All Case StudiesInterior Design & Architecture

Custom Time Tracking & Automated Billing System

10 weeks buildView live project
92%
Billing Time Reduced
$32K/yr
Revenue Recovered
73%
Billable Utilization
185%
First-Year ROI

The Challenge

8-12 hours monthly spent manually reconstructing billable hours from Google Calendar. 10-15 unbilled hours per designer monthly ($2,500-4,000 lost revenue per designer). A 12-18 person-hour monthly billing cycle took 5-7 days to send invoices, with payment delays of 35-37 days. An estimated $30-40K annually was lost in unbilled design time.

The Solution

Built a custom Chrome extension for one-click time tracking (8-second time entry) with smart context detection, keyboard shortcuts, and offline capability. A web dashboard provides real-time project budget tracking, 80% budget threshold alerts, designer capacity visualization, and one-click invoice generation with PDF export. Google Calendar bidirectional sync ensures seamless integration.

The Result

92% reduction in monthly billing time (from 12-18 hours to 60-90 minutes). $32K annual revenue recovery from eliminated time tracking leakage. Same-day invoice generation vs. 5-7 day delay. 73% billable utilization up from 58%. 100% designer adoption within the first week with 9.1/10 satisfaction score.

Technologies Used

Chrome ExtensionReactPostgreSQLGoogle Calendar APIOAuth 2.0PDF Generation

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