Data Analyst Intern — Data Annotation Specialist (OCR dataset annotation & QA) at Diamond Trust Bank (DTB)
Annotated and reviewed 1,000+ loan forms and ID card datasets to support OCR machine learning model training workflows. Applied precise bounding box and polygon labeling techniques while following annotation guidelines to maintain consistency. Conducted data cleaning, preprocessing, and dataset curation for identity verification and financial document use cases. • Labeled document elements using Label Studio, CVAT, and SuperAnnotate. • Validated OCR outputs and improved annotation quality and productivity using metrics. • Coordinated QA and annotation workflows with data science and engineering teams via Slack. • Maintained strict confidentiality of sensitive financial and identity data throughout labeling.