š Full Stack Developer | Mobile App Developer | Android | Web Applications | API Integration | Firebase | React | Node.js | SaaS | E-commerce
I am a highly skilled Full Stack Developer and Mobile App Developer specializing in building scalable web applications, Android/iOS mobile apps, custom backend systems, and cloud-based solutions for startups, growing businesses, and enterprise clients.
Unlike standard developers, I bring a unique Biomedical Engineering background combined with expert-level Full Stack Development skillsāmeaning I understand the precision required for medical data, the architecture needed for global scale, and the code quality demanded by enterprise investors.
With strong experience in both frontend development and backend development, I deliver complete end-to-end solutions ā from UI/UX design implementation to backend architecture, API development, database design, deployment, and long-term maintenance.
If you're searching for a:
ā Full Stack Developer
ā Web Application Developer
ā React Developer
ā Node.js Developer
ā Android App Developer
ā iOS App Developer
ā Flutter Developer
ā Firebase Developer
ā API Integration Specialist
ā SaaS Application Developer
ā E-commerce Website Developer
ā Healthcare / Medical App Developer (Biomedical expertise)
ā HIPAA-Compliant App Developer
You are in the right place.
I help businesses transform ideas into secure, scalable, high-performance digital products that are optimized for performance, user experience, and future growth.
š” My Development Philosophy
I don't just write code ā I build systems that are:
ā Scalable and future-proof
ā SEO-friendly and performance optimized
ā Secure and reliable
ā Clean, maintainable, and well-structured
ā Designed with user experience in mind
Every project I build follows industry best practices including clean architecture, modular structure, secure authentication, RESTful API standards, and optimized database design.
š» Full Stack Web Development Expertise
As a Full Stack Web Developer, I create modern, responsive, fast-loading, and SEO-optimized web applications.
š¹ Frontend Development
I develop responsive and interactive user interfaces using:
JavaScript (ES6+)
TypeScript
React.js
HTML5
CSS3
Tailwind CSS
Bootstrap
Responsive Web Design
Cross-browser compatibility
Mobile-first design principles
I focus on:
Pixel-perfect UI implementation
High-performance rendering
Clean component-based architecture
Reusable and scalable code structure
SEO-friendly HTML structure
Accessibility standards (WCAG basics)
š¹ Backend Development
On the backend, I build scalable, secure, and high-performance systems using:
Node.js
Express.js
RESTful API development
JSON-based API architecture
Authentication systems (JWT, OAuth)
Role-based access control (RBAC)
Microservices architecture (if required)
I ensure:
Secure API endpoints
Proper validation and sanitization
Efficient server-side logic
Performance optimization
Error handling and logging
Scalable server architecture
š¹ Database & Data Management
Strong experience in database architecture and optimization:
SQL (MySQL, SQL Server)
NoSQL (MongoDB, Firebase Firestore)
Database schema design
Query optimization
Indexing and performance tuning
Data modeling
Secure data storage practices
I design databases that scale efficiently and handle real-time data operations smoothly.
š¹ API Integration & Third-Party Services
I integrate and develop:
RESTful APIs
Payment gateway integration (Stripe, PayPal)
Social login (Google, Facebook, Apple)
Firebase services (Auth, Firestore, Cloud Functions)
Google Maps integration
Real-time chat systems
Push notifications
Cloud storage integration
I ensure smooth data communication between frontend, backend, and third-party services.
š¹ Cloud Deployment & DevOps
CI/CD pipelines (Jenkins, GitHub Actions)
Git-based workflow (GitHub, GitLab, Bitbucket)
Production deployment
Environment configuration
Server optimization
Cloud-based architecture (AWS, Google Cloud)
Performance monitoring
š± Mobile App Development (Android Expert + Flutter)
As a professional Android App Developer and Flutter Developer, I build powerful, user-friendly, and scalable mobile applications optimized for performance and modern design standards.
I specialize in developing:
ā Business apps
ā E-commerce mobile apps
ā SaaS mobile platforms
ā Healthcare & Medical apps (Biomedical expertise)
ā HIPAA-compliant health applications
ā Real-time applications
ā Location-based apps
ā Firebase-based applications
ā API-connected mobile systems
ā Cross-platform apps (Flutter)
š¹ Android Technology Stack
Category Technologies
Languages Java, Kotlin
Architecture MVVM, MVP, Clean Architecture
Jetpack ViewModel, LiveData, Navigation, Data Binding
DI Dagger 2, Hilt
Networking Retrofit, Kotlin Flow, RxJava
Local Storage Room Database, SQLite
Firebase Authentication, Firestore, Realtime Database
Maps Google Maps SDK
Testing.
phpMyAdmin
Mobile App Development
Flutter
FlutterFlow
Node.js
Firebase
JavaScript
API Integration
Healthcare Software
SaaS Development
Biomedical Engineering
Android App Development
iOS Development
Kotlin
Payment Gateway Integration
PHP
MongoDB
REST API
MySQL
Laravel
Shomailah I.
Lahore, Pakistan
$20/hr
4.6
344 jobs
āāāāā TOP RATED PLUS on UPWORK āāāāā
ā I help ecommerce brands build, optimize, and scale Shopify and BigCommerce stores that improve conversions, streamline operations, and support long-term growth.
With over 10 years of experience, 284+ successful Upwork projects, 100% Job Success, and $100K+ earned, I've partnered with businesses of all sizes to improve store performance, streamline operations, and create better customer experiences.
Whether you need a new ecommerce store, custom development, migration, marketing automation, or ongoing support, I deliver solutions that are reliable, scalable, and focused on business growth.
My Expertise
āEcommerce Development
āBigCommerce Development & Customization
āShopify Development & Theme Customization
āShopify Plus
āWordPress & WooCommerce
āSquarespace Ecommerce
āStore Setup & Configuration
āCustom Theme Development
āResponsive Design
āPerformance & Speed Optimization
āBug Fixes & Maintenance
āPSD, Figma & Adobe XD to Shopify/BigCommerce
āEcommerce Management
āProduct Management
āBulk Product Uploads
āCatalog Management
āCollection & Category Optimization
āInventory Management
āStore Maintenance
āDomain & SSL Configuration
āWebsite Migrations
Email Marketing & Automation
āMailchimp
āKlaviyo
āKit/ConvertKit
ā Hubspot
āCustomer Journey Automation
āWelcome Series
āAbandoned Cart Recovery
āPost-Purchase Email Flows
āPromotional Campaigns
āAudience Segmentation
āCoupon & Discount Automation
Marketplace Management
āAmazon
āWalmart
āEtsy
āeBay
āGoogle Merchant Center
āMeta Commerce Manager (Facebook & Instagram Shops)
Technical Skills
āBigCommerce
āShopify
āPHP
āMySQL
āHTML5
āCSS3
āJavaScript
ājQuery
āAJAX
Why Clients Choose Me
ā 100% Job Success
ā Top Rated Plus Freelancer
ā $100K+ Earned on Upwork
ā 284+ Successfully Completed Projects
ā 15,000+ Hours Worked
ā Excellent Communication
ā Detail-Oriented Development
ā Long-Term Client Relationships
I believe in understanding your business goals before writing a single line of code. My objective is not just to complete tasks but to deliver solutions that improve your store's performance, simplify workflows, and contribute to long-term growth.
If you're looking for a dependable ecommerce professional who can manage everything from development to marketing automation, I'd be happy to discuss your project.
Let's build something great together.
phpMyAdmin
CSS 3
jQuery
WordPress
HTML
HTML5
PSD to HTML
Magento
Web Design
PHP
Ecommerce Website Development
Interspire
BigCommerce
PSD to XHTML
WooCommerce
AI Product Management
AI Development
AI Chatbot
Sami U.
Gujranwala, Pakistan
$20/hr
5.0
26 jobs
Proficient in:
š Laravel Development
š PHP Development
āļø JAVA Development
š Flutter App Development
š WooCommerce E-commerce Development
šļø MySQL | š§ PhpMyAdmin
š HTML
š» JavaScript
š” jQuery
šØ CSS
š ±ļø Bootstrap
phpMyAdmin
Laravel
PHP
WordPress
JavaScript
HTML
CSS
MySQL
React
Python
C++
Flutter
Screen Scraping
C
Java
Umad J.
Faisalabad, Pakistan
$45/hr
5.0
53 jobs
Is your website underperforming, slow, or limited by off-the-shelf solutions?
I bridge the gap between basic site-building and high-end software engineering. With 14+ years of hands-on experience and a 100% Job Success Score on Upwork, I build custom, high-performance web solutions that actually move the needle for your business.
WordPress & WooCommerce
I build WordPress sites the right way ā custom themes and plugins developed from scratch, not stitched together from bloated templates. Whether it's advanced Elementor Pro implementations, WooCommerce storefronts, performance optimization for 90+ PageSpeed scores, or malware removal and security hardening, I treat WordPress as a serious development platform, not a drag-and-drop toy.
Shopify Ecosystem
From custom public and private app development using Laravel and Node, to advanced Liquid theme engineering and Shopify 2.0 migrations, I work deep inside the Shopify stack. I also handle complex API integrations connecting Shopify with ERPs, CRMs, and external databases ā the kind of work that off-the-shelf apps simply cannot do.
Laravel & Custom Web Applications
When a project outgrows WordPress or Shopify, I build it from the ground up in Laravel. Complex API development, scalable database architecture, custom dashboards, and full-stack applications ā I architect and build systems designed to grow with your business.
Why clients keep coming back:
I write clean, documented, maintainable code. I communicate clearly and consistently ā you work directly with the engineer, not a middleman. I have evolved with the web across 14 years, from legacy CMS platforms to modern Laravel and Shopify stacks. And I do not just fix problems ā I improve speed, security, and conversions so your site actually performs better after every engagement.
Ready to talk? Click "Invite" or "Hire" and let's discuss your project. I am happy to start with a quick technical audit of your current setup.
phpMyAdmin
WordPress
WordPress Security
Shopify
Laravel
Elementor
Joomla
Java
JavaScript
PHP
OpenCart
Google Web Toolkit
CodeIgniter
Web Development
Munaza K.
Lahore, Pakistan
$35/hr
4.9
41 jobs
Top-Rated PHP & WordPress Developer | 15+ Years | CodeIgniter | osCommerce | MySQL | APIs
ā Top Rated Upwork Developer
š 100% Job Success Score
š» 15+ Years of Professional Web Development Experience
Iām a senior PHP and full-stack web developer specializing in building, fixing, modernizing, and maintaining reliable web applications and eCommerce websites.
Over the past 15+ years, Iāve worked with clients worldwide on everything from custom PHP development and WordPress solutions to complex legacy systems, API integrations, payment gateways, and eCommerce platforms.
My core expertise includes:
PHP: PHP 5, 7 & 8, custom PHP applications, debugging & optimization
WordPress: Custom themes, plugins, WooCommerce, Elementor, troubleshooting & performance optimization
CodeIgniter: Custom applications, admin panels, APIs & database-driven systems
osCommerce: Customization, upgrades, payment/shipping modules & legacy system modernization
Frontend: HTML5, CSS3, JavaScript, jQuery, AJAX & responsive development
Databases: MySQL / MariaDB, database optimization & migrations
APIs & Integrations: REST APIs, JSON, SOAP/XML, third-party services & payment gateways
eCommerce: WooCommerce, osCommerce, OpenCart and custom eCommerce solutions
Legacy Systems: Upgrading and modernizing older PHP applications without disrupting existing business operations
Iām particularly strong at stepping into existing or complex websites, understanding the codebase quickly, diagnosing problems, and delivering clean solutions without unnecessary rewrites.
Clients value me for reliable communication, attention to detail, problem-solving, clean code, and on-time delivery.
Whether you need a long-term developer or an experienced PHP specialist to fix a difficult issue, modernize an existing system, integrate an API, or build a custom solution, Iād be happy to help.
Letās discuss your project and find the right solution.
jQuery
CSS
HTML
WordPress
PHP
BigCommerce
Shopify
osCommerce
OpenCart
WordPress e-Commerce
Smarty
CodeIgniter
Ecommerce Website Development
Muhammad A.
Burewala, Pakistan
$10/hr
4.8
74 jobs
š 15+ Years in development. š 4.5+ Stars Rating š Top Rated Freelancer
š 50+ Successful Projects
š 2500+ Hours worked on Upwork
š 100% Satisfied clients
š 100% Recommendation Ratio
š 100% Job Success Rate
š 89% Repeated Clients.
Over the last 15 years, I have developed a wide range of Websites, Web apps, Custom CMS and CRM systems using PHP, MySQL, WordPress, jQuery, HTML5, CSS3, Bootstrap, JavaScript, JSON, AJAX, and including sites for startup companies and large businesses. My core competency lies in the complete end-end management of a new website development cycle.
I have expertise and experience in the following areas:
ā PHP
ā MySQL
ā jQuery
ā WordPress
ā WordPress Migration
ā Google API
ā Google Map API
ā Twitter API
ā Laravel
ā CMS
ā CRM
ā PayPal
ā Authorize.net
ā Social Networking Development
ā Scraping
ā Crawling
ā Mailchimp
ā eBay
ā Amazon
ā PDF
ā DataTables
ā Forms
ā Bootstrap
ā CSS3
ā HTML5
ā OpenCart
ā Contact Form
ā PrestaShop
ā Shopify
I prefer to develop web applications, websites, social networks, e-commerce systems, adaptive systems. I can provide a CMS for any business to allow you to update, delete and add all of the pages of your website.
I have been working as a full-time freelancer for the last 15+ years. I have completed Bachelor in Computer Science (BCS ).
I guarantee 100% satisfaction! So you can trust my skills. I can play an essential role in the success of your project or business. I believe that the world needs more great web applications, and this is just the beginning!
jQuery
WordPress
Bootstrap
Web Application
CSS 3
Content Management System
XHTML
React
Web Development
MySQL
PHP
API Development
Laravel
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