The Web Security Engineer is responsible for the development of the SDL system, including source code white-box auditing, security testing automation, and security training to embed SDL in various businesses. They will conduct security reviews, code audits, security detection, and incident response for various business lines, providing security solutions and security test reports, proposing and following up on vulnerability remediation. The engineer will also track cutting-edge security attack and defense technologies, research black and gray industry attack techniques, and implement detection and protection solutions. Finally, they will be in charge of forward-looking security technology research, and the accumulation of web security technologies and the incubation of web security tools or products.