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I will revamp your b2b and b2c saas app using javascript


About this gig
I have been developing E-commerce, WordPress, and Progressive Web Applications (PWAs) for over 6 years, specializing in web service integration, scalable architecture design, and high-performance user experiences.
My Core Skills:
- WordPress (Custom Themes/Plugins), Custom Web Apps, Responsive Design.
- Shopify, WooCommerce, Stripe and PayPal Payment Gateway Integration, Product Management.
- Offline Capabilities, Push Notifications, Home Screen Install, App Shell Architecture.
- REST/GraphQL APIs, Database Management, JSON/XML handling, Third-party Integrations.
- Speed Optimization, SEO Best Practices, SSL Implementation, Data Encryption.
- Hosting Setup, Domain Management, Debugging, Ongoing Support & Updates.
- Intuitive Layouts, Animations, Seamless User Journeys.
- HTML5, CSS3, React.js, Vue.js, PHP, MySQL, Git.
Gig milestonesNEW
Choose to pay for your project per milestone by only paying when it’s time to start a new one or decide on a 1-time payment.
- Basic Package.
- 1st Milestone: Specifications2-day delivery · No revisions$100Pay now
I'll write the specifications for your site's functionality and features.
Research · Planning · Requirements - 2nd Milestone: Development5-day delivery · No revisions$200Pay later
I'll develop the website and deliver a working product for your review.
- 3rd Milestone: Content & Delivery1-day delivery · No revisions$100Pay later
I'll complete the website for delivery.
Content Upload · Delivery
These are the steps we’ll follow to complete your project.
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know Osama S.
Expert Web and App Developer Committed to Writing Reliable Code
- FromPakistan
- Member sinceJan 2020
Languages
English, Urdu
My Portfolio
FAQ
Why Are My Services Expensive?
You're paying for expert-level development, not trial-and-error. With 7+ years of iOS experience, I deliver clean architecture, scalable code, and production-ready apps — fast and efficiently. Quality, reliability, and long-term value come standard.

