应用网关研发工程师/资深专家-基础架构
Core
Design and develop high-performance traffic access gateways and long-connection message gateways for ByteDance's core business layers (Douyin, Toutiao), handling billions of QPS requests.
Role type
Senior IC infrastructure engineer (application gateway)
Builds
High-performance traffic access systems, L7 load balancers, API gateways, and QUIC-based transmission protocols
Domain
Internet infrastructure, high-concurrency systems, network protocols
Required skills
C/C++/Go, Linux network programming, TCP/IP stack, HTTP/HTTPS/WebSocket protocols, high-concurrency service development, distributed system design
Preferred skills
Web Server development (Nginx, Kong, OpenResty, Envoy), DNS, cloud networking (VPC, NAT)
Responsibilities
Design and implement core gateway modules including traffic scheduling, rate limiting, overload protection, and plugin systems; Architect and develop long-connection message gateways with intelligent scheduling; Develop forward proxy architectures integrating security components; Analyze and optimize complex online issues to improve observability and fault localization
Seniority
Senior, hands-on IC