Data Annotation Specialist
As a Data Annotation Specialist at Cogito Tech, I labeled and classified data including images, text, audio, and video for machine learning models. I used annotation tools such as Labelbox to ensure data accuracy and consistency. My responsibilities included performing quality checks, documenting processes, and collaborating with data scientists to enhance model accuracy. • Labeled large volumes of diverse data types for AI/ML projects. • Conducted quality assurance to achieve up to 97% model precision. • Utilized annotation tools including Labelbox and SuperAnnotate. • Improved accuracy by 20% via rigorous workflow enhancements.