Member of Technical Staff - Infrastructure
About The Position
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 6,000 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, talent-dense team that's shaping the future of how humans interact with the internet. More on the problems we're solving: https://docs.steel.dev/overview/intro-to-steel The Role We are looking for strong engineers with experience and interest in designing, building, and maintaining the novel, 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
- 5+ 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
Nice To Haves
- Rust experience is a plus, not a requirement
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What This Job Offers
Job Type
Full-time
Career Level
Mid Level
Education Level
No Education Listed
