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senior data operayions
Fibio • Freelance
Aug 2026 - Present • 0 mos
Senior Data Operations Specialist | Freelance & Client Services 2021 – Present Data Cleaning & Governance: Processed and sanitized over 500,000+ rows of raw client data, eliminating duplicates, fixing structural text errors, and resolving formatting inconsistencies. Accuracy & Correction: Achieved a 99.8% data accuracy rate by implementing rigorous audit logs, anomaly detection, and automated validation rules. System Standardization: Reorganized messy multi-source datasets into clean ISO-standard formats (YYYY-MM-DD, standard country/region taxonomies, proper phone/email syntax) for seamless database integration. Data Entry Efficiency: Fast and accurate data entry (70+ WPM with 99%+ accuracy), handling high-volume ledger entries, CRM updates, and financial logs under tight deadlines. 🏆 Key Achievements & Impact 99.8% Quality Assurance Rating: Maintained near-perfect accuracy across high-volume data cleaning and formatting projects. Automated Audit Logging: Built standardized Data Cleaning Audit Logs that track every issue remediated (severity, field target, fix method), giving clients 100% transparency. 40% Time Reduction: Streamlined data collection and entry workflows using custom Excel formulas (XLOOKUP, SUMIFS, conditional logic) and Python scripts (pandas), drastically reducing client project turnaround times. 100+ Datasets Delivered: Successfully delivered clean, structured datasets for e-commerce stores, real estate agencies, financial firms, and marketing teams. 🌟 Core Technical Skills Tools & Software: Microsoft Excel (Advanced), Google Sheets, Python (Pandas, OpenPyXL), SQL basics. Core Competencies: Data Entry, Data Cleaning/Sanitization, Deduplication, Data Formatting, Outlier Correction, Audit Logging, Data Governance.