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Sigma AI

Remote Jobs

Better human data annotation. Smarter AI.

17 open rolesTeam 501,1000Since 2008H1B No SponsorLatest: Jun 11, 2026, 1:42 PM UTCCompany SiteLinkedIn
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17 Jobs

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Indian English Linguistic Project

Sigma AI

Better human data annotation. Smarter AI.

Full TimeRemoteSeniorTeam 501-1,000Since 2008H1B No Sponsor

• Annotation - Audio/Video/Image/Sentence/Word validation. • Categorization, Conversational interactions. • Content creation. • Correction. • Evaluation. • Localization.

India
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Portuguese Linguistic Project

Sigma AI

Better human data annotation. Smarter AI.

Full TimeRemoteSeniorTeam 501-1,000Since 2008H1B No Sponsor

• Annotation — audio, video, image, sentence, and word validation • Categorization and conversational interaction labeling • Content creation • Correction and revision • Evaluation • Localization

Portugal
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Indonesian Linguistic Project

Sigma AI

Better human data annotation. Smarter AI.

Full TimeRemoteSeniorTeam 501-1,000Since 2008H1B No Sponsor

• Annotation - Audio/Video/Image/Sentence/Word validation • Categorization, Conversational interactions • Content creation • Correction • Evaluation • Localization

Indonesia
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Korean Linguistic Project

Sigma AI

Better human data annotation. Smarter AI.

Full TimeRemoteSeniorTeam 501-1,000Since 2008H1B No Sponsor

• Annotation - Audio/Video/Image/Sentence/Word validation • Categorization, Conversational interactions • Content creation • Correction • Evaluation • Localization

South Korea
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Polish Translator

Sigma AI

Better human data annotation. Smarter AI.

Translator40 days ago
ContractRemoteSeniorTeam 501-1,000Since 2008H1B No Sponsor

• Annotation - Audio/Video/Image/Sentence/Word validation • Categorization, Conversational interactions • Content creation • Correction • Evaluation • Localization

Poland
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Polish Linguist Expert

Sigma AI

Better human data annotation. Smarter AI.

Full TimeRemoteSeniorTeam 501-1,000Since 2008H1B No Sponsor

• Annotation - Audio/Video/Image/Sentence/Word validation • Categorization, Conversational interactions • Content creation • Correction • Evaluation • Localization

Poland
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Russian Translator

Sigma AI

Better human data annotation. Smarter AI.

Translator40 days ago
Full TimeRemoteSeniorTeam 501-1,000Since 2008H1B No Sponsor

• Annotation - Audio/Video/Image/Sentence/Word validation • Categorization, Conversational interactions • Content creation • Correction • Evaluation • Localization

Poland
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Vietnamese Translator

Sigma AI

Better human data annotation. Smarter AI.

Translator40 days ago
Full TimeRemoteSeniorTeam 501-1,000Since 2008H1B No Sponsor

• Annotation - Audio/Video/Image/Sentence/Word validation • Categorization • Conversational interactions • Content creation • Correction • Evaluation • Localization

Vietnam
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Korean Translator

Sigma AI

Better human data annotation. Smarter AI.

Translator40 days ago
Full TimeRemoteSeniorTeam 501-1,000Since 2008H1B No Sponsor

• Annotation - Audio/Video/Image/Sentence/Word validation • Categorization, Conversational interactions • Content creation • Correction • Evaluation • Localization

South Korea
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Egyptian Arabic Translator

Sigma AI

Better human data annotation. Smarter AI.

Translator40 days ago
Full TimeRemoteSeniorTeam 501-1,000Since 2008H1B No Sponsor

• Annotation - Audio/Video/Image/Sentence/Word validation • Categorization • Conversational interactions • Content creation • Correction • Evaluation • Localization

Egypt

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