Open AI training and data labeling positions available to applicants in Argentina. Every job is remote — apply with a free OpenTrain account.
Part-time remote red team role evaluating LLMs and AI agents for safety and security, requiring an advanced English level, a technical degree, and at least one verifiable cybersecurity/red-team certification. Flexible hours, contractor work, compensation varies by location up to $55/hr.
Posted Nov 17, 2025
Label bounding boxes for volleyball actions (spike, block, serve, set, receive) in images using CVAT at $0.03 per label. Entry-level, part-time contractor work (<20 hrs/week), remote and open worldwide with examples and clear guidelines provided.
Posted Nov 16, 2025
Draw bounding boxes around volleyballs in game images (only balls in play) using CVAT. Entry-level, one-time remote contract paid per label at $0.04 — work up to 20 hours/week from anywhere.
Posted Nov 14, 2025
Annotate segmentation masks for defects on 200 high-resolution smartphone screen photos using Label Studio; pre-annotations provided. Entry-level, part-time contractor work (remote worldwide) paid $2/hour with flexible hours under 20 hrs/week.
Posted Nov 14, 2025
Project-based contract reviewing Portuguese AI outputs for quality, correctness, and guideline alignment; flexible hours under 20 hrs/week and paid at $15/hr. Must live in Portugal and have C1+ European Portuguese, B2+ English, and 1+ year experience in annotation or QA.
Posted Nov 12, 2025
Project-based, part-time QA role for Italian speakers living in Italy: review and score AI-generated Italian text, correct labels, and provide structured feedback. Flexible hours under 20 hrs/week at $17/hr; requires C1 Italian, B2 English, and 1+ year annotation or QA experience.
Posted Nov 12, 2025
Annotate recycling images with polygon segmentation using CVAT and the Segment Anything interactor; entry-level, remote contractor work paid $5/hour with a small paid trial and the possibility of more tasks for reliable contributors.
Posted Nov 11, 2025
Experienced image annotator needed to create accurate bounding boxes and polygon labels for PPE detection. Fixed-price contract: $2,000; remote and open worldwide — work with Roboflow on object-detection and polygon labels.
Posted Nov 4, 2025
Annotate conversational banking data for a personal finance AI advisor: classify intents, tag transactions and function calls, validate SQL, and rate assistant replies. Fixed-price contractor project ($2000) for intermediate annotators with finance knowledge and basic SQL skills.
Posted Oct 30, 2025
Label 5–6 buttons per photo using bounding boxes and polygons in Label Studio for a per-label rate of $0.05; entry-level, fully remote, contractor work that fits flexible schedules. Ideal for detail-oriented contributors who enjoy image annotation.
Posted Oct 27, 2025
Join a growing team building high-performance, accessible web interfaces as a remote contractor at $35/hr. Require 2–6 years experience, strong JS/TS and framework skills, a public live portfolio link, and a minimum 17–20 hrs/week.
Posted Oct 27, 2025
Verify and annotate company attributes from public sources for AI training projects — remote contractor work at $15/hr. Use careful online research, logical reasoning, and Excel to produce clean, traceable company records (no AI/automation allowed).
Posted Oct 27, 2025
Join a remote team evaluating AI-generated chemistry answers at $80/hr; ideal for candidates with a BS/MS/PhD in chemistry (Top‑100 university preferred) who can write rigorous, stepwise solutions and spot subtle conceptual and computational errors. Part-time contractor role — minimum 17–20 hrs/week
Posted Oct 24, 2025
Remote contractor role for PhD-level biologists to evaluate AI-generated biology responses: assess correctness, reasoning, methods, and statistics; $80/hr with paid qualification and project exams. Minimum availability ~17–20 hrs/week, worldwide.
Posted Oct 24, 2025
Earn $80/hr reviewing AI-generated physics solutions: evaluate correctness, reasoning depth, and clarity, author exemplar solutions, and rate model outputs. Remote contract role for physics specialists (BS/MS/PhD from a top‑100 university), ~17–20 hrs/week.
Posted Oct 24, 2025
Join a remote, paid contract role evaluating AI math answers at $80/hr—ideal for candidates with a BS/MS/PhD (or in-progress) in mathematics from a top-100 university. Minimum 17–20 hrs/week with paid qualification and project exams during onboarding.
Posted Oct 24, 2025
Join a deeptech AI research startup as a part-time contractor testing an internal AI coding tool and earn $100/hour for up to 20 hours/week. You should have solid Python experience and familiarity with AI coding assistants like Cursor, Windsurf, or Claude Code.
Posted Oct 17, 2025
Part-time contract role building and polishing responsive frontend features with React/Angular/Next.js/Svelte; requires 2–4 years experience, strong CSS/Tailwind or Bootstrap, a UX eye, and portfolio links. Remote, 17–20 hrs/week, $10–$50/hr depending on quality.
Posted Oct 6, 2025
Part-time contract role applying offensive security and LLM red-teaming skills to evaluate models, agents, and RAG pipelines; $40/hr, <20 hrs/week. Must have hands-on pentesting experience, Python/Bash/PowerShell skills, C1 English, and be able to take a HackerRank + platform test immediately.
Posted Oct 6, 2025
Remote contract role reviewing automotive engineering prompts and LLM responses; requires 3+ years in automotive engineering, practical Python skills, strong technical writing, and pays $40/hr for under 20 hrs/week.
Posted Oct 1, 2025
Contract project to annotate scene boundaries and precise timestamps across ~1,000 YouTube videos (5–10 min each) using uLabel; preferred vendor teams of 10–15 annotators for a 4–6 week engagement with ≥95% spot-check accuracy. Pay: USD 4/hour.
Posted Sep 14, 2025
Write concise 50–250 word captions that explain setting, action, emotion and dialogue for short video clips. Remote, USA-only contractor work at 20+ hours/week with rates for Captioners and a Senior QC track.
Posted Sep 14, 2025
Annotate guitar fretboard images using Label Studio: draw a polygon for each fret, one polygon/box for the full playing surface, and a box/polygon for the nut; exclude players' hands. Entry-level contractor project, fixed price $500, remote worldwide.
Posted Sep 8, 2025
Entry-level, remote contract role for Python-savvy data scientists to run statistical analyses with numpy/scipy/statsmodels, clean messy datasets, and communicate findings; part-time (<20 hrs/week), $25/hr, worldwide.
Posted Sep 3, 2025
Join OpenTrain to build ETL pipelines and interactive dashboards using Python, Plotly/Dash, and SQL; part-time contractor role paying $25/hr for under 20 hours/week. Ideal for entry-level data analysts who write clean code, validate data, and translate business questions into clear visual insights.
Posted Sep 3, 2025
Work remotely as a freelance Mandarin (native) AI content annotator, evaluating and rating text (with occasional images/videos) for quality and factual accuracy; 20+ hrs/week, $12/hr, must reside in Singapore and meet language, degree, and experience requirements. Apply to OpenTrain to join projects
Posted Sep 2, 2025
Record ~30 short phone greetings and voicemail clips in your native language for $24–$36 per batch; most people finish in 30–45 minutes. Must be a native speaker located in-country with an in-country mobile number and a quiet space.
Posted Aug 26, 2025
Annotate a single target class per image using polygon segmentation in CVAT; SAM suggestions are allowed but must be manually corrected. Entry-level, fully remote contractor work at $0.04 per labeled image on a growing dataset (~18,000 images) with continuous tasks.
Posted Aug 25, 2025
Apply specifying which primary language you’re applying for (Python, JavaScript/TypeScript, Rust, or Ruby). Contract role: review model-generated code, annotate results, and write evaluation prompts — 20+ hrs/week at $15/hr.
Posted Aug 1, 2025
Flexible 3–6 month remote contract evaluating AI-generated elementary ELA content; $35/hr, 10+ hours/week. Two tiers available for U.S. classroom teachers—Expert (5+ years) and Standard (2+ years)—apply through OpenTrain.
Posted Jul 31, 2025
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