Senior Big Data R&D Engineer - Business Application - Beijing

1. Offline data processing and online data service development and maintenance for various online advertising businesses 2. Data service interface and product demand development and iteration, code review, bug fixes and daily service operation and maintenance 3. Design a reasonable multi-dimensional data analysis system architecture that adapts to business changes and meets diverse needs for massive data processing and query needs 4. Clean and process massive logs, and abstract data models that can be reused by multiple businesses 5. Guide junior data development engineers in daily development.

1. Familiar with Hadoop architecture and working principles, proficient in MapReduce programming proficient in Hive, with HQL optimization experience 2. Experience in web service development, the ability to independently complete module development, and the ability and experience in large-scale distributed service design 3. Understand basic design patterns and be able to quickly understand business needs into technical needs 4. Proficient in Mysql, proficient in ElasticSearch and Druid are preferred those who are familiar with their principles are preferred 5. Good at communication, proactive work, strong sense of responsibility, and good teamwork ability 6. Have good problem analysis and problem solving skills, strong learning ability and logical thinking ability.