WHAT YOU WILL DO

Design, develop, and support Cloud9’s native WebRTC implementation for financial trading software application. Responsible for designs that bridge WebRTC to trading telephone line interfaces. Perform technology evaluation and systems design. Gauge execution of feasibility projects and deliver production products. Port updates from WebRTC community to existing products. Modify VoIP network processing to improve reliability and increase security of connections for office and mobile applications. Modify audio processing to reduce latency and CPU for peer to peer and MCU applications.

THE RIGHT BACKGROUND

Required Skills and Experience

Requires a Bachelor’s degree (or foreign equivalent) in Computer Science, Electrical Engineering, or a directly related field plus six (6) years of communications applications experience in Linux and Windows environments. Experience must include:

• Four (4) years of experience developing telephony features with emphasis on VoIP telephony and communication skills

Experience must include some amount of:

• SIP, SIP stacks, SDP, STUN/TURN, and IP and networking protocols and architectures
• Design knowledge of proper software architecture
• C++ and object-oriented design
• Programming on Linux and Windows platforms
• VoIP RTP, RTCP, SRTP, and DTLS protocol
• Development and testing jitter buffer algorithms
• Demonstrated knowledge of variables that impact call quality and experience with impairment emulation
• Basic time domain audio processing, mixing, and filtering

Will accept a Master’s degree and four (4) years of described experience.

Cloud9 Technologies LLC values diversity of culture and thought and seeks talented, qualified employees in all its locations around the world regardless of race, gender, national origin, religion, sexual orientation, disability, age or any other protected classification under country or national law.