Senior System Engineer

Location: New York, San Francisco or Croatia Type: Full-time About the Role Daytona is looking for a Senior System Engineer to help us build the next-generation distributed system for AI. You’ll be responsible for scaling Daytona to support millions, and eventually billions, of sandboxes running simultaneously. This is a systems-level engineering role that requires deep expertise in distributed architectures, observability, and large-scale reliability. You’ll design and implement infrastructure that ensures Daytona runs smoothly at unprecedented scale. What You'll Be Doing Architect and scale a distributed system capable of running billions of AI agents Build and optimize observability stacks to monitor and maintain system health Solve challenges in scalability, reliability, and fault tolerance Collaborate with platform and AI engineers to design a smooth, performant runtime Contribute to frameworks and standards for high-availability distributed systems Continuously improve performance and efficiency of the runtime layer You Might Be a Fit If You Have extensive experience in distributed systems, high-availability, and scaling challenges Are comfortable with containerization, scheduling, and orchestration at scale Excel at debugging complex systems and building observability into everything you do Think in terms of resilience, failure domains, and graceful degradation Can balance moving fast with maintaining long-term system stability Bonus Points Experience building infrastructure at hyperscale (millions of concurrent workloads) Familiarity with AI runtimes, orchestration platforms, or cloud-native infra Contributions to open-source distributed systems or observability tooling About Daytona Daytona is building the agent-native runtime layer for modern software development. Our platform spins up secure, sandboxed environments in under 90ms, used by developers and AI agents alike. Daytona is open source, trusted by thousands, and backed by top-tier investors. We’re not just making dev environments faster. We’re redefining how software gets built. Successful candidates will be contacted for an interview. We appreciate all the applications we receive, but only those selected for an interview will be contacted. #J-18808-Ljbffr Daytona Platforms Inc.