Oola Cosmas

About me

I am a Data & AI specialist with over 5 years of experience in data annotation, dataset curation, and data quality assurance for machine learning and AI systems. I have worked with large-scale datasets across text, image, audio, and structured data, ensuring accuracy, consistency, and reliability for model training and evaluation.

My expertise includes data cleaning, labeling, validation, and dataset structuring, with a strong focus on identifying inconsistencies, duplicates, and improving overall data quality. I am highly skilled in Microsoft Excel, Google Sheets, and annotation tools such as Label Studio and CVAT, and I am comfortable working with both structured and unstructured datasets.

I have supported AI data pipelines in fast-paced environments, consistently meeting strict quality and productivity standards. I have a proven track record of delivering high-quality work with strong attention to detail.

I am reliable, fast-learning, and detail-oriented, with a strong commitment to delivering cle