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

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655 jobs

Prompt Creator English (United States)

Response Rater Full-time

United States May 25, 2026

Prompt Optimization Dutch (Netherlands)

Response Rater Full-time

Netherlands May 25, 2026

Prompt Optimization Japanese (Japan)

Response Rater Full-time

Japan May 25, 2026

Prompt Optimization Romanian (Romania)

Response Rater Full-time

Romania May 25, 2026

Arabic Language Speaker– Saudi Arabia | Remote

Bilingual LLM & Translation Freelance

Saudi Arabia May 25, 2026

Prompt Optimization Tagalog (Philippines)

Response Rater Full-time

Philippines May 25, 2026

Prompt Optimization Slovenian (Slovenia)

Response Rater Full-time

Slovenia May 25, 2026

Prompt Optimization Malaysian (Malaysia)

Response Rater Full-time

Malaysia May 25, 2026

Prompt Optimization Russian (Poland)

Response Rater Full-time

Russia, Poland May 25, 2026

Prompt Optimization Swedish (Sweden)

Response Rater Full-time

Sweden May 25, 2026

Apus: Audio Transcription Verifier Spanish (Colombia)

Transcription & Audio Training Freelance

Colombia May 22, 2026

Apus: Audio Transcription Verifier Turkish (Türkiye)

Transcription & Audio Training Freelance

Turkey May 22, 2026

Apus: Audio Transcription Verifier Swedish (Sweden)

Transcription & Audio Training Freelance

Sweden May 22, 2026

Apus: Audio Transcription Verifier Polish (Poland)

Transcription & Audio Training Freelance

Poland May 22, 2026

Apus: Audio Transcription Verifier Portuguese (Portugal)

Transcription & Audio Training Freelance

Portugal May 22, 2026

Apus: Audio Transcription Verifier German (Switzerland)

Transcription & Audio Training Freelance

Switzerland May 22, 2026

Apus - Audio Transcription Verifier German (Luxembourg)

Transcription & Audio Training Freelance

Luxembourg May 22, 2026

Senior Project Manager - Generative AI Data Operations

Product & Project Management Full-time

India May 22, 2026

German into Japanese Patent Translators

Bilingual LLM & Translation Full-time

Germany, Japan May 21, 2026

French into English Patent Freelance Translator

Bilingual LLM & Translation Full-time

United States, Canada, Europe, France, Germany May 21, 2026