Sure, "full stack" typically refers to a developer who is proficient in both front-end and back-end technologies, meaning they can work on all aspects of web development. Here's a breakdown:

1. Front-end Development: This involves everything the user interacts with directly on a website or application. A full-stack developer proficient in front-end technologies would be skilled in:
2. HTML: The markup language used for creating the structure of web pages.
3. CSS: Cascading Style Sheets, used for styling HTML elements.

4. JavaScript: The programming language that enables interactive elements on web pages, such as dynamic content, animations, and form validation. Knowledge of popular JavaScript frameworks and libraries like React, Angular, or Vue.js is also common.

5. Back-end Development: This involves server-side development, managing the server, database, and application logic. A full-stack developer proficient in back-end technologies would be skilled in:

6. Server-side programming languages: Such as JavaScript (Node.js), Python (Django, Flask), Ruby (Ruby on Rails), PHP (Laravel, Symfony), Java (Spring Boot), or others.
7. Databases: Understanding of database management systems like MySQL, PostgreSQL, MongoDB, or others. This includes designing schemas, writing queries, and optimizing database performance.

8. APIs (Application Programming Interfaces): Building and consuming APIs to facilitate communication between the front-end and back-end of web applications.

9. Database Management: Knowledge of database architecture, design, and management is crucial for storing and retrieving data efficiently.

10. Version Control Systems: Proficiency in using version control systems like Git for tracking changes to code and collaborating with other developers.

11. Deployment and DevOps: Understanding of deployment processes and DevOps practices to ensure smooth deployment and continuous integration/continuous deployment (CI/CD) pipelines.

12. Testing and Debugging: Familiarity with testing frameworks and debugging techniques to ensure the reliability and stability of applications.

A full-stack developer is capable of handling all stages of web development, from designing the user interface to managing the server-side logic and database interactions. They are often involved in the entire development process, from conception to deployment and maintenance.