Freelance Data Operations & Project Lead - Freelance
You served as a freelance data labeling and data operations specialist, managing long-term outsourced data projects for clients in multiple industries. You coordinated data processing activities including raw data filtering, cleaning, stratified labeling, and full-process quality checks. The work required strong operational control, domain knowledge in tagging standards, and the ability to deliver standardized datasets for user profiling and targeted marketing. • Partitioned and cleaned operator raw data to remove invalid and dirty records • Built multi-dimensional tag systems to support user asset, purchase, and credit-demand labeling • Authored labeling guidelines and aligned annotation standards through sample review and cross QC • Managed batch project throughput and controlled data quality for reusable industry datasets