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.
Join OpenTrain to evaluate AI-generated business documents in Portuguese, working remotely 20+ hrs/week as a contractor; assess Excel, PowerPoint and Word deliverables and provide actionable feedback. Pay range: $20–$70 USD/hr (up to $70/hr).
Posted Jun 30, 2026
Evaluate AI-generated business documents in Korean across finance, strategy, marketing, and operations. Remote contractor role, $30–$70/hr, 20+ hours/week — use Excel/PowerPoint/Word to test realistic scenarios and give actionable feedback that improves AI outputs.
Posted Jun 30, 2026
Work remotely reviewing and improving AI-generated business documents in Japanese—provide structured, professional feedback across finance, strategy, marketing, and operations. Part-time contractor role (20+ hrs/week) paying up to $70/hr for experienced business professionals.
Posted Jun 30, 2026
Remote contract role evaluating AI-generated French business documents across finance, strategy, marketing, and operations; 20+ hours/week and pay between $20–$70 USD per hour. Use Excel, PowerPoint, and Word to critique outputs, deliver structured feedback, and help make AI business writing more ac
Posted Jun 30, 2026
Join OpenTrain as a remote Biosecurity & Synthetic Biology Expert to evaluate AI outputs for biosecurity risk, working ~20 hrs/week on a 1–3 month contract at $50–$90/hr (est. $8k–$14.4k). Use your biorisk and synthetic biology expertise to rate model responses and provide clear, evidence-based feed
Posted Jun 30, 2026
Join OpenTrain to score and annotate AI-generated text, working 20+ hours/week as a remote contractor. Help improve model relevance, coherence, and factual accuracy across business, finance, healthcare, legal, and research topics at $20–$40/hr.
Posted Jun 30, 2026
OpenTrain AI seeks an adversarial ML / red-team specialist to design safety tests, stress-test LLMs for prompt-injection and tool-use abuse, and build regression suites. Part-time contractor role (remote, 20+ hrs/week) paying USD $50–$90/hr.
Posted Jun 30, 2026
Join OpenTrain AI as a remote Image Evaluation Specialist reviewing images against detailed rubrics for $20–$30/hr, 20+ hours/week. Evaluate image quality, flag edge cases, and write concise review explanations to help calibrate AI training datasets.
Posted Jun 30, 2026
Join OpenTrain AI to define safety standards, escalation protocols, and abstraction frameworks for nuclear and radiological risk evaluation; remote, 20+ hrs/week, $50–$90/hr. Help shape how advanced models handle sensitive nuclear security information.
Posted Jun 30, 2026
Annotate engineering diagrams as graphs: draw tight bounding boxes for symbols (7 classes plus routing nodes) and label edges (solid/non-solid). Small paid pilot followed by a ~60-sheet batch; tooling experience with Label Studio or CVAT required.
Posted Jun 30, 2026
Join OpenTrain as a remote Angular code reviewer helping AI learn from expert front-end feedback; contractor, asynchronous work at $30–$90/hr for 20+ hours/week. Apply if you have strong Angular, RxJS, and SCSS/SASS experience and clear written communication.
Posted Jun 29, 2026
Join OpenTrain as a remote, contract Rust backend developer to build and harden REST/GraphQL APIs and run focused evaluations of AI-powered coding tools (Cursor). Part-time role (<20 hrs/week) paying $30–$90/hr for clear, well-documented backend feedback.
Posted Jun 29, 2026
Join OpenTrain as a Java Backend Engineer supporting AI system training—build Spring Boot microservices, optimize performance, and deliver high-quality code and documentation. Part-time contractor role, 20+ hrs/week, remote, paid hourly (up to $90/hr).
Posted Jun 29, 2026
Remote German-speaking reviewer needed to evaluate and improve AI-generated business documents across finance, strategy, marketing, and operations. Part-time contractor role (20+ hrs/week) with pay up to $70/hr evaluating document quality and delivering structured feedback.
Posted Jun 29, 2026
Build scalable Python APIs and help test AI coding tools in focused four-day bursts. This remote contractor role offers $50–$100 per hour, 20+ hours weekly, and the chance to shape developer-focused AI systems.
Posted Jun 28, 2026
OpenTrain seeks a Mathematics Expert (PhD) to write and review advanced mathematics prompts, model answers, and evaluations; part-time remote contract (~20 hrs/week) for 1–3 months at $80–$90/hr. Strong math background and clear written explanations required.
Posted Jun 28, 2026
Use expert Excel skills to review and improve complex business spreadsheets, design templates, and produce instructional case studies for AI training. Remote contract, 20+ hours/week, $40–$55 USD/hour (English required).
Posted Jun 28, 2026
Join OpenTrain AI as a remote, part-time contractor to review electrical schematics, wiring diagrams, and field documentation to help train next-generation AI—20+ hours/week, $40–$50/hr. Provide technical ratings and clear explanations to improve model outputs.
Posted Jun 28, 2026
Join OpenTrain as a Chemistry Expert (PhD) to write and review high-quality chemistry answers, create benchmark responses, and shape AI behavior. Part-time, remote work (20+ hrs/week) paying $80–$90/hr; English required, worldwide applicants welcome.
Posted Jun 28, 2026
Part-time remote contractor role helping train AI systems by writing, reviewing, and rating business-operations content; $50–$60/hr, ~20 hrs/week for 1–3 months with estimated earnings of $8,000–$9,600. English fluency and real-world business analytics experience required.
Posted Jun 28, 2026
Join OpenTrain AI as a remote Business Intelligence Excel Consultant to review large Excel-based datasets, improve model outputs, and provide clear, stakeholder-ready feedback; $40–$50/hr, 20+ hours/week.
Posted Jun 28, 2026
Evaluate AI-generated business documents in Chinese—review Excel, PowerPoint and Word deliverables for accuracy, clarity, and professional polish, provide structured feedback across finance, strategy, marketing and operations, and help improve AI outputs. Remote contract; 20+ hrs/week; $20–$70/hr.
Posted Jun 28, 2026
Join OpenTrain to apply your biology expertise to train and evaluate AI models: write expert responses, review model outputs, and provide clear scientific feedback. Remote, part-time contractor work paying $80–$90/hr for roughly 20 hours/week over 1–3 months.
Posted Jun 28, 2026
Join OpenTrain as a part-time contractor building production ML pipelines, deploying models on AWS, and orchestrating containerized workloads; remote worldwide, 20+ hrs/week, pay $30–$90/hr.
Posted Jun 28, 2026
Join OpenTrain AI as a remote contractor to evaluate and improve AI outputs for .NET, C#, AWS, and Azure—review code snippets, diagrams, and technical docs. Part-time (20+ hrs/week) with competitive pay in the posted $30–$90/hr range.
Posted Jun 28, 2026
Join OpenTrain AI to label humanoid robotics video for VLA models as a Level B annotator — 20+ hrs/week, contractor, paid USD $6/hr (range $5–$8); Encord experience preferred but other platform experience is accepted.
Posted Jun 27, 2026
Join OpenTrain as a contract redlining attorney to perform simulated negotiations, review AI contract responses, and build objective evaluation frameworks; part-time remote contractor work, flexible schedule, $80–$105/hr for ~20 hours/week over 1–3 months.
Posted Jun 27, 2026
Review scientific figures, lab reports, and technical publications to evaluate model outputs and deliver clear, rubric-based feedback; remote contractor role paying $40–$50/hr, 20+ hrs/week, estimated project earnings $6,400–$8,000.
Posted Jun 27, 2026
OpenTrain AI is hiring an intermediate UI/UX Designer for a short contract role (fixed price $100) with a remote, worldwide scope; applicants will complete a brief AI-driven interview that evaluates design skills, tools knowledge, and portfolio work.
Posted Jun 15, 2026
Label and review short educational content about carbohydrates, lipids, proteins, and DNA/RNA in a bilingual Odia–English project. Fixed-price contract ($20) for contributors who can do text generation, rating, and question answering.
Posted May 15, 2026
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.
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.
