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.
Assess frontier AI coding agents by running realistic backend engineering tasks and reviewing model-generated code for correctness, maintainability, and performance. Remote contractor role paying $85/hr, 20+ hours/week, sprint-based work with typical tasks taking 2–3 hours.
Posted Jul 29, 2026
Evaluate frontier AI coding agents by reviewing model-generated ETL pipelines, data warehouses, and distributed systems; contractor, 20+ hrs/week at $80/hr (USD). Ideal for data engineers with 2+ years' hands-on ETL and infrastructure experience.
Posted Jul 29, 2026
Join OpenTrain as a contractor reviewing model-generated ML code, MLOps, and LLM application workflows—apply engineering judgment to find bugs, edge cases, and performance issues. Part-time remote work at $85/hr, 20+ hours/week, open worldwide to experienced ML engineers.
Posted Jul 29, 2026
Join OpenTrain for a high‑engagement, short‑term Finance Sprint evaluating whether public‑finance workflows reflect real professional practice; remote, worldwide contract at $115–$150/hr for 20+ hours/week.
Posted Jul 29, 2026
OpenTrain seeks an expert Finance Workflow Realism Reviewer to evaluate whether finance tasks and workflows reflect real-world trading, pricing, and risk practices; contractors earn $180–$235/hr reviewing RLHF and evaluation-rating text tasks in English.
Posted Jul 29, 2026
Join OpenTrain AI to evaluate finance tasks and workflows for professional realism, controls, and operational soundness; remote contractor role, 20+ hours/week, $70–$90 USD/hr. Requires expert experience in model risk, compliance, payments, fraud/AML and clear written judgment.
Posted Jul 29, 2026
Apply your investment banking, PE/VC, or fund-operations experience to evaluate and improve AI training tasks for real-world finance workflows. Contract, 20+ hours/week; paid $151–$196/hr depending on seniority.
Posted Jul 29, 2026
Evaluate browser-based test workflows and confirm deterministic, reliable automation for AI-generated web applications. Part-time contractor role (20+ hrs/week), remote worldwide, $30–$60/hr — requires QA/SDET experience with Playwright, Cypress, Selenium.
Posted Jul 29, 2026
Freelance evaluator who creates prompts and rates AI chatbot answers for Hindi small-business scenarios, submitting transcripts and structured assessments; 20+ hours/week, remote, contract part-time. Work with up to five-turn conversations and business documents in Hindi.
Posted Jul 29, 2026
Join OpenTrain AI to evaluate and compare chatbot responses for real-world small business scenarios in an entry-level, project-based role. Work remotely 20+ hours/week creating prompts, running multi-turn conversations, and submitting structured RLHF-style evaluations.
Posted Jul 29, 2026
Evaluate and improve agentic coding models by reviewing agent trajectories, verifying outputs, and designing rubrics on a 5-week remote contract. Requires 5+ years of hands-on software experience and daily overlap with PST.
Posted Jul 29, 2026
Short-term remote contract for a bilingual French/English analyst to create, label, and evaluate analytical Q&A that improve large language models; part-time (20+ hrs/week) with requirements to overlap US hours and potential extension. Entry-level friendly for strong analytical writers.
Posted Jul 29, 2026
Expert contractor role to design and optimize GPU software for LLM training (CUDA/WebGPU/GLSL). Remote, 20+ hrs/week, $60–$85/hr; requires advanced GPU programming and strong C++ for host-side integrations.
Posted Jul 29, 2026
Join OpenTrain as a Finance Workflow Realism Reviewer for a high-engagement, short sprint evaluating whether finance tasks match real professional practice; contractor, part-time work at $210–$270/hr, ~20+ hours/week, English required.
Posted Jul 29, 2026
Evaluate finance task prompts and workflows for professional realism, clarity, and internal consistency, then deliver concise, structured recommendations. Remote contract sprints paid $125–$165/hr for experienced finance practitioners who can judge fiduciary practice and RIA operations.
Posted Jul 29, 2026
Expert finance professionals wanted to review and improve the realism of finance tasks and workflows; $95–$125/hr, 20+ hours/week. Provide concise, structured feedback to help measure real-world finance capability in RLHF-style evaluations.
Posted Jul 29, 2026
Join a focused Finance Sprint to evaluate whether AI training tasks reflect real-world real-estate underwriting, project finance, and infrastructure practice; remote contractor role at $150–$200/hr, 20+ hours/week for experienced finance professionals. Apply via OpenTrain to shape how AI understands
Posted Jul 29, 2026
Join OpenTrain AI as a part-time contractor evaluating whether finance tasks and workflows reflect real professional practice; remote, text-based reviews, 20+ hrs/week, paid $170–$220/hr. Strong Python and quantitative finance experience required.
Posted Jul 29, 2026
Join OpenTrain to evaluate AI-generated and human-created data science work: design grading criteria, score technical deliverables, and write defensible evaluations. Remote, contract role for experienced data scientists with 20+ hours/week availability and $100–$150/hr pay.
Posted Jul 29, 2026
Manage operations for LLM browsing projects: track annotator performance in Google Sheets, review quality, and coordinate contributors. Remote contractor, 20+ hrs/week, $50–$60/hr.
Posted Jul 29, 2026
Join OpenTrain as an AI Video Annotator to review AI-generated video edits frame-by-frame, rate outputs, surface failure modes, and write concise reasoning notes; recurring remote batches pay $15–$20/hr for 20+ hours/week.
Posted Jul 29, 2026
Use your consulting experience to evaluate AI and human consulting deliverables for real-world projects. Remote, freelance role paying $100–$150/hr with a default 40-hour weekly commitment and flexible part-time options.
Posted Jul 29, 2026
OpenTrain AI seeks experienced, certified medical coders to assign CPT and ICD-10 codes to clinical records in a remote, high-volume contractor role paying $45–$65/hr. This short-term, production-focused assignment requires active CPC or CRC certification and strong U.S. documentation knowledge.
Posted Jul 29, 2026
Join OpenTrain as an ML Researcher Evaluation Specialist to assess frontier machine-learning researchers and their publication records for a high-priority pilot; part-time contractor role (20+ hrs/week), remote worldwide, paid $60–$100 USD/hr.
Posted Jul 29, 2026
OpenTrain AI seeks senior civil engineers to design scenario-based evaluation tasks and rubrics for AI used in infrastructure and construction; remote contractor role at $70–$80/hr, ~20+ hours/week. Use PE-level judgment across structural, geotech, water resources, transportation, and construction m
Posted Jul 29, 2026
Join OpenTrain to design evaluation scenarios and rubrics that test AI systems against enterprise mechanical engineering challenges; paid contract work at $70–$80/hr, 20+ hours/week, remote and worldwide. Ideal for engineers with hands-on product design and certification experience.
Posted Jul 29, 2026
Create and evaluate realistic business .xlsx/.docx/.pptx examples and provide side-by-side preference data to improve AI document behavior. Remote, contract role (20+ hrs/week) paying $20–60/hr; entry-level applicants with strong Excel/Office skills welcome.
Posted Jul 29, 2026
OpenTrain AI is hiring a remote Privacy Annotation Specialist to review legal documents for PII and confidential content, validate OCR outputs, and perform QA for AI-driven legal workflows; contract, part-time (20+ hrs/week), $105–$140/hr USD.
Posted Jul 29, 2026
Join OpenTrain AI to train next‑generation models by reviewing and annotating microbiology documents (RLHF and evaluation tasks). Remote, contract, 20+ hours/week; pay $70–$90/hr — ideal for candidates with a BSc+ in microbiology/biology and strong scientific communication.
Posted Jul 29, 2026
Join OpenTrain as a PII Document Review Specialist to classify, annotate, and redact sensitive information in documents; part-time contractor work (20+ hrs/week) with pay from $63–$119/hr (USD), remote and worldwide, English required.
Posted Jul 29, 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.
