Muhammad Osama R.

Full Stack Developer | MERN Stack Developer | PERN Stack Developer | React | Next.js | Node.js | NestJS | Shopify | Acumatica ERP Developer With over 6 years of experience in Full Stack JavaScript Development with TypeScript, I specialize in React, Next.js, Node.js, NestJS, Shopify and Acumatica ERP. As a Software Engineer Graduate in 2020, I have worked across various client projects and product teams, and delivered scalable web applications, SaaS platforms, E-commerce solutions, Dashboards, ERP integrations, and AI-powered solutions. I've delivered numerous projects across the USA, UK, Canada, Australia, the Philippines, and Pakistan, including complex multi-role (RBAC) dashboards, booking platforms (hotels, rides, etc.), logistics systems, real-time applications, customer support applications, digital marketing platforms, AI-powered platforms, and business automation solutions. Some of my key companies / brands and projects I have worked on include: *) Skorboard (Fantronics): One of my notable projects includes developing a multi-league, socketIO-based real-time web application for a US client. This application provides live updates for MLB, NHL, NFL, NCAAF, CBK, and NBA league matches, showcasing my ability to handle high-traffic and real-time data processing, including team and player stats, schedules, favorites and account management. *) Hammerloop: I built a web app in Next.js for both workers and employers, with a Node.js backend and PostgreSQL database. It is a job platform that connects workers and employers across construction and other blue-collar trade industries. *) NED International Alumni of North America: I translated a Figma design into a pixel-perfect, fully responsive site in Next.js with dynamic content fetched from JSON files stored in AWS S3. *) The PSL Info: A real-time cricket site for the Pakistan Super League with live scores, player stats, and standings, built with Next.js and Node.js. *) Big League Construction Supply and Fastening Specialists: Developed a custom Node.js integration server for two USA based construction and distribution companies, integrating Acumatica ERP with Track-POD using APIs and webhooks. Automated delivery order creation and real-time synchronization of delivery confirmations, driver comments, signatures, and proof-of-delivery images, reducing manual work and improving delivery visibility. I have also worked on projects including Verifiable Letter (Online Letterhead), Leafgistics (Logistics Company), Panoptesan (Driver Management App), Wash App (Laundry Partner), FictionGenie (Multilingual Storybooks for Kids), GetContentAI (Create AI-based Content Creation) etc. My Expertise: *) Frontend: HTML5, CSS3, JavaScript, TypeScript, Bootstrap, Material UI, Ant Design, Tailwind CSS, React, Next.js, Redux, Zustand, Socket IO *) Backend: Node.js, NestJS, Express.js, Redis, Firebase, Supabase, RESTful APIs, JWT, Socket IO, Swagger API, Authentication and Authorization *) Databases: MongoDB, MySQL, PostgreSQL, Firebase *) ORM: Sequelize, Mongoose, TypeORM, Prisma, Drizzle *) Cloud Services: AWS S3 Bucket, AWS Lambda, AWS SES *) Payment Gateways: Stripe, DragonPay and its webhooks *) Testing: Jest, Mocha for unit testing *) AI Platforms and Tools: Replit, Lovable, Cursor, ChatGPT, Claude etc *) E-commerce Platforms (Shopify): Store Development, Theme Customization, Shopify REST API Integration, Third-Party App Integrations, Webhooks, and E-commerce workflow automation *) ERP Integrations (Acumatica ERP): API integrations, Data Synchronization, Business Workflow Automation, and Integration of Customer, Product, Inventory, and Order Management Systems *) Third-Party APIs: LLM, OpenAI, Claude, Deepseek, Shopify REST API, Acumatica ERP, TrackPOD, Meta APIs, Google, Slack, Stats API, etc. *) Others: Npm, Yarn, Git, GitLab, GitHub, Slack, Microservices, Webhooks, Vercel, OAuth, JSON, Postman, Vite, Ffmpeg, Cron Jobs, Data Feed, etc. My Services: *) Full Stack Development (MERN/PERN Stack) *) Acumatica ERP Customization and Integration *) Shopify Website Development and Customization *) Shopify Theme Development, Store Setup, API Integrations, and Third-Party App Integrations *) Real-Time Web Applications (SocketIO) *) Software as a Service (SaaS) Development *) Admin Panels and Multi-Role Dashboard Development (RBAC) *) E-Commerce Website Development *) API Development and Integration *) Backend / Server Development using Node.js, NestJS or Supabase *) Converting PSD / Figma designs to Pixel-Perfect HTML / CSS or React / Next.js *) Add Functionality, Feature, Enhance, Performance Optimization and Bug Fixing *) Payment Gateway Integration (Stripe, DragonPay) with Webhooks *) AI-Powered Web Application Development using Replit, Lovable and similar platforms *) Scheduled tasks and automated background processes using Cron Jobs If you need a developer who can handle your project from frontend to backend, integrations, deployment, and optimization, let's connect.