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.
Join OpenTrain AI as a Video Annotation AI Trainer to label short video clips for model training—work remotely 20+ hours/week and earn $40–$80 per hour while building a verifiable portfolio in a fast-growing field.
Posted Jul 11, 2026
Join OpenTrain to implement C++ checker solutions during a live competitive programming contest — $45–$65/hr, 20+ hrs/week, one-time live participation with estimated project earnings of $7,200–$10,400. Remote, contractor-friendly role for skilled C++ competitive programmers.
Posted Jul 11, 2026
Join OpenTrain AI as a remote Architect CAD and Construction Documentation Reviewer—work 20+ hrs/week creating and reviewing CAD drawings, GD&T callouts, electrical schematics, and PCB layouts to train next-generation AI; $40–$50/hr, worldwide, English required.
Posted Jul 11, 2026
Label short video clips for event classification and precise timestamping in a flexible, remote contractor role. Work 20+ hours/week with pay from $40–$80/hr, using strong attention to detail and English to produce high-quality training data.
Posted Jul 11, 2026
Build C++ checkers and test suites that validate complex competitive-programming submissions for next-generation AI training. Remote, contract role for strong competitive programmers who can design problems, write reference solutions, and document edge-case logic.
Posted Jul 11, 2026
Design RL environments that test AI models on original competitive programming problems by building C++ checkers, reference solutions, and robust test suites. Remote, part-time contractor role (20+ hrs/week) paying $45–$65/hr for English speakers worldwide.
Posted Jul 11, 2026
Join OpenTrain as a Video AI Training Specialist to analyze, annotate, and evaluate video data that helps shape next-gen AI. Remote, contract role paying $65–$80/hr for 20+ hours/week; no prior AI experience required if you have professional video production skills.
Posted Jul 11, 2026
Use your native Gujarati and LLM experience to evaluate AI responses and write clear English feedback that improves model behavior. Remote contractor role, 20+ hours/week, $15–$20/hr.
Posted Jul 10, 2026
Join OpenTrain to evaluate AI-generated Japanese music—lyrics, vocal quality, and production—by rating and annotating samples with a detailed musical taxonomy. Remote contractor role, bilingual Japanese/English required, expected 20+ hrs/week and competitive hourly pay.
Posted Jul 10, 2026
OpenTrain AI is hiring Assamese evaluators to review model responses for accuracy, reasoning, clarity, tone and completeness — remote contract, 20+ hrs/week, $15–$20/hr. Native Assamese and strong English writing required.
Posted Jul 10, 2026
Join OpenTrain as a remote, part-time Kannada evaluator reviewing AI-generated Kannada responses for factual accuracy, reasoning, tone, and guideline adherence. Flexible schedule, 20+ hrs/week, $15–$20/hr — native Kannada and strong written English required.
Posted Jul 10, 2026
Record high-quality French voice samples to train and evaluate text-to-speech systems; contractor, remote work at $50/hr. Native or native-level French speakers with voice-acting experience and a pro recording setup are encouraged to apply for a 20+ hrs/week role.
Posted Jul 10, 2026
Evaluate AI-generated French-language music for lyrics, vocal quality, musicality, production, and structured song annotations; part-time contract role paying $30–$60.48/hr with immediate start and a typical commitment of 20+ hours/week.
Posted Jul 10, 2026
Use your building-code and permitting expertise to review and label construction documents for AI systems, in a flexible remote contract role paying $65–$90/hr. Starts at 5 hours/week with part-time contractor status.
Posted Jul 10, 2026
Evaluate Marathi AI-generated responses and write clear English evaluation notes to improve model outputs. Remote contract role, 20+ hrs/week, $15–$20 USD/hour — ideal for Marathi natives with LLM experience and strong analytical writing.
Posted Jul 10, 2026
OpenTrain AI is hiring a Malayalam-speaking evaluator to review AI-generated Malayalam responses for accuracy, reasoning, clarity, tone, and completeness, then write clear English assessments. Contract, remote, 20+ hrs/week, $15–$20/hr.
Posted Jul 10, 2026
OpenTrain is hiring a Network Data Annotation Engineer to label production network logs, configs, telemetry, and incident patterns for AI model training. Remote contractor role, $50–$70/hr, 30–40 hours/week; you must have Tier 3/Principal network troubleshooting and wireless experience.
Posted Jul 10, 2026
Evaluate AI-generated Spanish (MX) music by rating musicality, lyrics, vocals, and production while annotating genre, song structure, and vocal/instrumental traits. Remote, part-time contract paying $13.01–$54/hr for up to 6 months with a 20+ hour weekly commitment.
Posted Jul 10, 2026
Join OpenTrain AI to evaluate and annotate Indonesian-language AI-generated music and lyrics — part-time remote work, 20+ hrs/week, up to 6 months, pay $11.42–$20.55/hr. Use your music production and audio-engineering expertise to rate musicality, vocals, lyrics, and mixes.
Posted Jul 10, 2026
Create technically rigorous single-choice questions and answer rationales for mechanical engineering AI training. Remote contractor role, 20+ hrs/week, $50–70/hr (typical $70/hr); MS or PhD in Mechanical Engineering required.
Posted Jul 10, 2026
Join OpenTrain AI to design and review technical multiple-choice questions and rubrics that train and evaluate electrical-engineering models. Remote, asynchronous contractor work at $60–$80/hr for 20+ hours/week, focused on technical accuracy and pedagogical quality.
Posted Jul 10, 2026
Remote Software Engineer Code Reviewer for OpenTrain AI: spend 20+ hrs/week creating and reviewing Go, Python, and TypeScript code samples, unit tests, docs, and prompts to help train and evaluate AI; contractor pay $80–$100/hr, worldwide, English required.
Posted Jul 10, 2026
Build pixel-perfect responsive web components from design screenshots and style guides using TypeScript and CSS3 in a remote contract role. 20+ hrs/week, $40–50/hr; strong English communication and ability to work independently required.
Posted Jul 9, 2026
OpenTrain seeks an expert Senior Webflow Developer to build and optimize responsive Webflow sites part-time (under 20 hrs/week). Earn $35–$50/hr converting Figma to production, managing CMS, creating animations, improving SEO/CRO, and automating workflows.
Posted Jul 9, 2026
Join OpenTrain to train next-generation coding assistants by running, evaluating, and documenting agent-driven software workflows. Part-time remote contract work (20+ hrs/week) paying $70–$126/hr for hands-on technical testing, code review, and process documentation.
Posted Jul 9, 2026
Create realistic business documents and evaluate AI-generated responses to improve how models handle professional scenarios; remote contractor role paying $35–$50/hr with a ~20+ hour/week commitment.
Posted Jul 9, 2026
Work remotely as a contractor reviewing packing lists, bills of lading, inventory registers, and supply-chain documents to train AI systems; 20+ hours/week, $40–$50/hr. Join OpenTrain AI to turn your logistics experience into flexible, high-impact annotation work.
Posted Jul 9, 2026
Lead Korean-language quality for AI training projects as a part-time contractor, reviewing model outputs and trainer submissions to ensure accuracy, fluency, cultural fit, and correct honorifics. $45/hr, 20+ hours/week, Korea-based (KR) contributors with strong Korean and English skills encouraged t
Posted Jul 9, 2026
Join OpenTrain as a Korean AI training and evaluation expert, working 20+ hours/week from South Korea to review, rank, and localize AI-generated text at $40/hr. Native Korean and C1 English required, with experience in MQM/LQA, CAT tools, and translation QA preferred.
Posted Jul 9, 2026
Join OpenTrain as a part-time contractor to QA OCR-processed Korean PDFs—verify bounding boxes, tables, reading order, and character-level Korean text for model-training datasets. 20+ hrs/week at $40/hr, remote (KR), native/fluent Korean and strong English required.
Posted Jul 9, 2026
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.
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.
