Senior Software Engineer(Multimedia) - Live streaming Infrastructure

About TikTok
TikTok is the leading destination for short-form mobile video. At TikTok, our mission is to inspire creativity and bring joy. TikTok's global headquarters are in Los Angeles and Singapore, and its offices include New York, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo.

Why Join Us
Creation is the core of TikTok's purpose. Our products are built to help imaginations thrive. This is doubly true of the teams that make our innovations possible. Together, we inspire creativity and enrich life - a mission we aim towards achieving every day. To us, every challenge, no matter how ambiguous, 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 users we serve. Join us.

Team Introduction
Video 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.

We are seeking a highly skilled and proactive Senior Software Engineer to join our team. You'll play a crucial role in optimizing the core performance of live streaming transmission. This position demands a blend of technical expertise in live streaming technologies and collaborative skills to work effectively across various functional teams.

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: Work closely with different teams to analyze and optimize key performance metrics of live streaming systems. Identify system issues and develop effective optimization strategies to enhance user experience.

- 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.

- Collaborative Quality Enhancement: Collaborate with various teams to identify and resolve technical quality issues, ensuring high standards in software performance and reliability. Play a key role in cross-functional teams to drive software quality improvements, contributing to both the development and operational aspects of projects.Minimum 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.

Preferred Qualifications
- 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 https://shorturl.at/cdpT2