
Shivam kataria
Data Cleaning and Excel Automation Specialist
Skills

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Portfolio
Werkervaring
Data Cleaning & Spreadsheet Specialist
Self Employed • Freelance
Dec 2025 - Present • 8 mos
Independent data cleaning and spreadsheet work for small businesses. I clean and standardise Excel and CSV exports, remove duplicate records, fix formatting, date and phone-number inconsistencies, prepare files for CRM import, and build summary sheets with live formulas. Every project is delivered with a written log of changes.
B.Tech(AIML)
IBM • Fulltime
Jul 2024 - Present • 2 yrs 1 mo
Coursework and academic projects involving data collection, organization and analysis in Excel and Google Sheets — including survey data, project reports, accounting records, statistics assignments . Built and maintained spreadsheets for Pizza sales data analysis project.
Data Cleaning Practice Projects
Self-directed • Parttime
Nov 2025 - Jan 2026 • 2 mos
Built demonstration cleanup projects on realistic sample datasets: a multi-source contact database (deduplication, E.164 phone standardization, ISO date conversion, CRM import preparation) and a sales export rebuilt into an analysis-ready workbook with a live SUMIFS summary dashboard. Both available in my portfolio.