Fullstack Software Engineer, Authorization

About the Team
Welcome to the Authorization Services Team! We are the backbone of the company's security infrastructure, responsible for providing cutting-edge authorization services that are integral to nearly every employee and microservice within our organization.

The Authorization (AuthZ) team builds and operates Kani, ByteDance’s largest authorization system, serving all product lines across ByteDance and TikTok. Our mission is to provide a unified permission management platform that empowers engineering teams with robust, easy-to-use, and secure access control capabilities.

We focus on delivering a comprehensive solution that includes a flexible approval flow engine, a powerful developer platform. Kani supports all the common Access Control models: Role-Based Access Control (RBAC) and Policy-Based Access Control(PBAC) and advanced Attribute-Based Access Control (ABAC) models. By continuously improving user experience (UX) and strengthening our compliance and governance features, we ensure that security is seamless and efficient on a global scale. Join us to tackle challenges in a large-scale, unified authorization environment.

As a Fullstack Engineer, you will contribute to the entire feature lifecycle, from conception to deployment. Your responsibilities will include:
- Developing and maintaining features for our Web Console, BFF (Backend for Frontend), and backend services.
- Building and optimizing approval flow features to meet diverse business needs.
- Enhancing the user experience of our Lark bot notifications for approvals and alerts.
- Supporting internal teams with permission model integration and data migration.
- Implementing features to detect and warn against compliance risks.
- Improving the performance, reliability, and scalability of our systems.
- Writing high-quality, well-tested code and participating in code reviews.
- Collaborating with product managers, designers, and other engineers to deliver impactful solutions.
- Contributing to technical documentation to support our developer community.

The base salary range for this position in the selected city is $122574 - $316800 annually.