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Remote AI training and data labeling jobs in Greece

Located in Greece and exploring AI-training or data-labeling work? OpenTrain is the hiring organization for these roles, candidates apply through OpenTrain, and OpenTrain may place or refer successful candidates to the client whose project they support. These listings accept applicants located in Greece and involve tasks used to teach and evaluate machine-learning systems; inspect each live posting for the specific eligibility, hours, pay, qualifications, and any client requirements that apply.

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

Vietnamese Music AI Evaluation Specialist

Review and annotate Vietnamese AI-generated music—judge lyrics, vocal quality, musicality, creativity, and production, and tag songs with genre, structure, and performance features. Remote contractor role for experienced music producers or audio engineers, 20+ hrs/week, USD $13.01–$23.43/hr; Vietnam

Audio & Speech
Audio
Remote · Worldwide
Vietnamese, English
Part-time · Flexible
Expert level
Hourly · $13.01–$23.43/hr

Posted Jul 13, 2026

Thai Music AI Model Evaluator

Evaluate AI-generated Thai music—lyrics, vocals, and full mixes—on a flexible part-time contract. Intermediate role (20+ hrs/week) paying $13.01–$23.43/hr; native or near-native Thai and English required.

Audio & Speech
Audio
Remote · Worldwide
Thai, English
Part-time · Flexible
Intermediate level
Hourly · $13.01–$23.43/hr

Posted Jul 13, 2026

AI Safety Red Teamer (English & Odia)

Join OpenTrain as an AI Safety Red Teamer testing conversational models with jailbreaks, prompt injections, and adversarial attacks. This contract, remote role pays $20–$22/hr, requires native English and Odia, and expects 20+ hours/week.

Generative AI & RLHF
Text
Remote · Worldwide
English, Odia
Part-time · Flexible
Expert level
Hourly · $20–$22/hr

Posted Jul 13, 2026

Odia AI Response Evaluator

Join OpenTrain AI to evaluate Odia-language model responses and write clear English evaluations that improve LLM behavior. Part-time contractor role (20+ hrs/week), $15–$20/hr — native Odia fluency and strong English writing required.

Generative AI & RLHF
Text
Remote · Worldwide
Odia, English
Part-time · Flexible
Intermediate level
Hourly · $15–$20/hr

Posted Jul 13, 2026

Telugu AI Response Evaluator

Join OpenTrain AI to evaluate Telugu AI-generated responses and write clear English assessment notes that improve model behavior; remote contract, 20+ hrs/week, $15–$20/hr. Ideal for native Telugu speakers with strong English writing and LLM experience.

Generative AI & RLHF
Text
Remote · Worldwide
Telugu, English
Part-time · Flexible
Intermediate level
Hourly · $15–$20/hr

Posted Jul 13, 2026

Urdu AI Response Evaluator (Remote, $15–$20/hr)

Evaluate Urdu AI-generated responses for factual accuracy, clarity, tone, and reasoning, and write clear English analyses that guide model improvement. Remote contractor role, 20+ hours/week, $15–$20 per hour.

Generative AI & RLHF
Text
Remote · Worldwide
Urdu, English
Part-time · Flexible
Intermediate level
Hourly · $15–$20/hr

Posted Jul 13, 2026

Bengali AI Response Evaluator

Join OpenTrain as a remote Bengali AI Response Evaluator to review and rate Bengali LLM outputs, provide detailed English feedback, and help improve model behavior; part-time contract work, flexible hours, $15–$20/hr.

Generative AI & RLHF
Text
Remote · Worldwide
Bangla, English
Part-time · Flexible
Entry level
Hourly · $15–$20/hr

Posted Jul 13, 2026

Marketing Work Evaluation Expert

Join OpenTrain to design rubrics and score AI-generated and human marketing deliverables—creative briefs, campaign concepts, brand frameworks, ad copy and presentations—remotely as a contractor. Flexible part-time work paying $80–$150/hr with a default 40 hr/week commitment.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $80–$150/hr

Posted Jul 13, 2026

Accounting Evaluation Specialist

Evaluate AI-generated and human accounting deliverables—score reconciliations, financial statements, disclosures, workpapers and technical memos with clear, evidence-based justifications. Expert US GAAP and audit experience required; contract, part-time, remote, 20+ hrs/week, $130–$160/hr.

Legal & Finance
Document
Remote · Worldwide
English
Part-time · Flexible
Expert level
Hourly · $130–$160/hr

Posted Jul 13, 2026

Robotic Surgery Video Data Annotator

Annotate robotic surgery video in Supervisely for a part-time, fully remote contractor role applying segmentation, bounding boxes, keypoints, and object tracking; strong attention to detail and medical familiarity required. Pay range $15–$32/hr (hourly rate listed $22/hr); expect ~20+ hrs/week.

Medical & Health
Video
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$32/hr

Posted Jul 12, 2026

Software Engineering AI Training Expert

Join OpenTrain AI as a part-time contractor building reinforcement-learning environments that teach models to fix, refactor, and optimize real code; flexible remote work up to $150/hr, under 20 hours/week.

Coding & Software
Computer Code Programming
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $50–$150/hr

Posted Jul 12, 2026

Data Annotation Generalist (Text Classification)

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).

General Annotation
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $30–$80/hr

Posted Jul 11, 2026

Video Annotation AI Trainer, Remote Part-Time

Join OpenTrain AI as a Video Annotation AI Trainer to label short video clips for model training—work remotely 20+ hours/week and earn $40–$80 per hour while building a verifiable portfolio in a fast-growing field.

Image & Video Annotation
Video
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $40–$80/hr

Posted Jul 11, 2026

Competitive Programming Contest Coder

Join OpenTrain to implement C++ checker solutions during a live competitive programming contest — $45–$65/hr, 20+ hrs/week, one-time live participation with estimated project earnings of $7,200–$10,400. Remote, contractor-friendly role for skilled C++ competitive programmers.

Coding & Software
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $45–$65/hr

Posted Jul 11, 2026

Architect CAD and Construction Documentation Reviewer

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.

General Annotation
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $40–$50/hr

Posted Jul 11, 2026

Video Annotation Specialist - Event Classification & Timestamps

Label short video clips for event classification and precise timestamping in a flexible, remote contractor role. Work 20+ hours/week with pay from $40–$80/hr, using strong attention to detail and English to produce high-quality training data.

Image & Video Annotation
Video
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $40–$80/hr

Posted Jul 11, 2026

Competitive Programming Checker Developer

Build C++ checkers and test suites that validate complex competitive-programming submissions for next-generation AI training. Remote, contract role for strong competitive programmers who can design problems, write reference solutions, and document edge-case logic.

Coding & Software
Computer Code Programming
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $45–$65/hr

Posted Jul 11, 2026

Competitive Programming RL Environment Developer

Design RL environments that test AI models on original competitive programming problems by building C++ checkers, reference solutions, and robust test suites. Remote, part-time contractor role (20+ hrs/week) paying $45–$65/hr for English speakers worldwide.

Coding & Software
Computer Code Programming
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $45–$65/hr

Posted Jul 11, 2026

Video AI Training Specialist (Remote Contract)

Join OpenTrain as a Video AI Training Specialist to analyze, annotate, and evaluate video data that helps shape next-gen AI. Remote, contract role paying $65–$80/hr for 20+ hours/week; no prior AI experience required if you have professional video production skills.

Image & Video Annotation
Video
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $65–$80/hr

Posted Jul 11, 2026

Gujarati AI Response Evaluator (Remote, Part-Time)

Use your native Gujarati and LLM experience to evaluate AI responses and write clear English feedback that improves model behavior. Remote contractor role, 20+ hours/week, $15–$20/hr.

Generative AI & RLHF
Text
Remote · Worldwide
Gujarati, English
Part-time · Flexible
Intermediate level
Hourly · $15–$20/hr

Posted Jul 10, 2026

Japanese Music AI Evaluation Expert

Join OpenTrain to evaluate AI-generated Japanese music—lyrics, vocal quality, and production—by rating and annotating samples with a detailed musical taxonomy. Remote contractor role, bilingual Japanese/English required, expected 20+ hrs/week and competitive hourly pay.

Audio & Speech
Audio
Remote · Worldwide
Japanese, English
Part-time · Flexible
Intermediate level
Hourly · $34.72–$62.49/hr

Posted Jul 10, 2026

Assamese AI Response Evaluator (Remote Contract)

OpenTrain AI is hiring Assamese evaluators to review model responses for accuracy, reasoning, clarity, tone and completeness — remote contract, 20+ hrs/week, $15–$20/hr. Native Assamese and strong English writing required.

Generative AI & RLHF
Text
Remote · Worldwide
Assamese, English
Part-time · Flexible
Entry level
Hourly · $15–$20/hr

Posted Jul 10, 2026

Kannada AI Response Evaluator

Join OpenTrain as a remote, part-time Kannada evaluator reviewing AI-generated Kannada responses for factual accuracy, reasoning, tone, and guideline adherence. Flexible schedule, 20+ hrs/week, $15–$20/hr — native Kannada and strong written English required.

Generative AI & RLHF
Text
Remote · Worldwide
Kannada, English
Part-time · Flexible
Entry level
Hourly · $15–$20/hr

Posted Jul 10, 2026

French Voice Actor for TTS Recording

Record high-quality French voice samples to train and evaluate text-to-speech systems; contractor, remote work at $50/hr. Native or native-level French speakers with voice-acting experience and a pro recording setup are encouraged to apply for a 20+ hrs/week role.

Audio & Speech
Audio
Remote · Worldwide
French
Part-time · Flexible
Entry level
Hourly · $50/hr

Posted Jul 10, 2026

French Music AI Model Evaluator

Evaluate AI-generated French-language music for lyrics, vocal quality, musicality, production, and structured song annotations; part-time contract role paying $30–$60.48/hr with immediate start and a typical commitment of 20+ hours/week.

Generative AI & RLHF
Audio
Remote · Worldwide
French, English
Part-time · Flexible
Expert level
Hourly · $30–$60.48/hr

Posted Jul 10, 2026

Building Code and Permitting Specialist

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.

General Annotation
Document
Remote · Worldwide
English
Part-time · Flexible
Expert level
Hourly · $65–$90/hr

Posted Jul 10, 2026

Marathi AI Response Evaluator

Evaluate Marathi AI-generated responses and write clear English evaluation notes to improve model outputs. Remote contract role, 20+ hrs/week, $15–$20 USD/hour — ideal for Marathi natives with LLM experience and strong analytical writing.

Generative AI & RLHF
Text
Remote · Worldwide
Marathi, English
Part-time · Flexible
Expert level
Hourly · $15–$20/hr

Posted Jul 10, 2026

Malayalam AI Response Evaluator

OpenTrain AI is hiring a Malayalam-speaking evaluator to review AI-generated Malayalam responses for accuracy, reasoning, clarity, tone, and completeness, then write clear English assessments. Contract, remote, 20+ hrs/week, $15–$20/hr.

Generative AI & RLHF
Text
Remote · Worldwide
Malayalam, English
Part-time · Flexible
Entry level
Hourly · $15–$20/hr

Posted Jul 10, 2026

Network Data Annotation Engineer

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.

General Annotation
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $50–$70/hr

Posted Jul 10, 2026

Spanish (MX) Music Audio Reviewer

Evaluate AI-generated Spanish (MX) music by rating musicality, lyrics, vocals, and production while annotating genre, song structure, and vocal/instrumental traits. Remote, part-time contract paying $13.01–$54/hr for up to 6 months with a 20+ hour weekly commitment.

Audio & Speech
Audio
Remote · Worldwide
Spanish, English
Part-time · Flexible
Entry level
Hourly · $13.01–$54/hr

Posted Jul 10, 2026

What this work can involve

Work open to applicants located in Greece can cover a range of tasks used in AI development and evaluation. Tasks can include creating labeled data for images or video, transcribing or reviewing audio, rating model responses, checking search or recommendation outputs, localizing or translating content, and applying subject knowledge to judge correctness. Exact duties and definitions of acceptable work are set in each individual posting.

  • Annotating images, video, or text to produce structured training data.
  • Transcribing, validating, or labeling audio and speech content.
  • Rating or evaluating model outputs, translations, or search results.

How hiring works through OpenTrain

OpenTrain is the hiring organization for roles that accept applicants located in Greece, and candidates apply through OpenTrain; OpenTrain may place or refer successful candidates to the client whose project they support. Every live posting is the authoritative source for role-specific eligibility, qualifications, hours, pay, schedule, and any client rules.

  • You apply through OpenTrain; consult each posting for the exact requirements.
  • OpenTrain hires and may place or refer successful candidates to the client project.

Frequently asked questions

What can this work involve?
AI-training and data-labeling work for applicants located in Greece can involve hands-on tasks that produce or evaluate examples used by machine-learning systems. Examples include drawing bounding boxes or segmentation masks on images, tagging text for sentiment or intent, transcribing spoken audio, rating generated responses against guidelines, and reviewing search or recommendation outputs for relevance. Each posting defines the exact task set and the expected deliverables, so review the live listing to see what a specific role requires.
Where can I find role-specific details?
The individual live posting is the only source of truth for role-specific details. Each listing will state eligibility, responsibilities, required qualifications, experience expectations, pay, hours, schedule, and any location or client rules that apply; read the posting carefully before applying to confirm you meet the listed requirements.
How does hiring work through OpenTrain?
OpenTrain is the hiring organization for the roles that accept applicants located in Greece, and candidates apply through OpenTrain. OpenTrain may place or refer successful candidates to the client whose project they will support. For everything else about how a particular role is run or what it requires, refer to the individual live posting.