Need to clean complex datasets, fix spreadsheets, automate repetitive work, or combine information from multiple sources? I provide comprehensive data processing, analysis, and programming services, from individual tasks to complete recurring workflows.
As a former financial data analyst, I bring extensive Excel and database experience, strong programming skills, and a disciplined approach to accuracy, confidentiality, and deadlines.
SERVICES OFFERED
• Advanced Excel: complex formulas, XLOOKUP, INDEX/MATCH, SUMIFS, dynamic arrays, PivotTables, Power Query, Power Pivot, dashboards, data validation, workbook troubleshooting, and performance improvements.
• Python programming: data processing with pandas and NumPy, Excel automation with openpyxl, batch file processing, data extraction, analytical scripts, automated reporting, and custom utilities.
• VBA and macros: custom Excel tools, automated calculations, workbook consolidation, report generation, repetitive-task automation, and debugging or improving existing macros.
• Data cleaning and preparation: deduplication, missing-value handling, format standardization, matching, merging, reconciliation, restructuring, and quality checks.
• SQL and databases: database design, queries, joins, aggregation, data transformation, imports and exports, migration, and database-to-spreadsheet workflows.
• Data extraction and conversion: PDF and document extraction, web scraping, API data collection, and conversion between Excel, CSV, JSON, and other formats.
• Data analysis and reporting: statistical summaries, trend and variance analysis, KPI reporting, visualizations, dashboards, and recurring business reports.
• Data organization and maintenance: spreadsheet updates, record classification, structured data entry, database cleanup, and bulk record processing.
• Testing and quality assurance: checking formulas, calculations, datasets, automated outputs, and web application workflows, with clearly documented findings.
DELIVERABLES YOU CAN USE AND MAINTAIN
Depending on your project, I deliver validated datasets, organized workbooks, working scripts or macros, clear reports, and practical instructions. I investigate discrepancies, flag assumptions, and document checks so you can understand and verify the results.
I handle information confidentially, communicate progress clearly, and strictly follow agreed deadlines. One-time tasks, complex projects, and ongoing data support are all welcome.