Engineering Manager, Core Services

Our mission is to automate coding. The first step in our journey is to build the best tool for professional programmers, using a combination of inventive research, design, and engineering. Our organization is very flat, and our team is small and talent dense. We particularly like people who are truth-seeking, passionate, and creative. We enjoy spirited debate, crazy ideas, and shipping code. About the Role You will lead the Core Services team at SpaceXAI, owning the critical shared services that sit between our product surfaces and the infrastructure layer: auth, webhooks, and the backend systems that power agent workflows. SpaceXAI is redefining how developers write code, and your team is what makes that possible at scale. You'll build and operate the systems that every product team depends on, ensuring they are reliable, well-abstracted, and ready for whatever comes next. You'll set technical direction for authentication, SCM integrations, webhook infrastructure, and end-to-end agent reliability, driving the quality of the services layer that the entire company builds on top of. You'll lead a small, high-impact team, write and review code, and partner closely with product and infrastructure teams to ensure Cursor's backend is rock-solid. What you’ll do Owning authentication: designing and implementing a scalable auth architecture that secures one of the most widely-used developer tools in the world. Powering the agent backend: owning the infrastructure behind Cursor's agent