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 Developer

Job Type: Part-time hourly basis

Location: Remote

Weekly Hours: Minimum 20 hours

Experience: Over 3 years

Education: 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 work
  
• Flexible working hours
  
• Remote work opportunities