Senior Backend Engineer (Java & Oracle)

• 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 / Ocean

Base 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 RES

Tful 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 support - Configure, build, and test system-related technical components - Collaborate with product, frontend, and other technical teams to ensure smooth project delivery - Participate in relevant technical research and system optimization work according to project needs Job

Technical Skills - Proficient in Java SE / Java EE and object-oriented programming (OOP) - Familiar with enterprise-level development using Spring Boot / Spring Framework - Familiar with MVC architecture design - Experience with MyBatis / iBatis development - Solid experience in SQL performance optimization - Proficient in Oracle database optimizati