Job description

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 evolution of the Multi-Cloud CDN access platform, supporting global-scale content delivery across both self-built and commercial CDN infrastructures. - Build and improve core platform capabilities including domain onboarding, configuration management, content management, certificate management, and operational tooling. - Work closely with internal product teams to understand business requirements and support service onboarding onto the CDN platform, including configuration, troubleshooting, and optimization. - Participate in the operation and optimization of the self-built CDN infrastructure, helping improve network performance, service reliability, and cost efficiency. - Develop automation tools and operational workflows to improve platform reliability, operational efficiency, and observability. - Work across both software development and platform operations, participating in troubleshooting, performance optimization, and continuous platform evolution. Minimum Qualification(s) - Bachelor's degree or above in Computer Science, Software Engineering, Electronic Engineering, or related fields. - Familiar with at least one programming language such as Go, Python, Java, or C/C++. - Solid foundation in data structures, operating systems, computer networks, and databases. - Basic understanding of Internet technologies such as HTTP, DNS, TCP/IP, TLS/certificates, caching, or Linux. - Strong learning ability, problem-solving skills, and interest in infrastructure platforms. Preferred Qualification(s) - Experience with backend development, cloud infrastructure, networking, CDN, or distributed systems is a plus. - Experience with technical documentation, developer tools, operational tooling, or knowledge base construction is a plus. - Relevant internship experience, course projects, research projects, or open-source contributions are a plus. - Structured thinking, good communication skills, and collaborative mindset.

Requirements

Must-haves

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.
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
Participate in the development and evolution of the Multi-Cloud CDN access platform, supporting global-scale content delivery across both self-built and commercial CDN infrastructures.
Build and improve core platform capabilities including domain onboarding, configuration management, content management, certificate management, and operational tooling.
Work closely with internal product teams to understand business requirements and support service onboarding onto the CDN platform, including configuration, troubleshooting, and optimization.
Participate in the operation and optimization of the self-built CDN infrastructure, helping improve network performance, service reliability, and cost efficiency.
Develop automation tools and operational workflows to improve platform reliability, operational efficiency, and observability.
Work across both software development and platform operations, participating in troubleshooting, performance optimization, and continuous platform evolution.
Minimum Qualification(s)
Bachelor's degree or above in Computer Science, Software Engineering, Electronic Engineering, or related fields.
Familiar with at least one programming language such as Go, Python, Java, or C/C++.
Solid foundation in data structures, operating systems, computer networks, and databases.
Basic understanding of Internet technologies such as HTTP, DNS, TCP/IP, TLS/certificates, caching, or Linux.
Strong learning ability, problem-solving skills, and interest in infrastructure platforms.
Structured thinking, good communication skills, and collaborative mindset.

Nice-to-haves

Preferred Qualification(s)
Experience with backend development, cloud infrastructure, networking, CDN, or distributed systems is a plus.
Experience with technical documentation, developer tools, operational tooling, or knowledge base construction is a plus.
Relevant internship experience, course projects, research projects, or open-source contributions are a plus.

Application prep

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Keywords to mirror

gopythonjava

Platform: tiktok
Effort: medium