You will get A custom-designed Chrome Extension
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Project details
I am an experienced frontend developer with over 10 years of experience. I possess strong communication skills and am capable of creating tailored Chrome Extensions for clients.
My technical expertise includes:
• Proficiency in JavaScript, with proficiency in frontend frameworks such as React and jQuery.
• Mastery of Node.js, with proficiency in frameworks like Koa.js and Express.js.
• Chrome expertise: Proficient in extension development and familiar with Chrome Devtool Protocol, providing deeper technical support.
My past projects include:
1. Customized debugging plugins for request interception, facilitating the reporting of request information to a testing server.
2. Customized testing solutions, establishing a Node.js project, using CDP for comprehensive request handling, modifying response content, and recording debugging parameters for tools.
Thank you for reviewing my profile.
My technical expertise includes:
• Proficiency in JavaScript, with proficiency in frontend frameworks such as React and jQuery.
• Mastery of Node.js, with proficiency in frameworks like Koa.js and Express.js.
• Chrome expertise: Proficient in extension development and familiar with Chrome Devtool Protocol, providing deeper technical support.
My past projects include:
1. Customized debugging plugins for request interception, facilitating the reporting of request information to a testing server.
2. Customized testing solutions, establishing a Node.js project, using CDP for comprehensive request handling, modifying response content, and recording debugging parameters for tools.
Thank you for reviewing my profile.
Programming Languages
HTML & CSS, JavaScriptCoding Expertise
Cross Browser & Device CompatibilityWhat's included
| Service Tiers |
Starter
$100
|
Standard
$400
|
Advanced
$1,200
|
|---|---|---|---|
| Delivery Time | 3 days | 7 days | 14 days |
Number of Revisions | 1 | 1 | 1 |
Number of Pages | 2 | 4 | 8 |
Design Customization | |||
Content Upload | |||
Responsive Design | |||
Source Code |
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About Jianchao
AI Full-Stack SaaS Web Apps | Chrome Extension | Ex-Alibaba
95%
Job Success
Hangzhou, China - 12:30 am local time
I help startups build modern SaaS products, AI-powered web apps, and Chrome extensions using Next.js, TypeScript and Node.js.
Before freelancing, I worked for 6+ years at Alibaba building large-scale web platforms used by millions of users.
On Upwork I’ve delivered:
– SaaS dashboards and internal tools
– AI-powered web applications
– Chrome extensions integrated with web platforms
– MVPs for startups
Recent work includes:
– Chrome extension + web application for workflow automation
– AI-powered job analysis and proposal generation tool
– Education platform built with Next.js
– OCR web application using Tesseract.js
Tech stack:
Next.js / React / TypeScript / NestJS / PostgreSQL / Supabase
Clients appreciate my ability to combine strong engineering execution with product thinking — helping teams move fast while keeping systems maintainable.
If you're building a SaaS product, AI web application, or Chrome extension, feel free to reach out.
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Specialties:
– SaaS product development
– Chrome extension development
– AI-powered web applications
– Startup MVP development
Steps for completing your project
After purchasing the project, send requirements so Jianchao can start the project.
Delivery time starts when Jianchao receives requirements from you.
Jianchao works on your project following the steps below.
Revisions may occur after the delivery date.
Discussion
First I will discuss the full requirements of your project and then will finalize the milestones and timeline. Once we both agree on terms then we start the contract.