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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

AI Coding Agent Evaluation Expert

Evaluate AI coding agents using your professional STEM experience, document complex technical workflows, and provide feedback that improves next-generation coding systems. Remote contractor work pays $80–$100 per hour and requires 20+ hours weekly.

Coding & Software
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $80–$100/hr

Posted Aug 7, 2026

STEM AI Coding Agent Evaluator

Evaluate AI coding agents on complex STEM projects and provide technical feedback that improves how AI systems reason and execute tasks. This remote contractor role offers asynchronous work at $80–$100 per hour.

Coding & Software
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $80–$100/hr

Posted Aug 7, 2026

Mathematics Problem and Proof AI Training Expert

Use advanced mathematics expertise to author, review, and refine rigorous problems, solutions, and proofs for AI training. This flexible remote contractor role pays $80-$90 per hour and requires 20+ hours weekly.

Generative AI & RLHF
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $80–$90/hr

Posted Aug 7, 2026

AI Coding Agent Evaluation Expert

Evaluate AI coding agents on complex software development workflows, from debugging and codebase navigation to architectural changes. This remote contractor role pays $80–$100 per hour and requires 20+ hours per week.

Coding & Software
Computer Code Programming
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $80–$100/hr

Posted Aug 7, 2026

CNC Manufacturing Documentation Reviewer

Review CNC manufacturing job packs for authenticity, technical relevance, completeness, and workflow consistency. This remote, part-time contractor role pays $40-$50 per hour and requires practical CNC and manufacturing documentation experience.

General Annotation
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $40–$50/hr

Posted Aug 7, 2026

Enterprise AI Workflow Expert

Help improve AI agents by designing realistic enterprise workflows, evaluating reasoning and tool use, and translating business processes into actionable model feedback. This flexible, worldwide contract role pays $80–$150 per hour for 20+ hours weekly.

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

Posted Aug 6, 2026

Manufacturing Process AI Evaluation Specialist

Use your CAM, CNC, and digital manufacturing expertise to evaluate AI-generated workflows and recommendations. This remote contractor role offers flexible part-time work at $50–$100 per hour.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $50–$100/hr

Posted Aug 6, 2026

CAM Programmer – Multi-Axis CNC Toolpaths

Use your Fusion 360 and multi-axis CNC expertise to create advanced toolpaths, setup documentation, and instructional content that helps train next-generation AI systems. Remote contract work offers 20+ hours per week at $50–$100 per hour.

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

Posted Aug 6, 2026

CNC Machinist - AI Training Contractor

Use your CNC machining expertise to help train next-generation AI systems. This remote contract role offers flexible part-time work at $50-$100 per hour for experienced machinists worldwide.

General Annotation
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $50–$100/hr

Posted Aug 6, 2026

Senior Coding Benchmark Software Engineer

Design realistic coding-agent benchmarks that test software engineering performance, safety, and security. Use your production engineering expertise on flexible, remote AI training work with OpenTrain.

Coding & Software
Computer Code Programming
Remote · Worldwide
English
Part-time · Flexible
Entry level

Posted Aug 6, 2026

Music AI Response Reviewer

Apply your music expertise to review prompts and evaluate AI-generated responses for accuracy, reasoning, completeness, and quality in a flexible, remote AI-training role.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level

Posted Aug 6, 2026

Science & Technology LLM Evaluator

Use advanced science and technology expertise to design challenging prompts, evaluate LLM responses, and provide evidence-based feedback. This remote, part-time contractor role is open worldwide and requires 20+ hours per week.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level

Posted Aug 6, 2026

Korean Audio Transcription Expert

Transcribe and quality-check Korean and English audio for AI training at $24–$35 per hour. This remote, part-time contractor role offers 20+ hours per week for experienced Korean linguists who deliver precise language data.

Audio & Speech
Audio
Remote · Worldwide
Korean, English
Part-time · Flexible
Entry level
Hourly · $24–$35/hr

Posted Aug 5, 2026

Backend Engineer, Cloud Infrastructure AI Evaluation

Build realistic cloud environments that test how AI systems design, deploy, secure, troubleshoot, scale, and recover production-grade infrastructure. This worldwide contract role offers flexible work at $50–$100 per hour.

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

Posted Aug 5, 2026

AI Training Software Engineer

Build reinforcement learning environments that test AI models on real software engineering tasks. Work remotely on a flexible contract of fewer than 20 hours per week, earning $100-$150 per hour.

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

Posted Aug 5, 2026

Bacterial Population Physics Modeler

Apply stochastic population physics, renewal theory, and first-passage analysis to evaluate scientific materials used in AI training. Remote, part-time contract work pays $80–$160 per hour.

General Annotation
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $80–$160/hr

Posted Aug 5, 2026

Gravitational Physics AI Training Expert

Apply advanced gravitation and cosmology expertise to research-level AI training benchmarks. This remote contractor project offers flexible work at $80–$160 per hour for about 10 hours weekly over 8–10 weeks.

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

Posted Aug 5, 2026

Japanese Audio Recording Expert

Record and edit authentic Japanese audio that helps train next-generation AI systems. This flexible, part-time remote contractor role pays $10–$30 per hour and requires at least three years of professional Japanese audio experience.

Audio & Speech
Audio
Remote · Worldwide
Japanese
Part-time · Flexible
Entry level
Hourly · $10–$30/hr

Posted Aug 5, 2026

Immigration Law AI Evaluation Attorney

Apply your immigration-law expertise to evaluate AI-generated legal content, refine documents, and improve how AI handles complex legal concepts. This worldwide, part-time contract role offers 20+ hours per week and pays $140–$400 per hour.

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

Posted Aug 5, 2026

Civil Rights AI Evaluation Attorney

Use your civil rights expertise to review legal documents, develop realistic scenarios, and evaluate AI-generated legal responses. This flexible contractor role offers $140–$400 per hour and requires 20+ hours per week.

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

Posted Aug 5, 2026

Medical Coding AI Training Expert

Use your AAPC coding expertise to help train next-generation AI by reviewing clinical documentation, assigning ICD-10 and CPT codes, and applying E&M guidelines. Worldwide contract work pays $55–$68 per hour.

Medical & Health
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $55–$68/hr

Posted Aug 5, 2026

Healthcare Legal AI Training Attorney

Use your U.S. healthcare law expertise to review legal materials, evaluate AI responses, and strengthen model reasoning. This remote contractor project offers approximately 20 hours per week for 1–3 months at $140–$400 per hour.

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

Posted Aug 5, 2026

Medical Coding Audit AI Training Expert

Use 10+ years of outpatient coding and academic medical center audit experience to evaluate complex records and help improve AI systems, with flexible contractor work paying $55–$68 per hour.

Medical & Health
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $55–$68/hr

Posted Aug 5, 2026

Criminal Defense Legal AI Evaluation Attorney

Apply criminal defense expertise to evaluate AI-generated legal content, analyze court scenarios, and create accurate training examples. This remote contractor engagement offers flexible part-time work at $140-$400 per hour.

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

Posted Aug 5, 2026

Family Law AI Evaluation Attorney

Use your active family law license and practical legal judgment to evaluate AI-generated legal content, create realistic training scenarios, and improve model accuracy. Remote contractor work offers 20+ hours per week at $140–$400 per hour.

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

Posted Aug 5, 2026

Criminal Law AI Training Expert

Apply your criminal-law expertise to train and evaluate next-generation AI systems through remote document review, scenario development, and legal-text assessment. Contract work is worldwide, English-language, and pays $140–$400 per hour.

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

Posted Aug 5, 2026

US English Voice Recording Specialist

Create clear, natural US English voice recordings for AI training from anywhere. Use your audio-production skills in a flexible contractor role paying $10–$30 per hour with 20+ hours available each week.

Audio & Speech
Audio
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $10–$30/hr

Posted Aug 5, 2026

Hindi Audio Recording Expert

Record and review Hindi audio to help improve AI systems in a flexible remote contractor role. Work about 20 hours per week for 1–3 months at $10–$30 per hour.

Audio & Speech
Audio
Remote · Worldwide
Hindi
Part-time · Flexible
Entry level
Hourly · $10–$30/hr

Posted Aug 5, 2026

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

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.