Sigma AI

Madrid-headquartered global AI training-data services company. Powers 4 of the 5 largest global tech giants across 600+ languages and dialects.

AI Training AI Training Data / Data Annotation Services

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Madrid, Spain HQ

201-1000 company size

Open jobs at Sigma AI

84 jobs

Indonesian Translator (Remote) | Sigma AI

Language Data Full-time

Indonesia Jan 21, 2026

Bengali (India) Translator (Remote) | Sigma AI

Language Data Full-time

India Jan 21, 2026

Korean Translator (Remote) | Sigma AI

Language Data Full-time

South Korea Jan 21, 2026

Egyptian Arabic Translator (Remote) | Sigma AI

Language Data Full-time

Egypt Jan 21, 2026

Vietnamese Translator (Remote) | Sigma AI

Language Data Full-time

Vietnam Jan 21, 2026

Australian English Speakers (Remote)

Language Data Full-time

Australia Jan 15, 2026

Polish Linguist Expert (Remote) | Sigma AI

Language Data Full-time

Poland Jan 8, 2026

Polish Translator (Remote) | Sigma AI

Language Data Full-time

Poland Jan 8, 2026

Russian Translators (Remote) | Sigma AI

Language Data Full-time

Russia Dec 30, 2025

French Linguistic Projects (Remote)

Language Data Full-time

Remote (Global) Dec 16, 2025

Computational Linguist with Gen AI experience | Sigma AI

Language Data Full-time

Remote (Global) Dec 12, 2025

French Audio Collection Projects (Remote)

Language Data Full-time

Remote (Global) Dec 11, 2025

Japanese Audio Collection Projects (Remote)

Language Data Full-time

Japan Dec 10, 2025

German Audio Collection Projects (Remote)

Language Data Full-time

Germany Dec 10, 2025

Romanian Linguist Expert (Remote) | Sigma AI

Language Data Full-time

Romania Nov 28, 2025

Ukrainian Translator (Remote) | Sigma AI

Language Data Full-time

Ukraine Nov 28, 2025

Ukrainian Linguist Expert (Remote) | Sigma AI

Language Data Full-time

Ukraine Nov 28, 2025

Tamil Linguist Expert (Remote) | Sigma AI

Language Data Full-time

Remote (Global) Nov 28, 2025

Tamil Translator (Remote) | Sigma AI

Language Data Full-time

Remote (Global) Nov 28, 2025

Mandarin Chinese Linguist Expert (Remote) | Sigma AI

Language Data Full-time

Remote (Global) Nov 28, 2025