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 AI to evaluate AI-generated civil legal analyses focused on housing, family, consumer, foreclosure, and debt matters; provide structured written feedback to improve legal AI reasoning. Remote contract role for U.S.-bar attorneys, 20+ hours/week at $170/hr.
Posted Jul 16, 2026
Join OpenTrain as a remote Funds Contract Redlining Attorney to train and evaluate legal AI by running redlines, simulated negotiations, and grading model outputs. Part-time contractor role (20+ hrs/week) paying $90–$130/hr; J.D. and active U.S. bar required.
Posted Jul 16, 2026
Create multi-turn conversations, rubrics, and evaluation assets for frontier LLMs while working remotely as a contractor 20+ hours/week. Rapid onboarding and clear specs; paid on a per-task/hour basis at $20–$30/hr.
Posted Jul 16, 2026
Join OpenTrain as a remote LLM Red-Teamer to design adversarial multi-turn conversations, write rigorous evaluation rubrics, and validate frontier language models 20+ hrs/week for $40–$65/hr. Prior RLHF or evaluation experience is helpful but not required.
Posted Jul 16, 2026
OpenTrain is hiring a Hindi Audio Engineer to edit, mix, master and quality-review Hindi audio for AI training projects; flexible contractor work under 20 hrs/week, paid $20–$30/hr. Native or near-native Hindi required.
Posted Jul 16, 2026
Record expressive Spanish (Mexico) voice performances for AI training, delivering production-ready audio from your home studio; paid up to $65/hr for 20+ hours/week. Join OpenTrain to help shape how speech AI understands tone, emotion, and natural conversation.
Posted Jul 16, 2026
Join OpenTrain as a part-time Video Content Data Labeling Associate to annotate short first-person household-task videos (classification and object detection). Entry-level friendly, remote worldwide, $10–$12/hr for 20+ hours/week.
Posted Jul 16, 2026
Evaluate LLM outputs on complex finance tasks, craft domain-specific rubrics, and help improve AI training and benchmarking. Remote, flexible contract work (10–30 hrs/week) with competitive pay around $100+/hr.
Posted Jul 15, 2026
Join OpenTrain as a part-time AI Quality Analyst evaluating a conversational AI personalization feature; Portuguese fluency required. Remote, contractor work at $15/hr with a 20+ hour weekly commitment—you'll design personal prompts, compare side-by-side responses, and write defensible rationales.
Posted Jul 15, 2026
Evaluate and improve large language models on real finance tasks — capital markets, trading, M&A, accounting and more. Contract, part-time role (20+ hrs/week) paid $100/hr; English required and open worldwide through OpenTrain.
Posted Jul 15, 2026
Evaluate a new personalization feature for a conversational AI in German: design multi-turn prompts, compare side-by-side responses, and write clear rationales. Contractor role, $15/hr, 3-month engagement, remote with required PST overlap.
Posted Jul 15, 2026
Join OpenTrain to evaluate large language model outputs, create challenging prompts, and deliver recorded verbal feedback; remote, contract role (20+ hrs/week) paying $20–$30/hr. Entry-level friendly for strong American English speakers with LLM experience.
Posted Jul 15, 2026
Join OpenTrain as a remote Economics Expert to create benchmark-quality economics responses, review advanced solutions, and document rationales for AI training—PhD required; $80–90/hr, 20+ hours/week, contract part-time.
Posted Jul 15, 2026
Join OpenTrain as a contractor producing authoritative computer‑science answers, creating golden responses, and reviewing technical solutions to improve AI. PhD required; 20+ hours/week; $80–$90/hr; fully remote and open worldwide (English).
Posted Jul 15, 2026
Bring your PhD in biology to improve AI systems: review and refine biology prompts, scenarios, and model outputs on a part-time, remote contract at $80–90/hr. Work <20 hrs/week on text-based evaluation and generation tasks with OpenTrain AI.
Posted Jul 15, 2026
Join OpenTrain as a remote Physics AI Training Specialist (contract, <20 hrs/week) to create and review advanced physics content that improves AI reasoning; requires a PhD in Physics and pays $80–$90/hr. Work focuses on text-based generation and evaluation tasks.
Posted Jul 15, 2026
Join OpenTrain as a contracted Math Expert (PhD) creating and refining precise model answers for advanced undergraduate and graduate math prompts. Part-time remote work, 20+ hours/week at $80–$90/hr; English required.
Posted Jul 15, 2026
Use your PhD-level statistics expertise to write, review, and explain model responses that teach AI systems; part-time remote contract paying $90–$120/hr for an estimated 1–3 month project with flexible hours.
Posted Jul 15, 2026
Join OpenTrain as a remote Chemistry AI Training Reviewer to write and rate advanced chemistry responses, create golden-reference answers, and improve model behavior — part-time contract paying $80–$90/hr for an estimated 1–3 month engagement.
Posted Jul 15, 2026
Record, transcribe, and rate German voice interactions for a next‑generation AI assistant on your Mac; $38/hr, 20+ hours/week, fully remote and contractor-friendly. Ideal for native German speakers with strong transcription attention to detail.
Posted Jul 14, 2026
Design grading rubrics and score AI and human consulting deliverables with evidence-based written justifications. Remote contractor role, 20+ hours/week, pay $150–$220/hr working for OpenTrain AI on evaluation and quality tasks.
Posted Jul 14, 2026
Create graduate-level multiple-choice questions and exam-quality rationales, review AI-generated mechanical engineering content, and help ensure technical accuracy; contract, remote role paying $60–$130/hr for ~20+ hours/week.
Posted Jul 14, 2026
Remote, contractor role recording, annotating and evaluating German speech to improve AI pronunciation and language understanding; part-time (20+ hrs/week) and paid $30–$65/hr. Native German fluency and phonetics awareness required.
Posted Jul 14, 2026
Remote, part-time contract role writing and reviewing graduate-level electrical engineering exam questions and model outputs; flexible under 20 hrs/week, paid $40–$130/hr. Ideal for PhD or advanced master's holders with university teaching and assessment experience.
Posted Jul 14, 2026
Provide authoritative adjudication and written evaluations on contested high-energy and mathematical physics arguments to train next-generation AI. Part-time remote contractor role (under 20 hrs/week), $80–$160/hr, OpenTrain AI hiring.
Posted Jul 14, 2026
Join OpenTrain as a French Voice Coach delivering personalized pronunciation, diction, and fluency coaching in French; contractor, part-time role paying $30–$65/hr. Work remotely under 20 hours/week designing exercises, giving actionable feedback, and keeping progress records.
Posted Jul 14, 2026
Join OpenTrain as a part-time Hindi Voice Coach helping learners improve pronunciation, intonation, and conversational fluency through remote coaching and audio review. Flexible contractor role (under 20 hrs/week), paid $30–$65/hr, open worldwide to native or near-native Hindi speakers.
Posted Jul 14, 2026
Rate and annotate AI‑generated German-language music for up to 6 months, using music-production and audio-engineering terminology. Remote part‑time contract, 20+ hours/week, $32.48–$58.46/hr; native German and strong English required.
Posted Jul 13, 2026
Join OpenTrain AI to evaluate AI-generated Vietnamese music and lyrics — rate samples, annotate genres and song structure, and apply audio-engineering judgment. Remote contractor role, 20+ hrs/week, paid hourly up to $23.43 (USD).
Posted Jul 13, 2026
Join OpenTrain to evaluate AI-generated music in Swedish—assess songs, lyrics, vocal quality, and production for up to 6 months. Remote, part-time work at $30–$54/hr for experienced music producers, engineers, or mixers.
Posted Jul 13, 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.
