资深后端研发工程师-流量与内容
Core
Design and optimize high-concurrency e-commerce services for Douyin's live streaming and shelf-based shopping, supporting hundreds of millions of users and daily GMV in the billions.
Role type
Senior Backend Engineer (E-commerce & Traffic)
Builds
High-availability e-commerce services, centralized shelf commerce infrastructure, and SaaS capabilities for internal apps.
Domain
E-commerce, Live Streaming, High-Performance Systems
Deliverable
production ML models | product features
Required skills
Go, Linux, SQL, MySQL, NoSQL (Redis/Memcached/MongoDB), System Architecture, Data Consistency
Preferred skills
Large-scale system design, Performance optimization, New technology research
Responsibilities
Optimize core shopping paths and live streaming e-commerce capabilities; Build centralized shelf commerce from scratch; Design high-efficiency marketing fields for major sales events; Abstract business domain models into SaaS services; Break system capacity bottlenecks and ensure data consistency under million-level QPS.
Seniority
Senior, hands-on IC
