Member of Technical Staff - Infrastructure

$10k per year

Full-time

steel

About Steel

Steel is building open-source browser infrastructure for AI agents and apps . We make it easy for developers to ship AI products that interact with the web using our Sessions API .

With over 7,000 GitHub stars, dozens of paying customers, and millions of sessions served monthly, we grew our platform 50x in 2025 purely through word-of-mouth and our open-source community. Backed by world-class investors, we're building a small, highly motivated, and talent-dense team that's shaping the future of how humans interact with the internet.

The Role

We are looking for strong engineers with experience and interest in designing, building, and maintaining the high-performance systems that make up our platform.

Sample projects include...

Building VM snapshotting that restores full browser state in under a second
Staring at kernel traces to performance engineer our Sessions API
Orchestrating millions of browser sessions across regions with sub-second cold starts
Working with VMs, proxies, caches, task queues, and orchestration systems
Shipping the observability and CI/CD stack from scratch

Requirements:

4+ years writing high-quality, production code
Experience building and operating high-performance, large-scale distributed systems (battle scars welcome)
Strong cloud infrastructure skills (AWS, GCP)
Strong knowledge of OS foundations - Linux kernel, file systems, containers, etc
Track record in performance optimization (we love a good "shaved 5ms" story)
Able to work in-person from our Toronto office
Rust experience is a plus, not a requirement

Applying

If there appears to be a fit, we'll reach to schedule 2-3 short technicals. After, we'll schedule an onsite in our office, where you'll work on a small project, discuss ideas, and meet the team.

Apply

Vacancy posted 12 hours ago

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