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

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84 jobs

Mandarin Chinese Translator (Remote) | Sigma AI

Language Data Full-time
Remote (Global) Nov 28, 2025
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Turkish Linguist Expert (Remote) | Sigma AI

Language Data Full-time
Turkey Nov 28, 2025
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Turkish Translator (Remote) | Sigma AI

Language Data Full-time
Turkey Nov 28, 2025
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Dutch Linguist Expert (Remote) | Sigma AI

Language Data Full-time
Netherlands Nov 28, 2025
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Dutch Translator (Remote) | Sigma AI

Language Data Full-time
Netherlands Nov 28, 2025
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Telugu Translator (Remote) | Sigma AI

Language Data Full-time
Remote (Global) Nov 28, 2025
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Telugu Linguist Expert (Remote) | Sigma AI

Language Data Full-time
Remote (Global) Nov 28, 2025
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French (Canada) Linguistic Projects (Remote)

Language Data Full-time
Canada Oct 23, 2025
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Ukrainian Linguistic Projects (Remote) -- Sigma AI

Language Data Full-time
Ukraine Sep 16, 2025
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Chinese (Hong Kong) Linguistic Projects (Remote)

Language Data Full-time
Hong Kong Sep 12, 2025
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Kansai dialect Linguistic Projects (Remote)

Language Data Full-time
Remote (Global) Apr 8, 2025
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American English Linguistic Projects (Remote)

Language Data Full-time
United States Apr 8, 2025
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Bengali (Bangladesh) Linguistic Projects (Remote)

Language Data Full-time
Bangladesh Apr 7, 2025
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Thai Linguistic Projects (Remote)

Language Data Full-time
Thailand Mar 27, 2025
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Spanish Linguistic Projects (Remote) - Sigma AI

Language Data Full-time
Remote (Global) Mar 27, 2025
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Indonesian Linguistic Projects (Remote)

Language Data Full-time
Indonesia Mar 27, 2025
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Bengali India Linguistic Projects (Remote)

Language Data Full-time
India Mar 27, 2025
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Vietnamese Linguistic Projects (Remote)

Language Data Full-time
Vietnam Mar 27, 2025
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Italian Linguistic Projects (Remote)

Language Data Full-time
Italy Mar 27, 2025
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Canadian English Linguistic Projects (Remote) -- Sigma AI

Language Data Full-time
Canada Mar 18, 2025
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