Explore remote General Annotation roles hired through OpenTrain. Review responsibilities, eligibility, pay, and client project details in each listing, then apply with a free account.
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 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
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
Join OpenTrain as a Junior PCB Design Reviewer to evaluate DesignSpark schematics and layouts, create annotated feedback, and help build reference materials used for AI training datasets. Remote contract work, 20+ hours/week, pay range $20–$110/hr.
Posted Jul 21, 2026
Build, validate, and automate advanced macroeconomic time-series models in EViews for a remote contract role (20+ hrs/week) with pay up to $100/hr. Translate statistical output into concise reports and support policy-facing economic narratives.
Posted Jul 21, 2026
OpenTrain AI seeks a Qucs-S expert to design, simulate, and evaluate electronic circuits for document-based AI training projects; contractor, remote, 20+ hours/week, $50–$120/hr. Bring real-world circuit experience and clear technical writing to help teach AI systems.
Posted Jul 21, 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
Join OpenTrain as an AI Data Review and Annotation Specialist working 20+ hours/week to label and validate text data for AI models. Work remotely (US or Brazil), apply detailed guidelines, catch edge cases, and help keep training datasets accurate and consistent.
Posted Jul 17, 2026
Join OpenTrain as a remote Data Annotation Generalist working 20+ hours/week on English text classification projects; entry-level contributors with strong attention to detail and communication skills are encouraged to apply for $30–$80/hr (USD).
Posted Jul 11, 2026
Join OpenTrain AI as a remote Architect CAD and Construction Documentation Reviewer—work 20+ hrs/week creating and reviewing CAD drawings, GD&T callouts, electrical schematics, and PCB layouts to train next-generation AI; $40–$50/hr, worldwide, English required.
Posted Jul 11, 2026
Use your building-code and permitting expertise to review and label construction documents for AI systems, in a flexible remote contract role paying $65–$90/hr. Starts at 5 hours/week with part-time contractor status.
Posted Jul 10, 2026
OpenTrain is hiring a Network Data Annotation Engineer to label production network logs, configs, telemetry, and incident patterns for AI model training. Remote contractor role, $50–$70/hr, 30–40 hours/week; you must have Tier 3/Principal network troubleshooting and wireless experience.
Posted Jul 10, 2026
Join OpenTrain as a US-based contractor handling technical customer issues for an AI-powered platform; part-time, 20+ hrs/week, paid $30–$34/hr. Use troubleshooting, documentation, and clear, empathetic communication to reproduce, track, and escalate problems.
Posted Jul 9, 2026
Work remotely as a contractor reviewing packing lists, bills of lading, inventory registers, and supply-chain documents to train AI systems; 20+ hours/week, $40–$50/hr. Join OpenTrain AI to turn your logistics experience into flexible, high-impact annotation work.
Posted Jul 9, 2026
Join OpenTrain AI as a PDF Document Annotation Specialist to create precise bounding-box and classification labels for structured information extraction. Work remotely from Bangladesh, 20+ hours/week at $3/hr, applying careful guideline-driven annotation on complex PDF layouts.
Posted Jul 9, 2026
OpenTrain AI is hiring a Talent Assessment Specialist in Bangladesh to review CVs and recorded AI-conducted interviews, assess role fit, flag inconsistencies, and produce concise reviewer recommendations. Part-time contractor role, 20+ hrs/week at $4/hr; fluent English required.
Posted Jul 9, 2026
Join OpenTrain as a part-time contractor to QA OCR-processed Korean PDFs—verify bounding boxes, tables, reading order, and character-level Korean text for model-training datasets. 20+ hrs/week at $40/hr, remote (KR), native/fluent Korean and strong English required.
Posted Jul 9, 2026
Lead Excel QA for AI-generated spreadsheets: review formulas, models, and trainer output, give precise written feedback, run onboarding, and help improve QA processes — part-time contractor (20+ hrs/week) for US-based contributors at $55/hr.
Posted Jul 8, 2026
Join OpenTrain as a remote CAD Review Specialist to annotate and evaluate 2D/3D AutoCAD designs that train AI systems; contractor, part-time role paying $20–$70/hr with 20+ hours/week and estimated project earnings of $3,200–$11,200.
Posted Jun 28, 2026
Join OpenTrain AI as a remote, entry-level Data Entry Clerk doing text-focused annotation and record upkeep for under 20 hours per week at $30/hr. U.S.-based contractors can apply quickly via OpenTrain to start building a career in AI training.
Posted Jun 19, 2026
Design and build high-converting landing pages and brand storefronts using no-code platforms (Shopify, Webflow, Squarespace, WordPress). Part-time contractor role (<20 hrs/week) with hourly pay ($10–$25/hr, typical $20/hr); strong portfolio with live links required.
Posted Mar 11, 2026
Review AI-extracted records from PDFs, emails and scanned files: confirm, correct, fill missing fields, and flag ambiguities for escalation. Part-time contractor role, $12/hr, under 20 hours/week — ideal for people with invoices, orders, or logistics experience.
Posted Mar 3, 2026
Native Japanese speakers in Japan needed to annotate and QA Japanese PDFs: draw bounding boxes, classify elements, correct OCR, and create simple HTML table descriptions. Pilot 2–3 hours; ongoing flexible contractor work. Pay: $18/hr (Annotator), $20/hr (QA).
Posted Jan 29, 2026
Join OpenTrain AI as a remote contractor verifying and annotating company records (name, jurisdiction, website, directors, shareholders, revenue range, payment types) using careful human research and Excel highlights; $15/hr, intermediate-level, worldwide.
Posted Oct 27, 2025
Work remotely as a part-time contractor annotating PDF documents: draw bounding boxes, transcribe English text exactly, describe figures, and convert tables to JSON. Entry-level friendly with C1/C2 English required; $7/hr, under 20 hrs/week.
Posted Mar 31, 2025
Argentina-based freelancers with B2+ English are needed to review and correct pre-annotated English text tags using an online labeling tool; part-time contractor work under 20 hrs/week at $3.50 USD/hour. Entry-level friendly—previous labeling experience and attention to detail are a plus.
Posted Feb 17, 2025
Annotate English song lyrics by choosing which of two music tracks best fits and explain your reasoning; entry-level, remote contract for candidates in the Philippines. Work 20+ hours/week at a maximum rate of $3.15 per hour — strong B1/B2 English required.
Posted Dec 14, 2024
Native or fluent Polish speakers needed to annotate product review topics and sentiment for e-commerce; ongoing, flexible contractor work at $7/hr with a minimum 15 hours/week to help improve AI models that sort and filter reviews.
Posted Oct 24, 2024
Help train AI by labeling 10,000 social-media video transcripts for the presence of ~30 sales-related features (urgency, discounts, product mentions). Intermediate-level, strong English required; 20+ hours/week, fixed-price contract through OpenTrain AI.
Posted Oct 23, 2024
