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Multilingual

Vietnamese Linguistic Projects (Remote)

Sigma AI logoSigma AI
Remote in 66 countries

Armenia, Angola, Argentina, Azerbaijan, Bangladesh, Burkina Faso, Benin, Brazil, Botswana, Canada, DR Congo, Chile, Cameroon, Colombia, Cape Verde, Germany, Algeria, Egypt, France, United Kingdom, Ghana, Guinea-Bissau, Hungary, Indonesia, Japan, Kenya, Kyrgyzstan, Cambodia, South Korea, Kazakhstan, Laos, Morocco, Madagascar, Marshall Islands, Mongolia, Maldives, Malawi, Mexico, Malaysia, Mozambique, Niger, Nigeria, Nepal, Peru, French Polynesia, Philippines, Pakistan, Portugal, Serbia, Seychelles, Singapore, Sierra Leone, Senegal, Chad, Thailand, Turkmenistan, Türkiye, Tanzania, Uganda, United States, Uzbekistan, Vanuatu, Samoa, South Africa, Zambia, Zimbabwe

Posted 1y+ ago
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About the role

🔹 What is Sigma?

Sigma is a leading global technology company specialized in data collection and annotation for Artificial Intelligence. With over 30 years of experience, offices in Spain, the US, and the UK, and operations in more than 700 languages, we support top multinational clients in developing cutting-edge AI solutions.

👍 Soft Skills We Value

Are you a proactive professional who thrives on challenges, values collaboration, and approaches every task with empathy, integrity, and a passion for learning?

As part of our linguistic projects, your responsibilities may include

Categorization – Annotation – Correction – Transcription – Evaluation – Conversational interactions – Voice recording – Content creation – Localization – Validation of audio, video, images, sentences, or words.

🕒 All tasks are remote, performed through an online platform available 24/7. 📄 This opportunity is offered for freelancers under a commercial contract.

We are looking for candidates with the following qualifications

  • Fluent in Vietnamese – Able to listen and write correctly without spelling mistakes
  • Fluent in English – Able to listen and write correctly without spelling mistakes
  • Basic computer skills

Preferred (but not mandatory)

  • Experience in data annotation or content rating
  • Strong attention to detail

Computer

  • Minimum 4GB RAM
  • Microphone and webcam
  • Operating system: Windows 10 or higher
  • macOS 13 Ventura or higher
  • All OS updates installed and supported by the vendor

Connectivity & Accessories

  • Stable internet connection
  • Headphones
  • Secure internet location, protected by a strong password

For audio-collection projects only

  • Mobile phone with Android OS

🚫 Tablets and iOS devices are not supported

📋 How to Apply

If you’re interested, click “APPLY FOR THIS JOB” and follow the instructions.

After submitting your application, you will receive an email with the required tests to assess your qualifications. These tests are mandatory to move forward in the process.

📩 Check your inbox and spam folder, just in case!

🚫 Important Notes

  • Sigma.AI does not hire through third parties. No agents’ intermediaries or third parties are authorized to represent benefit from or participate in any way in the relationship. To this effect the Candidate agrees to provide any documentation or information reasonably requested by the Company to verify their identity and credentials. Should the Candidate fail to provide enough evidence of their identity to Sigma´s satisfaction, Sigma shall be entitled to withhold or terminate any offer with the Candidate.
  • The company may employ or rely on artificial intelligence systems in its selection processes. Such processing is carried out in an ethical, transparent, and legally compliant manner. The purpose of the processing is to evaluate the tests submitted in the course of the selection process (for instance the transcribed content provided by the candidate). The legal basis for processing your data is the pre-contractual relationship between the parties and/or the provision of requested services.

💬 Need Help?

We’re here for any questions or concerns.

Join us and be part of something global, innovative, and impactful.

Where you can work

This role is 100% remote, for applicants located in these 66 countries: Armenia, Angola, Argentina, Azerbaijan, Bangladesh, Burkina Faso, Benin, Brazil, Botswana, Canada, DR Congo, Chile, Cameroon, Colombia, Cape Verde, Germany, Algeria, Egypt, France, United Kingdom, Ghana, Guinea-Bissau, Hungary, Indonesia, Japan, Kenya, Kyrgyzstan, Cambodia, South Korea, Kazakhstan, Laos, Morocco, Madagascar, Marshall Islands, Mongolia, Maldives, Malawi, Mexico, Malaysia, Mozambique, Niger, Nigeria, Nepal, Peru, French Polynesia, Philippines, Pakistan, Portugal, Serbia, Seychelles, Singapore, Sierra Leone, Senegal, Chad, Thailand, Turkmenistan, Türkiye, Tanzania, Uganda, United States, Uzbekistan, Vanuatu, Samoa, South Africa, Zambia and Zimbabwe.

From Sigma AI's job posting, checked Oct 18, 2026.

Apply on Sigma AI (opens the job details)

The application

Your details, then 80 questions.

  1. 1.
    ArgeliaShort answer · optional
  2. 2.
    Sierra LeoneShort answer · optional
  3. 3.
    SenegalShort answer · optional
  4. 4.
    MexicoShort answer · optional
  5. 5.
    South KoreaShort answer · optional
  6. 6.
    BeninShort answer · optional
  7. 7.
    BotswanaShort answer · optional
  8. 8.
    ThailandShort answer · optional
  9. 9.
    TurkmenistanShort answer · optional
  10. 10.
    Port Vila, VanuatuShort answer · optional
  11. 11.
    ZimbabweShort answer · optional
  12. 12.
    ZambiaShort answer · optional
  13. 13.
    ArgentinaShort answer · optional
  14. 14.
    Democratic Republic of the CongoShort answer · optional
  15. 15.
    Ulaanbaatar, MongoliaShort answer · optional
  16. 16.
    Tokyo, JapanShort answer · optional
  17. 17.
    TurkeyShort answer · optional
  18. 18.
    PhilippinesShort answer · optional
  19. 19.
    KenyaShort answer · optional
  20. 20.
    KyrgyzstanShort answer · optional
  21. 21.
    MoroccoShort answer · optional
  22. 22.
    MozambiqueShort answer · optional
  23. 23.
    NepalShort answer · optional
  24. 24.
    NigeriaShort answer · optional
  25. 25.
    MaldivesShort answer · optional
  26. 26.
    ChileShort answer · optional
  27. 27.
    AzerbaijanShort answer · optional
  28. 28.
    BangladeshShort answer · optional
  29. 29.
    Marshall IslandsShort answer · optional
  30. 30.
    Praia, Cabo VerdeShort answer · optional
  31. 31.
    UgandaShort answer · optional
  32. 32.
    PakistanShort answer · optional
  33. 33.
    UzbekistanShort answer · optional
  34. 34.
    CameroonShort answer · optional
  35. 35.
    KazakhstanShort answer · optional
  36. 36.
    TürkiyeShort answer · optional
  37. 37.
    TanzaniaShort answer · optional
  38. 38.
    SamoaShort answer · optional
  39. 39.
    Niamey, NigerShort answer · optional
  40. 40.
    AngolaShort answer · optional
  41. 41.
    CambodiaShort answer · optional
  42. 42.
    MadagascarShort answer · optional
  43. 43.
    MalawiShort answer · optional
  44. 44.
    Burkina FasoShort answer · optional
  45. 45.
    Guinea-Bissau, Guinea-BissauShort answer · optional
  46. 46.
    LaosShort answer · optional
  47. 47.
    Bissau, Guinea-BissauShort answer · optional
  48. 48.
    GhanaShort answer · optional
  49. 49.
    EgiptoShort answer · optional
  50. 50.
    ChadShort answer · optional
  51. 51.
    ArmeniaShort answer · optional
  52. 52.
    MalaysiaShort answer · optional
  53. 53.
    ColombiaShort answer · optional
  54. 54.
    PortugalShort answer · optional
  55. 55.
    South AfricaShort answer · optional
  56. 56.
    IndonesiaShort answer · optional
  57. 57.
    Brasilia, BrasilShort answer · optional
  58. 58.
    Bukittinggi, IndonesiaShort answer · optional
  59. 59.
    Hat Yai, ThailandShort answer · optional
  60. 60.
    İstanbulShort answer · optional
  61. 61.
    Palu, IndonesiaShort answer · optional
  62. 62.
    SingaporeShort answer · optional
  63. 63.
    Kàtmandu, NepalShort answer · optional
  64. 64.
    AlbertaShort answer · optional
  65. 65.
    Hawaii, USAShort answer · optional
  66. 66.
    KansasShort answer · optional
  67. 67.
    ManitobaShort answer · optional
  68. 68.
    Mexico City, MexicoShort answer · optional
  69. 69.
    SaskatchewanShort answer · optional
  70. 70.
    GlasgowShort answer · optional
  71. 71.
    HarrowShort answer · optional
  72. 72.
    HounslowShort answer · optional
  73. 73.
    Isle of HarrisShort answer · optional
  74. 74.
    LeicesterShort answer · optional
  75. 75.
    LondonShort answer · optional
  76. 76.
    Scotland, UKShort answer · optional
  77. 77.
    SouthallShort answer · optional
  78. 78.
    WembleyShort answer · optional
  79. 79.
    MiamiShort answer · optional
  80. 80.
    New York CityShort answer · optional

From Sigma AI's apply page, checked Oct 9, 2026.

About Sigma AI

Language data at scale: transcription, translation, linguistic annotation.

How it pays: Freelance commercial contract; payment method and schedule are not published.

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