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OpenTrain AIFor AI Companies

Remote AI training and data labeling jobs in Vietnam

Looking for AI-training work while located in Vietnam? OpenTrain is the hiring organization, candidates apply through OpenTrain, and OpenTrain may place or refer successful candidates to the client whose project they will support. AI-training work supports machine-learning systems and can include tasks such as labeling images or video, transcribing or reviewing audio, rating model outputs, translating or checking translations, evaluating search results, or using subject-matter knowledge to judge content, inspect each live posting for the exact duties and requirements.

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

Portuguese Marketing Document AI Specialist

Create, edit, and evaluate Portuguese marketing presentations, reports, and spreadsheets to support AI training. Part-time contractor role (20+ hrs/week), worldwide, native Portuguese required — earn up to $55/hr.

Generative AI & RLHF
Document
Remote · Worldwide
Portuguese, English
Part-time · Flexible
Entry level
Hourly · $10–$55/hr

Posted Jun 30, 2026

Japanese Marketing Document AI Training Specialist

Join OpenTrain to create, translate, and evaluate Japanese marketing documents for AI training—remote contractor, part-time (20+ hrs/week) with pay from $30–$70/hr. Native Japanese and 3+ years of marketing experience required.

Translation & Localization
Document
Remote · Worldwide
Japanese
Part-time · Flexible
Entry level
Hourly · $30–$70/hr

Posted Jun 30, 2026

French Marketing Document Specialist (Remote Contractor)

Join OpenTrain as a part-time contractor producing and reviewing French marketing documents, presentations, and spreadsheets — remote, 20+ hours/week, paid hourly (USD $10–$55/hr). Use your marketing experience and native French skills to help train next-generation AI.

Writing & Editing
Document
Remote · Worldwide
French
Part-time · Flexible
Entry level
Hourly · $10–$55/hr

Posted Jun 30, 2026

Marketing Documents Specialist (Chinese)

Join OpenTrain AI as a remote, bilingual Marketing Documents Specialist to create and review Chinese–English marketing materials for AI training; part-time contractor work at $10–$55/hr with a 20+ hour weekly expectation. Bring marketing experience, native Chinese, and strong Office skills.

Writing & Editing
Document
Remote · Worldwide
Chinese, English
Part-time · Flexible
Entry level
Hourly · $10–$55/hr

Posted Jun 30, 2026

Marketing and Commercial Strategy AI Training Specialist

Review marketing and sales decks, build rubrics, analyze campaign and dashboard data, and help train AI business tools in a contract role paying $50–$60/hr for 20+ hours/week. Join OpenTrain to grow a flexible freelance career shaping how commercial AI behaves.

Generative AI & RLHF
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $50–$60/hr

Posted Jun 30, 2026

Mandarin Translation & Interpretation Specialist

Join OpenTrain as a part-time, remote Mandarin–English translation specialist helping train AI with high-quality business translations, localization, and proofreading. Flexible contract work under 20 hours/week with pay ranging $45–$95 USD/hour.

Translation & Localization
Text
Remote · Worldwide
Chinese, English
Part-time · Flexible
Entry level
Hourly · $45–$95/hr

Posted Jun 30, 2026

Management Consultant / Business Strategy Specialist

Remote contractor role developing strategic recommendations, executive presentations, financial models, and scoring rubrics used to train AI; $50–70/hr, 20+ hrs/week. Join OpenTrain to apply consulting experience to real business documents and help shape model behavior.

Generative AI & RLHF
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $50–$70/hr

Posted Jun 30, 2026

M&A Attorney for Contract Review and AI Evaluation

Expert M&A attorney needed to redline contracts, perform simulated negotiations, and evaluate AI responses to improve contract-review models. Remote contractor role (OpenTrain AI), 20+ hrs/week, $80–$105/hr; requires J.D., active U.S. bar, and 2+ years M&A experience.

Legal & Finance
Text
Remote · Worldwide
English
Part-time · Flexible
Expert level
Hourly · $80–$105/hr

Posted Jun 30, 2026

Lingala Bilingual Language Data Reviewer

Join OpenTrain to transcribe Lingala video content, annotate speaker tone and intent, and provide translation and grammar evaluations to improve AI language models; remote contract work, entry-level, 20+ hrs/week, paid $45–$95 USD per hour.

Translation & Localization
Video
Remote · Worldwide
Lingala, English
Part-time · Flexible
Entry level
Hourly · $45–$95/hr

Posted Jun 30, 2026

Legal AI Training Specialist (Remote, Part-Time)

Help train legal AI by reviewing contracts, interpreting regulations, and writing concise legal summaries for a remote contractor role. Entry-level friendly, 20+ hrs/week, paid $15–$25/hr, English required.

Legal & Finance
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $15–$25/hr

Posted Jun 30, 2026

Korean Video Transcription and Translation Expert

Work remotely as a contract Korean–English transcription and translation specialist for AI training: time-stamped video transcriptions, faithful translations, and nuanced tone evaluation. Minimum 15 hours/week (typical projects 20+); pay USD $20–$65/hr.

Translation & Localization
Video
Remote · Worldwide
Korean, English
Part-time · Flexible
Entry level
Hourly · $20–$65/hr

Posted Jun 30, 2026

Junior Python Game Development Reviewer

Remote contractor role reviewing Panda3D and Python game code for AI training—provide clear critiques, example fixes, and gameplay insights; 20+ hrs/week, pay up to $120/hr. Ideal for Python game devs comfortable with C++ engine integration and GitHub workflows.

Coding & Software
Computer Code Programming
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $50–$120/hr

Posted Jun 30, 2026

Electronic Engineer – Qucs-S Circuit Simulation Expert

OpenTrain AI seeks an experienced Electronic Engineer with deep Qucs-S expertise to design, simulate, and validate circuits remotely (20+ hrs/week). Competitive hourly pay up to $120/hr; contractor, part-time role for skilled simulation engineers who document and mentor teammates.

Coding & Software
Text
Remote · Worldwide
English
Part-time · Flexible
Expert level
Hourly · $50–$120/hr

Posted Jun 30, 2026

JavaScript Frontend Developer

Join OpenTrain as a JavaScript Frontend Developer to build and optimize user-facing tools that power AI training workflows. Remote contract role, 20+ hours/week, pay $30–$90 USD/hour, focused on modern JavaScript, architecture, code quality, and mentoring.

Coding & Software
Computer Code Programming
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $30–$90/hr

Posted Jun 30, 2026

Javanese Translation & Localization Specialist

Join OpenTrain AI as a remote, part-time Javanese translation and localization contractor working under 20 hrs/week to translate, review, and QA written content. Pay range $45–$95/hr; bilingual Javanese/English fluency required.

Translation & Localization
Text
Remote · Worldwide
Javanese, English
Part-time · Flexible
Entry level
Hourly · $45–$95/hr

Posted Jun 30, 2026

Java Backend Developer, AI Training

Join OpenTrain AI as a Java backend developer building Spring-based services that support next-generation AI training. This part-time contractor role is remote, requires 20+ hours/week, and pays $20–$50/hr.

Coding & Software
Computer Code Programming
Remote · Worldwide
English
Part-time · Flexible
Expert level
Hourly · $20–$50/hr

Posted Jun 30, 2026

Japanese-English Transcription Specialist, Remote, Part-Time

Join OpenTrain to transcribe and edit Japanese↔English audio and text in a flexible, remote contractor role (20+ hrs/week). Earn $30–$65/hr working on bilingual transcription and translation tasks that improve real AI systems.

Translation & Localization
Audio
Remote · Worldwide
Japanese, English
Part-time · Flexible
Entry level
Hourly · $30–$65/hr

Posted Jun 30, 2026

Portuguese HR Documents Specialist (Remote, Contract)

Join OpenTrain to create and refine Portuguese HR policies, contracts, and onboarding materials for AI training; contractor, part-time (20+ hrs/week) paid hourly up to $45 USD. Native-level Portuguese, a Bachelor's degree and 3+ years HR documentation experience required.

Writing & Editing
Document
Remote · Worldwide
Portuguese
Part-time · Flexible
Entry level
Hourly · $10–$45/hr

Posted Jun 30, 2026

HR Documents Review Specialist (Korean-English)

Join OpenTrain as a remote contractor creating and reviewing bilingual HR policies and documents to train AI—ideal for HR professionals with native Korean and strong English. Part-time (20+ hrs/week) work paid $10–$55/hr.

Generative AI & RLHF
Document
Remote · Worldwide
Korean, English
Part-time · Flexible
Entry level
Hourly · $10–$55/hr

Posted Jun 30, 2026

German HR Documentation Specialist (Contract, Remote)

Create, review, and optimize German-language HR documents and SOPs for enterprise workflows in a remote contract role; requires native German, 3+ years HR document experience, and expert MS Word/Excel/PowerPoint. Part-time (20+ hrs/week), paid up to $45/hr.

Writing & Editing
Document
Remote · Worldwide
German
Part-time · Flexible
Entry level
Hourly · $10–$45/hr

Posted Jun 30, 2026

Chinese HR Documents Specialist, HR Localization & AI Training

Join OpenTrain AI to help train models using Chinese HR materials: develop, translate, and review employee handbooks, policies, onboarding docs, spreadsheets, and presentations. Remote contractor role (20+ hrs/week), pay $10–$55/hr; native Chinese and strong English required.

Translation & Localization
Document
Remote · Worldwide
Chinese, English
Part-time · Flexible
Entry level
Hourly · $10–$55/hr

Posted Jun 30, 2026

Hmong Language AI Trainer (Remote, Part-Time)

Join OpenTrain to translate, review, and evaluate Hmong language content that improves AI behavior; this contract role is remote, requires native or near-native Hmong, and pays USD $40–$95/hr. Expect 20+ hours/week working on translation, evaluation, and linguistic analysis tasks.

Translation & Localization
Text
Remote · Worldwide
Hmong, English
Part-time · Flexible
Entry level
Hourly · $40–$95/hr

Posted Jun 30, 2026

Hindi Audio Transcriber And Annotation Specialist

Contract remote role transcribing and annotating Hindi audio for AI systems—paid at $16/hr, 20+ hours/week. Edit machine transcripts, add metadata, and deliver accurate, confidential transcription assets for model training.

Audio & Speech
Audio
Remote · Worldwide
Hindi
Part-time · Flexible
Entry level
Hourly · $8–$16/hr

Posted Jun 30, 2026

Go Backend Developer & AI Coding Tools Reviewer

OpenTrain AI is hiring a remote Go backend developer to build REST/GraphQL endpoints and run focused evaluations of alpha AI coding tools; part-time (<20 hrs/week), contract role paying $30–$90/hr. Ideal for experienced Go engineers who enjoy debugging and product QA.

Coding & Software
Computer Code Programming
Remote · Worldwide
English
Part-time · Flexible
Intermediate level
Hourly · $30–$90/hr

Posted Jun 30, 2026

Gã-English Video Transcription Specialist

Remote contract role transcribing and annotating Gã–English video for AI training; earn $45–95/hr and work 20+ hours/week. Ideal for native/nearly-native Gã speakers with strong transcription and language-analysis skills.

Translation & Localization
Video
Remote · Worldwide
GAA, English
Part-time · Flexible
Entry level
Hourly · $45–$95/hr

Posted Jun 30, 2026

Funds Contracts Attorney, Contract Redlining

Part-time contractor role reviewing and grading AI-generated contract redlines for fund documents (LPAs, subscription agreements, side letters). Requires active U.S. bar and funds-department experience; pays $80–$105/hr and is under 20 hrs/week.

Legal & Finance
Text
Remote · Worldwide
English
Part-time · Flexible
Intermediate level
Hourly · $80–$105/hr

Posted Jun 30, 2026

French Transcription & Annotation Specialist

Join OpenTrain as a remote French transcription and annotation contractor to improve machine-generated French transcripts; part-time (20+ hrs/week), hourly pay in USD ($10–$25/hr), worldwide, entry-level friendly. Bring French fluency and strong attention to detail.

Audio & Speech
Audio
Remote · Worldwide
French, English
Part-time · Flexible
Entry level
Hourly · $10–$25/hr

Posted Jun 30, 2026

Canadian French Transcription Specialist

Remote contract role transcribing and annotating Canadian French audio: correct machine transcripts, add metadata and entity tags, and document edits. Entry-level, 20+ hrs/week, pay USD $15–25/hour, open worldwide.

Audio & Speech
Audio
Remote · Worldwide
French
Part-time · Flexible
Entry level
Hourly · $15–$25/hr

Posted Jun 30, 2026

Financial Services AI Training Expert, Personal Finance

Contract role evaluating AI financial advice, drafting client prompts, and building review rubrics; pay $80–$110/hr for 20+ hrs/week. Ideal for financial advisors, tax planners, or wealth managers who can explain complex personal finance clearly.

Legal & Finance
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $80–$110/hr

Posted Jun 30, 2026

Financial Documents Specialist (Portuguese)

Join OpenTrain as a contractor to review, create, and refine Portuguese financial documents for AI training. Part-time (20+ hrs/week), remote work with pay up to $45/hr; strong finance background and native Portuguese required.

Legal & Finance
Document
Remote · Worldwide
Portuguese
Part-time · Flexible
Entry level
Hourly · $10–$45/hr

Posted Jun 30, 2026

What this work can involve

Work open to applicants located in Vietnam can involve a range of human-in-the-loop activities used to teach, test, and refine AI. Examples include annotating visual data, transcribing or reviewing audio, writing or rating model responses, evaluating search results, translating text, and applying domain knowledge to assess outputs. Each live posting describes the specific task type, any language requirements, and the detailed instructions for that role.

  • Examples of task types include image or video annotation, audio transcription and review, model-response rating, and translation checks.
  • Some roles require knowledge of particular subject areas or languages; those requirements are listed on the posting.
  • Check each live posting for the exact task description, eligibility rules, and any language or content needs.

How hiring works through OpenTrain

OpenTrain is the hiring organization for roles that accept applicants located in Vietnam; candidates apply through OpenTrain, and OpenTrain may place or refer successful candidates to the client whose project they will support. The individual live posting is the only source of truth for eligibility, responsibilities, qualifications, hours, pay, and any client-specific rules.

  • Candidates apply through OpenTrain.
  • OpenTrain may place or refer successful candidates to the client for the project they will support.
  • Refer to the live posting for role-specific eligibility and terms.

Frequently asked questions

What can this work involve?
Roles that accept applicants located in Vietnam involve human tasks used to train and evaluate AI systems. Depending on the posting, tasks can include labeling images or video, transcribing or reviewing audio, rating or editing model responses, checking or producing translations, evaluating search results, or applying subject-matter knowledge to judge outputs. Each posting explains the exact responsibilities and any language or content requirements.
Where can I find role-specific details?
The individual live posting is the only source of truth for eligibility, responsibilities, qualifications, experience, pay, hours, schedule, and client-specific requirements. Inspect the posting carefully to confirm whether you meet the listed qualifications and to learn the exact duties and working terms for that role.
How does hiring work through OpenTrain?
Candidates apply through OpenTrain; OpenTrain is the hiring organization and may place or refer successful applicants to the client whose project they will support. For specifics about who can apply and what a role requires, consult the individual live posting for that opportunity.