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Remote AI training and data labeling jobs in South Korea

Find remote AI training and data labeling jobs open to applicants in South Korea.

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

LLM Java AI Training Developer

Build Java backend components and help evaluate, fine-tune, and improve large language models. This remote contractor role requires 20+ hours per week, strong English, and solid software development skills.

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

Posted Jul 17, 2026

JavaScript and TypeScript AI Model Evaluation Developer

Build JavaScript and TypeScript code, evaluate AI model responses, create fine-tuning datasets, and support human feedback training. This remote contractor role runs for one month with 20, 30, or 40 hours per week.

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

Posted Jul 17, 2026

AI Coding Evaluation And Training Developer

Help train and evaluate AI coding models with Python, JavaScript or TypeScript, response ranking, dataset creation, and RLHF. This worldwide contractor role requires 20+ hours per week and strong English.

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

Posted Jul 17, 2026

Board Game AI Reasoning Evaluator

Review board game scenarios and AI-generated answers for logic, rules, strategy, and probabilistic reasoning. This flexible, part-time role is open worldwide and requires fluent English.

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

Posted Jul 16, 2026

Personalization AI Response Evaluator (Dutch)

Evaluate personalized AI conversations in Dutch for helpfulness, accuracy, natural language, and evidence. This remote one-month contract pays $20 per hour and requires at least four hours per day.

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

Posted Jul 16, 2026

AI Personalization Evaluator (Vietnamese)

Review how conversational AI uses personal context in Vietnamese, compare responses, and explain your ratings. This remote contractor role pays $15 an hour for 20+ hours per week over three months.

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

Posted Jul 16, 2026

AI Personalization Quality Analyst (Thai)

Evaluate how well an AI uses personal context to make responses more helpful in Thai. This remote contract role pays $15 per hour for 20+ hours weekly and requires use of your primary personal account.

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

Posted Jul 16, 2026

AI Personalization Quality Analyst (Hindi)

Evaluate Hindi AI conversations by writing prompts, comparing responses, checking personalization quality, and explaining your ratings. This contractor role pays $15 per hour and requires 20+ hours each week.

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

Posted Jul 16, 2026

AI Response Evaluator (Indonesian)

Evaluate how well AI uses personal context in Indonesian conversations. Create multi-turn prompts, compare responses, and give clear feedback at $15 per hour with 20+ hours available each week.

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

Posted Jul 16, 2026

AI Quality Analyst (Turkish)

Review Turkish AI responses and interaction-based personalization tasks, apply project guidelines, and explain your judgments clearly. This part-time contract pays $15 per hour and offers 30- or 40-hour schedules with PST overlap.

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

Posted Jul 16, 2026

AI Personalization Response Evaluator (Korean)

Evaluate how AI systems use personal context in Korean conversations, create multi-turn prompts, and write clear feedback. This remote contractor role pays $15 per hour and requires 20+ hours per week.

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

Posted Jul 16, 2026

AI Response Evaluator (Chinese)

Evaluate how well conversational AI uses personal context in Chinese. Compare responses, inspect supporting evidence, and write clear feedback for $15 per hour on a remote, three-month contract.

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

Posted Jul 16, 2026

Personalized AI Response Evaluator (Spanish)

Evaluate Spanish conversational AI responses, design multi-turn prompts, and explain which answers are more helpful and accurate. This remote contractor role pays $15 per hour and requires 20+ hours weekly.

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

Posted Jul 16, 2026

AI Response Evaluator (Arabic)

Evaluate how well AI uses personal context in Arabic conversations. This remote three-month contract pays $15 per hour and requires at least four hours daily, with Pacific Time overlap.

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

Posted Jul 16, 2026

AI Personalization Quality Analyst (Portuguese)

Review how conversational AI uses personal context in Portuguese, create realistic multi-turn prompts, rank responses, and explain quality issues. This part-time contractor role pays $15 per hour and requires at least 20 hours each week.

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

Posted Jul 16, 2026

AI Training Analyst (Russian)

Create and evaluate Russian and English training data for large language models. Research claims, write reasoning tasks, and explain answers while working 20 or more hours each week with US Pacific time overlap.

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

Posted Jul 16, 2026

Business Analyst (Finnish)

Review Finnish and English content, test reasoning and factual accuracy, and give detailed feedback to improve language models. This is a remote, one-month contractor assignment with 20+ hours per week and compensation based on experience.

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

Posted Jul 16, 2026

Software Engineering LLM Evaluator

Review and improve AI-generated code across major programming languages, from design through production operations. This flexible contractor role requires strong software engineering experience and partial PST availability.

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

Posted Jul 16, 2026

LLM Code Evaluation Engineer

Evaluate large language models on real coding problems, inspect open-source repositories, and test bug-fixing tasks locally. This contract role is open worldwide, requires English, and offers 20 or more hours per week.

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

Posted Jul 16, 2026

Math LLM Training Analyst

Create and evaluate mathematical reasoning content for language models. Analyze problems, validate claims, and explain solutions clearly in a remote contract role requiring 20+ hours each week.

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

Posted Jul 16, 2026

Python AI Model Evaluation Developer

Evaluate large language model responses, write Python solutions, and create training data in a fully remote one-month contract. Commit to 20, 30, or 40 hours per week with Pacific Time overlap.

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

Posted Jul 16, 2026

AI Model Evaluation Data Scientist

Evaluate AI models, rank responses, build fine-tuning datasets, and write Python solutions in a fully remote data science contract. Choose 20, 30, or 40 hours per week with four hours of daily Pacific Time overlap.

Generative AI & RLHF
Computer Code Programming
Remote · Worldwide
English
Part-time · Flexible
Entry level

Posted Jul 16, 2026

AI Response Evaluator (Portuguese)

Evaluate Portuguese AI responses for natural, accurate personalization in realistic conversations. This three-month contractor role pays $15 per hour and offers 20 or more hours per week.

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

Posted Jul 15, 2026

AI Personalization Evaluator (German)

Review German-language AI conversations, test how models use personal context, and compare responses for accuracy and naturalness. This remote contractor role pays $15 per hour and requires 20+ hours per week.

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

Posted Jul 15, 2026

QA Lead

Lead Korean language quality review for AI training projects, checking outputs and QA work against detailed rubrics. The role pays $45 per hour, requires 20+ hours weekly, and is open to candidates in South Korea with fluent Korean and strong English.

Translation & Localization
Text
Remote · South Korea
Korean, English
Part-time · Flexible
Intermediate level
Hourly · $45/hr

Posted Jul 9, 2026

AI Training and Evaluation Expert

Review and rank AI-generated responses, check reasoning and facts, and create Korean-language explanations and model solutions. This contractor role pays $40 per hour and requires 20+ hours each week.

Generative AI & RLHF
Text
Remote · South Korea
Korean, English
Part-time · Flexible
Expert level
Hourly · $40/hr

Posted Jul 9, 2026

Document Annotation QA Expert

Review Korean OCR-processed PDF documents, correct annotations, and check layouts, tables, reading order, and text accuracy. This part-time role pays $40 per hour and requires fluent Korean and professional English.

General Annotation
Document
Remote · South Korea
Korean, English
Part-time · Flexible
Entry level
Hourly · $40/hr

Posted Jul 9, 2026

Document Data Extraction Specialist

Review PDF and DOCX files, correct AI-generated extraction drafts, and produce accurate structured data for legal, finance, accounting, and compliance documents. This part-time contractor role pays $8 to $11.20 per hour and requires less than 20 hours per week.

Legal & Finance
Document
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $8–$11.2/hr

Posted May 14, 2026

Accounting Finance Document Annotation Specialist

Review financial PDFs, correct OCR, label document regions, and structure tables and key-value fields for AI training. Earn $7 to $9 per hour with 20 or more hours per week.

Legal & Finance
Document
Remote · Worldwide
English
Part-time · Flexible
Intermediate level
Hourly · $7–$9/hr

Posted Apr 27, 2026

Image Quality Scoring

Rate image quality metrics and image quality assessment tools in a remote, part-time contract role. Work 20 or more hours per week for $5 to $7 per hour.

Image & Video Annotation
Image
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $5–$7/hr

Posted Apr 15, 2026

What this work can involve

AI training work involves human preparation and review of examples used by artificial-intelligence systems. Depending on the individual opportunity, this 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. For applicants located in South Korea, each live posting defines the work and its applicable location rules.

  • Tasks may involve visual content, audio, written responses, search results, translation, code, or subject-matter review, as stated in the individual posting.
  • The live posting is the source of truth for responsibilities, qualifications, experience, eligibility, hours, and pay.
  • Review each posting to understand the specific work connected with preparing or reviewing AI examples.

How hiring works through OpenTrain

OpenTrain is the hiring organization for roles open to applicants located in South Korea. 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 details for each opportunity.

  • Candidates apply through OpenTrain.
  • OpenTrain may place or refer successful candidates to the client whose project they will support.
  • Read the individual live posting for role-specific eligibility and other requirements.

Frequently asked questions

What can this work involve?
Remote AI training and data labeling work open to applicants located in South Korea can involve preparing or reviewing material used by artificial-intelligence systems. Depending on the individual posting, this may include image or video annotation, audio transcription or recording, response writing or rating, search-result evaluation, translation, code review, or subject-matter review. The live posting determines the actual responsibilities.
Where can I find role-specific details?
The individual live posting is the only source of truth for eligibility, qualifications, responsibilities, experience, pay, hours, schedule, location rules, and client-specific requirements. Applicants located in South Korea should inspect each posting for the details that apply to that 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 details for each opportunity.