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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

Computational Chemistry Problem Designer (PhD Required)

PhD-level computational chemist needed to design research-grade problem sets that require advanced physical and quantum chemistry reasoning and Python-based validation. Part-time contractor work (20+ hrs/week) with hourly pay up to $60 and compensation tied to task complexity.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$60/hr

Posted Mar 29, 2026

Computational Physics Problem Designer (Python)

Design original, research-style computational physics problems and deliver fully reproducible Python solutions for part-time, project-based work. Requires 2+ years research/teaching experience, advanced scientific Python skills, and strong written English — 20+ hrs/week, $15–$60/hr.

Coding & Software
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$60/hr

Posted Mar 29, 2026

Mathematics Expert, Python Computational Problem Designer

Design original, research-style computational math problems and provide reproducible Python solutions for OpenTrain AI; 20+ hrs/week, contractor, $15–$60/hr. Requires a math degree, 2+ years relevant experience, and strong Python/NumPy/SciPy/SymPy skills.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Expert level
Hourly · $15–$60/hr

Posted Mar 29, 2026

Mechanical Engineering Problem Author (Python Required)

Write original computational mechanical-engineering problem sets and deliver fully reproducible Python solutions using NumPy, Pandas, and SciPy; part-time contractor role (20+ hrs/week) with pay up to $50/hr. CV in English required; some locations are restricted.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$50/hr

Posted Mar 29, 2026

Electrical Engineering Problem Author (Python Required)

Author and verify original electrical engineering computational problems using Python and scientific libraries for OpenTrain AI; part-time contractor role (<20 hrs/week) requiring an EE degree and 2+ years' professional or teaching experience.

Coding & Software
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$50/hr

Posted Mar 29, 2026

Civil Engineering Problem Author (Python Validation)

Design original civil/computational engineering problems and verify reproducible solutions using Python to create high-quality training data for generative models. Part-time contract (20+ hrs/week), up to $50/hr; requires a Civil Engineering degree, 2+ years relevant experience, and strong written E

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$50/hr

Posted Mar 29, 2026

US Driver's License Image Annotator (Bounding Boxes)

Annotate fields on images of US driver's licenses (names, DOB, address, portrait, signature, and more) using Label Studio. Entry-level, remote, part-time contract work worldwide; pay listed at $5/hr (range $1–$7/hr), under 20 hrs/week.

Image & Video Annotation
Image
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $1–$7/hr

Posted Mar 24, 2026

Creative Web UI Designer, No-Code Landing Pages

Design and build high-converting landing pages and brand storefronts using no-code platforms (Shopify, Webflow, Squarespace, WordPress). Part-time contractor role (<20 hrs/week) with hourly pay ($10–$25/hr, typical $20/hr); strong portfolio with live links required.

General Annotation
Image
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $10–$25/hr

Posted Mar 11, 2026

Document and Email Data Extraction Reviewer

Review AI-extracted records from PDFs, emails and scanned files: confirm, correct, fill missing fields, and flag ambiguities for escalation. Part-time contractor role, $12/hr, under 20 hours/week — ideal for people with invoices, orders, or logistics experience.

General Annotation
Document
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $12/hr

Posted Mar 3, 2026

Fine-Tune C++ JUCE Audio DSP Model, Dataset Curation & QLoRA

Join OpenTrain to build a supervised fine-tuning dataset and run QLoRA on Qwen3-Coder for JUCE/C++ audio DSP. This contract role requires expert JUCE/DSP experience to extract code from 40+ repos, craft 3,000–5,000 ChatML examples, and fine-tune with Unsloth.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Expert level
Fixed price · $1000

Posted Feb 27, 2026

Vibecode Specialist - Web Scraping & Data Extraction

Join OpenTrain AI to build end-to-end Python scraping pipelines and deliver clean structured datasets (CSV/JSON/Sheets). Remote, 20+ hrs/week at $20/hr; you must have hands-on experience with dynamic/JS-rendered sites and B2+ English.

Coding & Software
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $20/hr

Posted Feb 26, 2026

Remote Voice Actor, US English Recording

Record high-quality US English speech samples to train and evaluate AI speech systems for $30/hr. This contractor role is remote and requires professional recording equipment and native or near-native US English pronunciation.

Audio & Speech
Audio
Remote · Worldwide
Flexible hours
Intermediate level
Hourly · $30/hr

Posted Feb 22, 2026

AI Quality Analyst, Text Prompt & Response Reviewer

Review AI prompts and model responses, labeling for accuracy, relevance, clarity, and safety in a flexible remote contract role. Entry-level position paying $5/hr for under 20 hours per week with clear guidelines, examples, and random quality audits.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $5/hr

Posted Feb 22, 2026

French ARPABET Phoneme Transcription Specialist

OpenTrain AI seeks native-level French speakers to produce ARPABET phoneme- and word-level transcriptions for 1–2 minute audio clips. This remote, contract role requires 20+ hrs/week, passing a qualification quiz, and pays $18–$20 USD/hour.

Audio & Speech
Audio
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $18–$20/hr

Posted Feb 20, 2026

Local Face Data Collection Teams, Contract $25–30/hr

OpenTrain AI seeks experienced local teams to run on-the-ground facial image collection projects; part-time contractor work pays $25–30/hour for under 20 hours/week. Teams must demonstrate prior offline face-collection experience and basic English.

Data Collection
Image
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $25–$30/hr

Posted Feb 6, 2026

Native Japanese Transcriber, 1 hr/day, Remote (Japan Only)

OpenTrain AI seeks native Japanese speakers in Japan to transcribe short audio clips and verify audio quality; long-term, flexible schedule (~1 hour/day, Mon–Fri) at $15/hr. Must follow strict guidelines and complete a short screening sample.

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

Posted Feb 5, 2026

Native Italian Transcriptionist, Italy, 1 hr/day

Join OpenTrain to transcribe short Italian audio clips for a long-term, flexible role (~1 hour/day, Mon–Fri). Work remotely from Italy using Labelbox, complete a short screening sample, and earn $11/hr while helping train speech AI.

Audio & Speech
Audio
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $11/hr

Posted Feb 5, 2026

Egocentric Video Annotator, C1 English

OpenTrain is hiring part-time contractor annotators to create dense, multi-tier captions and sub-second trajectory labels for first-person video. C1 English, strong timestamping skills, and availability for a February pilot required; pay is USD 8/hour.

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

Posted Feb 2, 2026

Japanese PDF Annotator & QA Reviewer

Native Japanese speakers in Japan needed to annotate and QA Japanese PDFs: draw bounding boxes, classify elements, correct OCR, and create simple HTML table descriptions. Pilot 2–3 hours; ongoing flexible contractor work. Pay: $18/hr (Annotator), $20/hr (QA).

General Annotation
Document
Remote · Worldwide
Flexible hours
Intermediate level
Hourly · $18/hr

Posted Jan 29, 2026

Part-Time Energy Content Writer, 1 Hour/Month

OpenTrain is hiring an entry-level content writer to produce and review energy-focused text with occasional annotation work in AWS SageMaker; this contract is roughly one paid hour per month for a fixed $100 fee. Remote worldwide — you must set up equipment/accounts and be punctual for any scheduled

Writing & Editing
Text
Remote · Worldwide
Flexible hours
Entry level
Fixed price · $100

Posted Jan 17, 2026

Board-Certified Radiologist, CT/MRI Annotation

Seeking US-based, board-certified radiologists (MD) to perform CT and MRI DICOM annotation (polygon, segmentation, diagnostic labels) for a contract radiology project; hourly pay $150 and contracted through OpenTrain AI.

Medical & Health
Medical Dicom
Remote · Worldwide
Flexible hours
Entry level
Hourly · $150/hr

Posted Jan 15, 2026

Bounding Box Labeler, Purple-Outlined Game Characters

Label bounding boxes around purple-outlined characters for a YOLO training dataset using Roboflow; pay is $0.02 per labeled image. Part-time contractor work (worldwide, <20 hrs/week) for intermediate image-annotation contributors.

Image & Video Annotation
Image
Remote · Worldwide
Part-time · Flexible
Intermediate level
Per task · $0.02/label

Posted Jan 13, 2026

LLM Agent Evaluation Scenario Writer

Design structured evaluation scenarios and gold-standard behaviors for LLM-based agents in a remote, part-time contractor role (20+ hrs/week). Pay $18–$24/hr; requires QA-style thinking, basic Python/JavaScript, and strong written English.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $18–$24/hr

Posted Jan 13, 2026

Native Korean Transcriber, South Korea, 1 hr/day

Long-term, part-time contract for native Korean speakers based in South Korea to transcribe short audio clips; flexible ~1 hour/day schedule at $14/hour. Ideal for detail-oriented listeners with strong written Korean and steady internet.

Audio & Speech
Audio
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $14/hr

Posted Jan 7, 2026

Native French Transcriber, France, 1 hr/day

Long-term remote contract for native France-based French speakers to transcribe short conversational audio ~1 hour/day on a flexible schedule at $15/hr. Accurate, rule-driven transcripts and simple audio verification tasks required; a short screening sample is part of the process.

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

Posted Jan 7, 2026

Hebrew-English Bilingual Language Evaluator

Work remotely as a Hebrew–English bilingual evaluator, reviewing and improving AI-generated text for accuracy, clarity, and reasoning. Part-time contractor role at $32/hr (under 20 hrs/week) for experienced translators, editors, or linguistic QA specialists.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $32/hr

Posted Dec 26, 2025

Private Wealth Management QA Specialist

Create 150 private-wealth Q&A pairs and evaluate model responses against certified-advisor standards, assigning 1–10 ratings. Remote, contract, part-time project (under 20 hrs/week) with a fixed fee of $500, open worldwide to finance professionals.

Legal & Finance
Text
Remote · Worldwide
Part-time · Flexible
Entry level
Fixed price · $500

Posted Dec 19, 2025

Korean–English Localization & LQA Specialist

Part-time contract role for Korean–English localization experts based in South Korea: evaluate and improve AI-generated Korean outputs using MQM/LQA, CAT workflows, and terminology management. Up to 20 hrs/week at $27/hr.

Translation & Localization
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $27/hr

Posted Dec 19, 2025

Japanese–English Localization & LQA Specialist

OpenTrain AI is hiring an experienced Japanese–English localization and LQA specialist to evaluate AI-generated translations, correct outputs, and rate responses using structured criteria. Part-time contractor (remote, worldwide) under 20 hrs/week at $30/hr.

Translation & Localization
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $30/hr

Posted Dec 19, 2025

Spanish–English Localization & LQA Specialist (Spain)

Part-time contractor role for Spain-based localization professionals to evaluate and improve AI-generated Spanish (Spain) outputs; $24/hr, under 20 hrs/week. Requires native/nearly native Spanish, C1+ English, 5+ years localization experience, and strong MQM/LQA and CAT-tool skills.

Translation & Localization
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $24/hr

Posted Dec 19, 2025

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.