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Joseph Matekwa

Joseph Matekwa

Data Annotation Specialist

Talent
NairobiMember since July 13, 2026
Data Annotation and LabelingImage and Video AnnotationAI Model Training SupportAudio TranscriptionEnglish-Swahili TranslationFrench-English TranslationSpanish-English TranslationData EntryInternet ResearchQuality AssuranceAttention to DetailContent CategorizationCommunication SkillsTime ManagementMicrosoft WordMicrosoft ExcelGoogle DocsGoogle SheetsVirtual AssistantDigital MarketingProblem-solving skillsData ManagementOnline Collaboration Tools
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Data Annotation and LabelingImage and Video AnnotationAI Model Training SupportAudio TranscriptionEnglish-Swahili Translation

About

Detail-oriented and highly motivated Data annotation specialist with strong English and Swahili language skills. Experienced in data labeling, transcription, translation, internet research, and quality assurance. Able to follow detailed project guidelines, maintain high accuracy standards, and deliver tasks within deadlines. Proficient in computer applications, online collaboration tools, and AI training projects involving text, image, audio and video data.

Experience

Freelance Data Annotation and AI Training - Self-Employed - Remote

(2025-01)

  • Annotating and labeling datasets for machine learning projects.
  • Categorizing text, images, and video content according to project guidelines.
  • Performing quality checks to ensure data accuracy.
  • Conducting internet research and data verification tasks.
  • Supporting AI model training through data evaluation and validation.
  • Meeting project deadlines while maintaining high-quality standards.

Freelance Translator and Transcriptionist - Remote - Remote

(2025-01)

  • Transcribing English audio recordings accurately.
  • Translating documents between English and Swahili.
  • Editing and proofreading transcripts.
  • Ensuring confidentiality of client information.
  • Maintaining consistency and accuracy in language projects.

Education

Ajira Digital Training - Kitale National Polytechnic Jitume Digital Centre (2025-01 - 2025-12)

Skills

Data Annotation Specialist

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