h
hajirabibi

Jaffar A

@hajirabibi

Software Engineer

Pakistan
Inglese, Urdu
Alcune informazioni sono riportate in lingua inglese.
Chi sono
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!... Continua a leggere

Competenze

h
hajirabibi
Jaffar A
offline • 
Tempo di risposta medio: 7 ore

Consulta i miei servizi

Siti web personalizzati
I will develop a mern stack saas web app using react, angular and nodejs
A partire da115 USD / progettoMaggiori dettagli
Applicazioni web full stack
I will build a self hosted webrtc video conferencing app with livekit
A partire da100 USD / progettoMaggiori dettagli

Portfolio

Esperienza lavorativa

Freelancing_Career

Full Stack Engineer

Freelancing Career • Full time

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.