The team builds and operates large‑scale, massively distributed infrastructures, applying Site Reliability Engineering (SRE) principles of software and systems engineering to ensure our traffic services are reliable, fault‑tolerant, efficiently scalable, and cost‑effective. You will manage a variety of complex systems at scale, including traffic systems serving hyperscale data centers and public cloud environments, and a global load balancer that handles Tbps of traffic. We build and operate multi‑cloud‑based, large‑scale network services around the world to accelerate and optimize network traffic for TikTok and a variety of application services for ByteDance internal customers. These services include, but are not limited to, Layer 4 load balancing, Layer 4/7 acceleration, global ingress, CMAF, FaaS, and WAF. By joining us, you can work within a brilliant team and learn how to build a TikTok‑scale network traffic platform serving billions of users globally.