Senior Systems Engineer Distributed Infrastructure Toronto

Senior Systems Engineer (Distributed Infrastructure)

Toronto, Canada | up to $280k CAD

Join a highly technical team building the high-performance infrastructure that powers large-scale browser automation for AI systems. This is a role for engineers who enjoy getting close to the metal – designing and operating systems that need to be rapid, reliable, and able to handle real production scale.

You’ll work across distributed systems, virtualization, and low-level performance engineering to help run millions of browser sessions globally with extremely low latency and high reliability.

What you’ll be working on

• Building VM snapshotting systems that restore full browser state in under a second
• Diving into kernel traces to profile and performance engineer a high-throughput Sessions API
• Orchestrating millions of browser sessions across regions with sub-second cold starts
• Working across VMs, proxies, caches, task queue...