The adoption of static and dynamic code analysis techniques within modern software development environments is critical for early vulnerability detection and comprehensive quality assurance. Static code analysis scrutinizes source code without execution to uncover potential defects, security vulnerabilities, and coding standard violations early in the lifecycle. Dynamic code analysis complements this by examining the software's runtime behavior to identify issues such as memory leaks, race conditions, and interaction faults that only manifest during execution. The integration of both methodologies into automated security toolchains within continuous integration/continuous delivery (CI/CD) pipelines enables rapid feedback, efficient remediation, and elevated code quality. This combined approach fosters a culture of proactive security and accelerates the delivery of robust, secure software applications.