Hassan Raza K.
Chrome Extension Developer & AI SaaS Builder
𝗬𝗼𝘂𝗿 𝗯𝗿𝗼𝘄𝘀𝗲𝗿 𝘀𝗵𝗼𝘂𝗹𝗱 𝘄𝗼𝗿𝗸 𝗳𝗼𝗿 𝘆𝗼𝘂 — 𝗻𝗼𝘁 𝘁𝗵𝗲 𝗼𝘁𝗵𝗲𝗿 𝘄𝗮𝘆 𝗮𝗿𝗼𝘂𝗻𝗱. I'm 𝗛𝗮𝘀𝘀𝗮𝗻 𝗥𝗮𝘇𝗮 𝗞𝗵𝗮𝗻, a Chrome Extension specialist and AI SaaS developer with 6+ years building browser tools, Google Workspace automations, and AI-powered web applications. I work with SaaS founders, ops teams, and agencies who want to automate repetitive workflows, build smart browser tools, or launch AI-integrated products — without stitching together five different no-code tools. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 💼 𝗖𝗔𝗦𝗘 𝗦𝗧𝗨𝗗𝗜𝗘𝗦 📌 𝗦𝗮𝗮𝗦 𝗖𝗵𝗿𝗼𝗺𝗲 𝗘𝘅𝘁𝗲𝗻𝘀𝗶𝗼𝗻 𝗳𝗼𝗿 𝗟𝗶𝗻𝗸𝗲𝗱𝗜𝗻 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 Built a Manifest v3 Chrome extension integrating with LinkedIn, Firebase, and a custom Node.js backend. The client went from 0 to 700+ paid users in 3 months. 📌 𝗔𝗜-𝗣𝗼𝘄𝗲𝗿𝗲𝗱 𝗚𝗼𝗼𝗴𝗹𝗲 𝗪𝗼𝗿𝗸𝘀𝗽𝗮𝗰𝗲 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 Developed an Apps Script + AI pipeline that auto-drafts and sends personalized Gmail campaigns from Google Sheets data. Used by an edtech company to engage 20,000+ leads — with zero manual effort. 📌 𝗖𝘂𝘀𝘁𝗼𝗺 𝗔𝗜 𝗦𝗮𝗮𝗦 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺 Built a full-stack AI web app with usage-based billing, free/premium tiers, and a Cloudflare Workers + D1 backend — handling thousands of requests with sub-100ms response times. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🛠️ 𝗪𝗛𝗔𝗧 𝗜 𝗕𝗨𝗜𝗟𝗗 🔷 𝗖𝗵𝗿𝗼𝗺𝗲 𝗘𝘅𝘁𝗲𝗻𝘀𝗶𝗼𝗻𝘀 ✅ Manifest v3 extensions that integrate with any web platform ✅ CRM-connected browser tools (LinkedIn, Upwork, Salesforce, HubSpot) ✅ Web scraping & dynamic data extraction extensions ✅ SaaS Chrome extensions with auth, billing, and backend sync ✅ Real-time monitoring tools with role-based access control 🤖 𝗔𝗜 𝗦𝗮𝗮𝗦 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 ✅ AI-powered web apps with Claude, GPT-4, or Gemini integration ✅ Usage-based billing with free/premium tier logic ✅ AI workflow automation tools (prompt pipelines, document processing) ✅ Cloudflare Workers + D1 backends for fast, scalable AI apps ✅ AI Chrome extensions with on-page intelligence ⚙️ 𝗚𝗼𝗼𝗴𝗹𝗲 𝗪𝗼𝗿𝗸𝘀𝗽𝗮𝗰𝗲 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 ✅ Google Apps Script for Sheets, Gmail, Calendar, Drive & Forms ✅ Custom Workspace add-ons and sidebar tools ✅ Automated reporting, scheduling, and data sync pipelines ✅ Google OAuth integration & API development ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 👤 𝗪𝗛𝗢 𝗜 𝗪𝗢𝗥𝗞 𝗕𝗘𝗦𝗧 𝗪𝗜𝗧𝗛 I'm the right fit if you're a SaaS founder building a browser-based product, an ops team drowning in manual Google Workspace tasks, or a startup that needs an AI-powered tool built fast and built right. I don't just write code — I think through the product with you. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 📩 Send me a message describing your workflow or product idea. I'll reply within 24 hours with a clear plan — no fluff, no overselling.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $24k
Billed in all: $238,614$239k
$8.2k in the last 6 months
Across 212 contracts
Earnings, last 30 days
Skill rankings: Top 1% in Google Sheets
Ranked by MRR among everyone on Upwork with the skill.
- #4Firefox Plugin Development39 freelancers · 🇵🇰 #1Top 10%🇵🇰#1 of 11
- #10Browser Extension203 freelancers · 🇵🇰 #2Top 5%🇵🇰#2 of 35
- #19Browser Automation444 freelancers · 🇵🇰 #4Top 4%🇵🇰#4 of 132
- #27Google Chrome Extension660 freelancers · 🇵🇰 #3Top 4%🇵🇰#3 of 109
- #31Cryptocurrency1,788 freelancers · 🇵🇰 #3Top 2%🇵🇰#3 of 182
- #51Google Apps Script1,318 freelancers · 🇵🇰 #5Top 4%🇵🇰#5 of 171
- #53Scripting2,145 freelancers · 🇵🇰 #7Top 2%🇵🇰#7 of 293
- #99Google Sheets9,300 freelancers · 🇵🇰 #3Top 1%🇵🇰#3 of 1,425