Senior Infrastructure Engineer - Real-Time AI Systems

Probook; New York (NY); On-site; USD 200,000 - 250,000; Full time

Benefits offered by this job

Equity

Health insurance

Ramp card for commuting

Meal delivery credit

Office snacks

Job summary

Probook, an NYC-based AI operating system startup, seeks its first dedicated Infrastructure Engineer to lay the foundation for scalable, real-time AI products.

You will own production infra, build agent tooling, and support distributed systems while collaborating with product and engineering to ship high-impact capabilities.

Join a fast-growing team backed by top investors and help define the infrastructure that enables rapid AI deployment.

Qualifications

• 3–6 years of engineering experience with ownership over infrastructure projects.
• Experience building infrastructure at a fast-growing startup or 0→1 projects.
• Comfortable solving product-driven infra problems across the stack.

Responsibilities

• Build agent sandboxes and evaluation infrastructure for rapid development and testing.
• Experiment with models, harnesses, and coding-agent fleets to speed shipping.
• Improve CI/CD pipelines, deployment workflows, and local dev environments.
• Create internal tooling to reduce friction and boost productivity.
• Own observability and debugging tooling for AI products.

Skills

Cloud infrastructure

Distributed systems

Networking

CI/CD

Observability

Job description

Probook, an NYC-based AI operating system startup, seeks its first dedicated Infrastructure Engineer to lay the foundation for scalable, real-time AI products.

You will own production infra, build agent tooling, and support distributed systems while collaborating with product and engineering to ship high-impact capabilities.

Join a fast-growing team backed by top investors and help define the infrastructure that enables rapid AI deployment.