大数据研发工程师
Core
Develop and maintain offline data processing and online data services for advertising online businesses, designing multi-dimensional analysis system architectures for massive data, and cleaning logs to abstract reusable data models.
Role type
Senior IC big data R&D engineer
Builds
Offline data pipelines, online data services, and multi-dimensional analysis systems for advertising business
Domain
Internet advertising + big data engineering
Deliverable
production ML models | product features
Required skills
Spark, Flink, Hive, HQL optimization, Java, Python, MySQL, ElasticSearch, ClickHouse, distributed system design, web service development
Preferred skills
ClickHouse internals, ElasticSearch internals, large-scale distributed service design experience, open source community contributions
Responsibilities
Develop and maintain offline data processing and online data services; Design multi-dimensional analysis system architectures; Clean massive logs and abstract reusable data models; Perform code review, bug fixes, and daily service operations
Seniority
Senior, hands-on IC
