h
hajirabibi

Jaffar A

@hajirabibi

Software Engineer

Pakistan
Anglais, Ourdou
Certaines informations sont présentées en anglais.
À propos de moi
I am a Software Engineer focused on building scalable and high-performance full-stack web applications using React, Angular, Node.js, and cloud-native technologies. I specialize in real-time communication systems, WebRTC, REST APIs, and distributed system architecture with a strong focus on performance and scalability.... Plus d’infos

Compétences

h
hajirabibi
Jaffar A
hors ligne • 
Temps de réponse moyen de 1 heure

Voir mes services

Sites Web personnalisés
I will develop a mern stack saas web app using react, angular and nodejs
De100 $US / projetPlus de détails
Add-ons et personnalisation
I will build realtime video calling and streaming apps with webrtc
De110 $US / projetPlus de détails

Portfolio

Expérience professionnelle

Freelancing_Career

Full Stack Engineer

Freelancing Career • Temps plein

May 2024 - Present • 2 yrs

Developed scalable full-stack web applications using Angular, React, Node.js, and Express with modular architecture. Built real-time communication systems using WebRTC, Socket.IO, and Redis, enabling video conferencing, chat, and collaboration features. Implemented secure authentication using JWT, role-based access control, and subscription billing integrations with Stripe, Firebase, and Twilio. Designed and documented RESTful APIs using Swagger and optimized database performance using Sequelize ORM and MariaDB. Deployed containerized applications using Docker and Nginx, improving scalability and production reliability. Worked in Agile Scrum teams to deliver high-quality features aligned with business goals and timelines.