Looking for remote AI training or data-labeling work while located in Estonia? 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. AI-training work can include tasks such as labeling images or video, transcribing audio, evaluating model outputs, or translating text; inspect each posting to learn what the role requires.
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 transcribe and edit Japanese↔English audio and text in a flexible, remote contractor role (20+ hrs/week). Earn $30–$65/hr working on bilingual transcription and translation tasks that improve real AI systems.
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
Join OpenTrain to translate, review, and evaluate Hmong language content that improves AI behavior; this contract role is remote, requires native or near-native Hmong, and pays USD $40–$95/hr. Expect 20+ hours/week working on translation, evaluation, and linguistic analysis tasks.
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
Remote contract role transcribing and annotating Gã–English video for AI training; earn $45–95/hr and work 20+ hours/week. Ideal for native/nearly-native Gã speakers with strong transcription and language-analysis skills.
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
Contract role evaluating AI financial advice, drafting client prompts, and building review rubrics; pay $80–$110/hr for 20+ hrs/week. Ideal for financial advisors, tax planners, or wealth managers who can explain complex personal finance clearly.
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
Join OpenTrain to use your real-world business operations experience to evaluate CRMs, project management and automation tools for AI training datasets; part-time contractor work (20+ hrs/week) pays up to $120/hr.
Posted Jun 30, 2026
OpenTrain AI is hiring an English Voice Coach to evaluate and improve AI-generated voice performances—pronunciation, modulation, emotion, and dialect guidance. Part-time contract work (under 20 hrs/week), remote, pay range $30–$65/hr.
Posted Jun 30, 2026
Join OpenTrain AI as a remote English Audio Transcription Specialist transcribing and correcting audio to train next‑generation AI, $20–30/hr. Part‑time contractor role (20+ hours/week) for experienced transcribers who can tag metadata and follow strict quality standards.
Posted Jun 30, 2026
Join OpenTrain AI as a remote Engineering Technical Documentation Reviewer earning $40–$50/hr by reviewing blueprints, CAD outputs, and inspection reports to train AI systems. This part-time contractor role requires 20+ hours/week, English fluency, and real-world technical documentation experience.
Posted Jun 30, 2026
Join OpenTrain AI as a part-time Excel Data Analyst working 20+ hours/week to clean, validate, and analyze document datasets used for text-generation and evaluation tasks. Earn $40–$55/hr (USD) while producing the reports and visualizations that improve AI training workflows.
Posted Jun 30, 2026
Join OpenTrain AI as a contracted Child and Online Safety Expert to design taxonomies, detection frameworks, and clinical response rubrics that help AI systems recognize and respond to youth self-harm, eating disorders, and online exploitation. Remote, part-time work (20+ hrs/week) paying $50–$90/hr
Posted Jun 30, 2026
Roles that explicitly accept applicants located in Estonia involve human review and preparation of examples used to train or evaluate AI systems. Depending on the individual posting, tasks can include annotating images or video, transcribing or labeling audio, rating or writing model responses, evaluating search results, translating text, or applying subject-matter knowledge to verify outputs. Each listing specifies the exact responsibilities, required languages, and any domain knowledge needed, so candidates should read postings closely to see whether the tasks match their skills and interests.
All applications for roles that accept applicants located in Estonia are handled through OpenTrain. OpenTrain is the hiring organization for the public roles on this site and may place or refer successful candidates to the client whose project they will support. Eligibility, hours, pay, and other hiring details are set by each posted role, so review the posting for the rules that apply to that opportunity.
