Continuous Integration (CI) improves code quality by promoting early detection of errors, enforcing automated testing, and maintaining a consistent development workflow. When developers frequently commit code to a shared repository, CI tools automatically build and test the application, ensuring that any defects are caught immediately. This rapid feedback loop helps prevent issues from snowballing into larger problems, making the codebase more stable and maintainable. CI also integrates quality gates such as code linting, static analysis, and test coverage checks, which uphold coding standards and best practices across teams. By automating repetitive quality checks, CI reduces human error and frees up developers to focus on feature development. Furthermore, CI encourages smaller, incremental changes, which are easier to review, test, and debug. Collectively, these practices lead to cleaner, more reliable code and enable teams to deliver high-quality software at speed.