Fullstack Engineer (Mid Level, Actions Team)

Join Staffbase, a leading company in the field of AI and employee communication. As a Fullstack Engineer on the Actions team, you will play a crucial role in enhancing our AI assistant, Navigator. You will work on enriching the AI's capabilities, building extensions that connect to existing tools, and creating an extensibility framework for others to build on. This is an exciting opportunity to be at the forefront of AI technology and make a real impact in the workplace.

About Staffbase

Experience treating AI code generation as a product surface, not just a personal tool

Responsibilities

• Enriching the AI assistant's capabilities by building plugins, widgets, and extensions that connect to various tools.
• Building the extensibility framework that allows others to build and integrate their own features into the platform.
• Designing and implementing a cross-integration authentication solution that enables seamless access to multiple integrations.
• Deep understanding of multi-tenancy security and data isolation; you care about scope checks and preventing cross-tenant leaks
• Java/Kotlin or Go an TypeScript experience for backend services

Requirements

• Strong knowledge of React and TypeScript for frontend work
• Real experience integrating third-party APIs, especially the challenging ones—inconsistent auth, partial documentation, legacy and on-prem systems
• Good judgment about what to standardize and what to leave flexible—drawing that line in the right place is central to this role
• You have built a plugin system, SDK, or developer platform before
• Real-world experience with OAuth and enterprise SSO
• Developed a design system or component library that other teams depended on

Benefits

• You are comfortable with edge and serverless runtimes like Cloudflare Workers