Skip to content
OpenTrain AIFor AI Companies

Remote AI training and data labeling jobs in Estonia

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.

  • 100% remote
  • Flexible hours
  • Hourly / per-task pay
  • 5 open roles

Cantonese Creative Writer For LLM Chatbot Training

Work remotely as a Cantonese creative writer crafting and polishing chatbot responses to train LLMs—flexible contract hours, $19/hr, minimum 10 hours/week with preferred 20+ hours. Ideal for experienced Cantonese writers with strong editing skills and a portfolio.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $19/hr

Posted Jul 30, 2024

Mandarin Creative Writer for LLM Training

Seeking an experienced Mandarin creative writer to craft and refine chatbot dialogue for AI training. Part-time remote contract (flexible hours) paying $15/hr; candidates with 5+ years writing experience and prior platform writing tasks are preferred.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15/hr

Posted Jul 25, 2024

Polygon Segmentation For Game Screenshots

Draw polygon masks around doors in about 1,000 game screenshots using Labelbox; entry-level, remote contract work at $8/hr, under 20 hours/week. Video-game experience helps but is not required.

Image & Video Annotation
Image
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $8/hr

Posted Jul 23, 2024

Portuguese Creative Writer for LLM Chatbot Training

Remote contract role crafting authentic Portuguese dialogue and editing AI-generated text to train LLM chatbots — $17/hr, flexible schedule with a minimum 10 hrs/week (preferred 20+). Requires strong creative writing in Portuguese; portfolio and platform experience preferred.

Writing & Editing
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $17/hr

Posted Jul 23, 2024

French Creative Writer For LLM Chatbot Training

OpenTrain AI seeks an experienced French creative writer to craft and refine chatbot dialogue for LLM training; flexible remote contract work (min 10 hrs/week, preferred 20+), paid $27/hr, with a short French-language test during interview.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $27/hr

Posted Jul 23, 2024

Spanish Creative Writer, LLM Chatbot Training

Join OpenTrain AI as a remote Spanish (Mexico/Chile) creative writer to craft natural, culturally accurate chatbot dialogues; flexible schedule with a preferred 20+ hrs/week and pay of $8.21/hr. Ideal for experienced Spanish writers who enjoy language and AI.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $8.21/hr

Posted Jul 23, 2024

Italian Creative Writer For LLM Chatbot Training

Remote contract role writing authentic Italian dialogue to train LLM chatbots — flexible hours, $28/hr, minimum 10 hrs/week with preference for candidates available for 20+ hrs. Ideal for experienced Italian creative writers who care about linguistic nuance.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $28/hr

Posted Jul 23, 2024

German Creative Writer for LLM Chatbot Training

Remote contract role writing German dialogue to train conversational AI—create authentic, regionalized responses and edit AI output. Part-time contractor work at $24/hr with flexible hours (minimum 10 hrs/week; preferred 20+ hrs/week).

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $24/hr

Posted Jul 23, 2024

Japanese Creative Writer For LLM Chatbot Training

Join OpenTrain AI as a remote Japanese creative writer producing and editing dialogue for LLM chatbots; flexible hours, $20/hr, minimum 10 hrs/week (preferred 20+), and a chance to shape how AI communicates in Japanese. Native-level Japanese writing skill and strong creative experience required.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $20/hr

Posted Jul 23, 2024

Korean Creative Writer For LLM Chatbot Training

Remote contract role creating authentic Korean dialogue to train LLM chatbots; flexible hours with a 10-hour minimum (preferred 20+ hrs/week) at $17/hr. Ideal for experienced Korean creative writers who can produce dialect-aware, polished responses and complete a short Korean-language test.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $17/hr

Posted Jul 23, 2024

Audio Edit Quality Annotator for Speech Data

Review and label 5 hours of edited speech audio by comparing edits to transcripts and waveforms to identify and segment problematic regions; intermediate audio-editing experience required. This is remote contractor work paid at $0.1275 per label.

Audio & Speech
Audio
Remote · Worldwide
Flexible hours
Intermediate level
Per task · $0.1275/label

Posted Jul 16, 2024

Advanced Python QA for AI Model Training

OpenTrain AI seeks experienced Python QA engineers to review code and ensure SLA-level quality for LLM data training projects. This remote, contractor role requires 5+ years of Python, a B2+ English level, and a reliable 30–40 hours/week commitment for 6+ months at $13/hr.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $13/hr

Posted Jun 25, 2024

TypeScript Developer, AI Training & Code Annotation

Join OpenTrain as a remote TypeScript developer working 20–40 hours/week on an ongoing AI training project; you’ll write and debug TypeScript snippets to produce high-quality training data. This long-term (6+ months) contractor role pays $7.25/hr and requires 2+ years of professional TypeScript expe

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $7.25/hr

Posted Jun 25, 2024

JavaScript Developer, AI Training (Remote, 20–40 hrs/wk)

Join OpenTrain AI as a contracted JavaScript developer to write and debug code for an AI training project. 6-month, remote role (20–40 hrs/week) with a $6.90/hr pay rate and a required JavaScript coding assessment after application.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $6.9/hr

Posted Jun 25, 2024

C++ Programmer, LLM Training Data (Remote, 20–40 hrs/wk)

Join a remote, long-term project building C++ training data for large language models: write and debug short C++ programs, optimize AI-generated code, and produce precise training examples. Contractor role, 20–40 hrs/week for ~6 months; requires a CS-related degree and 2+ years C++ experience.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $6.85/hr

Posted Jun 25, 2024

Java Developer, AI/LLM Training (Long-Term, Remote)

Join OpenTrain AI as a remote Java developer on a long-term (6+ month) contract creating and debugging Java code to build training datasets for large models. Flexible 20–40 hrs/week; $6.75/hr; candidates complete a short Java coding assessment after proposal.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $6.75/hr

Posted Jun 25, 2024

Scala Developer for AI/LLM Training (Remote Contract)

Join OpenTrain AI as a remote Scala developer on a long-term (6+ month) AI/LLM training project, writing and debugging Scala code to create training datasets; flexible 20–40 hrs/week (preferred 25–40) at $9.28/hr. Apply with a proposal and complete a Scala coding assessment as the next step.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $9.28/hr

Posted Jun 22, 2024

C Programmer, Remote AI Training (Long-Term, Part-Time)

Join a long-term, remote AI training project creating and debugging C code for model training; 20–40 hrs/week, contractor role paying $8.85/hr with a required C coding assessment after application. Candidates need 2+ years of C development experience and a relevant degree.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $8.85/hr

Posted Jun 22, 2024

Kotlin Developer, AI Training (Long-Term, Remote)

Join OpenTrain AI to create and debug Kotlin code used to train next-generation AI models; remote, long-term contract work requiring 20–40 hours/week and at least 2 years of Kotlin experience. Paid at $9.50/hr and includes a coding assessment after application.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $9.5/hr

Posted Jun 22, 2024

C# Developer, AI Training & Code Annotation

Join a remote, long-term AI training project writing and debugging C# code for model training datasets; 20–40 hours/week at $9/hr. Apply to receive a C# coding assessment and help improve AI code quality by creating accurate, optimized examples.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $9/hr

Posted Jun 22, 2024

Go Developer, Code Writing & AI-Training Project

Join OpenTrain to write and debug Go code that trains AI models. Long-term remote contract (20–40 hrs/week, 6+ months) paying $9/hr — requires a CS degree, fluent English, and at least 2 years of professional Go experience.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $9/hr

Posted Jun 22, 2024

Swift/iOS Code Reviewer (QA), 30–40 hrs/week

OpenTrain AI is hiring an experienced Swift/iOS developer to review and QA Swift code used for AI model training; 30–40 hrs/week, 3–6 month contract, remote, USD $14/hr. Applicants must have 5+ years Swift experience and B2+ English (state your CEFR level).

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $14/hr

Posted Jun 18, 2024

Python AI Data Trainer, Coding & Debugging (20–40 hrs/wk)

Join OpenTrain AI as a Python Data Trainer to create and debug Python code that teaches models; 20–40 hours/week, 3–6 month contract at $8/hr. Ideal for Python developers with 2+ years' experience and strong English.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $8/hr

Posted Jun 18, 2024

Swift iOS Developer, LLM Training

Join OpenTrain AI to create coding prompts and model responses that teach LLMs to write and understand Swift; part-time contractor work (20+ hrs/week) at $12/hr. Requires strong Swift/iOS experience (2+ years) and excellent English.

Coding & Software
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $12/hr

Posted May 17, 2024

Classify People in Dashcam Images

Entry-level, part-time contract to label 100 dashcam images for presence of people; remote and worldwide, using Label Studio for a fixed price of $5.95.

Image & Video Annotation
Image
Remote · Worldwide
Part-time · Flexible
Entry level
Fixed price · $5.95

Posted May 4, 2024

What this work can involve

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.

  • Tasks follow detailed guidelines and often require careful attention to instructions and consistency.
  • Some postings list required languages or domain expertise; individual listings note whether Estonian language ability is necessary.
  • Work may involve assessing correctness, adding structured labels, or choosing best responses for model training.

How hiring works through OpenTrain

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.

  • Apply through OpenTrain; the individual posting is the source of role-specific requirements.
  • OpenTrain may place or refer successful candidates to a client for the project they support.
  • Check each posting for location rules, required qualifications, and any language or verification needs.

Frequently asked questions

What can this work involve?
AI-training and data-labeling work covers a variety of tasks that help teach and evaluate machine-learning systems. Examples include drawing bounding boxes on images, transcribing or labeling audio clips, classifying text, rating model-generated answers, translating content, and reviewing outputs for accuracy or policy compliance. The exact activities, the toolset you use, and the expected quality standards are described in each live posting, so consult the posting to understand what a specific role involves before applying.
Where can I find role-specific details?
Individual live postings are the authoritative source for eligibility, responsibilities, qualifications, experience, pay, hours, schedule, location rules, and any client-specific requirements. Candidates should inspect each OpenTrain posting closely to confirm whether they meet the listed requirements and to learn the full scope of work for that role. Do not assume details from one listing apply to another.
How does hiring work through OpenTrain?
Hiring for roles that accept applicants located in Estonia is managed through OpenTrain. Candidates apply through OpenTrain, which is the hiring organization for these public roles, and OpenTrain may place or refer successful candidates to the client whose project they support. Role-specific selection criteria, schedules, and compensation are published in each posting, so review those details on the individual listing.