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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
  • 6 open roles

Creative Web UI Designer, No-Code Landing Pages

Design and build high-converting landing pages and brand storefronts using no-code platforms (Shopify, Webflow, Squarespace, WordPress). Part-time contractor role (<20 hrs/week) with hourly pay ($10–$25/hr, typical $20/hr); strong portfolio with live links required.

General Annotation
Image
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $10–$25/hr

Posted Mar 11, 2026

Document and Email Data Extraction Reviewer

Review AI-extracted records from PDFs, emails and scanned files: confirm, correct, fill missing fields, and flag ambiguities for escalation. Part-time contractor role, $12/hr, under 20 hours/week — ideal for people with invoices, orders, or logistics experience.

General Annotation
Document
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $12/hr

Posted Mar 3, 2026

Fine-Tune C++ JUCE Audio DSP Model, Dataset Curation & QLoRA

Join OpenTrain to build a supervised fine-tuning dataset and run QLoRA on Qwen3-Coder for JUCE/C++ audio DSP. This contract role requires expert JUCE/DSP experience to extract code from 40+ repos, craft 3,000–5,000 ChatML examples, and fine-tune with Unsloth.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Expert level
Fixed price · $1000

Posted Feb 27, 2026

Vibecode Specialist - Web Scraping & Data Extraction

Join OpenTrain AI to build end-to-end Python scraping pipelines and deliver clean structured datasets (CSV/JSON/Sheets). Remote, 20+ hrs/week at $20/hr; you must have hands-on experience with dynamic/JS-rendered sites and B2+ English.

Coding & Software
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $20/hr

Posted Feb 26, 2026

Remote Voice Actor, US English Recording

Record high-quality US English speech samples to train and evaluate AI speech systems for $30/hr. This contractor role is remote and requires professional recording equipment and native or near-native US English pronunciation.

Audio & Speech
Audio
Remote · Worldwide
Flexible hours
Intermediate level
Hourly · $30/hr

Posted Feb 22, 2026

AI Quality Analyst, Text Prompt & Response Reviewer

Review AI prompts and model responses, labeling for accuracy, relevance, clarity, and safety in a flexible remote contract role. Entry-level position paying $5/hr for under 20 hours per week with clear guidelines, examples, and random quality audits.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $5/hr

Posted Feb 22, 2026

French ARPABET Phoneme Transcription Specialist

OpenTrain AI seeks native-level French speakers to produce ARPABET phoneme- and word-level transcriptions for 1–2 minute audio clips. This remote, contract role requires 20+ hrs/week, passing a qualification quiz, and pays $18–$20 USD/hour.

Audio & Speech
Audio
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $18–$20/hr

Posted Feb 20, 2026

Local Face Data Collection Teams, Contract $25–30/hr

OpenTrain AI seeks experienced local teams to run on-the-ground facial image collection projects; part-time contractor work pays $25–30/hour for under 20 hours/week. Teams must demonstrate prior offline face-collection experience and basic English.

Data Collection
Image
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $25–$30/hr

Posted Feb 6, 2026

Native Japanese Transcriber, 1 hr/day, Remote (Japan Only)

OpenTrain AI seeks native Japanese speakers in Japan to transcribe short audio clips and verify audio quality; long-term, flexible schedule (~1 hour/day, Mon–Fri) at $15/hr. Must follow strict guidelines and complete a short screening sample.

Audio & Speech
Audio
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15/hr

Posted Feb 5, 2026

Native Italian Transcriptionist, Italy, 1 hr/day

Join OpenTrain to transcribe short Italian audio clips for a long-term, flexible role (~1 hour/day, Mon–Fri). Work remotely from Italy using Labelbox, complete a short screening sample, and earn $11/hr while helping train speech AI.

Audio & Speech
Audio
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $11/hr

Posted Feb 5, 2026

Egocentric Video Annotator, C1 English

OpenTrain is hiring part-time contractor annotators to create dense, multi-tier captions and sub-second trajectory labels for first-person video. C1 English, strong timestamping skills, and availability for a February pilot required; pay is USD 8/hour.

Image & Video Annotation
Video
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $8/hr

Posted Feb 2, 2026

Japanese PDF Annotator & QA Reviewer

Native Japanese speakers in Japan needed to annotate and QA Japanese PDFs: draw bounding boxes, classify elements, correct OCR, and create simple HTML table descriptions. Pilot 2–3 hours; ongoing flexible contractor work. Pay: $18/hr (Annotator), $20/hr (QA).

General Annotation
Document
Remote · Worldwide
Flexible hours
Intermediate level
Hourly · $18/hr

Posted Jan 29, 2026

Part-Time Energy Content Writer, 1 Hour/Month

OpenTrain is hiring an entry-level content writer to produce and review energy-focused text with occasional annotation work in AWS SageMaker; this contract is roughly one paid hour per month for a fixed $100 fee. Remote worldwide — you must set up equipment/accounts and be punctual for any scheduled

Writing & Editing
Text
Remote · Worldwide
Flexible hours
Entry level
Fixed price · $100

Posted Jan 17, 2026

Board-Certified Radiologist, CT/MRI Annotation

Seeking US-based, board-certified radiologists (MD) to perform CT and MRI DICOM annotation (polygon, segmentation, diagnostic labels) for a contract radiology project; hourly pay $150 and contracted through OpenTrain AI.

Medical & Health
Medical Dicom
Remote · Worldwide
Flexible hours
Entry level
Hourly · $150/hr

Posted Jan 15, 2026

Bounding Box Labeler, Purple-Outlined Game Characters

Label bounding boxes around purple-outlined characters for a YOLO training dataset using Roboflow; pay is $0.02 per labeled image. Part-time contractor work (worldwide, <20 hrs/week) for intermediate image-annotation contributors.

Image & Video Annotation
Image
Remote · Worldwide
Part-time · Flexible
Intermediate level
Per task · $0.02/label

Posted Jan 13, 2026

LLM Agent Evaluation Scenario Writer

Design structured evaluation scenarios and gold-standard behaviors for LLM-based agents in a remote, part-time contractor role (20+ hrs/week). Pay $18–$24/hr; requires QA-style thinking, basic Python/JavaScript, and strong written English.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $18–$24/hr

Posted Jan 13, 2026

Native Korean Transcription Specialist

Transcribe short Korean recordings and review audio quality from South Korea in a flexible, long-term role averaging about one hour per weekday. Earn $14 per hour while helping improve speech technology.

Audio & Speech
Audio
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $14/hr

Posted Jan 7, 2026

Native French Transcriber, France, 1 hr/day

Long-term remote contract for native France-based French speakers to transcribe short conversational audio ~1 hour/day on a flexible schedule at $15/hr. Accurate, rule-driven transcripts and simple audio verification tasks required; a short screening sample is part of the process.

Audio & Speech
Audio
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $15/hr

Posted Jan 7, 2026

Hebrew-English Bilingual Language Evaluator

Work remotely as a Hebrew–English bilingual evaluator, reviewing and improving AI-generated text for accuracy, clarity, and reasoning. Part-time contractor role at $32/hr (under 20 hrs/week) for experienced translators, editors, or linguistic QA specialists.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $32/hr

Posted Dec 26, 2025

Private Wealth Management QA Specialist

Create 150 private-wealth Q&A pairs and evaluate model responses against certified-advisor standards, assigning 1–10 ratings. Remote, contract, part-time project (under 20 hrs/week) with a fixed fee of $500, open worldwide to finance professionals.

Legal & Finance
Text
Remote · Worldwide
Part-time · Flexible
Entry level
Fixed price · $500

Posted Dec 19, 2025

Korean–English Localization & LQA Specialist

Part-time contract role for Korean–English localization experts based in South Korea: evaluate and improve AI-generated Korean outputs using MQM/LQA, CAT workflows, and terminology management. Up to 20 hrs/week at $27/hr.

Translation & Localization
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $27/hr

Posted Dec 19, 2025

Japanese–English Localization & LQA Specialist

OpenTrain AI is hiring an experienced Japanese–English localization and LQA specialist to evaluate AI-generated translations, correct outputs, and rate responses using structured criteria. Part-time contractor (remote, worldwide) under 20 hrs/week at $30/hr.

Translation & Localization
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $30/hr

Posted Dec 19, 2025

Spanish–English Localization & LQA Specialist (Spain)

Part-time contractor role for Spain-based localization professionals to evaluate and improve AI-generated Spanish (Spain) outputs; $24/hr, under 20 hrs/week. Requires native/nearly native Spanish, C1+ English, 5+ years localization experience, and strong MQM/LQA and CAT-tool skills.

Translation & Localization
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $24/hr

Posted Dec 19, 2025

German–English Localization & Translation Specialist

OpenTrain AI seeks a Germany-based contract localization expert to evaluate and improve AI-generated German outputs. Part-time (up to 20 hrs/week) work using MQM/LQA and CAT-tool workflows at $35/hr — ideal for seasoned localization professionals.

Translation & Localization
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $35/hr

Posted Dec 19, 2025

Chinese (Simplified)–English Localization & LQA Specialist

OpenTrain seeks an experienced Chinese (Simplified)–English localization and LQA specialist to review and improve AI-generated translations. Part-time, remote contractor role (worldwide), under 20 hrs/week at $24/hr.

Translation & Localization
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $24/hr

Posted Dec 19, 2025

Bash & PowerShell Engineer, Script Review & Automation

Evaluate AI-generated Bash and PowerShell scripts: find bugs, security risks, and portability issues; rate responses and author model solutions. Mid‑senior US‑based contractors with 2–3+ years of scripting experience, Bachelor's required — part‑time up to 20 hrs/week at $40/hr.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $40/hr

Posted Dec 19, 2025

Polish Data Annotator, Remote, Part- or Full-Time

Annotate Polish text, audio, and images for AI training at $20/hr—verify transcriptions, tag entities, and apply sentiment and semantic labels. Flexible remote contractor roles for full-time (8 hrs/day) or part-time (min 20 hrs/week).

Translation & Localization
Image
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $20/hr

Posted Dec 18, 2025

Dutch Native Two-Person Conversation Recording

Record five short Dutch conversations with another speaker (about 1.5 hours total) and earn a fixed $100 payment; four street-style and one in-car scenario. Fully remote and open worldwide — all recordings must be completed before Monday.

Audio & Speech
Audio
Remote · Worldwide
Part-time · Flexible
Entry level
Fixed price · $100

Posted Dec 17, 2025

AI Data Annotation Specialist

Join OpenTrain AI as a part-time contractor annotating programming and related datasets; this remote role is open to Indian nationals based in India, requires a Bachelor's in Computer Science or related and expert annotation skills, and offers a fixed USD 10 payment with under 20 hours/week expected

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Expert level
Fixed price · $10

Posted Dec 17, 2025

Automotive CAN Signal Dataset Generator

Generate a training dataset that maps natural-language vehicle use cases to lists of CAN signals using OpenTrain's proprietary tooling; fixed-price contractor role paying $2,000 USD. Subject-matter expertise in automotive CAN signals is required.

Data Collection
Document
Remote · Worldwide
Flexible hours
Intermediate level
Fixed price · $2000

Posted Dec 15, 2025

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.