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

657 jobs

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

Project Lion - Lead Prompt Engineer - United States (Remote, Part-Time)

Bilingual LLM & Translation Freelance

United States Mar 16, 2026

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

Bilingual LLM & Translation Freelance

United States Mar 16, 2026

German Music Content Specialist in Spain (Remote)

AI Expert - Music & Audio Full-time

Spain Mar 13, 2026

Alpheratz Project - Hebrew (Israel) Translation Quality Rater

Response Rater Freelance

Israel Mar 13, 2026

Alpheratz Project - Hebrew (Israel) Translation Quality Reviewer

Translation & Localization Freelance

Israel Mar 13, 2026

AI Data Quality Specialist - English (Philippines)

Response Rater Freelance

Philippines Mar 10, 2026

Maps Visual Design Relevance Rater - English (US)

Response Rater Freelance

United States Mar 9, 2026

Project Lyra Mandarin Culture Expert

Bilingual LLM & Translation Freelance

Australia Feb 28, 2026

Language Content Reviewer – Swedish

Response Rater Full-time

Sweden Feb 27, 2026

Language Content Reviewer – Finnish

Response Rater Full-time

Finland Feb 27, 2026

Language Content Reviewer – Danish

Response Rater Full-time

Denmark Feb 27, 2026

Language Content Reviewer – Czech

Response Rater Full-time

Czech Republic Feb 27, 2026

Language Content Reviewer – Croatian (Croatia)

Response Rater Full-time

Croatia Feb 27, 2026

Maps Personalization Relevance Rater - English (India)

Response Rater Freelance

India Feb 19, 2026

Maps Personalization Relevance Rater - English (UK)

Response Rater Freelance

United Kingdom Feb 19, 2026

Ara Zeta Project - AI Safety Evaluator - Malay (Singapore)

Response Rater Freelance

Singapore Feb 19, 2026

Ara Zeta Project - AI Safety Evaluator - Tamil (Singapore)

Response Rater Freelance

Singapore Feb 19, 2026

Freelance Linguist-Telugu (India)

Bilingual LLM & Translation Full-time

India Feb 11, 2026