Responsibilities 1. Build global infrastructure for multi-media process, storage and transport, to serve the billions of users all over the world. 2. Build live streaming CDN and Video Chat system, deploy nodes globally. 3. Build tools, automations, visualizations and monitors to facilitate the operation and optimization of the global infrastructure. 4. Engage in and improve the whole service lifecycle, from inception and design, through deployment, operation and refinement. 5. Scale up systems sustainably through mechanisms like automation, and initiate changes that improve system reliability and processing speed. Qualifications 1. Bachelor’s degree in Computer Science or a related technical background involving software/system engineering, or equivalent working experience. 2. Good programming experience with at least one of the following languages: C, C++, Java, Python, or Go. 3. Expertise in designing, analyzing, and troubleshooting large-scale distributed systems. 4. Experience in building solutions with AWS, Google, Azures and other cloud services. 5. Experience with CDN, Multimedia, Live Streaming, and WebRTC. 6. Familiar with Unix/Linux operating systems.