Looking for remote AI training or data labeling work you can apply for from Czechia? OpenTrain is the hiring organization for these roles, and candidates apply through OpenTrain. OpenTrain may place or refer successful candidates to the client whose project they will support.
Create, edit, and evaluate Portuguese marketing presentations, reports, and spreadsheets to support AI training. Part-time contractor role (20+ hrs/week), worldwide, native Portuguese required — earn up to $55/hr.
Posted Jun 30, 2026
Join OpenTrain to create, translate, and evaluate Japanese marketing documents for AI training—remote contractor, part-time (20+ hrs/week) with pay from $30–$70/hr. Native Japanese and 3+ years of marketing experience required.
Posted Jun 30, 2026
Join OpenTrain as a part-time contractor producing and reviewing French marketing documents, presentations, and spreadsheets — remote, 20+ hours/week, paid hourly (USD $10–$55/hr). Use your marketing experience and native French skills to help train next-generation AI.
Posted Jun 30, 2026
Join OpenTrain AI as a remote, bilingual Marketing Documents Specialist to create and review Chinese–English marketing materials for AI training; part-time contractor work at $10–$55/hr with a 20+ hour weekly expectation. Bring marketing experience, native Chinese, and strong Office skills.
Posted Jun 30, 2026
Review marketing and sales decks, build rubrics, analyze campaign and dashboard data, and help train AI business tools in a contract role paying $50–$60/hr for 20+ hours/week. Join OpenTrain to grow a flexible freelance career shaping how commercial AI behaves.
Posted Jun 30, 2026
Join OpenTrain as a part-time, remote Mandarin–English translation specialist helping train AI with high-quality business translations, localization, and proofreading. Flexible contract work under 20 hours/week with pay ranging $45–$95 USD/hour.
Posted Jun 30, 2026
Remote contractor role developing strategic recommendations, executive presentations, financial models, and scoring rubrics used to train AI; $50–70/hr, 20+ hrs/week. Join OpenTrain to apply consulting experience to real business documents and help shape model behavior.
Posted Jun 30, 2026
Expert M&A attorney needed to redline contracts, perform simulated negotiations, and evaluate AI responses to improve contract-review models. Remote contractor role (OpenTrain AI), 20+ hrs/week, $80–$105/hr; requires J.D., active U.S. bar, and 2+ years M&A experience.
Posted Jun 30, 2026
Help train legal AI by reviewing contracts, interpreting regulations, and writing concise legal summaries for a remote contractor role. Entry-level friendly, 20+ hrs/week, paid $15–$25/hr, English required.
Posted Jun 30, 2026
Remote contractor role reviewing Panda3D and Python game code for AI training—provide clear critiques, example fixes, and gameplay insights; 20+ hrs/week, pay up to $120/hr. Ideal for Python game devs comfortable with C++ engine integration and GitHub workflows.
Posted Jun 30, 2026
OpenTrain AI seeks an experienced Electronic Engineer with deep Qucs-S expertise to design, simulate, and validate circuits remotely (20+ hrs/week). Competitive hourly pay up to $120/hr; contractor, part-time role for skilled simulation engineers who document and mentor teammates.
Posted Jun 30, 2026
Join OpenTrain as a JavaScript Frontend Developer to build and optimize user-facing tools that power AI training workflows. Remote contract role, 20+ hours/week, pay $30–$90 USD/hour, focused on modern JavaScript, architecture, code quality, and mentoring.
Posted Jun 30, 2026
Join OpenTrain AI as a remote, part-time Javanese translation and localization contractor working under 20 hrs/week to translate, review, and QA written content. Pay range $45–$95/hr; bilingual Javanese/English fluency required.
Posted Jun 30, 2026
Join OpenTrain AI as a Java backend developer building Spring-based services that support next-generation AI training. This part-time contractor role is remote, requires 20+ hours/week, and pays $20–$50/hr.
Posted Jun 30, 2026
Join OpenTrain to create and refine Portuguese HR policies, contracts, and onboarding materials for AI training; contractor, part-time (20+ hrs/week) paid hourly up to $45 USD. Native-level Portuguese, a Bachelor's degree and 3+ years HR documentation experience required.
Posted Jun 30, 2026
Join OpenTrain as a remote contractor creating and reviewing bilingual HR policies and documents to train AI—ideal for HR professionals with native Korean and strong English. Part-time (20+ hrs/week) work paid $10–$55/hr.
Posted Jun 30, 2026
Create, review, and optimize German-language HR documents and SOPs for enterprise workflows in a remote contract role; requires native German, 3+ years HR document experience, and expert MS Word/Excel/PowerPoint. Part-time (20+ hrs/week), paid up to $45/hr.
Posted Jun 30, 2026
Join OpenTrain AI to help train models using Chinese HR materials: develop, translate, and review employee handbooks, policies, onboarding docs, spreadsheets, and presentations. Remote contractor role (20+ hrs/week), pay $10–$55/hr; native Chinese and strong English required.
Posted Jun 30, 2026
Contract remote role transcribing and annotating Hindi audio for AI systems—paid at $16/hr, 20+ hours/week. Edit machine transcripts, add metadata, and deliver accurate, confidential transcription assets for model training.
Posted Jun 30, 2026
OpenTrain AI is hiring a remote Go backend developer to build REST/GraphQL endpoints and run focused evaluations of alpha AI coding tools; part-time (<20 hrs/week), contract role paying $30–$90/hr. Ideal for experienced Go engineers who enjoy debugging and product QA.
Posted Jun 30, 2026
Part-time contractor role reviewing and grading AI-generated contract redlines for fund documents (LPAs, subscription agreements, side letters). Requires active U.S. bar and funds-department experience; pays $80–$105/hr and is under 20 hrs/week.
Posted Jun 30, 2026
Join OpenTrain as a remote French transcription and annotation contractor to improve machine-generated French transcripts; part-time (20+ hrs/week), hourly pay in USD ($10–$25/hr), worldwide, entry-level friendly. Bring French fluency and strong attention to detail.
Posted Jun 30, 2026
Remote contract role transcribing and annotating Canadian French audio: correct machine transcripts, add metadata and entity tags, and document edits. Entry-level, 20+ hrs/week, pay USD $15–25/hour, open worldwide.
Posted Jun 30, 2026
Join OpenTrain as a contractor to review, create, and refine Portuguese financial documents for AI training. Part-time (20+ hrs/week), remote work with pay up to $45/hr; strong finance background and native Portuguese required.
Posted Jun 30, 2026
Join OpenTrain as a Korean Financial Document Review Specialist to evaluate AI outputs and review financial reports, helping models learn from expert human feedback; part-time remote contractor work at $10–$55/hr, ~20 hrs/week for 1–3 months. Native Korean and finance skills required.
Posted Jun 30, 2026
Work remotely as a German Financial Document Specialist reviewing German financial reports, spreadsheets, and presentations to train AI—entry-level friendly, 20+ hrs/week, $10–$55/hr with estimated project earnings of $1,600–$8,800. Native German and finance experience required.
Posted Jun 30, 2026
Review, edit, and annotate French financial documents to help train AI—remote contractor role with 20+ hours/week and pay between $10–$55/hr. Native French, finance experience, and strong Excel/Word/PowerPoint skills required.
Posted Jun 30, 2026
Join OpenTrain as a part-time, remote Financial Documents Specialist working in Chinese to create, review, and format finance documents that help train AI systems. Flexible contractor role (20+ hrs/week, 1–3 months) paying $10–$55/hr for candidates with strong finance document experience.
Posted Jun 30, 2026
Join OpenTrain to analyze real-world financial documents, build models, and rate outputs that train next-generation AI. Part-time contractor role (20+ hrs/week), remote, $15–$25/hr; strong Excel, risk-awareness, and clear communication required.
Posted Jun 30, 2026
Review and validate financial documents to help train AI—perform reconciliations, variance analysis, and ERP review. Remote contract, 20+ hrs/week, paid hourly ($10–$55/hr, top rate $55/hr); requires Bachelor's plus 4+ years relevant finance or accounting experience and fluent English.
Posted Jun 30, 2026
AI training and data labeling work helps prepare and review examples used by artificial-intelligence systems. Depending on the individual role, tasks 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. A remote listing that accepts applicants located in Czechia may focus on one or more of these activities, so read each posting to understand its specific scope.
OpenTrain is the hiring organization for the public roles available through OpenTrain. Candidates apply through OpenTrain, and successful candidates may be placed or referred to the client whose project they will support. Because each project has its own requirements, the individual live posting is the source of truth for eligibility, qualifications, hours, pay, and other role-specific details.
