Welo Data

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

AI Training AI Data Services

Visit Welo Data

★ ★ ★ ★ ★ New (0 reviews)

New York, USA HQ

1000+ company size

2023 founded

Open jobs at Welo Data

657 jobs

Life Sciences German Linguist

Bilingual LLM & Translation Full-time

Spain, United Kingdom, Italy, France, Germany Apr 17, 2026

Quality Analytics Lead

Response Rater Full-time

United States Apr 10, 2026

English into Korean Medical Translators/Regulatory adaptation (Remote)

Bilingual LLM & Translation Full-time

South Korea, China Apr 10, 2026

Lead Recruiter – Regulatory & Clinical (CRO/Pharma)

HR & People Operations Full-time

Spain, Greece, Romania Apr 6, 2026

Kazakh Localization QA Tester / Proofreader

Bilingual LLM & Translation Full-time

Spain, Romania, Greece, Italy, France, Germany, United Kingdom, Ireland Apr 1, 2026

AI Data Quality Specialist – English (Philippines)

Response Rater Contract

Philippines $4.5 – $4.5/hr Apr 1, 2026

Search Quality Rater (English – US)

Response Rater Part-time

United States $10 – $10/hr Apr 1, 2026

Hindi (India) Quality Control Specialist - Project Lyra

Response Rater Freelance

India Mar 31, 2026

Junior Irish Translator

Bilingual LLM & Translation Full-time

Ireland, Spain, Italy, Germany, France, Greece, Romania, United Kingdom Mar 27, 2026

Corsican Product Marketing Linguist

Bilingual LLM & Translation Full-time

France, Europe Mar 26, 2026

Ara Zeta Project - AI Safety Evaluator - Korean (Korea)

Response Rater Freelance

South Korea Mar 25, 2026

Project Lyra Dutch Culture Expert

Bilingual LLM & Translation Freelance

Netherlands, Belgium, Canada, France, Spain, Germany, Italy, United Kingdom Mar 24, 2026

Project Lyra Marathi Culture Expert

Bilingual LLM & Translation Freelance

India Mar 24, 2026

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

Bilingual LLM & Translation Full-time

United States Mar 18, 2026

Freelance Senior Linguist-Marketing & Life Sciences-Marathi (India)

Bilingual LLM & Translation Full-time

India Mar 16, 2026

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

Bilingual LLM & Translation Freelance

Portugal Mar 16, 2026

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

Bilingual LLM & Translation Freelance

Netherlands Mar 16, 2026

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

Bilingual LLM & Translation Freelance

Japan Mar 16, 2026

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

Bilingual LLM & Translation Freelance

Italy Mar 16, 2026

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

Bilingual LLM & Translation Freelance

Spain Mar 16, 2026