Senior Backend Engineer (Oracle heavy) 高级后端开发工程师

Our client is seeking an experienced Senior Java Backend Development Engineer to be responsible for report module development, database business logic implementation, and system optimization for the company’s software products and projects. This role focuses on Oracle database optimization, stored procedure development, and Java backend system construction, and also requires exposure to and support for big data–related technologies. 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 ProceduresPackagesTriggersFunctions- 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 in 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. 高级后端开发工程师 我們的客戶正在尋找一位经验丰富的高级后端开发工程师，负责企业级后台系统、数据平台及报表模块的开发与优化。该职位重点涉及 Java 后端开发、Oracle 数据库优化、高性能数据处理及系统整合工作，同时需要支持大数据相关技术应用。 理想候选人需具备扎实的 Java 开发能力、丰富的数据库优化经验，以及良好的系统分析与问题解决能力，能够在高并发及大数据环境下稳定交付高质量系统。 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 ProcedurePackageTriggerFunction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（Preferred Qualifications） 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 语言要求 具备良好的英语沟通能力能使用普通话沟通者优先，以便与华语客户及合作伙伴进行日常交流 歡迎有興趣的候選人申請，或私訊了解更多詳情。