Sylvano Evans
Data Annotation Specialist
Talent
Nairobi, Mombasa, Nakuru, EldoretMember since June 15, 2026
Image Annotation and SegmentationText Classification and CategorizationBounding Box AnnotationData Quality AssuranceAI Training Data PreparationMicrosoft Office SuiteGoogle WorkspaceData Entry and VerificationTime ManagementTeam CollaborationLabelboxCVATLabel StudioMicrosoft ExcelGoogle SheetsData Management ToolsImage Annotation
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Image Annotation and SegmentationText Classification and CategorizationBounding Box AnnotationData Quality AssuranceAI Training Data Preparation
About
Dedicated Data Annotation Specialist with 5 years of experience in data labeling, image annotation, text classification, and quality assurance for machine learning and artificial intelligence projects. Proven ability to deliver accurate annotations while maintaining productivity targets and adhering to project guidelines. Strong attention to detail and excellent analytical skills.
Experience
Senior Data Annotation Specialist - ABC AI Solutions
(2023-01)
- Annotate image, video, and text datasets for machine learning models.
- Conduct quality reviews of completed annotations to ensure accuracy.
- Train and mentor junior annotators on project guidelines.
- Collaborate with project managers to improve annotation workflows.
Data Annotation Associate - DataTech Analytics Ltd.
(2020-06 - 2022-12)
- Labeled large datasets used in computer vision and natural language processing projects.
- Maintained annotation accuracy rates above project requirements.
- Reviewed and corrected annotation errors before final submission.
- Assisted in developing annotation guidelines for new projects.
Data Entry and Annotation Assistant - SmartVision Technologies
(2018-03 - 2020-05)
- Performed image tagging and object detection annotation tasks.
- Organized and managed datasets for AI development teams.
- Conducted data validation and quality assurance checks.
- Achieved consistent productivity and accuracy targets.
Education
Bachelor of Science - Information Technology - University of Nairobi (2014 - 2018)
Skills
Data Annotation Specialist
