Senior Java Engineer

Senior Java Engineer

 (VoIP / Real-Time Communications)

We are looking for a Senior Java Engineer to join a team working on high-performance backend systems for real-time communication products such as voice, video, and streaming services.

This role is for an engineer with strong experience in VoIP/WebRTC systems and a deep understanding of building reliable, low-latency communication platforms.

 Responsibilities:

-Design and develop high-performance backend services using Java (Spring Boot)

-Build and maintain real-time communication systems (WebRTC, VoIP, SIP)

-Integrate backend systems with mobile applications (iOS & Android)

-Work with streaming, signaling, and media servers

-Ensure low-latency and high-availability architecture

-Optimize system performance, scalability, and reliability

-Collaborate with cross-functional teams (mobile, frontend, DevOps).

Must-have:

-5+ years of experience with Java (Spring / Spring Boot)

-Strong experience with VoIP / WebRTC / SIP / RTP / signaling systems

-Experience integrating backend systems with iOS and Android applications

-Solid understanding of real-time data streaming.

 Strong knowledge of:

-Distributed systems

-Microservices architecture

-High-load system design

-REST APIs and WebSockets

-Cloud platforms (AWS / GCP / Azure basics)

Nice to Have

-Experience with Twilio / Agora / Vonage or similar RTC platforms

-Experience with media servers (Kurento, Janus, FreeSWITCH, Asterisk)

-Background in telecom or communication products

-Knowledge of AI / voice processing / speech analytics

You will be building systems that enable:

-real-time voice and video communication

-stable media streaming with low latency

-scalable communication platforms supporting large user loads.