We are seeking a skilled iOS Audio and Video SDK Development to design and optimize cutting-edge real-time communication solutions. You will play a key role in enhancing our audio/video SDK and client applications, ensuring top-tier performance, reliability, and user experience.

Job Responsibilities:

Develop and optimize WebRTC-based SDKs, focusing on:

• Capture/rendering optimization, signaling/media protocols, codecs (H.264/Opus), AEC, and QoS (latency/fluency/bitrate adaptation).
• Key modules: congestion control, ULPFEC/FLEXFEC, jitter buffer, NACK, NetEQ, and STUN/TURN/ICE (RFC 5245).

Maintain and improve existing AV SDKs/clients to enhance performance (e.g., delay reduction, smoothness, video quality).

Research and integrate emerging WebRTC/streaming technologies into production.

Job Requirements:

Bachelor's degree or higher in computer-related fields, with 2+ years of experience in audio and video development. Proficient in audio/video capture and rendering on the iOS platform.

Strong expertise in Objective-C or Swift development, with solid coding skills and a strong focus on code quality.

Familiar with network programming and have a deep understanding of Socket communication, UDP/TCP/IP protocols.

Knowledgeable in common audio/video codecs (H.264, AAC, Opus) and streaming protocols (RTMP, RTP/RTCP).

Familiar with popular open-source audio/video projects (FFmpeg, WebRTC). Experience in live streaming, VOD, or RTC product development is a plus.

Strong sense of responsibility, excellent communication skills, and outstanding teamwork abilities.