Big Data Developer / BI Engineer

Job Description Responsible for the development and optimization of big data platforms, including: ETL Workflow Design & Implementation: Full cycle design and implementation of data extraction, cleansing, transformation, and loading Data Warehouse Modeling & Architecture: Build data models based on data warehouse theories, design high-performance data warehouse architectures Reporting & Visualization: Develop complex reports, visual large screens, and mobile dashboards using Fanruan reporting tools (FineReport / FineBI) Data Analysis & Mining: Participate in big data application system development, conducting data analysis and mining according to business requirements Performance Optimization: Optimize data storage and computing performance to ensure system stability and scalability Requirement Bachelor's degree or above in Computer Science, Software Engineering, Data Science, or a related field. Proficient in big data technology stack (Hadoop / Spark / Hive / H

Base) with hands-on experience in massive data processing Strong command of relational databases (Oracle / MySQL / SQL Server) and SQL tuning Solid understanding of data warehouse theories, capable of data modeling, ETL development, and OLAP analysis Skilled in Fanruan reporting tools with at least 2 full-cycle project delivery experience Minimum 3 years of experience in big data development or BI. Candidates with a background in finance, internet, or data analytics are preferred. Clear logical thinking; competent in r