We are looking for a Principal Engineer

Responsible to transform our next generation, real time, video communication applications. Pull together various telecom & media protocols of call participants for a coherent and productive meeting.

• Believe in fault-free multi-threaded software design
• Experience with real time, high throughput systems like video stream, capture, mix, render
• Contribute to inter-team Architecture discussions and Design reviews, influence our R&D future
• Collaborate across teams for thorough design reviews and completeness of feature integration
• Coordinate work of multiple team members (Dev & QA) to meet functionality, quality, performance and reliability requirements
• Shoulder responsibility and strive to meet quality expectations and timelines.

Responsibilities

• Understand existing ecosystem before being able to add features, functions and enhancements.
• Design and implement including coding, unit testing and release to production.
• Plan with known expectations and dependencies.
• Follow & improve processes — with special focus on code reviews, among others.
• Improve quality with every version, and new features must match or exceed existing levels.
• Contribute to a collaborative and responsive team that owns a world-class product service.
• Through awareness question priorities and influence plans & designs.

Technology

• Experience with protocols: RTP/RTCP, SIP, H.323
• Experience with packet error resilience: RTX/FEC, packet pacing
• Contributions to open source projects. Culture of innovation with patents.
• Experience building AV capture, AV rendering, screen capture applications.

Requirement

• BS or MS in Computer Science or related field
• 8+ years’ experience building multi-threaded solutions on Linux/Android/iOS/Mac/Win
• 5+ years’ experience developing in C++
• 5+ years’ experience developing voice/video streaming solutions.
• Experience in Graphics, Audio and Video Processing
• Familiarity with Agile development methodology and tools
• Good communication skills through email, specs and design docs
• Upper-Intermediate level of English (both written and spoken)