微信-后台开发工程师-电商方向
Core
Building online search capabilities for WeChat e-commerce transactions, including full-text and vector search via InfinityKV, complex HTAP/global query engines, and analytical database integration.
Role type
Senior IC backend engineer (search & query engine)
Builds
Online search infrastructure, query engines, and analytical data pipelines for e-commerce
Domain
E-commerce, Search, Database Systems
Deliverable
production ML models
Required skills
C/C++, high-performance backend systems, database internals, full-text search, vector search, HTAP, OLAP, query optimization
Preferred skills
DuckDB integration, AI retrieval, MCP, large-scale system experience
Technologies
InfinityKV, DuckDB, MySQL, ClickHouse, Elasticsearch
Responsibilities
Develop and maintain online search capabilities for e-commerce transactions; Optimize query engine performance and stability for HTAP and global query scenarios; Integrate and adapt columnar storage capabilities for analytical query chains.
Seniority
Senior, hands-on IC
