Senior Excel & Google Sheets Developer

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TYPE OF WORK

Part Time

SALARY

$5-$10

HOURS PER WEEK

30

DATE UPDATED

Jul 30, 2026

JOB OVERVIEW

I am looking for an experienced Excel and Google Sheets developer to help build premium spreadsheet products that will be sold on Etsy.

This is product development, not internal business reporting or corporate spreadsheets.

The ideal candidate has experience designing customer-facing spreadsheet systems with clean architecture, advanced formulas, dashboards, automation, and an intuitive user experience.

The first project is improving and modernizing an existing budget planner. Future projects include finance systems, business management tools, inventory systems, client management, and other spreadsheet products.

Responsibilities include:

• Designing scalable spreadsheet architecture
• Building clean, maintainable formulas
• Using modern Excel functions
• Creating dashboards and reports
• Improving usability
• Reducing duplicate logic
• Creating professional spreadsheet products customers enjoy using

Requirements:

• Advanced Excel
• Google Sheets
• XLOOKUP
• LET
• FILTER
• Dynamic Arrays
• Data Validation
• Conditional Formatting
• Dashboards
• Experience creating spreadsheet products from scratch

IMPORTANT

Please include examples of spreadsheet products you personally built.

Applicants with only corporate reporting experience are less likely to be a fit.

If you have sold spreadsheet templates or built spreadsheet products for clients, please include those examples.

This is intended to become a long-term working relationship for the right developer.

What is the most technically advanced spreadsheet you have personally built? Please describe what it does and what formulas or automation you used.

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