Full Stack Engineer - Traffic Management - London
Edge Platform team seeks experienced developers to maintain edge platform stability and advance infrastructure functionality. Our team builds cross‑site traffic management system based on DNS to manage TikTok’s self‑built CDN PoPs, supporting user performance optimization and resource load balancing. Edge Platform operates hundreds of PoPs and their networking and traffic worldwide to run edge workloads (CDN cache, live streaming, gaming, real‑time communication, etc.). The cross‑site traffic management system is a core part of the platform, directly impacting user experience. We are looking for passionate engineers to join and build a one‑stop traffic management system for edge services on our edge platform.
Responsibilities
* Design and build a control system that directs traffic following performance‑based or cost‑based routing strategies.
* Analyze and troubleshoot global TikTok user routing layer performance.
* Support TikTok internal and external services on public internet topology and connectivity.
Minimum Qualifications
* Master’s degree (or bachelor’s with 3+ years of experience) in Computer Engineering, Electrical Engineering, Computer Science, or related quantitative fields.
* Knowledge of networking protocols such as BGP, IP (IPv4 & IPv6), TCP, UDP.
* Experience with networking tools – ping, mtr, traceroute.
* Experience with networking metrics – SNMP, sflow / netflow.
* Knowledge of HTTP, HTTPS, QUIC.
* 3+ years’ experience in one or more programming languages such as Go, or scripting in Shell and Python.
Preferred Qualifications
* Experience with Kubernetes.
* Experience with DNS service.
* Knowledge of internet OSI model.
* Fast learner.
About TikTok
TikTok is the leading destination for short‑form mobile video. At TikTok, our mission is to inspire creativity and bring joy. Our global headquarters are in Los Angeles and Singapore, with offices in New York City, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo.
Why Join Us
Inspiring creativity is at the core of our mission. Our innovative product empowers authentic self‑expression, discovery, and connection. We lead with curiosity, humility, and a desire to make an impact. Every challenge is an opportunity to learn and innovate as one team. We embrace challenges and foster an “Always Day 1” mindset, achieving meaningful breakthroughs for ourselves, our company, and our users.
Diversity & Inclusion
TikTok is committed to creating an inclusive space where employees are valued for their skills, experiences, and unique perspectives. We celebrate diverse voices and create an environment that reflects the many communities we reach.
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