CDN Development Engineer (Multi-Cloud CDN Scheduling R&D) - Traffic Infrastructure

About Bytedance Founded in 2012, ByteDance's mission is to inspire creativity and enrich life. With a suite of more than a dozen products, including TikTok as well as platforms specific to the China market, including Toutiao, Douyin, and Xigua, ByteDance has made it easier and more fun for people to connect with, consume, and create content. Why Join Us Creation is the core of ByteDance'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 ByteDance, we create together and grow together. That's how we drive impact - for ourselves, our company, and the users we serve. Join us. Team Description The TIGE CDN Platform Dev team provides a highly available, cost-efficient, and top-performing global multi-cloud CDN platform for ByteDance’s internal customers by integrating both self-built and commercial CDNs. The team is responsible for developing general functionalities that support both China and overseas needs, identifying and adapting to unique overseas scenarios, bridging gaps between existing systems and new requirements, and ensuring optimal performance and cost-efficiency in diverse environments. Our goal is to continuously evolve the platform to encompass more cloud services beyond CDN, delivering a unified layer of secure, reliable, and high-performance one-stop multi-cloud PaaS, supporting both internal and external customers. Job Description 1. Responsible for the architecture design, R&D, and continuous optimization of the ByteDance Multi-Cloud CDN scheduling platform. 2. Responsible for the development of several modules of the Multi-Cloud CDN scheduling system, including DNS, SDK, 302, and HTTPDNS scheduling modules. 3. Responsible for building a Multi-Cloud CDN scheduling platform, enabling efficient business access and supporting flexible and configurable scheduling strategies. 4. Construct an intelligent scheduling system to optimize TikTok's global traffic management based on business scenarios, resource levels, cost control, service quality, and transmission protocols.

Minimum Qualifications: 1. Bachelor's degree or above in computer science, electronics and communication, or related fields. 2. Proficient in one or two programming languages such as Go/Python/C/C++/Java in a Linux environment. 3. Solid technical foundation with extensive experience in API/platform design; deep understanding and practical experience with network protocols, storage, message queues, etc. 4. Strong communication skills, execution ability, and teamwork spirit. Preferred Qualifications: 1. Proficient in CDN working principles, with experience in CDN system design and development preferred. ByteDance 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 ByteDance, our mission is to inspire creativity and enrich life. 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.