Skip to content
OpenTrain AIFor AI Companies

Remote AI training and data labeling jobs in Estonia

Find remote AI training and data labeling jobs open to applicants in Estonia.

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

Senior AI Trainer, Video Annotation

Help train next-generation AI by reviewing robotic-arm footage, marking frame-accurate events, and evaluating video data. This remote contractor role pays $50-$90 per hour and is expected to run for 6+ months.

Image & Video Annotation
Video
Remote · Worldwide
Flexible hours
Expert level
Hourly · $50–$90/hr

Posted Sep 13, 2026

FreeCAD Expert AI Training Contractor

Help improve AI systems by creating precise, verifiable question-and-answer sets from complex FreeCAD assemblies. This remote expert contract offers flexible work under 20 hours per week at $40 to $80 per hour.

Writing & Editing
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Expert level
Hourly · $40–$80/hr

Posted Sep 12, 2026

Legal AI Task Pod Lead

Lead a 16 to 20 person pod while creating and evaluating complex legal AI training tasks. This six-week remote contract calls for senior legal expertise, coaching, and rigorous quality assurance.

Legal & Finance
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level

Posted Sep 12, 2026

Legal AI Task Evaluation Lead

Lead the evaluation and refinement of high-difficulty legal AI tasks, guiding Pod Leaders and upholding professional standards. This remote, six-week contract offers 20+ hours per week with potential for extension.

Legal & Finance
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level

Posted Sep 12, 2026

Marketing Content AI Training Expert

Use your marketing content expertise to write, review, and evaluate material that helps improve AI systems. Work remotely on structured contractor tasks with OpenTrain.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level

Posted Sep 12, 2026

Software Engineer AI Response Evaluator

Use your software engineering and technical communication expertise to evaluate AI-generated answers for correctness, clarity, and usefulness. This remote contractor role pays $90-$140 per hour and requires 20+ hours weekly.

Coding & Software
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $90–$140/hr

Posted Sep 12, 2026

Product Documentation AI Evaluation Specialist

Use your product management and documentation expertise to evaluate AI-generated specifications, release notes, and stakeholder content. This remote contract offers flexible work at $90-$140 per hour.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $90–$140/hr

Posted Sep 12, 2026

AMO Physics AI Training Expert

Use advanced AMO physics expertise to evaluate AI reasoning about atomic polarizability, ytterbium isotopes, and spectral transitions. This worldwide contractor role offers flexible work under 20 hours per week at $100-$200 per hour.

Generative AI & RLHF
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $100–$200/hr

Posted Sep 12, 2026

Cantonese Language Evaluator

Use your native Cantonese expertise to evaluate text, speech, and AI model outputs in a flexible worldwide project paying $30-$40 per hour. Apply through OpenTrain and help improve Cantonese language technology.

Translation & Localization
Document
Remote · Worldwide
Cantonese
Part-time · Flexible
Entry level
Hourly · $30–$40/hr

Posted Sep 12, 2026

Corporate FP&A Planning and Forecasting Expert

Use your FP&A expertise to build budgets, reforecasts, reporting packs, and headcount and capital expenditure plans for AI training. This worldwide, part-time contractor role pays $100 per hour.

Legal & Finance
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $100/hr

Posted Sep 12, 2026

Industrial Design CAD Question Writer

Create precise AI training questions and answers from complex FreeCAD assemblies. This flexible remote contractor role offers $40-$80 per hour and requires strong CAD and mechanical, aerospace, or industrial design knowledge.

General Annotation
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $40–$80/hr

Posted Sep 11, 2026

FreeCAD Engineering Question Author

Create precise, verifiable questions and answers from complex FreeCAD assemblies for next-generation AI systems. This worldwide, part-time contract role pays $40-$80 per hour and requires strong mechanical CAD expertise.

Generative AI & RLHF
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $40–$80/hr

Posted Sep 11, 2026

Aerospace CAD Question Authoring Expert

Use aerospace CAD expertise to create precise questions and evidence-based answers from complex FreeCAD assemblies. This remote contractor role offers $40-$80 per hour and 20+ hours weekly.

Writing & Editing
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $40–$80/hr

Posted Sep 11, 2026

Machine Learning Engineering Evaluator

Evaluate demanding machine learning engineering tasks involving models, training systems, inference, Python, and performance optimization. Work remotely worldwide for approximately 15 hours per week at $100-$150 per hour.

Coding & Software
Computer Code Programming
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $100–$150/hr

Posted Sep 11, 2026

Mechanical Assembly CAD AI Training Expert

Use your mechanical engineering and CAD expertise to review native FreeCAD assemblies and create precise technical question-and-answer sets for AI training. Work remotely on a flexible, part-time contract with OpenTrain at $40 to $80 per hour.

Generative AI & RLHF
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $40–$80/hr

Posted Sep 11, 2026

Coding Puzzle Solver for AI Evaluation

Solve algorithmic, debugging, and technical reasoning challenges while evaluating AI-generated code. This flexible global contractor role offers approximately 15 hours per week and compensation listed at $50-$80 per hour.

Coding & Software
Computer Code Programming
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $50–$80/hr

Posted Sep 11, 2026

CRM Operations Specialist for AI Training

Use your CRM and sales operations expertise to evaluate AI workflows, annotate business data, and improve automation logic. This remote contractor project runs approximately 3 to 6 months and pays $28 to $92 per hour.

Generative AI & RLHF
Text
Remote · Worldwide
English
Flexible hours
Expert level
Hourly · $28–$92/hr

Posted Sep 11, 2026

Aerospace Flight-Dynamics Simulation Engineer

Use advanced aerospace expertise to author, validate, and review flight-dynamics simulation tasks for AI training. This 5-week contractor assignment offers worldwide, flexible work with 40 hours per week and PST overlap.

General Annotation
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level

Posted Sep 11, 2026

DevOps Engineer, GPU And LLM Infrastructure

Work remotely as a contractor building GPU infrastructure and production LLM serving systems on Google Cloud. Join OpenTrain’s growing AI-training ecosystem and apply your DevOps expertise to cutting-edge model deployment.

Coding & Software
Computer Code Programming
Remote · Worldwide
English
Part-time · Flexible
Entry level

Posted Sep 11, 2026

Senior AI Trainer, Robotic Video Annotation

Review robotic-arm footage, segment key actions with frame-accurate timestamps, and help improve machine learning systems. This remote contractor role pays $50-$90 per hour and is expected to run for 6+ months.

Image & Video Annotation
Video
Remote · Worldwide
English
Flexible hours
Intermediate level
Hourly · $50–$90/hr

Posted Sep 11, 2026

Senior AI Trainer for Robotic Video Annotation

Help improve next-generation AI by reviewing robotic-arm footage, identifying actions, and creating precise time-based annotations. This remote contractor role pays $50-$90 per hour and is expected to run for 6+ months.

Image & Video Annotation
Video
Remote · Worldwide
Flexible hours
Intermediate level
Hourly · $50–$90/hr

Posted Sep 11, 2026

Corporate Development M&A Transaction Specialist

Use hands-on corporate development and M&A expertise to build valuation models, evaluate transaction terms, and produce board-ready work products. This remote contract offers approximately 15 hours per week at $100 per hour.

Legal & Finance
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $100/hr

Posted Sep 11, 2026

AI Facial Data Collection Associate

Help train facial AI from home by submitting 30 unedited selfies and 10 short videos captured over the past five years. This remote contractor project is open to candidates aged 50 and older and is expected to last under one month.

Data Collection
Image
Remote · Worldwide
English
Flexible hours
Entry level
Fixed price · $140

Posted Sep 11, 2026

Vietnamese-English LLM Analyst

Help improve language models through Vietnamese-English analysis, written evaluations, research, and logic-based review. This flexible remote contract offers 20+ hours per week for careful bilingual communicators.

Generative AI & RLHF
Text
Remote · Worldwide
Vietnamese, English
Part-time · Flexible
Entry level

Posted Sep 11, 2026

Turkish AI Content Reviewer

Help improve large language models by reviewing Turkish and English content, validating claims, answering analytical questions, and writing detailed feedback. This entry-level remote contract requires 20+ hours per week.

Generative AI & RLHF
Text
Remote · Worldwide
Turkish, English
Part-time · Flexible
Entry level

Posted Sep 11, 2026

Norwegian Multilingual LLM Data Analyst

Use English and Norwegian to analyze reasoning problems, research claims, create scenarios, and give detailed feedback that helps improve large language models. This remote, 20+ hour freelance assignment is open to entry-level applicants.

Generative AI & RLHF
Text
Remote · Worldwide
Norwegian, English
Part-time · Flexible
Entry level

Posted Sep 11, 2026

Japanese AI Language Model Analyst

Review Japanese and English text, solve analytical and logic tasks, and provide clear feedback that helps improve AI language models. Work remotely as an entry-level contractor for 20+ hours per week.

Generative AI & RLHF
Text
Remote · Worldwide
Japanese, English
Part-time · Flexible
Entry level

Posted Sep 11, 2026

French Multilingual LLM Data Analyst

Use French and English to research claims, evaluate LLM responses, and create challenging reasoning examples for AI training. This entry-level, remote contract role requires 20+ hours per week.

Generative AI & RLHF
Text
Remote · Worldwide
French, English
Part-time · Flexible
Entry level

Posted Sep 11, 2026

Spanish AI Content Analyst

Use English and Spanish to evaluate large language model content, research claims, solve reasoning problems, and write detailed feedback. This remote, short-term contractor assignment requires 20+ hours per week.

Generative AI & RLHF
Text
Remote · Worldwide
Spanish, English
Part-time · Flexible
Entry level

Posted Sep 11, 2026

Full Stack AI Training Developer

Join OpenTrain as a full-stack AI training developer building web applications, training tasks, and evaluation workflows. This worldwide, part-time contractor role requires 20+ hours per week and strong React, Node.js, and database experience.

Coding & Software
Computer Code Programming
Remote · Worldwide
English
Part-time · Flexible
Intermediate level

Posted Sep 11, 2026

What this work can involve

AI training and data labeling work turns human judgment into examples that AI systems can use or be evaluated against. Depending on the individual role, tasks may include labeling images or video, transcribing or recording audio, writing or rating model responses, evaluating search results, translating text, reviewing code, or applying subject-matter knowledge. For applicants located in Estonia, the individual posting determines whether the role is open to them and what the work involves.

  • Review the posting for its exact responsibilities and required qualifications.
  • Check the individual listing for location eligibility and any client-specific requirements.

How hiring works through OpenTrain

OpenTrain is the hiring organization for these opportunities. Candidates apply through OpenTrain, and OpenTrain may place or refer successful candidates to the client whose project they will support. The live posting provides the authoritative information for that specific opportunity, including its eligibility and other requirements.

  • Apply through OpenTrain when an individual role matches your location and interests.
  • Use the live posting to understand the requirements for that particular opportunity.

Frequently asked questions

What can this work involve?
Remote AI training and data labeling work open to applicants located in Estonia can involve preparing or reviewing examples for artificial-intelligence systems. Depending on the posting, this may include image or video annotation, audio transcription or recording, response writing or rating, search-result evaluation, translation, code review, or subject-matter tasks. The individual live posting defines the actual responsibilities.
Where can I find role-specific details?
Find role-specific details in the individual live posting. That listing is the source of truth for eligibility, responsibilities, qualifications, experience, pay, hours, schedule, location rules, and client-specific requirements. Do not assume that details from one opportunity apply to another.
How does hiring work through OpenTrain?
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. Check each individual live posting for the opportunity's specific eligibility, responsibilities, and requirements.