Senior Backend Engineer (Java & Oracle)

Job Responsibilities

• Responsible for the design, development, testing, and maintenance of enterprise-level backend systems, reporting modules, and data platforms.
• Perform system analysis, technical design, and feature implementation based on business requirements.
• Responsible for Java backend service development and database business logic implementation.
• Responsible for Oracle / OceanBase database development and optimization, including:
• Stored Procedures
• Packages
• Triggers
• Functions
• Optimize SQL queries and database performance to improve overall system stability and response efficiency.
• Participate in RESTful API development and third-party system integration.
• Use MongoDB, ClickHouse, and related technologies to support big data queries and analysis.
• Responsible for system troubleshooting, performance tuning, and production environment suppor...