WebRTC Engineer — TheOrange, Full time
What You'll Do

• Own the WebRTC media pipeline end-to-end — ICE negotiation, SRTP/DTLS, codec selection (VP8/VP9/AV1, Opus), audio/video capture, and rendering
• Build and maintain 1:1 P2P and group calling features across Android (Kotlin/Compose) and iOS (Swift/SwiftUI)
• Integrate and optimise our LiveKit SFU for group calls — room management, participant lifecycle, adaptive bitrate, and scalable media routing
• Implement SFrame E2EE for all calls — AES-128-GCM encryption ensuring the SFU never sees plaintext media
• Work with the E2EE team on Signal Protocol key exchange (Double Ratchet) to establish call encryption keys before ICE connect
• Build platform-specific call management — Android ConnectionService (Telecom framework) and iOS CallKit
• Implement call quality monitoring — jitter, packet loss, echo cancellation, noise suppression, and network diagnostics
• Design VoIP push notification flows (FCM on Android, PushKit on iOS) for reliable incoming call delivery




• Optimise battery and thermal performance on mobile — targeting idle CPU ≈ 0% when not in a call
• Contribute to KMP shared call logic with platform-specific (expect/actual) implementations for native WebRTC SDKs

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What You Bring

• 4+ years of professional experience with WebRTC (native or browser-based)
• Deep understanding of RTP/RTCP, ICE/STUN/TURN, DTLS-SRTP, SDP negotiation, and media codecs
• Experience with at least one SFU/MCU — LiveKit, Janus, mediasoup, Jitsi, or equivalent
• Strong proficiency in Kotlin or Swift (ideally both)
• Experience with real-time media encryption (SRTP, SFrame, or similar)
• Solid understanding of network protocols (TCP/UDP, WebSocket) and NAT traversal
• Familiarity with Android Telecom framework or iOS CallKit

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Nice-to-Have Qualifications

• Kotlin Multiplatform (KMP) experience
• Knowledge of Signal Protocol (X3DH, Double Ratchet) or similar E2EE key exchange
• LiveKit SDK experience (Android and/or iOS)
• Audio/v

📌 WebRTC Engineer (Hyderabad)
🏢 THE ORANGE COMM
📍 Hyderabad