后端开发工程师 (Backend Developer)

职位名称：后端开发工程师职位类型：兼职按小时计费工作地点：远程每周工作时间：至少20小时工作经验：3年以上教育背景：本科及以上，计算机科学、软件工程或相关专业Position Title: Backend DeveloperJob Type: Part-time hourly basisLocation: RemoteWeekly Hours: Minimum 20 hoursExperience: Over 3 yearsEducation: Bachelor’s degree or above in Computer Science, Software Engineering, or related fields职位描述：我们正在寻找一名经验丰富的后端开发工程师，负责开发和维护平台的核心业务逻辑和数据库系统，确保平台的高性能和高可用性。Job Description:We are looking for an experienced Backend Developer to develop and maintain the core business logic and database systems for the platform, ensuring high performance and availability.主要职责：设计和实现平台的后端架构，确保系统的稳定性和可扩展性。开发和维护RESTful API和GraphQL接口，支持Web端和微信小程序的功能需求。设计和优化数据库结构，确保数据存储的高效性和安全性。编写高质量的代码，进行单元测试和集成测试，确保系统的可靠性。与前端开发工程师和数据科学家合作，确保系统各模块的无缝集成。解决系统性能瓶颈，优化系统响应速度和资源利用率。Key Responsibilities:Design and implement the backend architecture of the platform to ensure system stability and scalability.Develop and maintain RESTful APIs and GraphQL interfaces to support the functionality requirements of the web and WeChat Mini Programs.Design and optimize database structures to ensure efficient and secure data storage.Write high-quality code, conduct unit tests and integration tests to ensure system reliability.Collaborate with frontend developers and data scientists to ensure seamless integration of system modules.Resolve system performance bottlenecks and optimize system response times and resource utilization.Requirements任职要求：3年以上后端开发经验，熟练使用Node.js、Python或Java。有设计和实施高性能、高可用性系统的经验。具备数据库设计和优化（如MySQL、PostgreSQL、MongoDB）的经验。熟悉云计算服务（如AWS、Azure）和容器技术（如Docker、Kubernetes）。具备良好的问题解决能力和代码调试能力。Requirements:Over 3 years of experience in backend development, proficient in Node.js, Python, or Java.Experience in designing and implementing high-performance, high-availability systems.Experience in database design and optimization (e.g., MySQL, PostgreSQL, MongoDB).Familiar with cloud computing services (e.g., AWS, Azure) and container technologies (e.g., Docker, Kubernetes).Strong problem-solving skills and code debugging abilities.Benefits薪资福利：按项目小时计费，具有竞争力的薪资灵活工作时间远程工作机会Compensation and Benefits:Competitive hourly rate based on project workFlexible working hoursRemote work opportunities