Upwork Job Insights — Freelancer Extension

Chrome Extension

About

Privacy-first Chrome extension that surfaces hidden client quality data on Upwork job listings — color-coded badges for client spend, rating, review distribution, and estimated hidden reviews — zero external API calls, all analysis runs locally.

My Role

Designed and built a privacy-first extension with zero external API calls: client quality scoring, spend analysis, review distribution insights, skills matching, and configurable filtering — all running locally.

Core Capabilities

• Color-coded job tile badges (green/yellow/red) based on client quality
• Client spend, rating, feedback count, and spend-per-review ratio display
• Skills match highlighting in job descriptions
• Client Insights panel with reputation, financials, and activity data
• Review distribution and estimated hidden reviews analysis
• Configurable filters: min spend, rating, feedback, location, skills

Architecture

• Chrome Manifest V3 with vanilla JavaScript
• MutationObserver for SPA-aware Upwork page change detection
• Chrome Storage API for settings and preferences
• Privacy-first: zero external data transmission
• CSS with dark mode support matching Upwork's themes

Tech Stack