The following categories are generally required:
- Programming language: Commonly used programming languages for back-end development include java, python, php, ruby, golang, etc. At the same time, it is necessary to understand the differences, advantages and disadvantages of different programming languages, and choose the most suitable programming language for the project.
- Database management: Back-end development involves data storage, query and management, so you need to be proficient in using at least one database, such as mysql, oracle, postgresql, etc.
- Web framework: The web framework can quickly build web applications, usually including routing, template engine, session management and other functions. Commonly used web frameworks include spring, django, flask, etc.
- Network protocol: back-end development needs to understand the working principle and application of network protocols such as http and tcp/ip.
- Server management: back-end development needs to deploy web applications to the server, so it is necessary to understand the basic operation of the linux system and server management knowledge, such as the configuration and startup of services such as nginx and apache.
- Security defense: Back-end development needs to prevent and defend against common security vulnerabilities such as sql injection, xss attack, and csrf attack.
- Performance optimization: Back-end development needs to pay attention to the performance of web applications, including code optimization, database optimization, caching mechanism, etc.
- Testing and debugging: Back-end development requires unit testing, integration testing, performance testing, and other tests, and debugging and repairing when code problems occur.
Come on, everyone (2023/4/16 Spring Recruitment)