Responsibilities

TikTok is the leading destination for short-form mobile video. Our mission is to inspire creativity and bring joy. TikTok has global offices including Los Angeles, New York, London, Paris, Berlin, Dubai, Singapore, Jakarta, Seoul and Tokyo.

Why Join Us
At TikTok, our people are humble, intelligent, compassionate and creative. We create to inspire - for you, for us, and for more than 1 billion users on our platform. We lead with curiosity and aim for the highest, never shying away from taking calculated risks and embracing ambiguity as it comes. Here, the opportunities are limitless for those who dare to pursue bold ideas that exist just beyond the boundary of possibility. Join us and make impact happen with a career at TikTok.

Edge Platform team is seeking experienced software engineers to develop and integrate L4/L7 ingress as well as traffic shaping capability to support terabit level traffic. Our team builds kubernetes/k8s based global edge platform to manage TikTok's self-built CDN PoPs, supporting workload and service management, providing L4/L7 ingress and service mesh capability, and enabling dynamic traffic routing and scheduling. Edge Platform team operates hundreds of POPs and their networking and traffic around the world to run edge workloads (e.g. CDN cache, live streaming, gaming, real-time communication etc.). The L4/L7 ingress with the traffic scheduling capability are the core part of the platform, as most edge workloads are networking intensive. We are looking for passionate engineers to join and work together to build a cloud-native edge platform that provides one-stop solutions for edge services.

Responsibilities
• Design and develop multiple networking and traffic systems (DNS server, Loadbalancer, L4/L7 ingress, HTTP proxy, and service mesh) to serve terabyte-scale traffic in real-time
• Build data pipeline and develop telemetry systems to support data driven traffic scheduling and control

Qualifications

Minimum Qualifications:
• Master's degree (or Bachelor's degree with 4+) years of experience in Computer Engineering, Electrical Engineering, Computer Science or related major
• 4+ years experience in developing network systems in C, C++, Go, or Python, strong developing skills in Linux environment
• Familiarity with Ingress, Loabalancer, DNS, or HTTP infrastructure
• Familiarity with Microservice architecture
• Familiarity with container and orchestration technologies such as Docker and Kubernetes
• Strong understanding of software deployment fundamentals and automation
• Good understanding of concepts in operating system, remote process communication, high availability etc.

Preferred Qualifications:
Following skill/knowledge/experiences are highly desired
• Experience in developing HTTP proxy such as Nginx and Envoy is a big plus
• Experience in developing Etcd, xDS REST/gRPC protocol and Service Mesh related projects
• Experience in building network systems and components such as DNS, cache and CDN
• Experience in building distributed or cloud service based management system
• Proficiency in networking protocols such as, TCP/IP, DNS, HTTP, TLS and QUIC
• Experience with Kernel networking stack or ebpf development
• Experience with Kubernetes CNI

Configuration management
• CI/CD
• Kubernetes
• Information Security
• Database experiences or setting up big data pipeline

TikTok 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 TikTok, our mission is to inspire creativity and bring joy. 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.

TikTok is committed to providing reasonable accommodations during our recruitment process. If you need assistance or accommodation, please reach out to us at USRC@tiktok.com.