Available to hire
Hi there! I’m Oscar Ian Nabali, a Data Annotator and AI Operations professional based in Mombasa, Kenya. I bring over 4 years of hands-on experience in data labeling, quality assurance, and large-scale dataset preparation for machine learning. I consistently maintain 95%+ annotation accuracy in guideline-driven remote environments.
I thrive in remote, cross-functional teams and enjoy turning complex data into clean, trainable assets for AI models. My focus is on rigorous QA, accurate annotation, and efficient high-volume task handling to support reliable AI systems.
Experience Level
Expert
Intermediate
Work Experience
Data Annotator / Data Specialist at RWS Group (Freelance)
September 1, 2025 - PresentAnnotate and label datasets for AI/ML training; maintain 95%+ accuracy through strict guideline adherence; perform QA reviews and manage high-volume tasks.
Back Office Officer at WATU
October 1, 2024 - PresentValidate structured data and perform routine audits.
Education
Bachelor of Business & Information Technology at Technical University of Mombasa
January 1, 2016 - January 1, 2020Qualifications
Industry Experience
Software & Internet, Professional Services
Experience Level
Expert
Intermediate
Hire a Data Annotator
We have the best data annotator experts on Twine. Hire a data annotator in Mombasa today.