Zero Trust security is becoming a crucial paradigm for developers and DevOps engineers, who must now embed its principles into their workflows and systems to enhance security and reduce vulnerabilities. This approach replaces outdated network perimeter models with a "never trust, always verify" philosophy, requiring authentication and validation of every user and device in a system. Developers are encouraged to implement practices such as using short-lived identity tokens, enforcing least privilege, and leveraging secrets management tools like Doppler to manage configurations and credentials dynamically. These strategies help prevent unauthorized access and breaches by treating every connection as untrusted until verified and ensuring that secrets are not exposed or reused across environments. The shift towards Zero Trust also involves aligning with industry standards from companies like Microsoft and AWS, which advocate for multi-factor authentication, scoped access, and automated controls. To effectively apply Zero Trust, it is critical to integrate these principles into every stage of the development process, from infrastructure as code to CI/CD pipelines, ensuring that security is built into the system from the ground up.