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Full-Stack Developer · Lahore, Pakistan

Full-Stack Developer building SaaS platforms, AI tools & browser extensions.

I build and ship production web applications, SaaS platforms, and browser extensions using Next.js, React, Laravel, Node.js, MongoDB, and JavaScript — from scalable backend architectures and REST APIs to polished, high-performance product interfaces.

Core Stack:Next.jsReactLaravelMERN StackPHPMySQLChrome MV3Tailwind
engineer.config
Production Ready
Muhammad Usman — Full-Stack Developer specializing in Next.js, React, Laravel, and Chrome extensions
Muhammad UsmanOpen for Work

5+ Apps

Live Projects

8+ Live

Extensions

1.5+ Yrs

Experience

Lahore, Pakistan · UTC+5musmanidrees08@gmail.com
Explore Engineering Work
1.5+yrs

Production Experience

Shipping Next.js, MERN & Laravel web platforms

5+live

Live Web & SaaS Platforms

Client & personal production applications running in production

8+live

Browser Extensions Shipped

Manifest V3 extensions live on Chrome Web Store

1,000+/mo

Monthly PDF Conversions

Handled through high-performance file workflows

~40%speedup

Query Performance Gain

Achieved via database indexing & query optimization

01Specialization

What I Build & Ship.

Core product disciplines spanning modern Next.js/React apps, MERN full-stack, Laravel platforms, AI workflows, and browser-level utilities.

01

SaaS & Web Applications

Scalable Next.js, MERN & Laravel platforms

End-to-end web applications with robust authentication, role-based workflows, REST APIs, MongoDB/MySQL schemas, and responsive user interfaces.

Technologies

Next.jsReactNode.jsMongoDBLaravelMySQLREST APIsTailwind CSS

Example: Prospetra, PDFToolBox & CV Builder

02

AI-Powered Products

Productivity & document intelligence

Intelligent workflows that integrate LLMs for document interrogation, automated cover letter/proposal generation, and smart research assistance.

Technologies

LLM WorkflowsChrome MV3ReactNext.jsPrompt EngineeringJSON Pipelines

Example: ApplyFlow AI & AskFiles AI

03

Chrome Extensions

Manifest V3 browser automation

Production-grade browser products leveraging background service workers, content script DOM manipulation, Chrome storage, and cross-context messaging.

Technologies

Manifest V3Service WorkersContent ScriptsReactChrome APIs

Example: CapturePDF & CompareLens AI

04

Document Processing Systems

High-throughput file transformation

Secure PDF manipulation engines for merging, splitting, converting, and compressing files with SHA-256 encryption, temp storage, and 24h auto-deletion.

Technologies

PHPLaravel ServicesNode.js StreamsSHA-256Cron Cleanup

Example: PDFToolBox & SwitchDoc

02.1Featured Work

Web Applications & SaaS Platforms.

Live client and personal production systems built with Next.js, React, and Laravel with explicit engineering contributions and architecture breakdowns.

Prospetra website interface displaying modern hero section and B2B features
Live Platform
Live

Project 01

Live Project

Prospetra

Modern High-Converting B2B & Lead Generation Platform

A high-converting live B2B platform engineered with modern Next.js and React, featuring dynamic animations, fast page loads, responsive layouts, and seamless user conversion funnels.

My Role: Full-Stack Developer
Contribution: Full-Stack Development · Next.js & React Architecture · Responsive UI Engineering · SEO & Performance Optimization
Result: Live Production Platform · 95+ Lighthouse Score · Ultra-responsive design
Next.jsReactJavaScriptTailwind CSSREST APIsModern UI/UX
Visit Site
Halvex Group corporate website interface showcasing industrial capabilities and corporate design
Client Project
Live Client Site

Project 02

Client Project

Halvex Group

Enterprise Corporate & Industrial Solutions Platform

A full-scale corporate web platform built for Halvex Group, presenting industrial solutions, service portfolios, inquiry channels, and corporate governance with enterprise-grade stability.

My Role: Full-Stack Developer (Client Project)
Contribution: Client Requirements Translation · Full-Stack Implementation · Responsive System Architecture · Production Deployment
Result: Live Enterprise Client Platform · Deployed & Actively Maintained
ReactNext.jsPHPTailwind CSSREST APIsResponsive Design
Visit Site
PDFToolBox website interface featuring PDF conversion tools and drag-and-drop workspace
SaaS Application
Live

Project 03

Production Platform

PDFToolBox

Production Document Processing SaaS Platform

A full-stack PDF processing SaaS engineered to handle merging, splitting, compression, format conversion, and document protection with zero data retention risk.

My Role: Full-Stack Developer
Contribution: Backend Architecture · Service Layer Design · File Encryption · 24h Auto-Cleanup · UI Implementation
Result: 1,000+ monthly conversions · 50% code duplication reduction
LaravelPHPBladeMySQLSHA-256REST APIsTailwind CSS
Visit Site
CV Builder platform showing resume templates and live interactive editing canvas
Web Platform
Live

Project 04

Production Platform

CV Builder

ATS-Friendly Career & Resume Engineering Platform

A production career platform for building ATS-compliant resumes with real-time dynamic preview, custom templates, and structured JSON-to-PDF export.

My Role: Full-Stack Developer
Contribution: Legacy Tooling Upgrade to Vite · Laravel 9 to Laravel 12 Migration · Next.js & React Refactor · Tailwind CSS Overhaul
Result: Laravel 9 → 12 Migration · Vite Build Upgrade · Complete UI/UX Overhaul
Next.jsReactLaravel 12ViteTailwind CSSREST APIsMySQL
Visit Site
Toolscase platform homepage showing suite of web tools, PDF utilities, and extensions
Ecosystem Platform
Live

Project 05

Production Platform

Toolscase Ecosystem

Modular Web Utility & Productivity Platform

A high-capacity digital utility hub integrating 108 total PDF tools (with 75+ custom tools engineered by me), 35+ browser tools, career utilities, and 8 live Chrome extensions into a unified architecture.

My Role: Full-Stack Developer
Contribution: Modular Architecture · 75+ Custom Tools Built by Me · 108 Total PDF Tools Suite · 35+ Browser Tools · Middleware Auth
Result: 108 PDF Tools (75+ built by me) · 35+ Browser Tools · 8 Extensions
Next.jsReactLaravelPHPMySQLREST APIsDynamic Routing
Visit Site

Also actively building new projects in Next.js, MERN Stack & Laravel — open to new opportunities.

Looking for browser-level automation & AI tools?

Explore 8+ live Manifest V3 Chrome extensions built with content scripts, background workers, and AI pipelines.

Explore Extensions

03Browser Products

8+ Manifest V3 Extensions Shipped.

Production browser utilities built with background service workers, content script DOM injection, client-side document processing, and modern React interfaces.

Showing 8 of 8 extensions

AI Tools
Live Store
ApplyFlow AI Chrome extension generating customized job proposals and ATS analysis

ApplyFlow AI

ApplyFlowAI — AI Proposal, Cover Letter & ATS Tool

AI-driven freelance proposal writer, tailored cover letter generator, and resume ATS scanner optimized for Upwork, Fiverr, LinkedIn, and job boards.

Manifest V3 Architecture

DOM scraping content scripts, streaming AI response parsing, encrypted local API key storage.

Chrome MV3ReactAI Workflows
Chrome Store
AI Tools
Live Store
AskFiles AI Chrome extension interface chatting with uploaded PDF and CSV documents

AskFiles AI

AskFiles AI — Chat with PDF, CSV & Excel

Chat directly with PDF, CSV, and Excel files inside the browser. Extract insights, summarize lengthy documents, and receive cited answers instantly.

Manifest V3 Architecture

Client-side document chunking, prompt pipeline, zero external payload storage.

Chrome MV3AI Document ParserReact
Chrome Store
AI Tools
Live Store
CompareLens AI Chrome extension comparing product specifications and prices

CompareLens AI

CompareLens — Smart Product Comparison & Best Price

Intelligent e-commerce product comparison tool that scans specifications, reviews, seller credibility, and prices across Amazon, eBay, AliExpress, and Daraz.

Manifest V3 Architecture

Cross-store DOM schema extractors, pricing delta algorithms, unobtrusive side-panel UI.

Chrome MV3E-commerce DOM ParserAI Extraction
Chrome Store
Document & PDF
Live Store
CapturePDF Chrome extension converting active web pages to PDF documents

CapturePDF

CapturePDF — Web Page to PDF & Scrolling Screenshot

Convert entire web pages to vector PDFs, capture full-page scrolling screenshots, strip ad clutter, and compress outputs with one click.

Manifest V3 Architecture

Automated scroll-and-stitch canvas engine, CSS print stylesheet overrides, client-side compression.

Chrome MV3Chrome Tab Capture APIPDF Pipeline
Chrome Store
Document & PDF
Live Store
Toolscase PDF Tools extension interface with document conversion actions

Toolscase PDF Tools

Toolscase PDF Tools — In-Browser Document Workspace

Quick-access browser utility for merging, splitting, compressing, password-protecting, and converting PDF documents directly from the toolbar.

Manifest V3 Architecture

Lightweight popup client paired with secure Toolscase backend API integration.

Chrome MV3ReactPDF Workflows
Chrome Store
Document & PDF
Live Store
SwitchDoc Chrome extension interface for batch converting Office documents

SwitchDoc

SwitchDoc — Word, Excel & PPT to PDF Converter

High-speed batch converter for Microsoft Office documents to PDF and vice versa with precision formatting preservation.

Manifest V3 Architecture

Multi-file asynchronous queue with live conversion status listeners.

Chrome MV3Batch ConversionDocument Format Parsers
Chrome Store
Productivity & Utilities
Live Store
PixGrab extension interface for batch downloading website images

PixGrab

PixGrab — Image Downloader, WebP Converter & ZIP Export

Extract all images from any webpage, filter by dimension and format, convert WebP to JPG/PNG, and export collections in organized ZIP archives.

Manifest V3 Architecture

Deep image DOM scanning, JSZip in-memory archiving, batch file downloads.

Chrome MV3DOM Asset ScraperZIP Packaging
Chrome Store
Productivity & Utilities
Live Store
FocusPulse AI dashboard displaying screen time charts and productivity coach insights

FocusPulse AI

FocusPulse AI — Screen Time Tracker & Focus Coach

AI-assisted productivity tracker. Monitors active tab usage, flags distracting browsing patterns, sets custom domain limits, and suggests focus breaks.

Manifest V3 Architecture

Low-overhead tab activity monitor running in background service worker with IndexedDB analytics.

Chrome MV3Web Navigation APIAlarms API
Chrome Store

01 / Manifest V3 Standard

Engineered using strict Declarative Net Request rules, lightweight background service workers, and CSP-compliant script injection.

02 / Privacy by Design

Zero telemetry collection, client-side document processing, and temporary storage with zero external payload caching.

03 / React & Tailored UI

High-performance popups and side-panels styled with Tailwind CSS, supporting dark modes and smooth keyboard navigation.

02Career & Track Record

Professional Experience.

Real responsibilities, measurable database optimizations, and production deliverables built in agile engineering teams.

Full-Stack Web Developer

Devonsite

Lahore, Pakistan · Full-time

Jun 2025 — Present

Architect and ship production Laravel web applications, design secure database schemas, optimize backend query bottlenecks, and build high-performance React frontends within a 4-person engineering team.

Key Responsibilities & Deliverables:

Architected and deployed 5+ production web platforms (Next.js, React, Laravel) with encrypted file storage and automated cleanup workflows.
Designed MySQL and MongoDB databases with normalized schemas and strategic composite indexing, optimizing multiple slow queries to reduce response times by ~40% on large datasets.
Applied MVC architecture and modular Next.js API routes with decoupled service layers to ensure maintainability, rapid debugging, and seamless feature expansion.
Engineered multi-tenant authentication and granular Role-Based Access Control (RBAC) across core client deliverables.
Shipped 8+ production Manifest V3 browser extensions with dedicated backend integrations.
Collaborated actively using Git and Bitbucket branching workflows to deliver complex milestones ahead of schedule.

Measurable Impact

  • 5+ Production Web & SaaS platforms architected, built, and shipped
  • 75+ Custom PDF & web utility tools engineered within 108 tool suite
  • ~40% Query response time optimization on large datasets
  • 8+ Live browser extensions built and published

Technologies Used

Next.jsReactLaravelPHPNode.jsMongoDBMySQLREST APIsRBACChrome MV3Git

Bachelor of Science in Computer Science (BS CS)

National College of Business Administration & Economics (NCBA&E) · Lahore, Pakistan

CGPA 3.64 / 4.0Nov 2020 — Nov 2024

Academic Specializations

Software Engineering & ArchitectureRelational Database Management Systems (RDBMS)Web Security & Cryptographic WorkflowsData Structures & Algorithms

00Background & Philosophy

Engineering that makes complicated workflows feel effortless.

I am a Full-Stack Web Developer with 1.5+ years of production experience delivering secure web platforms, modern Next.js and MERN stack applications, high-throughput document processing engines, REST APIs, and browser extensions.

At Devonsite, I architect and deploy production Laravel applications, design optimized MySQL database schemas with strategic indexing (reducing slow query response times by ~40%), implement multi-tenant RBAC permissions, and build high-performance React frontends.

Across client and personal platforms like Prospetra, Halvex Group, and the Toolscase ecosystem, I build modern responsive interfaces and 8+ live Chrome extensions trusted by real users daily.

Engineering Profile

Based in
Lahore, Punjab, Pakistan
Current Role
Full-Stack Web Developer
Core Stack
Next.js · React · MERN · Laravel
Education
BS Computer Science (3.64 CGPA)
Availability
Available for full-time roles & select freelance projects

04Technical Competence

Technical Stack & Engineering Depth.

Core technologies spanning modern Next.js/React frontends, MERN stack, Laravel backends, and browser extension ecosystems.

Primary Core Stack (Daily Production Use)

Core Competencies
Next.js
React FrameworkCore Production
React
Frontend UICore Production
Laravel
Backend FrameworkCore Production
Node.js & Express
Backend RuntimeCore Production
MongoDB
MERN NoSQLCore Production
MySQL
RDBMS & IndexingCore Production
JavaScript (ES6+)
LanguageCore Production
PHP
Server LanguageCore Production
Tailwind CSS
Modern StylingCore Production
Chrome MV3
Browser ExtensionsCore Production
REST APIs
API ArchitectureCore Production

Engineering Patterns & Architecture

Deep Systems
Pattern 01

Next.js & React SSR/CSR Architecture

Building ultra-fast modern web applications with server-side rendering, static site generation, responsive state management, and optimized asset delivery.

Pattern 02

MVC & Service Layer Architecture

Separating business logic from controllers into testable, reusable service classes, reducing code duplication by up to 50%.

Pattern 03

Database Indexing & Query Tuning

Identifying slow queries through execution plans, restructuring JOINs, and applying composite indexes to reduce query latency by ~40%.

Pattern 04

Manifest V3 Extension Engineering

Building production browser extensions using background service workers, content script DOM injection, and secure Chrome storage.

Secondary & Supporting Technologies

MERN Stack(Full-Stack System)Blade Templates(SSR Templating)HTML5 / CSS3(Web Core)Bootstrap(UI System)Vite(Build Tooling)Git / GitHub / Bitbucket(Version Control)Postman(API Testing)

Developer & AI Tooling

Cursor / Copilot

AI Assisted Engineering

Postman

API Testing & Documentation

Git / Bitbucket

Team Version Control

Vite & Webpack

Frontend Tooling

05Production Resilience

Security & Reliability Standards.

Concrete architectural decisions implemented across production systems to safeguard data privacy, isolate tenant boundaries, and guarantee high availability.

SHA-256 Encrypted Temp Storage

All uploaded and processed documents are assigned cryptographic hashes with zero predictable file naming.

Standard 01

24-Hour Automated Cleanup

Background scheduled tasks guarantee all temporary processing artifacts are permanently removed within 24 hours.

Standard 02

Role-Based Access Control (RBAC)

Fine-grained permission gates implemented via middleware to isolate tenant resources and protect privileged routes.

Standard 03

API Rate Limiting & Validation

Strict payload sanitization, MIME-type enforcement, and token bucket rate limiters protecting against abuse.

Standard 04

Database Query Optimization

Preventing N+1 queries, normalizing data models, and indexing foreign keys to handle high concurrent traffic.

Standard 05

06Engineering Lifecycle

How I Work & Deliver.

A structured, repeatable engineering process that bridges product ambiguity with disciplined delivery.

01Understand

Deconstruct the Problem

Clarify business constraints, user workflows, data inputs, performance expectations, and security requirements before touching code.

02Plan

Architect the Foundation

Define database schemas, index strategies, API contracts, modular service boundaries, and state management flow.

03Build

Engineer the Product

Implement robust backend services, secure REST endpoints, and polished, accessible React/Tailwind interfaces.

04Test

Verify & Optimize

Audit slow queries, test edge-case inputs, verify authorization boundaries, validate cross-browser responsiveness, and optimize bundle size.

05Ship

Deploy & Maintain

Deploy to production environments, configure monitoring and automated cleanup cron schedules, and iterate from real user feedback.

07Code & Open Source

Code & Engineering Practice.

Production Systems (Proprietary)

Client SaaS applications and enterprise platforms (including PDFToolBox & CV Builder backend) are maintained in private Bitbucket and GitHub enterprise repositories under NDA.

Browser Extensions & Tooling

Explore Manifest V3 extension architectures, client-side document parsers, scraping scripts, and UI components across my public repositories.

Clean Git & CI/CD Discipline

Practicing atomic semantic commits, feature branching, rigorous PR reviews, and automated linting across both personal and team environments.

08Client & Freelance Services

Need a SaaS, web app, or browser extension built?

Available for full-time engineering positions, technical contract engagements, and end-to-end product architecture.

01

Next.js & React Frontend Engineering

Building responsive, modern, ultra-fast web frontends with clean state management, modern animations, and accessible UI/UX.

Production Grade
02

Laravel & SaaS Engineering

Architecting scalable web applications, multi-tenant databases, authentication, dashboards, and custom backend business logic.

Production Grade
03

MERN Stack & Node.js Development

Developing end-to-end full-stack applications with MongoDB, Express.js, React, and Node.js REST APIs.

Production Grade
04

Chrome Extension Development (MV3)

Developing production Manifest V3 browser tools for workflow automation, AI assistance, DOM scraping, and document utilities.

Production Grade
05

PDF & Document Processing Systems

Building automated document conversion, merging, splitting, watermarking, and secure file handling workflows.

Production Grade
06

Database Optimization & Tuning

Diagnosing slow MySQL/MongoDB queries, designing normalized schemas, and implementing indexing strategies for ~40% latency reduction.

Production Grade

Have a project or opportunity in mind?

Let's discuss scope, technical feasibility, timeline, and how I can help bring your software product to life.

09Direct Communication

Let's Build Something Reliable.

Whether you are hiring for a full-stack engineer role, need technical architecture for a new SaaS, or want a custom Chrome extension engineered, I am available to talk.

Primary Email

musmanidrees08@gmail.com

Location

Lahore, Punjab, Pakistan

Phone

+92 3096134235

Profiles & Credentials