Data Engineer (Data Platform)

About Us We're a world-leading smart mobility SaaS tech company with almost 2,300,000 active users. Our teams are collaborative, vibrant, and fast-growing, and all team members are empowered with the freedom to influence our products and technology. Are you curious, innovative, and passionate? Do you take ownership, embrace challenges, and love problem-solving? Your Role Design, build, and maintain data pipelines and ETL workflows using tools like Airflow . Develop monitoring systems to detect upstream data changes and maintain data freshness. Optimize relational and analytical databases for performance, including partitioning, indexing, and table design . Implement data quality , data lineage , and source documentation standards. Manage and tune analytics databases such as ClickHouse, Druid, StarRocks, or Doris . Work with relational databases such as PostgreSQL, MySQL, SQL Server, or Oracle . Leverage distributed query tools (e.g., Spark , Trino ) to support scalable data analysis. B...