Multi-Cloud CDN Scheduling Platform Engineer

About the Team The Global Engineering CDN team builds and operates a highly available, cost-efficient, and high-performance global multi-cloud CDN platform that powers large-scale products such as TikTok.

Our platform integrates both self-built CDN infrastructure and commercial CDN vendors across multiple regions worldwide, delivering reliable and optimized content delivery for diverse global markets. The team develops and operates core platform capabilities including domain onboarding and configuration management, content management, data analytics, and global traffic optimization. Working in a highly distributed and complex environment, we continuously evolve the platform to support both static content delivery and dynamic acceleration, while optimizing for performance, reliability, and cost efficiency.

Engineers in this team work across both software development and production operations, gaining hands-on experience with large-scale distributed systems, global traffic management, and multi-cloud infrastructure.

Responsibilities

• Participate in the development and optimization of the global traffic scheduling system for the company's Multi-Cloud CDN platform.
• Contribute to the development of several modules of the scheduling system, including DNS, SDK, 302, and HTTPDNS scheduling modules.
• Build traffic management mechanisms to optimize global traffic distribution across self-built and commercial CDNs.
• Work with senior engineers to improve system performance, reliability, and cost efficiency under large-scale global traffic.
• Participate in production operations, troubleshooting, and optimization, continuously improving system stability and scheduling efficiency.

Minimum Qualifications

• Bachelor's degree or above in Computer Science, Electronic Engineering, or related fields.
• Familiar with one or more programming languages such as Go, Python, Java, or C/C++ in a Linux environment.
• Solid foundation in computer networks, operating systems, and distributed systems fundamentals.

Preferred Qualifications

• Familiar with Internet protocols such as HTTP, DNS, and TCP/IP is a plus.
• Interest in traffic scheduling, load balancing, or CDN systems is a plus.
• Strong problem-solving ability, good communication skills, and a collaborative mindset.