Looking for remote AI-training or data-labeling work while located in Cuba? These listings are remote AI training and data labeling roles that explicitly accept applicants located in Cuba. OpenTrain is the hiring organization; candidates apply through OpenTrain, and OpenTrain may place or refer successful candidates to the client whose project they will support. Read each posting carefully: individual listings control eligibility, qualifications, hours, and pay, so check the live role for the exact requirements before applying.
Join OpenTrain as a Nepali bilingual linguistic reviewer to transcribe Nepali video content, add timestamps, and analyze tone, grammar, and idioms. This remote, part-time contractor role asks for strong Nepali/English skills and a regular weekly time commitment.
Posted Jul 24, 2026
Transcribe Albanian video, add precise timestamps, and annotate tone, intent, grammar, and idioms for AI training. Remote contractor role, 20+ hours/week; native/near-native Albanian and English required—entry-level friendly.
Posted Jul 24, 2026
Join OpenTrain as a Telugu Language Expert to review and localize Telugu content that helps train AI systems. Remote contract work with flexible hours — minimum 15 hrs/week, typical engagements 20+ hrs; no prior AI training experience required.
Posted Jul 24, 2026
Join OpenTrain AI as a part-time Nynorsk Language Review Specialist to edit, proofread, and evaluate Nynorsk content for translation and localization projects. Work remotely under flexible hours (less than 20 hrs/week) and help shape language quality across AI training tasks.
Posted Jul 24, 2026
Join OpenTrain as a remote Tamil Language Specialist to translate, transcribe, and localize documentation and training materials on a part-time contract basis. Contribute glossaries, style guidance, and linguistic insights while working under 20 hours/week.
Posted Jul 24, 2026
OpenTrain seeks a Bulgarian Language Review Specialist to review, translate, and QA Bulgarian–English documents for AI training projects; part-time remote (20+ hrs/week) with flexible hours and global applicants. Compensation is handled through OpenTrain project budgets.
Posted Jul 24, 2026
Join OpenTrain AI to translate, proofread, and QA Welsh text used to train AI systems. This part-time contractor role (20+ hrs/week) requires native or near-native Welsh, strong English, and experience in translation or localization.
Posted Jul 24, 2026
Join OpenTrain as a Kazakh Language Expert to create, review, and translate Kazakh-language content used to train and evaluate AI systems. Remote, flexible work (20+ hrs/week) helping ensure linguistic accuracy, cultural appropriateness, and high-quality model outputs.
Posted Jul 24, 2026
OpenTrain AI seeks a Spanish-language data annotation expert to label and validate Spanish text with linguistic precision. Remote, contract, part-time role (20+ hrs/week) for contributors with native/near-native Spanish and experience in annotation or linguistic QA.
Posted Jul 24, 2026
Join OpenTrain to record and transcribe Catalan speech from anywhere in Spain, part-time. Help build high-quality Catalan audio datasets, work under flexible hours, and earn $14–17/hr (typical $15/hr) as a contractor.
Posted Jul 23, 2026
Join OpenTrain to create and validate parametric FreeCAD models used to train AI—build libraries of mechanical parts and apply GD&T standards while working 20+ hours/week as a contractor paid $40–$100/hr. Intermediate CAD and mechanical design experience required.
Posted Jul 23, 2026
Join OpenTrain AI as a part-time contractor building reinforcement-learning environments and reproducible software tasks that evaluate model programming ability — remote, worldwide, under 20 hrs/week, paying up to $150/hr.
Posted Jul 23, 2026
Annotate images using CVAT and the Segment Anything tool to create polygon outlines for individual objects; entry-level, remote contract work paying $4–$6/hr (typical $5/hr). Start with a short trial and earn more work by meeting speed and accuracy goals.
Posted Jul 22, 2026
Short contract for a bilingual (German/English) reviewer to label and create analytical text scenarios that improve LLM reasoning. One-week, 40 hrs/week remote role with required daily overlap to UTC-8; immediate start.
Posted Jul 22, 2026
Join OpenTrain AI to review, label, and evaluate text that helps fine-tune large language models; this remote, short-term contract requires English and Spanish fluency, strong analytical judgment, and attention to annotation quality.
Posted Jul 22, 2026
Join OpenTrain as a remote Hebrew Language Expert translating, localizing, and QAing Hebrew text for AI training. Contract, part-time role (20+ hrs/week), paid hourly up to $30/hr; native or near-native Hebrew and professional English required.
Posted Jul 22, 2026
Join OpenTrain as a remote contractor to design reinforcement-learning environments that test AI on real-world coding tasks; part-time work with pay up to $150/hr and flexible weekly hours. Use C++, Python, Java, Go, TypeScript, or Rust to build reproducible environments and golden solutions.
Posted Jul 22, 2026
Join OpenTrain as a part-time Chinese Voice Coach to evaluate learner recordings, deliver targeted pronunciation feedback, and create lesson materials — remote work under 20 hrs/week with pay up to $65/hr. Native Mandarin or Cantonese speakers with voice-coaching experience encouraged to apply.
Posted Jul 22, 2026
Join OpenTrain to build and evaluate RL training environments that teach AI systems how to operate cloud infrastructure. Remote contractor role, worldwide, 20+ hrs/week (see schedule), paying $60–$130/hr with estimated project earnings of $9,600–$20,800.
Posted Jul 22, 2026
Join OpenTrain to test an Android mobile app: run supplied test cases, find UI/functional bugs, capture screenshots, and submit clear reproduction steps. Fixed-price contract of $130 for part-time remote work under 20 hours/week; entry-level testers welcome.
Posted Jul 21, 2026
Join OpenTrain AI to design rigorous, reproducible scientific-reasoning datasets that evaluate and improve LLMs. 8-week remote contractor role at 20+ hrs/week requiring 3+ years of physics experience and strong quantitative modeling skills.
Posted Jul 21, 2026
Join OpenTrain AI to QA multi-channel, unscripted US English audio and human-verified transcripts—checking fidelity, word-level timestamps, speaker IDs, metadata, and safety. Entry-level contractor role, 20+ hours/week, fully remote and worldwide.
Posted Jul 21, 2026
Join OpenTrain as a Medicinal Chemistry Review Specialist to evaluate and improve medicinal-chemistry datasets used to train advanced AI — contract, part-time, remote, 20+ hrs/week at $60–$80/hr. Provide expert reviews of structures, reactions, SARs, and experimental design.
Posted Jul 21, 2026
Apply advanced neuroscience expertise to annotate, review, and author neuroscience research, case studies, and scenario-based materials used to train generative AI — remote contract, part-time (20+ hrs/week), $60–$80/hr. Prior AI training experience not required.
Posted Jul 21, 2026
Apply your biochemistry expertise to annotate, validate, and refine biochemical datasets and model outputs for life-sciences AI; remote, 20+ hrs/week contract at $60–$80/hr. Join OpenTrain to shape how AI systems learn from scientific data.
Posted Jul 21, 2026
OpenTrain AI seeks an advanced-degree molecular biologist to review protocols, create annotations, and evaluate AI-generated scientific outputs. This remote, contract role is 20+ hours/week and pays $60–$80/hr for high-quality, evidence-based work.
Posted Jul 21, 2026
Join OpenTrain as a Pharmacology AI Training Expert helping train and evaluate AI responses about pharmacokinetics, pharmacodynamics, drug interactions, and therapeutic use. Contract role, 20+ hrs/week, paid $60–$80/hr for experienced PharmD/PhD/MD candidates.
Posted Jul 21, 2026
Join OpenTrain as a Human Data Manager to design and run annotation and data workflows, track KPIs, and improve dataset quality for AI training. Part-time contractor role, remote, paying $40–$60/hr with flexible hours (20+ hrs/week).
Posted Jul 21, 2026
Join OpenTrain AI as an Immunology AI Training Expert to evaluate and improve AI-generated immunology content, design datasets and case studies, and help shape scientifically accurate model outputs. Part-time contractor role (20+ hrs/week) paying $60–$80/hour, remote and worldwide.
Posted Jul 21, 2026
OpenTrain is hiring a remote contractor to review and produce production-ready parametric 3D CAD models, engineering drawings, and technical documentation. Part-time, 20+ hours/week; pay range $40–$100 USD/hr (posted rate $100/hr).
Posted Jul 21, 2026
Work described on these postings is human-in-the-loop AI training and data-labeling: preparing, reviewing, or categorizing examples used to train or evaluate models. Tasks can vary by project and may include 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. Inspect each job posting to see precise responsibilities, deliverables, and any required skills.
OpenTrain is the hiring organization for the roles shown and all applications are submitted through OpenTrain; successful candidates may be placed or referred to the client whose project they will support. Eligibility to apply while located in Cuba depends on each posting, so confirm location rules, working hours, required qualifications, and pay details on the live job.
