Product Engineer (Backend)

Responsibilities: Build the backend systems that let companies connect AI agents to Runsphere and enforce safe behavior in real time.

• Design and ship APIs, gateway services, policy evaluation, and runtime enforcement.
• Build reliable systems for tool calls, model outputs, traces, decisions, and customer configuration.
• Work across product and infrastructure to deliver fast, secure, observable services.
• Turn customer needs into simple interfaces that developers can adopt with low friction.
• Own features from design through implementation, testing, rollout, and iteration.
• Raise the bar for backend quality, security, performance, and operational readiness.

Ideal candidate: You are a strong backend or full-stack engineer who has shipped production APIs and services. You care about correctness, latency, security, and a good developer experience. You are comfortable with TypeScript or Python, databases, cloud infrastructure, and ambiguous product problems. Experience with developer tools, distributed systems, AI agents, or security-sensitive products is a plus.