Calendly is seeking a Senior Full Stack Engineer to join their Identity & Access Management team. This role is crucial in designing, developing, and maintaining foundational services that support their engineering teams and drive product success. The position involves working on decomposing a monolithic architecture into microservices, utilizing technologies like Google Cloud Platform, Kubernetes, Go, Node, TypeScript, and more. The ideal candidate will bring strong technical competency in distributed systems, enjoy solving complex problems, and foster operational excellence. The role offers competitive compensation across different geographic tiers, ranging from $148,800 to $267,840, along with benefits including equity, bonuses, and comprehensive insurance coverage. This is an exciting opportunity to impact a platform used by millions while working with cutting-edge technologies and contributing to significant architectural transformations. The position requires 7+ years of experience and deep expertise in IAM solutions, including SSO, MFA, and RBAC. Working at Calendly offers significant career growth potential as the company continues its growth trajectory.