Sigma AI
AI data services — annotation, linguistic, audio collection & translation contributor projects, 700+ languages.
Sigma AI at a glance
As of November 4, 2026, SignalGigs lists 97 open roles at Sigma AI. The most common work is annotation (93), translation (3) and voice (1).
- Open roles listed:
- 97
- Most common work:
- annotation (93), translation (3) and voice (1)
Counted from the listings below. Job board last checked .
Current Opportunities (97)
Russian Linguistic Projects (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Russian. Accurate Russian listening, writing, spelling, and basic computer skills are…
Bengali Linguistic Projects (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Bengali. Accurate Bengali listening, writing, spelling, and basic computer skills are…
Turkish Linguistic Projects (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Turkish. Accurate Turkish listening, writing, spelling, and basic computer skills are…
Romanian Linguistic Projects (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Romanian. Accurate Romanian listening, writing, spelling, and basic computer skills are…
Lithuanian Linguistic Projects (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Lithuanian. Accurate Lithuanian listening, writing, spelling, and basic computer skills are…
Complete annotation, correction, transcription, localization, and validation tasks in Mandarin Chinese. A related degree and strong Mandarin Chinese language-structure knowledge…
Mandarin Chinese Translator (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Mandarin Chinese. A related degree and strong Mandarin Chinese language-structure knowledge…
Turkish Linguist Expert (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Turkish. A related degree and strong Turkish language-structure knowledge are listed. Remote…
Turkish Translator (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Turkish. A related degree and strong Turkish language-structure knowledge are listed. Remote…
Dutch Linguist Expert (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Dutch. A related degree and strong Dutch language-structure knowledge are listed. Remote…
Dutch Translator (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Dutch. A related degree and strong Dutch language-structure knowledge are listed. Remote…
Telugu Translator (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Telugu. A related degree and strong Telugu language-structure knowledge are listed. Remote…
Telugu Linguist Expert (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Telugu. A related degree and strong Telugu language-structure knowledge are listed. Remote…
Ukrainian Linguistic Projects (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Ukrainian. Accurate Ukrainian listening, writing, spelling, and basic computer skills are…
Complete annotation, correction, transcription, localization, and validation tasks in Kansai dialect. Accurate Kansai dialect listening, writing, spelling, and basic computer…
Indonesian Linguistic Projects (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Indonesian. Accurate Indonesian listening, writing, spelling, and basic computer skills are…
Complete annotation, correction, transcription, localization, and validation tasks in Bengali (India). Accurate Bengali (India) listening, writing, spelling, and basic computer…
Vietnamese Linguistic Projects (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Vietnamese. Accurate Vietnamese listening, writing, spelling, and basic computer skills are…
Italian Linguistic Projects (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Italian. Accurate Italian listening, writing, spelling, and basic computer skills are…
Korean Linguistic Projects (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Korean and English. Accurate Korean and English listening, writing, spelling, and basic…
Hindi Linguistic Projects (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Hindi and English. Accurate Hindi and English listening, writing, spelling, and basic…
Chinese Linguistic Projects (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Chinese and English. Accurate Chinese and English listening, writing, spelling, and basic…
Complete annotation, correction, transcription, localization, and validation tasks in French (Canada). Accurate French (Canada) listening, writing, spelling, and basic computer…
Complete annotation, correction, transcription, localization, and validation tasks in American English. Accurate American English listening, writing, spelling, and basic computer…
Complete annotation, correction, transcription, localization, and validation tasks in Bengali (Bangladesh). Accurate Bengali (Bangladesh) listening, writing, spelling, and basic…
Thai Linguistic Projects (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Thai. Accurate Thai listening, writing, spelling, and basic computer skills are required.…
Spanish Linguistic Projects (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Spanish. Accurate Spanish listening, writing, spelling, and basic computer skills are…
Complete annotation, correction, transcription, localization, and validation tasks in Canadian English. Accurate Canadian English listening, writing, spelling, and basic computer…
Complete annotation, correction, transcription, localization, and validation tasks in British English. Accurate British English listening, writing, spelling, and basic computer…
Complete annotation, correction, transcription, localization, and validation tasks in Korean and Chinese. Accurate Korean and Chinese listening, writing, spelling, and basic…
Complete annotation, correction, transcription, localization, and validation tasks in Korean and Japanese. Accurate Korean and Japanese listening, writing, spelling, and basic…
Basque Linguistic Projects (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Basque. Accurate Basque listening, writing, spelling, and basic computer skills are required.…
Complete annotation, correction, transcription, localization, and validation tasks in Maghrebi Arabic. Accurate Maghrebi Arabic listening, writing, spelling, and basic computer…
Complete annotation, correction, transcription, localization, and validation tasks in Levantine Arabic. Accurate Levantine Arabic listening, writing, spelling, and basic computer…
Japanese Linguistic Projects (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Japanese. Accurate Japanese listening, writing, spelling, and basic computer skills are…
Gulf Arabic Linguistic Projects (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Gulf Arabic. Accurate Gulf Arabic listening, writing, spelling, and basic computer skills are…
Complete annotation, correction, transcription, localization, and validation tasks in Indian English. Accurate Indian English listening, writing, spelling, and basic computer…
Marathi Translator (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Marathi. A related degree and strong Marathi language-structure knowledge are listed. Remote…
Romanian Translator (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Romanian. A related degree and strong Romanian language-structure knowledge are listed.…
Record 500 short German utterances across two sessions. The German recording takes about 2.5 hours using Android or Windows. Remote German freelance work is available through a…
German Linguistic Projects (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in German. Accurate German listening, writing, spelling, and basic computer skills are required.…
Record several sentences in different noisy environments for a short voice command data project. The remote freelance task requires native fluency in the project language, a…
Record several sentences in different noisy environments for a short voice command data project. The remote freelance task requires native fluency in the project language, a…
Record several sentences in different noisy environments for a short voice command data project. The remote freelance task requires native fluency in the project language, a…
Indonesian Translator (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Indonesian. A related degree and strong Indonesian language-structure knowledge are listed.…
Bengali (India) Translator (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Bengali (India). A related degree and strong Bengali (India) language-structure knowledge are…
Korean Translator (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Korean. A related degree and strong Korean language-structure knowledge are listed. Remote…
Egyptian Arabic Translator (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Egyptian Arabic. A related degree and strong Egyptian Arabic language-structure knowledge are…
Vietnamese Translator (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Vietnamese. A related degree and strong Vietnamese language-structure knowledge are listed.…
Polish Linguist Expert (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Polish. A related degree and strong Polish language-structure knowledge are listed. Remote…
Polish Translator (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Polish. A related degree and strong Polish language-structure knowledge are listed. Remote…
Russian Translators (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Russian. A related degree and strong Russian language-structure knowledge are listed. Remote…
French Linguistic Projects (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in French. Accurate French listening, writing, spelling, and basic computer skills are required.…
Record 500 short French utterances across two sessions. The French recording takes about 2.5 hours using Android or Windows. Remote French freelance work is available through a…
Record 500 short Japanese utterances across two sessions. The Japanese recording takes about 2.5 hours using Android or Windows. Remote Japanese freelance work is available…
Record 500 short German utterances across two sessions. The German recording takes about 2.5 hours using Android or Windows. Remote German freelance work is available through a…
Romanian Linguist Expert (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Romanian. A related degree and strong Romanian language-structure knowledge are listed.…
Ukrainian Translator (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Ukrainian. A related degree and strong Ukrainian language-structure knowledge are listed.…
Ukrainian Linguist Expert (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Ukrainian. A related degree and strong Ukrainian language-structure knowledge are listed.…
Tamil Linguist Expert (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Tamil. A related degree and strong Tamil language-structure knowledge are listed. Remote…
Portuguese Linguistic Projects (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Portuguese. Accurate Portuguese listening, writing, spelling, and basic computer skills are…
Complete annotation, correction, transcription, localization, and validation tasks in Mandarin Chinese. Accurate Mandarin Chinese listening, writing, spelling, and basic computer…
Dutch Linguistic Projects (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Dutch. Accurate Dutch listening, writing, spelling, and basic computer skills are required.…
German Linguistic Projects (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in German. Accurate German listening, writing, spelling, and basic computer skills are required.…
Tamil Translator (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Tamil. A related degree and strong Tamil language-structure knowledge are listed. Remote…
Australian English Speakers (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Australian English. Accurate Australian English listening, writing, spelling, and basic…
Tamil Translator (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Tamil. A related degree and strong Tamil language-structure knowledge are listed. Remote…
Telugu Linguistic Projects (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Telugu. Accurate Telugu listening, writing, spelling, and basic computer skills are required.…
Marathi Linguistic Projects (Remote)
Complete annotation, correction, transcription, localization, and validation tasks in Marathi. Accurate Marathi listening, writing, spelling, and basic computer skills are…
Participa presencialmente en Madrid en proyectos lingüísticos de italiano. Las tareas pueden abarcar anotación, corrección, transcripción, evaluación, grabación de voz, creación…
Complete remote AI language tasks in German, Russian, and English, from annotation and transcription to evaluation and recording. The freelance work requires a suitable computer…
Contribute native English listening and writing skills to varied linguistic projects for AI. Possible tasks include transcription, annotation, content creation and validation…
Contribute Cantonese Chinese language skills to AI data collection and annotation projects. Work may include transcription, evaluation, localization and voice recording, with…
Dutch Linguistic Projects (On-site London)
Contribute Dutch skills to AI linguistic projects that may include annotation, transcription, localization and content validation. Native or bilingual Dutch, English fluency and…
Contribute to Nepali language projects spanning annotation, transcription, recording and content evaluation. Native or bilingual language ability, fluent English and basic…
Contribute Finnish language skills to AI data collection and annotation projects. Work may include transcription, evaluation, localization and voice recording, with fluent English…
Contribute to Danish language projects spanning annotation, transcription, recording and content evaluation. Native or bilingual language ability, fluent English and basic…
Contribute Norwegian language skills to AI data collection and annotation projects. Work may include transcription, evaluation, localization and voice recording, with fluent…
Korean Linguistic Projects (On-site London)
Contribute Korean language skills to AI data collection and annotation projects. Work may include transcription, evaluation, localization and voice recording, with fluent English…
Contribute Czech language skills to AI data collection and annotation projects. Possible tasks include transcription, evaluation, voice recording and content validation, with…
Contribute Mandarin Chinese skills to AI linguistic projects, with accurate writing in Traditional script required. Possible tasks include annotation, transcription, voice…
Contribute Indonesian language skills to AI data collection and annotation projects. Work may include transcription, evaluation, localization and voice recording, with fluent…
Contribute to Hungarian language projects spanning annotation, transcription, recording and content evaluation. Native or bilingual language ability, fluent English and basic…
Take on remote language tasks such as transcription, annotation, evaluation and voice recording. Fluency in Cantonese Chinese and English, computer literacy and the specified…
Support Swedish linguistic projects through tasks such as transcription, annotation, evaluation, localization and recording. Native or bilingual Swedish, fluent English and basic…
Contribute Serbian language skills to projects involving text, audio, video and images. The work requires native or bilingual Serbian, fluent English for office communication and…
Contribute Slovak language skills to projects involving text, audio, video and images. The work requires native or bilingual Slovak, fluent English for office communication and…
Support remote language data projects with fluent Czech and English. Assignments may involve annotation, transcription, evaluation, recording, or localization, with mandatory…
Contribute Slovak language skills to AI projects involving possible annotation, transcription, localization and content validation. Native or bilingual Slovak, English fluency and…
Contribute Serbian language skills to AI projects that may involve annotation, transcription, voice recording and content validation. Native or bilingual Serbian, English fluency…
Complete remote language-data projects in Argentinian Spanish and English, including annotation, transcription, evaluation, and content validation. Freelancers work under a…
Complete remote language-data projects in Peruvian Spanish and English, including annotation, transcription, evaluation, and content validation. Freelancers work under a…
Complete remote language-data projects in Colombian Spanish and English, including annotation, transcription, evaluation, and content validation. Freelancers work under a…
Complete remote language-data projects in Chilean Spanish and English, including annotation, transcription, evaluation, and content validation. Freelancers work under a commercial…
Complete remote language-data projects in Costa Rican Spanish and English, including annotation, transcription, evaluation, and content validation. Freelancers work under a…
Complete remote language-data projects in Mexican Spanish and English, including annotation, transcription, evaluation, and content validation. Freelancers work under a commercial…
Contribute to Venezuelan Spanish AI data projects through annotation, transcription, evaluation and other language tasks. Work is remote under a freelance commercial contract,…