Agile and DevOps have transformed software engineering by emphasizing collaboration, automation, and continuous delivery. Agile frameworks like Scrum and Kanban focus on adaptability and iterative progress, while DevOps extends these principles to operations, enabling faster, more reliable releases through CI/CD pipelines and tools like Docker and Kubernetes. Their integration fosters end-to-end efficiency, aligning teams and incorporating practices like test-driven development and shift-left testing to improve quality. DevSecOps ensures security is embedded early in development, automating vulnerability scanning and compliance with frameworks like GDPR and HIPAA. Scalable frameworks like SAFe help implement Agile and DevOps across large organizations, addressing dependencies and maintaining consistency. Together, Agile and DevOps offer a unified approach to meet the demands of modern, dynamic software environments.