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Remote AI training and data labeling jobs in Singapore

Looking for remote AI-training or data-labeling work while located in Singapore? These roles list Singapore as an accepted applicant location and can include a range of annotation, transcription, rating, or evaluation tasks. OpenTrain is the hiring organization for the roles shown, candidates apply through OpenTrain, and OpenTrain may place or refer successful candidates to the client whose project they will support. Individual postings control eligibility, qualifications, hours, and pay, so inspect each listing for the specifics that matter to you.

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

Full-Stack Code Reviewer, Node.js & React

Join OpenTrain to evaluate AI-generated full-stack code and write reference implementations for Node.js and React systems. Remote contractor work (20+ hrs/week) with competitive hourly pay tiers up to $100/hr depending on country and 850 openings.

Generative AI & RLHF
Text
Remote · Bangladesh, Bhutan, Brazil +14 more
English
Part-time · Flexible
Intermediate level
Hourly · $100/hr

Posted Jul 8, 2026

Electrical Engineering AI Evaluation Specialist

Contract remote role reviewing and improving AI-generated electrical engineering solutions; $40–$100/hr, 20+ hours/week. Must have hands-on EE expertise, strong written communication, and prior exposure to technical model evaluation.

Generative AI & RLHF
Text
Remote · Bangladesh, Bhutan, Brazil +14 more
English
Part-time · Flexible
Intermediate level
Hourly · $40–$100/hr

Posted Jul 8, 2026

AI Data Scientist, Model Evaluation & Reference Solutions

Join OpenTrain as a remote AI Data Scientist to review AI-generated analysis and code, write step-by-step reference solutions, and rate model outputs. Part-time contractor work (20+ hrs/week) with hourly pay up to $100 and hiring across many countries.

Generative AI & RLHF
Text
Remote · Bangladesh, Bhutan, Brazil +14 more
English
Part-time · Flexible
Entry level
Hourly · $100/hr

Posted Jul 8, 2026

Clinical Research AI Evaluation Specialist

Review and rate AI-generated clinical research and biomedical content, create gold‑standard answers, and provide expert written feedback on study design, statistics, and safety; remote contractor role (20+ hrs/week) paying $40–$70 USD/hr and requiring 5+ years clinical research experience.

Medical & Health
Text
Remote · Bangladesh, Bhutan, Brazil +14 more
English
Part-time · Flexible
Intermediate level
Hourly · $40–$70/hr

Posted Jul 8, 2026

Civil Engineering AI Evaluation Specialist

Join OpenTrain to evaluate and improve AI-generated civil engineering outputs, providing technical feedback on calculations, assumptions, safety, and professional judgment. Remote contractor role, 20+ hours/week, paid $45–$100/hr; English fluency and 4+ years civil engineering experience required.

Generative AI & RLHF
Text
Remote · Bangladesh, Bhutan, Brazil +14 more
English
Part-time · Flexible
Expert level
Hourly · $45–$100/hr

Posted Jul 8, 2026

Chemistry AI Training Reviewer

OpenTrain AI seeks an expert Chemistry AI Training Reviewer to evaluate and improve AI-generated chemistry answers; MS/PhD required. Remote, contract role at $70/hr for 20+ hours/week in listed countries.

Generative AI & RLHF
Text
Remote · Bangladesh, Bhutan, Brazil +14 more
English
Part-time · Flexible
Expert level
Hourly · $70/hr

Posted Jul 8, 2026

Chemical Engineer AI Evaluation Specialist

Review and refine AI-generated chemical engineering content—assess technical accuracy, safety, assumptions, and calculations. Remote contract, flexible schedule with expected 20+ hours/week and competitive hourly pay ($40–$100/hr).

Generative AI & RLHF
Text
Remote · Bangladesh, Bhutan, Brazil +14 more
English
Part-time · Flexible
Intermediate level
Hourly · $40–$100/hr

Posted Jul 8, 2026

C++ AI Code Review Engineer

OpenTrain is hiring an expert C++ engineer to review AI-generated C++ code, produce reference implementations, and write clear step-by-step technical explanations. Contractor role: $65/hour, 20+ hours/week, remote in the countries listed below.

Coding & Software
Computer Code Programming
Remote · Bangladesh, Bhutan, Brazil +14 more
English
Part-time · Flexible
Expert level
Hourly · $65/hr

Posted Jul 8, 2026

C# AI Training Engineer

Join OpenTrain as a remote C# AI Training Engineer to review and improve AI-generated C#/.NET code and explanations. This contractor role pays $65/hour, requires strong C#/.NET expertise and clear English writing, and asks for 20+ hours/week.

Generative AI & RLHF
Text
Remote · Bangladesh, Bhutan, Brazil +14 more
English
Part-time · Flexible
Intermediate level
Hourly · $65/hr

Posted Jul 8, 2026

Accounting SME for AI Training and Model Evaluation

Join OpenTrain as a remote Accounting SME to review AI-generated accounting outputs, write gold-standard solutions, and rate model responses; hourly pay USD 35–65/hr, 20+ hours/week, hiring across multiple countries.

Legal & Finance
Text
Remote · Austria, Bangladesh, Belgium +35 more
English
Part-time · Flexible
Entry level
Hourly · $35–$65/hr

Posted Jul 8, 2026

Legal AI Response Reviewer (Remote, Contract)

Use your JD and 5+ years of legal practice to evaluate and craft AI-generated legal answers, memos, and policies for OpenTrain AI. Remote contractor work, 20+ hours/week, hourly pay USD $40–$120.

Legal & Finance
Text
Remote · Austria, Bangladesh, Belgium +35 more
English
Part-time · Flexible
Entry level
Hourly · $40–$120/hr

Posted Jul 8, 2026

Astronomy & Space Science AI Evaluator

Review AI-generated astronomy and space-science responses for scientific accuracy, assumptions, units, and uncertainty; remote contract, 20+ hrs/week, with pay from $40–$100/hr depending on location and qualification.

Generative AI & RLHF
Text
Remote · Bangladesh, Bhutan, Brazil +14 more
English
Part-time · Flexible
Intermediate level
Hourly · $40–$100/hr

Posted Jul 8, 2026

C Code Review Engineer (Systems-Level C Expert)

Review AI-generated C code and low-level systems designs for correctness, safety, and performance, and produce reference implementations and clear technical explanations. Remote contractor role — part-time, 20+ hours/week at $65/hr; English required.

Coding & Software
Computer Code Programming
Remote · Bangladesh, Bhutan, Brazil +14 more
English
Part-time · Flexible
Intermediate level
Hourly · $65/hr

Posted Jul 8, 2026

Biomedical Engineer AI Evaluator

Join OpenTrain AI to evaluate and refine AI-generated biomedical engineering answers — contract, part-time work at 20+ hrs/week with pay from $40–$100/hr. Use your 4+ years of device/biomechanics or clinical engineering experience to improve AI safety, accuracy, and technical reasoning.

Medical & Health
Text
Remote · Bangladesh, Bhutan, Brazil +14 more
English
Part-time · Flexible
Intermediate level
Hourly · $40–$100/hr

Posted Jul 8, 2026

Biology AI Evaluation Specialist (Remote Contract)

Evaluate and improve AI-generated biological answers as a remote contract specialist — MS/PhD in biology required. Ongoing part-time work (~20 hrs/week) at $70/hr (USD); English C1+ and applicants from specified countries are welcome.

Generative AI & RLHF
Text
Remote · Bangladesh, Bhutan, Brazil +14 more
English
Part-time · Flexible
Entry level
Hourly · $70/hr

Posted Jul 8, 2026

Android Code Review & AI Training Engineer

Join OpenTrain AI as a remote contractor to review AI-generated Android code, produce reference implementations, and craft prompts that improve Android-focused model outputs. $110/hr, 20+ hours/week; ideal for experienced Kotlin Android engineers who enjoy technical evaluation and clear written reas

Generative AI & RLHF
Text
Remote · Bangladesh, Bhutan, Brazil +14 more
English
Part-time · Flexible
Intermediate level
Hourly · $110/hr

Posted Jul 8, 2026

Advertising AI Training Expert (Remote Contractor)

Join OpenTrain AI to evaluate and improve AI-generated advertising copy and campaign assets. This remote contractor role pays $35–$70/hr, requires 20+ hours/week, and asks experienced advertisers to produce gold-standard examples and precise feedback that teach models better ad strategy and executio

Generative AI & RLHF
Text
Remote · Bangladesh, Bhutan, Brazil +14 more
English
Part-time · Flexible
Expert level
Hourly · $35–$70/hr

Posted Jul 8, 2026

Chemistry Expert Reviewer for AI Training

OpenTrain seeks a remote Chemistry Expert Reviewer to design, review, and refine chemistry content and problems for AI training; PhD or ABD with teaching and research experience required. Part-time contractor role, 20+ hrs/week, $70–$90/hr.

Generative AI & RLHF
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $70–$90/hr

Posted Jul 7, 2026

Computational Biology AI Evaluation Expert

Use your computational biology expertise to evaluate and annotate AI-generated outputs across genomics, structural biology, and systems biology. Remote contractor role, 20+ hrs/week, $40–$60/hr — help shape safer, more accurate scientific AI.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Expert level
Hourly · $40–$60/hr

Posted Jul 7, 2026

Computational Chemistry Expert for AI Benchmarking

Apply your computational chemistry expertise to review simulations, electronic-structure methods, and cheminformatics pipelines used to train and validate chemistry-focused AI systems. Remote contract role, 20+ hrs/week, $40–$60/hr.

Generative AI & RLHF
Document
Remote · Worldwide
English
Part-time · Flexible
Expert level
Hourly · $40–$60/hr

Posted Jul 7, 2026

Video Annotator, Vision-Language Action (VLA)

Join a long-term, remote video-annotation contract to help train vision-language action models by classifying activities and marking objects in everyday household videos using Encord. Fixed-price contract ($58,000 USD) with up to 180 hours/month per annotator and ongoing work for top performers.

Image & Video Annotation
Video
Remote · Worldwide
English
Part-time · Flexible
Intermediate level
Fixed price · $58000

Posted Jul 7, 2026

AI Quality & Testing Software Engineer

Join OpenTrain AI as a part-time, remote Software Engineer focused on QA and testing for AI-powered video generation products — 20+ hrs/week at $30–$42/hr. Bring TypeScript experience, a portfolio of self-built projects, and QA/test automation skills to help improve real AI products.

Coding & Software
Video
Remote · Worldwide
English
Part-time · Flexible
Expert level
Hourly · $30–$42/hr

Posted Jul 6, 2026

Engineering Document Review Expert

Join OpenTrain as an Engineering Document Review Expert to evaluate technical reports, design documents, and project analyses for AI training — remote contractor role, 20+ hours/week, paid $20–$40 USD/hour. Ideal for engineers with technical-reporting experience.

Generative AI & RLHF
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $20–$40/hr

Posted Jul 3, 2026

Chemistry Document Review Specialist

Join OpenTrain to review and validate technical chemistry documents for AI training—edit experimental write-ups, fact-check equations and datasets, and produce clear explanations. Remote contractor role, 20+ hrs/week, pay $20–$40 USD/hr, English required.

Writing & Editing
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $20–$40/hr

Posted Jul 3, 2026

Physics Content Review Specialist

Join OpenTrain AI as a remote Physics Content Review Specialist to evaluate and refine physics documents used to train AI models; this contractor role requires 20+ hours/week and pays $20–$50/hr. Bring your physics background to improve model reasoning and scientific accuracy.

Generative AI & RLHF
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $20–$50/hr

Posted Jul 3, 2026

Mathematics Expert, Advanced Problem Solving & Evaluation

Join OpenTrain as a Mathematics Expert to write and evaluate advanced math solutions and proofs that train and benchmark AI systems. Flexible contract work (20+ hrs/week), remote worldwide, $20–$40/hr.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $20–$40/hr

Posted Jul 3, 2026

Legal Document AI Training Expert (Remote Contract)

Share original, professionally authored legal documents to help train responsible AI agents — remote contractor work, 20+ hours/week, paid $20–$40/hr. Ideal for practicing lawyers, legal researchers, or compliance consultants with strong drafting and legal-analysis experience.

Legal & Finance
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $20–$40/hr

Posted Jul 3, 2026

Computer Science AI Training Specialist

Join OpenTrain as a remote, part-time Computer Science AI Training Specialist to author and evaluate technical examples that teach AI systems; contractor work at $20–$40/hr for 20+ hours/week. Ideal for CS graduates with strong writing and domain expertise in algorithms, systems, databases, networki

Generative AI & RLHF
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $20–$40/hr

Posted Jul 3, 2026

Financial Document Review Specialist

Apply your financial analysis expertise to review reports and write structured feedback that trains AI systems. Remote, part-time contractor work (20+ hrs/week) paying $20–$40/hr with estimated project earnings of $3,200–$6,400.

Legal & Finance
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $20–$40/hr

Posted Jul 3, 2026

Physics Professor / Researcher, AI Content Reviewer

Join OpenTrain to develop and review physics problems, solutions, and explanations used to train and evaluate AI; remote contractor role for PhD-level candidates at $70–$90/hr, 20+ hours/week. Work is asynchronous and text-focused.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $70–$90/hr

Posted Jul 3, 2026

What this work can involve

Work labeled for applicants in Singapore can involve many types of human review and content preparation that help train AI systems. Tasks you may see in postings include labeling images or video, transcribing or annotating audio, writing or rating model responses, evaluating search results, translating text, reviewing code snippets for correctness, or applying specialized subject knowledge to verify outputs. Each posting will specify the exact task mix, required skills, and how results are submitted, so read job descriptions carefully before applying.

  • Annotation and labeling: mark objects, segments, or attributes in images, video, or text to teach models how to recognize patterns.
  • Content evaluation: rate model outputs, review translations, or assess relevance and quality to improve system behavior.
  • Transcription and tagging: convert speech to text, add timestamps, or tag semantic elements for training datasets.

How hiring works through OpenTrain

OpenTrain manages hiring for roles that accept applicants located in Singapore; candidates apply through OpenTrain and may be placed or referred to the client whose project they will support. Each live posting lists the role-specific rules you must meet, including eligibility, required language skills, and any client conditions. Review the full posting for details before you apply so you understand the responsibilities and any constraints that apply to that particular opportunity.

  • Apply through OpenTrain, OpenTrain is the hiring organization and the application route for these roles.
  • Placement or referral: successful candidates may be placed with or referred to the client project.
  • Check each posting for eligibility, hours, qualifications, and pay details specific to that role.

Frequently asked questions

What can this work involve?
Work for roles accepting applicants located in Singapore can cover a broad set of human-in-the-loop tasks used to train or evaluate AI. Common activities include labeling images and video, transcribing and tagging audio, rating text or model responses for quality and relevance, validating translations, and applying domain knowledge to judge correctness. The specific duties, tools, and output formats depend on the individual posting; always read that posting to know exactly what a role requires.
Where can I find role-specific details?
Role-specific details such as eligibility, required qualifications, hours, schedule, pay, and any client-specific conditions are listed in the individual live posting. Because each posting controls these terms, inspect the job description carefully to confirm whether you meet the listed requirements and to understand what the work will ask of you before applying.
How does hiring work through OpenTrain?
OpenTrain is the hiring organization for these roles and the place where you submit your application; OpenTrain may place or refer successful candidates to the client whose project they will support. The live posting for each role contains the eligibility criteria and any other conditions that determine selection. Apply through OpenTrain and use the job description to confirm you meet the role's requirements.