NodeJS/Express Full Stack Developer Location: London Role Type: Permanent Work Setup: Hybrid Who We AreVanguard is one of the world''s leading investment firms, dedicated to helping clients achieve lasting financial success. Established in 1975, its unique ownership structure-where funds own the company and investors own the funds-ensures all efforts are focused on client outcomes. Known for integrity, innovation, and low-cost investing, fosters an inclusive and collaborative culture that empowers employees to make a meaningful impact globally. What You''ll Do: Vanguard''s European Client Identity team develops and manages the authentication and MFA platform used by clients across the UK and Europe. This senior full-stack role focuses on Front End development, with responsibility for an Angular 21 + NestJS app in a regulated, security-focused environment.Lead the team in managing an Angular Front End, including onboarding and mentoring others on the codebase.Develop and enhance Front End experiences for login, MFA, and client authentication using Angular.Build and maintain Back End services, including designing REST APIs with NestJS/TypeScript and integrating with identity/MFA platforms like Transmit Security or Auth0.Deploy, operate, and manage services on AWS using Infrastructure as Code, including database migrations, updates, and vendor-specific software.Maintain production services by writing automated tests, improving test coverage, participating in CI/CD ..... full job details .....