Are you looking to build a high-performance software application from scratch? Or do you need a seasoned technical leader who can effortlessly bridge the gap between complex backend architecture and a highly responsive, visual frontend?
With over 13 years of enterprise-level experience, I specialize in taking web systems from a blank canvas all the way to a polished, production-ready end product.
Technologies & Frameworks Working Experience (Backend + Front-End)
Java
Spring Boot
Micro-Services
REST API
MySQL
DynamoDB
MongoDB
Angular 4
Tailwind CSS
Svelte 5 + SvelteKit
D3.js
Fabric.js
Dynamic SVG Rendering
AWS Cloud Infrastructure (EC2 , ECS , Cloudwatch , Cloudformation , S3 , Lambda , Amplify , Route53 , VPC , Load Balancing , ASGs)
Git (Code Managment)
Development of Data-Rich Interfaces
Whether you are launching a new platform from the ground up or modernizing an existing legacy ecosystem, I bring the technical depth, execution speed, and architectural oversight needed to ensure success.
JavaScript
Java
Web Development
D3.js
Svelte
Spring Boot
Data Visualization
Interactive Data Visualization
Data Analytics & Visualization Software
Technical Writing
Blog Writing
Product Development
Tailwind CSS
MySQL
MongoDB
AWS CloudFormation
AWS Amplify
AWS Lambda
Amazon EC2
Amazon ECS
Khawaja J.
Faisalabad, Pakistan
$20/hr
4.9
18 jobs
Thank you so much for viewing my profile.
I am Khawaja Jibran, Computer Science Graduate. I have 12+ years of experience in Web application development using languages PHP, HTML5, CSS3, Jquery, Javascript, AJAX and REST API's.
I am creating Web Applications for past 12 years and have provided elegant solutions to my clients using PHP, YII, LARAVEL, Wordpress, Magento. I can also work in C# and asp.net.
I am full stack developer who can create a complete web application from scratch. I face no problem in writing custom API's or integrating the API's from 3rd party network.
I have also been working on video editing for the past few years and have produced and edited content of many niches for different platforms.
I have been associated with Matrixsol for past few years and here i have been managing the Data Entry automatic solution.
Looking forward to work with you
HTML5
CSS 3
Adobe Photoshop
Responsive Design
Website Redesign
Website
PSD to HTML
Web Development
Yii
MySQL
Adobe Illustrator
MVC Framework
PHP
Data Entry
Custom PHP
Video Editing
Video Animation
Abdul Razzaque K.
Karachi, Pakistan
$15/hr
4.6
134 jobs
๐ข ๐๐๐ฎ๐ถ๐น๐ฎ๐ฏ๐น๐ฒ ๐ก๐ผ๐
โญ Top Rated โ Top 10% Talent on Upwork
โ 7+ Years of Professional Experience
โ 110+ Projects Successfully Completed
๐ Transforming Ideas into High-Converting Digital Experiences
๐ Hi, I'm Abdul Razzaque. I donโt just build websites; I build digital assets that drive revenue. With over 7 years of experience and a portfolio of 110+ successful projects, I specialize in crafting lightning-fast, visually stunning, and conversion-optimized web solutionsโfrom pixel-perfect Front-End interfaces to fully customized WordPress ecosystems.
I bridge the gap between design and functionality. Whether you are a startup looking for a compelling MVP, a business needing a complex API integration, or an agency requiring white-label development, I deliver clean, scalable code that stands the test of time.
๐ ๐ ๐ ๐๐ฒ๐๐ฒ๐น๐ผ๐ฝ๐บ๐ฒ๐ป๐ ๐๐ฟ๐๐ฒ๐ป๐ฎ๐น & ๐๐ ๐ฝ๐ฒ๐ฟ๐๐ถ๐๐ฒ
๐๐ฟ๐ผ๐ป๐-๐๐ป๐ฑ ๐๐ฟ๐ฎ๐ณ๐๐๐บ๐ฎ๐ป๐๐ต๐ถ๐ฝ:
โ Pixel-Perfect Conversion: Figma/PSD/XD โ HTML/CSS (100% responsive).
โ Modern Frameworks: HTML5, CSS3, Tailwind CSS, SCSS, and React.js.
โ Performance Fanatic: 90+ Google PageSpeed Scores & SEO-friendly structure.
๐ช๐ผ๐ฟ๐ฑ๐ฃ๐ฟ๐ฒ๐๐ ๐ ๐ฎ๐๐๐ฒ๐ฟ๐:
โ Custom Development: Bespoke themes & plugins (not just drag-and-drop).
โ Page Builders: Advanced customization for Elementor & other builders.
โ PHP Backend: Custom post types, hooks, filters, and database optimization.
๐๐๐น๐น-๐ฆ๐๐ฎ๐ฐ๐ธ & ๐๐ป๐๐ฒ๐ด๐ฟ๐ฎ๐๐ถ๐ผ๐ป๐:
โ API Wiz: Seamless REST API integrations (CRM, Marketing tools, etc.).
โ Payment Gateways: Stripe, PayPal, and subscription-based solutions.
โ Web Applications: Custom PHP/React.js applications tailored to your workflow.
๐ก ๐ช๐ต๐ ๐ฌ๐ผ๐๐ฟ ๐ฃ๐ฟ๐ผ๐ท๐ฒ๐ฐ๐ ๐ก๐ฒ๐ฒ๐ฑ๐ ๐ฎ "๐๐ฒ๐๐ฒ๐น๐ผ๐ฝ๐ฒ๐ฟ + ๐๐ผ๐ป๐๐๐น๐๐ฎ๐ป๐"
I treat your business goals as my own. I donโt just write code; I ask "why?" to ensure the final product solves real problems. Here is what you get when you hire me:
๐ฅ๐ฒ๐น๐ถ๐ฎ๐ฏ๐ถ๐น๐ถ๐๐ & ๐ฆ๐ฝ๐ฒ๐ฒ๐ฑ: I thrive on clear communication and hitting deadlines, no matter the time zone.
๐๐ด๐ถ๐น๐ฒ ๐ฃ๐ฟ๐ผ๐ฏ๐น๐ฒ๐บ ๐ฆ๐ผ๐น๐๐ฒ๐ฟ: I work autonomously to find solutions, not just report bugs.
๐๐ผ๐ป๐ด-๐ง๐ฒ๐ฟ๐บ ๐ฃ๐ฎ๐ฟ๐๐ป๐ฒ๐ฟ: I build maintainable code so you can easily scale in the future without starting from scratch.
๐ญ๐ฒ๐ฟ๐ผ ๐๐ฎ๐ฟ๐ด๐ผ๐ป: I translate complex tech into simple business terms, keeping you in control.
๐ ๐ฆ๐ฒ๐ฟ๐๐ถ๐ฐ๐ฒ๐ ๐ง๐ต๐ฎ๐ ๐๐ฒ๐น๐ถ๐๐ฒ๐ฟ ๐ฅ๐ฒ๐๐๐น๐๐
New Projects: Full website builds from scratch (Landing Pages, Brochure Sites, E-commerce).
Design to Code: Transforming design files into fully functional, interactive websites.
WordPress Revamps: Fixing bugs, updating legacy code, and migrating sites.
Custom Features: Building specific functionalities (Booking systems, Dashboards, Calculators).
The "Fix It" Service: Taking over messy projects and bringing them back to life.
๐ฃ๏ธ ๐๐ฒ๐โ๐ ๐ง๐ฎ๐น๐ธ
I understand that starting a project can feel overwhelming. Message me with a brief description of your idea, and I will get back to you within 2 hours with actionable insights on how to approach it.
Letโs build something exceptional, code by code.
Best regards,
Abdul Razzaque
Web Developer | Front-End Architect | WordPress Specialist
--------------------------------------------------------------------------------------------------------------
๐๐๐ฌ๐ช๐ข๐ฅ๐๐ฆ: Front End Developer, HTML5, CSS3, HTML CSS Developer, Responsive Web Design, Figma to HTML, Figma to WordPress, Figma to Elementor, HTML to WordPress, PSD to HTML, PSD to WordPress, WordPress Developer, WordPress Front End Developer, WordPress Website Design, WordPress Elementor, Elementor Expert, Elementor Pro, WordPress Theme Customization, WordPress Customization, WordPress Landing Page, Landing Page Developer, Website Redesign, Website Designer, Website Development, Custom Website Development, Pixel Perfect Design, UI Implementation, Figma Design Conversion, Bootstrap Developer, JavaScript Developer, Tailwind CSS, WooCommerce Developer, WordPress Bug Fix, WordPress CSS Customization, WordPress Speed Optimization, Custom WordPress Development, Responsive Website Development, Frontend Web Development, React Front End Developer, SaaS Landing Page Developer, Business Website Development.
HTML
HTML5
CSS
HTML5 Canvas
CSS 3
PSD to HTML
Conversion to HTML
XD to HTML
Tailwind CSS
Bootstrap
JavaScript
React
WordPress
PHP
Web Development
Front-End Development
Web Design
Responsive Design
Landing Page
Figma
Zaheer A.
Karachi, Pakistan
$20/hr
5.0
259 jobs
As I have more than 14 years of experience in HTML/CSS/JS, I can code your PSD/SKETCH/FIGMA/PDF/AI/JPG/PNG, etc. designs into fully validated, pixel-perfect, responsive, and easy-to-readable HTML/CSS/JS code which will work perfectly on every single device regardless of screen resolution.
Here is what best describes my code:
- HTML5 and CSS3 ready
- Loads faster
- Optimised Images
- Hand-coded, Clean, Short-handed
- Fully Responsive Code
- Fully W3C compliant
- SEO friendly, well structured, and commented
- Cross-browser optimization
- Cross-platform compatible
Don't forget to read my other clients' reviews.
jQuery
JavaScript
CSS
XHTML
PHP
Anabia S.
Karachi, Pakistan
$35/hr
4.9
150 jobs
Hi! ๐
Iโm a professional Fillable PDF Form Specialist and Graphic Designer with 10+ years of hands-on experience creating interactive, dynamic, and fully functional PDF forms using Adobe Acrobat Pro, InDesign, Illustrator, and Adobe LiveCycle Designer.
I help businesses, consultants, and organizations transform static documents into smart, user-friendly, and professionally branded fillable PDFsโfrom simple form edits to advanced automation with JavaScript.
If your form must look great, work flawlessly, and save time, youโre in the right place.
๐ง My Core Services
โ Custom Fillable PDF Forms
Text fields, checkboxes, radio buttons, dropdowns, digital signatures
โ Advanced Interactive PDF Forms (JavaScript)
Auto-calculations, conditional logic, validations, show/hide fields
โ PDF Editing, Fixing & Troubleshooting
Broken fields, alignment issues, calculation errors, form optimization
โ Adobe LiveCycle Designer Forms
XFA forms, conversions, enterprise-level PDF solutions
โ Graphic Design for Business Documents
Brochures, flyers, posters, business cards, branded templates
โ Workbooks, Journals & Professional Documents
Optimized for print + digital, clean layout, easy usability
๐ Why Clients Hire Me
โ 10+ years of proven experience
โ Pixel-perfect & professional results
โ Fast turnaround & on-time delivery
โ Clear, responsive communication
โ Forms optimized for usability, branding & accuracy
I donโt just make forms fillableโI make them efficient, intuitive, and professional.
Adobe Illustrator
Adobe InDesign
Adobe Acrobat
Adobe Photoshop
Flyer Design
Graphic Design
Social Media Design
PDF
JavaScript
Form Development
Adobe LiveCycle
Khurram S.
Islamabad, Pakistan
$35/hr
4.9
30 jobs
If you are looking for a developer who can take complete technical ownership of your systemโfrom database architecture to secure AI integrationโI am here to help.
I specialize in building multi-tenant SaaS platforms, modernizing backend codebases, and safely integrating AI/LLM agents into existing databases.
On Upwork, my business is built on long-term trust. My average client relationship lasts 2 to 4 years because I focus on writing clean, scalable code that reduces your API bills and technical debt.
---
### ๐ RECENT HIGH-IMPACT DELIVERABLES
1. Secure Text-to-SQL AI Assistant
- Built a secure Text-to-SQL query generation engine using LangChain Expression Language (LCEL) and PyMySQL deployed on AWS Lambda.
- Hardened security by implementing dynamic query parsing to prevent SQL injection and cross-tenant data leaks.
- Synchronized AI logic with enterprise backend constants (Java constants for open/closed invoices, freight logic, and cost analysis).
2. SaaS Architecture & Multi-Tenancy
- Refactored a monolithic backend into a multi-tenant SaaS platform with shared-database partitioning.
- Implemented dynamic host/subdomain routing middleware using AsyncLocalStorage for thread-scoped tenant isolation.
- Built dynamic frontend branding injection systems and administrative super-consoles.
3. Resilient API & Batch Processing Pipelines
- Engineered a local OCR (Tesseract) + Groq LLM pipeline to process thousands of book pages, bypassing expensive cloud APIs.
- Built rate-limiting guardrails (TPM/RPM pacing) and a stateful auto-resume CSV engine to prevent data loss on API crashes.
- Integrated eBay SDK & Polk SOAP APIs with self-healing OAuth token renewal loops.
---
### ๐ ๏ธ TECHNICAL MATRIX
- Languages: Java (Spring Boot 3, Hibernate), C#/.NET, Kotlin, Node.js, Python
- AI/Data: LangChain (LCEL), OpenAI/Gemini APIs, PyMySQL, Vector DBs, Elasticsearch
- Frontend: React (Redux, Vite), Vue.js, WPF/XAML, Bootstrap 5 (RTL layout)
- Cloud & DevOps: AWS (Lambda, S3, EC2, SQS), Docker, CI/CD, Nginx reverse proxy
---
If you have a complex system that needs stabilization, or a database you want to supercharge with safe, production-ready AI tools, click the "Invite" button to start a conversation.
Adobe Flex
AWS Amplify
React
Spring Boot
Vue.js
Kotlin
Java
PostgreSQL
Vuetify
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