This facet lists remote AI training and data labeling roles that explicitly accept applicants located in Singapore. Jobs in this category involve the human work that helps build and refine machine learning systems, and individual postings control eligibility, qualifications, hours, and pay. OpenTrain is the hiring organization for the roles presented on OpenTrain and may place or refer successful candidates to the client whose project they will support. Candidates apply through OpenTrain.
Join OpenTrain AI to design, solve, and evaluate challenging mathematics problems that probe LLM reasoning limits; this remote, part-time contractor role expects 20+ hours/week, advanced graduate-level math knowledge, Python ability, and English fluency.
Posted Jul 20, 2026
Review and improve AI-generated Singapore domestic tax research for OpenTrain, working 20+ hours/week as a contracted specialist in SG at USD $95–$125/hr. Validate IRAS-based reasoning, refine gold-standard answers, and strengthen grading rubrics.
Posted Jul 20, 2026
Join OpenTrain AI to evaluate AI-generated responses using your personal Gmail; native German or Korean speakers who can read English will work remotely 3–4 months, typically 20+ hrs/week with required PST overlap. Contractor, part-time role focused on personalization and quality feedback.
Posted Jul 18, 2026
OpenTrain AI seeks an experienced General Counsel to build and refine contract negotiation playbooks, draft and annotate commercial agreements, and strengthen templates for clarity and risk mitigation. This part-time contractor role requires active bar membership and offers $90–$130/hr for 20+ hours
Posted Jul 18, 2026
Join OpenTrain AI as a part-time, contract Senior FreeCAD Engineer reviewing and producing parametric CAD models, assemblies, and production drawings. Remote, 20+ hrs/week; pay range $40–$100/hr (USD).
Posted Jul 18, 2026
Review AI-generated Russian multi-speaker transcriptions and diarization for evaluation-grade audio; remote, entry-level contract work requiring 20+ hours/week and strong attention to verbatim fidelity, timestamps, and JSON output checks.
Posted Jul 17, 2026
Join OpenTrain AI as a French Audio QA Specialist reviewing multi-channel transcriptions and diarization; work remotely 20+ hours/week to ensure audio fidelity, word-level timestamps, accurate speaker IDs, metadata correctness, and strict privacy compliance.
Posted Jul 17, 2026
Contract with OpenTrain as an AI Quality Analyst evaluating a conversational AI personalization feature: design multi-turn prompts, rate side-by-side text responses, and write defensible rationales. 3-month contract, remote, 20+ hrs/week with required PST overlap.
Posted Jul 17, 2026
Review and validate AI-produced C++ code for correctness, efficiency, and reliability in a remote, contractor role. Ideal for intermediate C/C++ engineers who can spend 20+ hours/week giving clear, actionable feedback to improve generated software.
Posted Jul 17, 2026
Join OpenTrain as a Commercial Contracts Attorney to review and annotate M&A diligence documents and help train AI tools used by transaction teams; part-time contract work at $90–$100/hr, 20+ hours/week, remote and worldwide. Bring 5+ years of commercial contract and VDR experience plus a JD and act
Posted Jul 17, 2026
Seeking a licensed M&A/corporate attorney to evaluate deal scenarios, due diligence materials, and AI-generated legal outputs for 20+ hours/week. Remote, contract work paying $80–$100/hr to reviewers with JD and active bar membership.
Posted Jul 17, 2026
Join OpenTrain to draft high-quality commercial agreement templates used to train next-generation AI systems; remote, contract work at $80–$100/hr for 20+ hours/week. Ideal for practicing or recently qualified commercial attorneys with strong drafting experience.
Posted Jul 17, 2026
Work remotely as a part-time contractor annotating and reviewing Portuguese text for AI—20+ hours/week at $30–$65/hr. Use your native or near-native Portuguese and fluent English to label, evaluate, and improve language data for machine learning.
Posted Jul 17, 2026
Join OpenTrain as a remote Bengali language expert translating, localizing, and reviewing content while working 20+ hours/week. Competitive pay up to $30/hr on a flexible contractor, part‑time schedule—help shape how AI understands Bengali.
Posted Jul 17, 2026
Join OpenTrain AI to evaluate and localize Hindi text for AI systems, providing clear, evidence-based feedback to improve model behavior. Remote contractor work paying $10–$30/hr with flexible weekly hours (20–40+ hrs depending on project).
Posted Jul 17, 2026
Join OpenTrain as a remote Hebrew Language Expert to translate, localize, and QA Hebrew content while shaping language workflows; part-time contractor work at 20+ hours/week with hourly pay from $10–$30. Ideal for translators, editors, and localization pros fluent in Hebrew and English.
Posted Jul 17, 2026
Join OpenTrain AI as a remote French Language Expert providing translation, localization, proofreading, and linguistic guidance for multilingual AI-training projects; part-time contractor role (20+ hrs/week) paid USD $10–$25/hr (listed rate $25/hr), fluent French and English required.
Posted Jul 17, 2026
Join OpenTrain AI to design challenging biology problems and write rigorous step-by-step solutions that probe large language model reasoning; remote, contractor role for experts in biology (20+ hours/week, English required).
Posted Jul 17, 2026
Write and solve postgraduate-level chemistry problems, produce step-by-step explanations with equations and annotated diagrams, and evaluate model outputs to improve generative AI. Contract, part-time role (20+ hrs/week), remote, English required.
Posted Jul 17, 2026
Join OpenTrain to design and solve advanced physics problems that probe LLM reasoning and symbolic skills; remote, part-time contractor work (20+ hrs/week) for candidates with graduate-level physics experience and strong written English.
Posted Jul 17, 2026
Join OpenTrain AI to design and evaluate graduate- and PhD-level mathematics problems that test and improve large language models; work remotely as a contractor for 20+ hours/week building benchmark questions, reviewing model solutions, writing formal Lean proofs, and validating Python computations.
Posted Jul 17, 2026
Join OpenTrain AI as a French Audio Transcription QA Specialist to review multi-channel French conversations, verifying verbatim transcriptions, speaker diarization, timestamps, and content safety. Remote, contract, part-time work requiring native French and 20+ hours/week.
Posted Jul 17, 2026
Join OpenTrain to QA multi-channel German audio and verified transcriptions for a high-quality multilingual evaluation dataset. Remote, 8-week contractor role (~20+ hrs/week) requiring native German, precise timestamping, JSON validation, and multi-speaker expertise.
Posted Jul 17, 2026
Join OpenTrain to evaluate AI-generated Korean transcriptions and diarization for multi-channel conversational audio; remote, part-time contractor work requiring 20+ hours/week and strong Korean transcription/QC skills.
Posted Jul 17, 2026
Join OpenTrain as a remote Arabic Audio Transcription QA Specialist reviewing multi-channel conversations for an evaluation-grade speech dataset. This part-time contractor role (20+ hrs/week) is ideal for native Arabic speakers skilled in verbatim transcription, diarization, timestamps, metadata, an
Posted Jul 17, 2026
Review AI-generated Japanese transcriptions and diarization for multi-channel, conversational audio—validating timestamps, speaker IDs, and preserving unnormalized speech. Remote, contract work for fluent Japanese speakers with a strong ear; ~20+ hours/week.
Posted Jul 17, 2026
Join OpenTrain AI to evaluate Italian multi-channel transcriptions and diarization for a high-accuracy dataset; remote, part-time contractor work (20+ hrs/week) that requires native/fluent Italian and experience validating JSON metadata and timestamps.
Posted Jul 17, 2026
Remote contract role reviewing AI-generated Spanish multi-speaker transcriptions, diarization, and timestamps for strict accuracy and metadata alignment; 20+ hours/week, worldwide, intermediate-level work for fluent Spanish reviewers with ASR/QA experience.
Posted Jul 17, 2026
Review AI-generated Portuguese (Brazil) transcriptions and diarization for multi-channel recordings, validating timestamps, speaker labels, and verbatim unnormalized speech. Remote, part-time contract role (20+ hrs/week) for entry-level contributors with transcription QA experience.
Posted Jul 17, 2026
Join OpenTrain as a remote Chemical Reasoning & Discovery Engineer creating chemistry-focused reasoning datasets and reproducible evaluation rubrics for LLMs. This 8-week, part-time contractor role (~20+ hrs/week) requires 4 hours overlap with PST and is ideal for experienced chemists.
Posted Jul 17, 2026
Roles that accept applicants in Singapore cover a range of tasks used in AI training and data labeling. Examples of work include reviewing and annotating images or video, transcribing or recording audio, rating or editing generated text, translating content, and applying subject-matter expertise to verify outputs. Each live posting describes the exact tasks for that role.
Because individual postings set eligibility and scope, inspect each listing to confirm that it explicitly accepts applicants located in Singapore and to learn the responsibilities it describes.
Successful contributors often bring careful attention to detail, the ability to follow written guidelines, clear written communication, and the capacity to make consistent judgments. Subject-matter knowledge, strong language skills, or familiarity with the content area named in a posting can be helpful when listed as a requirement.
These descriptions are examples of useful skills, not requirements. Verify the qualifications and any language or expertise requirements in the live posting before applying.
Every listing controls who may apply and the project specifics. Look for explicit statements about applicant location, eligibility, required languages, hours, pay, and any client-specific conditions. Do not assume a posting that accepts applicants in Singapore has the same requirements as another listing.
OpenTrain is the hiring organization for the roles presented on OpenTrain and may place or refer successful candidates to the client whose project they will support. Candidates apply through OpenTrain.
