Developed and integrated Dynamic Secret Injection at VM Startup for the xlang-ai/OSWorld repository, enabling secret files to be securely injected into virtual machines during boot. This approach removed the need for hardcoded credentials in VM images, reducing the risk of credential leakage and supporting dynamic secret lifecycle management. Leveraging Python scripting and DevOps practices, the solution allowed for policy-driven secret handling and safer credential rotation. The work focused on backend development and cloud computing, emphasizing secure provisioning workflows. Collaboration with other contributors ensured code quality and cross-functional alignment, resulting in a robust feature that enhanced the security posture of VM provisioning.