What does a backend programmer do?

Backend programmers are responsible for building and maintaining the server side of a web application. Their main tasks include developing business logic, managing databases, developing APIs, ensuring security and permission management, optimizing performance, connecting with the front end, applying frameworks and libraries, performing version control and collaboration, as well as deployment and operation and maintenance.

Back-end programmers are mainly responsible for developing and maintaining the server-side part of web applications. The following are the main work contents of back-end programmers:

1. Back-end logic development: Responsible for implementing the business logic of web applications, processing data and various business processes, and ensuring the normal operation of the system.

2. Database management: Design, create and maintain databases, write SQL statements, perform data addition, deletion, modification and query operations to ensure data security and consistency.

3. API development: Design and develop RESTful API or other interfaces for data communication and interaction between front-end and back-end.

4. Security and permission management: Responsible for developing and implementing user authentication, authorization and permission management systems to ensure system security and data protection.

5. Performance optimization: Optimize back-end code and database queries, improve system performance and response speed, and ensure system stability and high availability.

6. Connect with the front-end: Cooperate with the front-end engineer to connect the front-end pages and interfaces for data interaction and communication.

7. Framework and library application: Proficient in and applying back-end frameworks and libraries, such as Spring, Django, Node.js, etc., to improve development efficiency and system stability.

8. Version control and collaboration: Use version control tools such as Git for code management and collaborate with team members for development.

9. Deployment and operation and maintenance: Responsible for deploying the developed system to the server and performing operation and maintenance to ensure the stability and security of the system.

10. Technical learning and research: Track the latest developments in back-end technology, learn and apply new back-end technologies, and continuously improve your own technical level.

Generally speaking, back-end programmers are mainly responsible for the server-side development and maintenance of web applications to ensure the stability, security and performance of the system.

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