h
hajirabibi

Jaffar A

@hajirabibi

Software Engineer

Pakistan
Englisch, Urdu
Einige Informationen werden in englischer Sprache angezeigt.
Über mich
WebRTC & VoIP engineer specializing in real-time communication and full-stack systems. I build video calling/conferencing platforms, self-hosted LiveKit solutions, HLS live streaming, SIP/PBX & VoIP integrations, and real-time chat. Expertise: WebRTC, LiveKit, mediasoup, FreeSWITCH, Asterisk, Twilio, Node.js, React, React Native, Angular, PostgreSQL, MongoDB, Docker, REST APIs, and cloud deployment. I focus on secure, scalable, high-performance solutions. Have a project in mind? Let’s discuss it!... Mehr lesen

Kompetenzen

h
hajirabibi
Jaffar A
offline • 
Durchschnittliche Antwortzeit: 7 Stunden

Meine Dienstleistungen

Benutzerdefinierte Websites
I will develop a mern stack saas web app using react, angular and nodejs
Ab115 $ / ProjektWeitere Details
Full-Stack-Webanwendungen
I will build a self hosted webrtc video conferencing app with livekit
Ab100 $ / ProjektWeitere Details

Portfolio

Arbeitserfahrung

Freelancing_Career

Full Stack Engineer

Freelancing Career • Vollzeit

May 2024 - Present • 2 yrs 5 mos

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.