Jackton Chetambe
@jacktonchetambe
Experienced Data Annotation Specialist with a passion for quality assurance.
KenyaWhat I'm looking for
I am an experienced Data Annotation Specialist with over 3 years of expertise in preparing high-quality training datasets for machine learning and AI applications. My proven track record spans multi-modal data annotation, including text, image, audio, and video annotation across diverse industries. I have a strong background in quality assurance, annotation accuracy optimization, and cross-functional collaboration with AI/ML teams.
Currently, I serve as a Senior Data Annotation Specialist at Micro.ai, where I execute high-precision data annotation and collaborate directly with AI/ML engineers to optimize dataset quality. I have implemented comprehensive quality assurance protocols, achieving a remarkable 98.5% annotation accuracy rate. Additionally, I mentor junior annotators and lead cross-functional projects involving geospatial data annotation, leveraging my surveying background for enhanced accuracy.
As the Founder and Technical Lead of JC Digital Hub, I established a specialized data annotation services division focusing on high-quality dataset preparation. I build and lead a team of skilled annotators, ensuring consistent quality and project delivery while developing strategic partnerships with AI/ML companies requiring annotation services.
Experience
Work history, roles, and key accomplishments
Founder & Technical Lead
JC Digital Hub
Jan 2025 - Present (7 months)
Established a specialized data annotation services division focusing on high-quality dataset preparation. Built and led a team of skilled annotators, ensuring consistent quality and project delivery.
Digital Skills Trainer
eMobilis Technology Training Institute
Feb 2024 - Present (1 year 6 months)
Designed and delivered comprehensive training programs in data annotation techniques and best practices. Trained over 200 professionals in data annotation methodologies, quality assurance, and industry standards.
Senior Data Annotation Specialist
Micro.ai
Jan 2022 - Present (3 years 7 months)
Executed high-precision data annotation for machine learning models across multiple data types, including text, images, and audio datasets. Implemented comprehensive quality assurance protocols, achieving a 98.5% annotation accuracy rate.
Freelance Data Annotation Specialist
Multiple Platforms
Jan 2020 - Present (5 years 7 months)
Delivered specialized data annotation services for diverse clients, including healthcare, autonomous vehicles, and e-commerce sectors. Completed over 100 annotation projects ranging from medical image labeling to natural language processing datasets.
Education
Degrees, certifications, and relevant coursework
The Eldoret National Polytechnic
Diploma, Land Survey
2023 -
Specialized coursework in Geospatial Measurements, GIS, and Remote Sensing. Applied surveying precision principles to geospatial data annotation projects and integrated digital annotation techniques with traditional surveying methodologies.
Northwestern Christian University
Diploma, Public Administration & Governance
2021 - 2023
Developed project management and organizational skills essential for large-scale annotation projects. Enhanced leadership capabilities for team coordination and training program development.
Tech stack
Software and tools used professionally
Availability
Location
KenyaAuthorized to work in
Job categories
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