Backend Software Engineer (PCDN) - Video-On-Demand (VOD)

ideo-On-Demand (VOD) team is a world-leading video platform that offers a comprehensive suite of services including multimedia storage, content delivery, transcoding, and streaming. We are currently in the process of developing the next-generation video processing platform and the world's largest live-streaming network, aimed at delivering exceptional experiences to billions of users worldwide. Our advanced cloud technologies empower popular video products from TikTok. As a member of this team, you will have the opportunity to take on the exciting challenges posed by large-scale networks spanning the globe. You will utilize your coding skills, expertise in algorithms, proficiency in complexity analysis, and experience in designing large-scale systems to contribute to our cutting-edge projects.

What you will be doing:

1. Create efficient, highly scalable, and secure services that underpin all video-related products for TikTok;
2. Design, implement, and optimize our distributed upload services, which involve innovative protocol stack development, optimizing transmission efficiency, and boosting storage engine performance;
3. Build, develop, and implement advanced intelligent scheduling services, encompassing both architectural and algorithmic design;
4. Take the lead in managing internal processes, and collaborating with other teams and testing groups to ensure the stability of our services;
5. Analyse user needs and develop software solutions, applying principles and techniques of computer science, engineering, and mathematical analysis;
6. Update software, enhance existing software capabilities, and develop and direct software testing and validation procedures.

Qualifications

What you should have:

• At least a Bachelor's Degree in Computer Science or a related technical field centered around software/system engineering, or an equivalent amount of practical work experience;
• At least 4 years of programming expertise, with proficiency in at least one of these languages: C, C++, or Go.
• Knowledgeable about networking fundamentals and protocols, such as UDP/TCP/IP, HTTP, etc.
• Proficient in CDN scheduling and scheduling strategies.
• Prior experience in CDN and P2P is advantageous.
• Familiarity with different streaming packaging methods, such as FLV, HLS, DASH, etc., is also a valuable asset.

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.

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