor role offers $100–$200 per hour and requires 20+ hours weekly.

Generative AI & RLHF
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $100–$200/hr

Posted Aug 4, 2026

Spanish (Spain) Audio Transcription Reviewer

Review and correct Spanish (Spain) machine-generated transcriptions, add metadata, and improve language datasets used to train next-generation AI. Work remotely with flexible hours at $10–$20 per hour.

Audio & Speech
Audio
Remote · Worldwide
Spanish
Part-time · Flexible
Entry level
Hourly · $10–$20/hr

Posted Aug 4, 2026

Clinical Regulatory Document AI Evaluation Writer

Use your clinical regulatory writing expertise to create evaluation tasks and assess AI-generated clinical content for scientific accuracy, structure, and evidentiary support. Remote, part-time contract work pays $50-$80 per hour.

Medical & Health
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $50–$80/hr

Posted Aug 4, 2026

Clinical Trial Biostatistics AI Evaluator

Apply clinical-trial biostatistics expertise to evaluate AI-generated analyses, verify statistical outputs against analysis plans, and create rigorous evaluation examples. Remote contract work pays $60–$65 per hour for 20+ hours weekly.

Medical & Health
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $60–$65/hr

Posted Aug 4, 2026

Regulatory Affairs Documentation AI Training Specialist

Apply your regulatory affairs expertise to evaluate and improve AI systems working with clinical and regulatory documentation. This remote contractor role offers $50–$70 per hour with flexible part-time work of 20+ hours weekly.

Medical & Health
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $50–$70/hr

Posted Aug 4, 2026

Oncology and Hematology Clinical AI Evaluation Specialist

Apply oncology and hematology expertise to evaluate AI-generated clinical interpretations of trial and regulatory materials. This remote contract offers flexible part-time work at $160–$200 per hour.

Medical & Health
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $160–$200/hr

Posted Aug 4, 2026

Pharmacovigilance Documentation AI Training Expert

Apply deep drug-safety expertise to evaluate and author tasks that teach AI systems to reason about DSURs, PSURs, PBRERs, and aggregate safety data. This worldwide, part-time contract pays $70–$80 per hour.

Medical & Health
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $70–$80/hr

Posted Aug 4, 2026

AI Domain Expert for Model Evaluation

Evaluate AI-generated responses, apply expert judgment, and provide feedback that improves model behavior. This flexible, worldwide contractor role offers 20+ hours per week and pays $140–$200 USD per hour.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $140–$200/hr

Posted Aug 4, 2026

AI Consulting and Model Evaluation Expert

Use consulting judgment, business writing, and analytical rigor to evaluate AI outputs, refine prompts, and improve documents used in real-world business contexts. Remote contractor work is available worldwide at $100–$200 per hour.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $100–$200/hr

Posted Aug 4, 2026

Travel Industry AI Training Expert

Use five or more years of travel expertise to evaluate and improve AI-generated planning, booking, sales, and customer service content. This remote contractor role pays $20-$35 per hour and offers flexible work of 20+ hours weekly.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $20–$35/hr

Posted Aug 3, 2026

AI Talent Acquisition Specialist

Help strengthen AI training projects by sourcing professionals, assessing candidate fit, and turning talent-market insights into clear recommendations. This remote contractor role offers flexible part-time work at $30–$42 per hour.

General Annotation
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $30–$42/hr

Posted Aug 3, 2026

B2B Sales Development AI Training Specialist

Use five or more years of B2B sales development experience to improve AI training data through prospecting, lead qualification, consultative selling, and expert feedback. This worldwide, part-time contractor role pays $30–$42 per hour for 20+ hours weekly.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $30–$42/hr

Posted Aug 3, 2026

Fitness Program and Exercise Safety Reviewer

Apply your certified personal-training expertise to review fitness programs, exercise guidance, and safety protocols for AI training. This remote contractor role offers flexible part-time work at $25–$40 per hour.

Medical & Health
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $25–$40/hr

Posted Aug 3, 2026

Personal Assistant AI Training Specialist

Use your personal assistance and administrative expertise to help improve next-generation AI systems. This remote, part-time contractor role offers flexible work for English-speaking professionals worldwide, with pay ranging from $20 to $34 per hour.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $20–$34/hr

Posted Aug 3, 2026

Medical AI Clinical Reasoning Evaluator

Help evaluate how medical AI systems reason through realistic clinical problems. This remote, flexible contract is designed for actively practicing licensed physicians and offers up to 30 hours per week.

Medical & Health
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level

Posted Aug 3, 2026

M&A Legal AI Training Associate

Apply advanced M&A and corporate law judgment to evaluate, generate, and improve AI-generated legal content. This remote, part-time contract role offers $140-$400 per hour for US-qualified attorneys with top-tier transaction experience.

Legal & Finance
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $140–$400/hr

Posted Aug 3, 2026

Physics Research Review Expert

Review physics solutions and AI-generated scientific reasoning for correctness, rigor, and clear methodology. This flexible, worldwide contract role offers less than 20 hours per week at $80–$150 per hour.

Generative AI & RLHF
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $80–$150/hr

Posted Aug 3, 2026

Computational Biology & Cheminformatics AI Training Expert

Apply advanced computational biology and cheminformatics expertise to train and evaluate AI systems for computational drug discovery. Build reproducible coding benchmarks, assess scientific outputs, and work 20+ hours per week at $80-$110 per hour.

Coding & Software
Computer Code Programming
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $80–$110/hr

Posted Aug 3, 2026

Physics Model Evaluation Expert

Evaluate advanced AI-generated physics reasoning using expert scientific judgment, rigorous written analysis, and tools such as Python, SymPy, LaTeX, and Jupyter. This worldwide, part-time contract pays $80–$160 per hour.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $80–$160/hr

Posted Aug 3, 2026

Litigation and Transactional AI Review Attorney

Apply US legal expertise to train advanced AI systems through structured review of litigation, M&A, private equity, capital markets, contracts, privacy, and compliance matters. Remote contractor work pays $140–$400 per hour, with 20+ hours per week.

Legal & Finance
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $140–$400/hr

Posted Aug 3, 2026

Robotics Video Data Annotator

Review and annotate robotics video to help train next-generation AI systems. This remote, entry-level contract offers flexible part-time work at $7 per hour, with 20+ hours available weekly.

Image & Video Annotation
Video
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $7/hr

Posted Aug 3, 2026

What this work can involve

AI training work turns human judgment into useful examples for artificial-intelligence systems. Depending on the individual role, tasks may include labeling images or video, transcribing or recording audio, writing or rating model responses, evaluating search results, translating text, reviewing code, or applying subject-matter knowledge. For applicants located in Hong Kong SAR China, the relevant postings are those that explicitly state they accept applicants in that country. Read each listing to understand the specific assignment.

  • Work may involve preparing, checking, or evaluating examples used to develop AI systems.
  • The subject and format can vary, from visual data and audio to language, search, code, or expert review.
  • Eligibility to apply from Hong Kong SAR China is determined by the individual posting.

How hiring works through OpenTrain

OpenTrain is the hiring organization for the public roles on OpenTrain, and candidates apply through OpenTrain. If a candidate is successful, OpenTrain may place or refer them to the client whose project they will support. Because client requirements and role details can differ, review the individual live posting before deciding whether to apply.

  • Apply through OpenTrain rather than directly to an unnamed client.
  • OpenTrain may place or refer successful candidates to the relevant project client.
  • The individual posting controls eligibility and all role-specific requirements.

Frequently asked questions

What can this work involve?
Remote AI training and data labeling work can include annotating images or video, transcribing or recording audio, writing or rating model responses, evaluating search results, translating text, reviewing code, or applying subject-matter knowledge. The exact activity depends on the individual role, so applicants located in Hong Kong SAR China should read each posting carefully.
Where can I find role-specific details?
The individual live posting is the source of truth for whether applicants located in Hong Kong SAR China are eligible and for the role's responsibilities, qualifications, experience, pay, hours, schedule, location rules, and client-specific requirements. Check the full posting for the details that apply to a particular opportunity.
How does hiring work through OpenTrain?
OpenTrain is the hiring organization for roles on OpenTrain, and candidates apply through OpenTrain. OpenTrain may place or refer successful candidates to the client whose project they will support. The individual live posting provides the applicable role information and requirements.