Tech Lead(Multimedia) - Live streaming Infrastructure

DescriptionTikTok is the leading destination for short-form mobile video. Our mission is to inspire creativity and bring joy. TikTok has global offices including Los Angeles, New York, London, Paris, Berlin, Dubai, Singapore, Jakarta, Seoul and Tokyo. Why Join UsCreation is the core of TikTok's purpose. Our platform is built to help imaginations thrive. This is doubly true of the teams that make TikTok possible. Together, we inspire creativity and bring joy - a mission we all believe in and aim towards achieving every day. To us, every challenge, no matter how difficult, is an opportunity; to learn, to innovate, and to grow as one team. Status quo? Never. Courage? Always. At TikTok, we create together and grow together. That's how we drive impact - for ourselves, our company, and the communities we serve. Join us.Team IntroductionVideo Cloud Infra team, facing business experience and cost, builds a competitive video transmission network and multimedia processing platform, builds data foundation and analysis capabilities, drives product refined operation, reduces costs and increases efficiency. We are seeking a talented Backend Software Engineer to join our Live CDN team at TikTok. As a Backend Software Development Engineer, you will be responsible for developing and maintaining our Live CDN platform, which powers live streaming services for millions of users worldwide. You will also be responsible for designing and implementing the architecture for the platform, with a focus on automating and simplifying configuration functionality to improve reliability, usability, and flexibility.Seeking an experienced Tech Lead to join our live streaming infrastructure team. In this role, you'll be crucial in optimizing live streaming transmission, utilizing your expertise in multimedia and live streaming technologies. Your ability to collaborate effectively across various technical teams will be essential for success.Responsibilities:- Enhance Live Streaming Gateway:Enhance the live streaming gateway to support various streaming protocols and ensure efficient audit capabilities. Address and resolve issues in the existing live streaming gateway, focusing on performance improvements and error resolution. -Optimization of Core Live Streaming Metrics:Collaborate with diverse teams to refine key performance metrics, identifying and solving system issues to boost user experience.Lead the development and implementation of strategies for system optimization and performance enhancement.- Test Infrastructure and Quality Assurance:Develop and oversee test pipelines, focusing on performance, integration, and unit testing to ensure system robustness and deployment readiness.Establish and maintain a testing environment parallel to production for effective debugging and pre-deployment feature testing.- Operational Process Optimization and Quality Collaboration: Work closely with both internal teams and external partners to refine and enhance operational workflows, ensuring efficient process execution. Actively engage in identifying and resolving quality issues, and drive initiatives to increase transparency and operational efficiency.Qualifications- Bachelor’s degree in Computer Science, Engineering, or a related field.- Be familiar with at least one programming language(c / C++ / Java / Python / go etc)- Strong troubleshooting skills and experience in system optimization.- Experience with CDN, Multimedia, Live Streaming and WebRTC.- Operational experience running a production 24x7 infrastructure at scale.Desired Skills:- Excellent analytical and problem-solving abilities.- Effective communication and teamwork skills.- Ability to adapt to a dynamic, fast-paced work environment.TikTok is committed to creating an inclusive space where employees are valued for their skills, experiences, and unique perspectives. Our platform connects people from across the globe and so does our workplace. At TikTok, our mission is to inspire creativity and bring joy. To achieve that goal, we are committed to celebrating our diverse voices and to creating an environment that reflects the many communities we reach. We are passionate about this and hope you are too.TikTok is committed to providing reasonable accommodations in our recruitment processes for candidates with disabilities, pregnancy, sincerely held religious beliefs or other reasons protected by applicable laws. If you need assistance or a reasonable accommodation, please reach out to us at dataecommerce.accommodations@tiktok.comRegularExperienced