Member of Technical Staff - Infrastructure
$10k per yearFull-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.
More on the problems we're solving:
Public referral bonus: Introduce us to a candidate who joins Steel, and we'll send you $10,000
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.
Vacancy posted 1 day ago
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