You will get Modern and powerful chrome extensions with custom features
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Project details
As a Full-Stack JavaScript developer with strong experience in building high-quality browser extensions and web applications using MEAN, MERN, and modern JavaScript frameworks. I create fast, secure, and user-friendly Chrome extensions tailored to your exact needs.
What I can build for you:
Custom features and complete UI/UX
Automation tools and workflow helpers
API integrations (OpenAI, REST APIs, Firebase, etc.)
Background scripts, content scripts & Manifest V3
Productivity tools, scrapers, and utility extensions
Bug fixing, improvements, or full rewrites of existing extensions
Why choose me:
Professional Full-Stack JavaScript developer
Clean, optimized, and scalable code
Fast delivery with clear communication
100% satisfaction guaranteed
Money-back guarantee if youre not satisfied
Please contact me before placing an order so I can review your requirements and guide you to the best package or create a custom offer.
Lets build a custom Chrome extension that truly enhances your workflow!
What I can build for you:
Custom features and complete UI/UX
Automation tools and workflow helpers
API integrations (OpenAI, REST APIs, Firebase, etc.)
Background scripts, content scripts & Manifest V3
Productivity tools, scrapers, and utility extensions
Bug fixing, improvements, or full rewrites of existing extensions
Why choose me:
Professional Full-Stack JavaScript developer
Clean, optimized, and scalable code
Fast delivery with clear communication
100% satisfaction guaranteed
Money-back guarantee if youre not satisfied
Please contact me before placing an order so I can review your requirements and guide you to the best package or create a custom offer.
Lets build a custom Chrome extension that truly enhances your workflow!
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Localization, Performance OptimizationWhat's included
| Service Tiers |
Starter
$250
|
Standard
$500
|
Advanced
$1,000
|
|---|---|---|---|
| Delivery Time | 3 days | 7 days | 15 days |
Number of Revisions | 1 | 2 | 3 |
Number of Pages | 1 | 1 | 1 |
Design Customization | |||
Content Upload | |||
Responsive Design | |||
Source Code |
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KC
Kris C.
Dec 16, 2025
Next.js Integration and Database Consolidation Expert
DF
Darren F.
Sep 24, 2025
CRM CSS Styling
SM
Shine M.
Aug 24, 2025
Python/Django/Angular/NeststJs/NextJs/AWS and Sendgrid
He is keen, reliable and willing to fully understand the job the he is give before committing to it. Fully responsible and efficient. If he continues to work in this field I feel he has the making of a good programmer. I have no hesitation in recommending him to any interesting party.
DB
Darren B.
Jan 24, 2025
React Developer with API Experience
Great to work with
SW
Sen W.
Sep 21, 2024
Hiring an experienced frontend software engineer
About Saad
Full Stack Developer | SaaS & Automation | AI Integrations
100%
Job Success
Karachi, Pakistan - 1:53 am local time
With 8+ years of professional experience, I develop scalable, secure, and production-ready web & mobile applications using modern JavaScript frameworks, cloud platforms, and AI-powered technologies. My focus is on delivering clean architecture, high-performance UI/UX, and maintainable code that produces real business results.
If you’re building a SaaS app, mobile app, automated system, or AI-driven product, I can help you move faster and build smarter.
🛠️ Core Tech Stack (SEO-Optimised)
Frontend Development
React, Next.js, Angular, Vue.js, Ionic, React Native, Capacitor, TailwindCSS, Material UI, Bootstrap, HTML5, CSS3
Backend Development
Node.js, NestJS, Express.js, Firebase Admin SDK, MongoDB, PostgreSQL, MySQL, GraphQL, REST APIs
Mobile Development
React Native, Ionic, Capacitor – High-performance Android & iOS apps
OpenAI, Ollama, Vector Databases, LangChain, RAG, LLMs, AI Agents
Firebase Auth, Google Auth, JWT, OAuth, Stripe Integration
Testing & Quality Assurance
Unit Testing, Integration Testing, E2E Testing (Jest, Cypress, Karma, Storybook)
Dev Tools & Workflow
Git, Docker, Postman, VSCode, Jira, Figma, CI/CD, Cursor AI, Replit
💼 What I Deliver (Keyword-Dense for SEO)
✔ Fullstack Web Apps (React, Next.js, Node.js, NestJS)
✔ Mobile Apps (React Native, Ionic, Capacitor)
✔ AI-Integrated Applications (OpenAI, LangChain, Vector DBs)
✔ Secure Authentication + Stripe Payments
✔ High-Performance UI/UX with TailwindCSS & MUI
✔ RAG systems, chatbots & AI workflows
✔ Complete Testing Setup (Unit, Integration, E2E)
✔ Long-term maintenance, optimizations & refactoring
🚀 Why Clients Choose Me
🔹 Expert in React, NextJS, NodeJS, NestJS, Angular, React Native
🔹 Strong focus on performance, security & scalability
🔹 Production-level testing and automation skills
🔹 Fluent English + clear communication
🔹 Experience with startups & enterprise-level apps
🔹 Fast, reliable, and always deadline-focused
🔹 Clean, modular, maintainable codebase
🔎 Perfect Fit If You're Searching For:
✔ React Developer
✔ Next.js Developer
✔ Node.js / NestJS Backend Developer
✔ Full-Stack Developer (MERN / MEAN)
✔ React Native Mobile Developer
✔ Testing Specialist (Unit, E2E)
✔ AI Developer (Chatbots, LLMs, Vector DBs)
📩 Let’s Build Something Powerful
Whether you need a scalable web app, high-performance mobile app, or an AI-powered automation system, I bring senior-level expertise to build products that work flawlessly in production.
Message me now — let’s elevate your project together.
If you want, I can also create:
Just tell me!
Steps for completing your project
After purchasing the project, send requirements so Saad can start the project.
Delivery time starts when Saad receives requirements from you.
Saad works on your project following the steps below.
Revisions may occur after the delivery date.
Step 1
Share your requirements and if you have any design.
Step 2
Finalize the requirements and start development.