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Remote AI training and data labeling jobs in South Korea

Looking for AI-training or data-labeling work while located in South Korea? OpenTrain is the hiring organization, candidates apply through OpenTrain, and OpenTrain may place or refer successful candidates to the client whose project they support. Roles that explicitly accept applicants located in South Korea can involve a range of human-review tasks used to improve AI systems; review each live posting for the full eligibility and task list.

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

Audio Segmentation and Emotion Transcription

Transcribe and emotion-tag short English audio clips remotely at $8/hr; flexible part-time contractor work under 20 hrs/week. Ideal for careful listeners with strong English writing who can select 10–12s high-arousal segments, rate valence/arousal, and produce detailed and concise transcriptions.

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

Posted Oct 21, 2024

Long-Term Image & Video Data Labeler, Western Europe

Join a long-term, remote image/video annotation project for Western Europe–based contractors: roughly 15–20 hours/week, flexible schedule, $14/hr. We're looking for reliable annotators with 2–3+ years' experience in bounding boxes, polygons, segmentation and common annotation tools.

Image & Video Annotation
Image
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $14/hr

Posted Sep 3, 2024

Image & Video Data Labeler, Latin America (15–20 hrs/wk)

Join a long-term, remote image and video annotation project for contributors based in South America/Latin America — part-time (15–20 hrs/week), flexible schedule, $3.75/hr. We’re seeking experienced labelers with 2–3+ years in bounding boxes, polygons, segmentation, keypoints and classification.

Image & Video Annotation
Image
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $3.75/hr

Posted Sep 3, 2024

Visual Data Labeler, Images & Video (15–20 hrs/wk)

Join OpenTrain AI as a long-term visual data labeler working 15–20 hours per week on image and video annotation (bounding boxes, polygons, cuboids, keypoints, classification). Must be located in the USA or Canada with 2–3 years of computer vision annotation experience; pay is $14 USD/hour.

Image & Video Annotation
Image
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $14/hr

Posted Sep 3, 2024

Short Audio Recording Project For Spanish-Speakers

Record 11 English trigger words (132 short clips total) in quiet and reflective spaces with varied speed, tone, and emotion; estimated 1 hour and paid $9.24 upon completion. Ideal if you live in a Spanish-speaking country, have basic English, and clear recording equipment.

Audio & Speech
Audio
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $9.24/hr

Posted Aug 23, 2024

Short-Notice English Audio Recording (US/Canada)

Urgent short project for native English speakers in the USA and Canada: record 11 trigger words 12 times each across quiet and reflective environments plus four emotional states — 132 clips total. Entry-level contractor work at $15/hr; complete within 2–4 days.

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

Posted Aug 23, 2024

Software Developer & AI Trainer, JSON, Tables, Native Languages

Use your software development skills to design and edit JSON, tables, and prompts in one native language to train generative AI models. Remote contractor role at $25/hr with a minimum 15 hours/week (preferred 20+), must be able to start Aug 19.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $25/hr

Posted Aug 14, 2024

Senior Spanish Creative Writer For LLM Chatbot Training

OpenTrain seeks a Spain-based native Spanish creative writer to craft culturally authentic chatbot dialogue for LLM training; remote contract, flexible hours with a 10-hour minimum and pay at $18.74/hr.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $18.74/hr

Posted Aug 8, 2024

Frontend Web Developer, HTML/CSS/JS (US & Canada)

Work remotely as a frontend developer annotating web UI screenshots, producing Q&A pairs, and improving HTML/CSS/JS code; open to contractors in the USA and Canada with 2+ years of experience. Part-time (20+ hrs/week), immediate start — submit a competitive hourly rate (max $25/hr; target $20/hr).

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $23/hr

Posted Aug 6, 2024

German Frontend Developer, HTML/CSS/JS (AI Labeling)

OpenTrain AI is hiring Germany-based native German frontend developers to create annotations, Q&A pairs, and code edits from website screenshots. Part-time contractor work at $25/hr, minimum 15 hrs/week, must start Aug 12 and complete a coding skills test.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $25/hr

Posted Aug 6, 2024

French Frontend Developer, HTML/CSS/JS Data Labeling

Join OpenTrain AI to annotate website screenshots, create Q&A pairs, and improve HTML/CSS/JS code for an ongoing AI training project. Must be a native French speaker based in France, available to start August 12 and commit at least 15 hours/week at $20.50/hr.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $20.5/hr

Posted Aug 6, 2024

Spanish Frontend Developer, Web Annotation & Code Editing

Join OpenTrain AI as a Spanish-speaking frontend developer to annotate web screenshots, create Q&A pairs, and edit HTML/CSS/JS to improve site behavior. Remote, contract, immediate start (Aug 12) with a required coding test and a minimum 15 hours/week commitment.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $8.82/hr

Posted Aug 6, 2024

Spanish Creative Writer (USA), LLM Chatbot Training

Join OpenTrain AI to write realistic Spanish dialogue and refine LLM chatbot responses; $25/hr, flexible contract work with a 10-hour minimum and a preferred 20+ hrs/week. Must be a native Spanish speaker living in the USA for 5+ years with strong creative writing experience.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $25/hr

Posted Aug 6, 2024

Cantonese Creative Writer For LLM Chatbot Training

Work remotely as a Cantonese creative writer crafting and polishing chatbot responses to train LLMs—flexible contract hours, $19/hr, minimum 10 hours/week with preferred 20+ hours. Ideal for experienced Cantonese writers with strong editing skills and a portfolio.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $19/hr

Posted Jul 30, 2024

Mandarin Creative Writer for LLM Training

Seeking an experienced Mandarin creative writer to craft and refine chatbot dialogue for AI training. Part-time remote contract (flexible hours) paying $15/hr; candidates with 5+ years writing experience and prior platform writing tasks are preferred.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15/hr

Posted Jul 25, 2024

Polygon Segmentation For Game Screenshots

Draw polygon masks around doors in about 1,000 game screenshots using Labelbox; entry-level, remote contract work at $8/hr, under 20 hours/week. Video-game experience helps but is not required.

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

Posted Jul 23, 2024

Portuguese Creative Writer for LLM Chatbot Training

Remote contract role crafting authentic Portuguese dialogue and editing AI-generated text to train LLM chatbots — $17/hr, flexible schedule with a minimum 10 hrs/week (preferred 20+). Requires strong creative writing in Portuguese; portfolio and platform experience preferred.

Writing & Editing
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $17/hr

Posted Jul 23, 2024

French Creative Writer For LLM Chatbot Training

OpenTrain AI seeks an experienced French creative writer to craft and refine chatbot dialogue for LLM training; flexible remote contract work (min 10 hrs/week, preferred 20+), paid $27/hr, with a short French-language test during interview.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $27/hr

Posted Jul 23, 2024

Spanish Creative Writer, LLM Chatbot Training

Join OpenTrain AI as a remote Spanish (Mexico/Chile) creative writer to craft natural, culturally accurate chatbot dialogues; flexible schedule with a preferred 20+ hrs/week and pay of $8.21/hr. Ideal for experienced Spanish writers who enjoy language and AI.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $8.21/hr

Posted Jul 23, 2024

Italian Creative Writer For LLM Chatbot Training

Remote contract role writing authentic Italian dialogue to train LLM chatbots — flexible hours, $28/hr, minimum 10 hrs/week with preference for candidates available for 20+ hrs. Ideal for experienced Italian creative writers who care about linguistic nuance.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $28/hr

Posted Jul 23, 2024

German Creative Writer for LLM Chatbot Training

Remote contract role writing German dialogue to train conversational AI—create authentic, regionalized responses and edit AI output. Part-time contractor work at $24/hr with flexible hours (minimum 10 hrs/week; preferred 20+ hrs/week).

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

Posted Jul 23, 2024

Japanese Creative Writer For LLM Chatbot Training

Join OpenTrain AI as a remote Japanese creative writer producing and editing dialogue for LLM chatbots; flexible hours, $20/hr, minimum 10 hrs/week (preferred 20+), and a chance to shape how AI communicates in Japanese. Native-level Japanese writing skill and strong creative experience required.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $20/hr

Posted Jul 23, 2024

Korean Creative Writer For LLM Chatbot Training

Remote contract role creating authentic Korean dialogue to train LLM chatbots; flexible hours with a 10-hour minimum (preferred 20+ hrs/week) at $17/hr. Ideal for experienced Korean creative writers who can produce dialect-aware, polished responses and complete a short Korean-language test.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $17/hr

Posted Jul 23, 2024

Audio Edit Quality Annotator for Speech Data

Review and label 5 hours of edited speech audio by comparing edits to transcripts and waveforms to identify and segment problematic regions; intermediate audio-editing experience required. This is remote contractor work paid at $0.1275 per label.

Audio & Speech
Audio
Remote · Worldwide
Flexible hours
Intermediate level
Per task · $0.1275/label

Posted Jul 16, 2024

Advanced Python QA for AI Model Training

OpenTrain AI seeks experienced Python QA engineers to review code and ensure SLA-level quality for LLM data training projects. This remote, contractor role requires 5+ years of Python, a B2+ English level, and a reliable 30–40 hours/week commitment for 6+ months at $13/hr.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $13/hr

Posted Jun 25, 2024

TypeScript Developer, AI Training & Code Annotation

Join OpenTrain as a remote TypeScript developer working 20–40 hours/week on an ongoing AI training project; you’ll write and debug TypeScript snippets to produce high-quality training data. This long-term (6+ months) contractor role pays $7.25/hr and requires 2+ years of professional TypeScript expe

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $7.25/hr

Posted Jun 25, 2024

JavaScript Developer, AI Training (Remote, 20–40 hrs/wk)

Join OpenTrain AI as a contracted JavaScript developer to write and debug code for an AI training project. 6-month, remote role (20–40 hrs/week) with a $6.90/hr pay rate and a required JavaScript coding assessment after application.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $6.9/hr

Posted Jun 25, 2024

C++ Programmer, LLM Training Data (Remote, 20–40 hrs/wk)

Join a remote, long-term project building C++ training data for large language models: write and debug short C++ programs, optimize AI-generated code, and produce precise training examples. Contractor role, 20–40 hrs/week for ~6 months; requires a CS-related degree and 2+ years C++ experience.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $6.85/hr

Posted Jun 25, 2024

Java Developer, AI/LLM Training (Long-Term, Remote)

Join OpenTrain AI as a remote Java developer on a long-term (6+ month) contract creating and debugging Java code to build training datasets for large models. Flexible 20–40 hrs/week; $6.75/hr; candidates complete a short Java coding assessment after proposal.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $6.75/hr

Posted Jun 25, 2024

Scala Developer for AI/LLM Training (Remote Contract)

Join OpenTrain AI as a remote Scala developer on a long-term (6+ month) AI/LLM training project, writing and debugging Scala code to create training datasets; flexible 20–40 hrs/week (preferred 25–40) at $9.28/hr. Apply with a proposal and complete a Scala coding assessment as the next step.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $9.28/hr

Posted Jun 22, 2024

What this work can involve

Work for applicants located in South Korea falls under AI training and data-labeling activities used to build and refine machine-learning systems. Tasks listed on postings can include annotating images or video, transcribing or annotating audio, translating or verifying text, writing or rating model responses, evaluating search relevance, or applying subject-matter knowledge to review content. The individual posting defines the exact responsibilities, any language expectations, and the scope of work for that role.

  • Examples of tasks: image/video annotation, audio transcription, translation, content rating, and search or code evaluation.
  • Individual postings specify required skills, language expectations, eligibility, hours, and pay.
  • Only roles that explicitly state they accept applicants located in South Korea are included on this page.

How hiring works through OpenTrain

All applications for these roles are submitted through OpenTrain. OpenTrain is the hiring organization for the roles presented on OpenTrain and may place or refer successful candidates to the client whose project they support. The individual live posting is the authoritative source for eligibility, qualifications, schedule, pay, hours, location rules, and any client-specific requirements.

  • Candidates apply through OpenTrain.
  • OpenTrain may place or refer successful candidates to the client whose project they will support.
  • Refer to the individual live posting for the project's eligibility rules and required qualifications.

Frequently asked questions

What can this work involve?
Work for applicants located in South Korea can involve a variety of data-preparation and review tasks that help train machine-learning models. Typical examples listed on postings include labeling images or video frames, transcribing or annotating audio, translating or verifying text, rating model-generated responses, and judging search results or short code examples. Each posting will describe the task scope, any language requirements, and the instructions you must follow for that specific role.
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, location rules, and client-specific requirements. Review each posting to confirm who can apply and what the role requires before submitting an application.
How does hiring work through OpenTrain?
OpenTrain is the hiring organization and candidates apply through OpenTrain. OpenTrain may place or refer successful candidates to the client whose project they support. For project-specific hiring terms and any client rules, consult the individual live posting.