u
usman_devx

Usman

@usman_devx

MERN Stack Developer PERN Stack

Pakistan
Inglese, Urdu
Alcune informazioni sono riportate in lingua inglese.
Chi sono
I build scalable, production-ready full-stack applications using MERN, PERN, and Next.js. From responsive UIs to secure JWT/OAuth authentication, I handle the full stack — including real-time features with WebSockets and WebRTC, AI integrations, and Stripe payment systems. With experience across internships and professional software houses, I've shipped: SaaS platforms with subscription billing and role-based access Real-time trading and video conferencing tools AI-powered chat applications Professional networking platforms I focus on clean, maintainable code and fast, honest communication... Continua a leggere

Competenze

u
usman_devx
Usman
offline • 
Tempo di risposta medio: 1 ora

Consulta i miei servizi

Siti web personalizzati
I will develop scalable full stack apps using nextjs mern or pern
A partire da80 USD / progettoMaggiori dettagli
Correzione di bug
I will fix bugs and errors in your mern, pern or nextjs app
A partire da15 USD / progettoMaggiori dettagli

Portfolio

Esperienza lavorativa

MindSpire_Technologies

Lead Full-Stack Developer

MindSpire Technologies • Full time

Aug 2024 - Jul 2026 • 1 yr 11 mos

Developed and maintained advanced SaaS and business applications using the MERN and PERN stacks with Next.js and TypeScript. Responsible for frontend architecture, backend API development, database design, authentication, integrations, performance optimization, and deployment. Designed scalable REST APIs with Node.js and Express.js and implemented modular backend architecture with controllers, services, middleware, validation, error handling, and centralized API responses. Developed advanced database solutions using PostgreSQL and MongoDB, including relational schema design, indexes, transactions, aggregation pipelines, query optimization, and data relationships. Built modern Next.js applications with reusable components, responsive layouts, protected routes, API integration, server-side functionality, and optimized page performance. Implemented advanced authentication and authorization systems including JWT access/refresh tokens, Google OAuth, Passport.js, RBAC, password recovery, email verification, and secure session handling. Integrated Stripe for subscription and payment workflows, Cloudinary for media management, Nodemailer for transactional emails, and Socket.IO/WebRTC for real-time communication. Worked on SaaS dashboards, e-commerce platforms, admin panels, real-time applications, and business management systems. Used Git/GitHub for version control and followed clean-code, security, testing, debugging, and deployment best practices. Technologies: Next.js, React.js, TypeScript, Node.js, Express.js, PostgreSQL, Sequelize, MongoDB, Mongoose, JWT, OAuth, Passport.js, Socket.IO, WebRTC, Stripe, Cloudinary, Nodemailer, REST APIs, Git, GitHub.

Ibex_

full Stack developer

Ibex • Full time

Aug 2023 - Jul 2024 • 11 mos

Worked on full-stack web applications using React.js, Next.js, Node.js, Express.js, PostgreSQL, and related technologies. Developed frontend interfaces, backend APIs, database models, authentication systems, and real-time application features. Worked with PostgreSQL and Sequelize for database management and implemented authentication using Passport.js and Google OAuth. Developed real-time communication features using Socket.IO and WebRTC and integrated services such as Cloudinary and Nodemailer. Focused on writing clean, maintainable code, troubleshooting technical issues, improving application performance, and delivering reliable features according to project requirements. Technologies: React.js, Next.js, Node.js, Express.js, PostgreSQL, Sequelize, MongoDB, Passport.js, Google OAuth, Socket.IO, WebRTC, Cloudinary, Nodemailer, REST APIs, Git/GitHub.