Software Engineer, Product Infrastructure - Agent Runtime

Job summary

Responsibilities

We’re looking for a software engineer with strong product infrastructure experience to build the services, APIs, and runtime capabilities behind persistent agents. You’ll focus on the product infrastructure that makes agent workflows reliable and scalable, including persistent state, asynchronous…

• Design, build, and operate backend services, APIs, and reusable runtime primitives that support agent experiences across products.
• Build systems for persistent agent state, asynchronous execution, orchestration, and progress reporting so agents can carry work forward over time.
• Develop infrastructure that connects agents with tools and execution environments, with clear interfaces and safe, reliable behavior.
• Improve reliability, scalability, and performance through observability, production debugging, failure recovery, and thoughtful system design.
• Partner with Product, Research, and engineering teams to turn emerging capabilities and customer needs into reusable infrastructure.

What they're looking for

• 7+ years of professional software engineering experience, with substantial ownership of backend systems, product infrastructure, or developer platforms.
• A track record of designing, shipping, and operating production services, APIs, and data models that support complex product workflows.
• Strong distributed systems fundamentals and experience reasoning about state, concurrency, asynchronous work, and failure recovery.
• Experience building production systems in Python, Go, Rust, TypeScript, or similar languages, and the ability to work across service and infrastructure boundaries.
• Experience improving reliability and performance, using observability and debugging to understand system behavior and resolve production issues.

Tech stack

• Python
• Go
• Rust
• TypeScript