Senior Backend Engineer

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 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 Requirements

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 optimization and stored procedure development
• Experience with multithreaded development and system performance tuning
• Familiar with RESTful API design and system integration patterns
• Familiar with version control tools such as SVN / Git
• Experience with MongoDB, ClickHouse, or big data platforms is preferred
• Familiarity with Linux environment operations and deployment is preferred
• Familiarity with AI-assisted development tools such as Cursor, Claude Code, GitHub Copilot, etc. is preferred
• Experience developing systems for finance, government, or large enterprises
• Experience with microservices architecture development
• Experience with Docker, CI/CD, or cloud deployment
• Experience with high-performance data processing or real-time data analysis
• Experience in system architecture design is preferred
• Experience leading development teams or projects is a plus

Personal Attributes

• Good analytical and problem-solving skills
• Careful and detail-oriented, with a strong focus on code quality and system stability
• Able to handle high-concurrency and large-scale data scenarios
• Good teamwork and communication skills
• Proactive, responsible, and highly accountable

Qualifications

• Bachelor's degree or above in Computer Science, Software Engineering, Information Technology, or a related field
• At least 4-5 years of Java backend development experience
• Experience developing large-scale enterprise systems or high-concurrency systems is preferred

Language Requirements

• Good English communication skills
• Fluency in spoken and written Chinese is essential, as the role requires frequent liaison with Chinese-speaking counterparts and stakeholders, and the preparation, review and handling of Chinese-language work materials.

岗位职责

• 负责企业级后台系统、报表模块及数据平台的设计、开发、测试与维护
• 根据业务需求进行系统分析、技术设计及功能实现
• 负责 Java 后端服务开发及数据库业务逻辑实现
• 负责 Oracle / OceanBase 数据库开发与优化，包括:
  • Stored Procedure
  • Package
  • Trigger
  • Function
• 优化 SQL 查询及数据库性能，提升系统整体稳定性与响应效率
• 参与 RESTful API 开发及第三方系统整合
• 使用 MongoDB、ClickHouse 及相关技术支持大数据查询与分析
• 负责系统问题排查、性能调优及生产环境支持
• 配置、构建及测试系统相关技术组件
• 与产品、前端及其他技术团队协作，确保项目顺利交付
• 根据项目需求参与相关技术研究与系统优化工作

职位要求:

技术能力

• 精通 Java SE / Java EE 及面向对象编程（OOP）
• 熟悉 Spring Boot / Spring Framework 企业级开发
• 熟悉 MVC 架构设计
• 具备 MyBatis / iBatis 开发经验
• 扎实的 SQL 性能优化经验
• 精通 Oracle 数据库优化及存储过程开发
• 具备多线程开发及系统性能调优经验
• 熟悉 RESTful API 设计与系统整合模式
• 熟悉 SVN / Git 等版本控制工具
• 有 MongoDB、ClickHouse 或大数据平台经验者优先
• 熟悉 Linux 环境操作及部署者优先
• 熟悉 AI 辅助开发工具（如 Cursor、Claude Code、GitHub Copilot 等）者优先

加分项

• 有金融、政府或大型企业系统开发经验
• 有微服务架构（Microservices）开发经验
• 有 Docker、CI/CD 或云端部署经验
• 有高性能数据处理或实时数据分析经验
• 有系统架构设计经验者优先
• 有带领开发团队或项目经验者更佳

个人能力

• 具备良好的分析与问题解决能力
• 工作认真细致，注重代码质量与系统稳定性
• 能够处理高并发及大规模数据场景
• 具备良好的团队合作与沟通能力
• 工作积极主动，责任感强

任职资格

• 计算机科学、软件工程、信息技术或相关专业本科及以上学历
• 至少 4-5 年 Java 后端开发经验
• 具备大型企业系统或高并发系统开发经验者优先