Welo Data

Welocalize's AI data brand with 500,000+ experts across 100+ countries, offering annotation, RLHF, and LLM fine-tuning services.

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New York, USA HQ

1000+ company size

2023 founded

Open jobs at Welo Data

437 jobs

Project Lion - Senior Prompt Engineer - Spain (Remote, Part-Time)

Bilingual LLM & Translation Freelance

Spain Mar 16, 2026

Project Lion - Senior Prompt Engineer - France (Remote, Part-Time)

Bilingual LLM & Translation Freelance

France Mar 16, 2026

Project Lion - Senior Prompt Engineer - Germany (Remote, Part-Time)

Bilingual LLM & Translation Freelance

Germany Mar 16, 2026

AI Data Quality Specialist - English (Philippines)

Response Rater Freelance

Philippines $4.50/hr Mar 10, 2026

Maps Visual Design Relevance Rater - English (US)

Response Rater Freelance

United States $29/hr Mar 9, 2026

Project Lyra Mandarin Culture Expert

Bilingual LLM & Translation Freelance

Australia $10 – $20/hr Feb 28, 2026

Language Content Reviewer – Swedish

Response Rater Full-time

Sweden $45/hr Feb 27, 2026

Language Content Reviewer – Finnish

Response Rater Full-time

Finland $35/hr Feb 27, 2026

Language Content Reviewer – Danish

Response Rater Full-time

Denmark $36.50/hr Feb 27, 2026

Language Content Reviewer – Czech

Response Rater Full-time

Czech Republic $23.50/hr Feb 27, 2026

Language Content Reviewer – Croatian (Croatia)

Response Rater Full-time

Croatia $15/hr Feb 27, 2026

Maps Personalization Relevance Rater - English (India)

Response Rater Freelance

India $3.30/hr Feb 19, 2026

Senior Linguist for Life Sciences - Simplified Chinese

Translator Full-time

China Feb 2, 2026

Maps Personalization Relevance Rater - English (US)

Response Rater Freelance

United States $20.30/hr Jan 30, 2026

English to Spanish (Latin America) Linguists for Patent

Translator Contract

Mexico, Brazil, Chile Dec 31, 2025

Audio Recording Project - Cantonese (Hong Kong)

Audio Annotation Freelance

Hong Kong $18/hr Nov 25, 2025

Audio Recording Project - Mandarin/Guoyu (Taiwan)

Audio Annotation Freelance

Taiwan $15/hr Nov 25, 2025

English to Malagasy Language Lead for Marketing, Freelance (Madagascar)

Translation & Localization Freelance

Remote (Global) Oct 29, 2025

Traditional Chinese (Taiwan) Content Reviewer

Response Rater Freelance

Taiwan $24/hr Oct 29, 2025

AI Trainers Network - Persian

Response Rater Full-time

Afghanistan Aug 13, 2025