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

655 jobs

Cloud Infrastructure Engineer

AI Expert - Software Engineering Full-time

Mexico Jun 1, 2026

English (US) to French (Canada) Life Science (Pharmacovigilance) Translator

Bilingual LLM & Translation Full-time

Canada May 29, 2026

Lead Recruiter – Regulatory & Clinical (CRO/Pharma)

HR & People Operations Full-time

China, India, Japan May 28, 2026

Icelandic Language Speaker

Bilingual LLM & Translation Full-time

Iceland May 28, 2026

Portuguese (Brazil) Language Speaker - United States

Bilingual LLM & Translation Full-time

Brazil, United States May 28, 2026

Japan Language Speaker - Japan

Bilingual LLM & Translation Full-time

Japan May 28, 2026

Norwegian Language Speaker

Bilingual LLM & Translation Full-time

Norway May 28, 2026

Russian Language Speaker - Poland

Bilingual LLM & Translation Full-time

Russia, Poland May 28, 2026

Latvian (Latvia) Language Speaker

Bilingual LLM & Translation Full-time

Latvia May 28, 2026

English Language Speaker - United States

Bilingual LLM & Translation Full-time

United States May 28, 2026

French Patent Language Lead

Translation & Localization Full-time

Spain, Italy, United Kingdom, France May 26, 2026

Sheratan-Prompt Optimization Polish (Poland)

AI Prompt Engineer Freelance

Poland May 25, 2026

Sheratan-Prompt Optimization Italian (Italy)

AI Prompt Engineer Freelance

Italy May 25, 2026

Sheratan-Prompt Optimization Dutch (Netherlands)

AI Prompt Engineer Freelance

Netherlands May 25, 2026

Sheratan-Prompt Optimization Spanish (Spain)

AI Prompt Engineer Freelance

Spain May 25, 2026

Sheratan-Prompt Optimization French (France)

AI Prompt Engineer Freelance

France May 25, 2026

Prompt Optimization Portuguese (Portugal)

Response Rater Full-time

Portugal May 25, 2026

Prompt Optimization Slovak (Slovakia)

Response Rater Full-time

Slovakia May 25, 2026

Prompt Optimization Korean (Korea)

Response Rater Full-time

South Korea May 25, 2026

Prompt Optimization Lithuanian (Lithuania)

Response Rater Full-time

Lithuania May 25, 2026