This facet surfaces remote AI training and data labeling roles that explicitly accept applicants located in Sri Lanka. The opportunities support the development and evaluation of machine-learning systems and can involve varied task types across media and subject areas. OpenTrain is the hiring organization for the roles shown here; candidates apply through OpenTrain and OpenTrain may place or refer successful candidates to the client whose project they will support. Inspect each live posting for the authoritative details on eligibility, hours, pay, and requirements.
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
Join OpenTrain to evaluate and annotate AI-generated U.S. legal responses using structured rubrics; requires a J.D. and 3+ years of U.S. practice or teaching. Flexible part-time contract (10–30 hrs/week), ~1 month with possible extension.
Posted Jul 17, 2026
Join OpenTrain as a native Russian Audio QA Specialist to review multi-channel recordings, verbatim transcriptions, timestamps, and metadata for a multilingual audio evaluation dataset; 20+ hrs/week, contractor, remote, worldwide.
Posted Jul 17, 2026
Roles under this facet contribute to AI model training and quality assurance. Tasks can cover annotating images or video, transcribing or recording audio, writing or rating model responses, evaluating search results, translating text, reviewing code, or applying subject-matter knowledge to label or verify data.
Each individual posting defines its exact scope, required deliverables, and instructions; use the live posting to confirm what a specific role requires.
Consider practical abilities that match the task types above. Clear reading and writing, attention to detail, and the ability to follow written guidelines consistently are commonly useful when producing or judging data used by AI systems.
Language proficiency, pattern recognition, thoroughness, and familiarity with a relevant subject area can help you decide whether to open a specific posting and learn its requirements.
Individual job postings control eligibility, qualifications, hours, pay, schedule, and any location rules. The live posting is the authoritative source for everything that governs a particular role.
Candidates apply through OpenTrain. OpenTrain is the hiring organization for the roles presented here and may place or refer successful candidates to the client whose project they will support.
