# Member of Technical Staff - Infrastructure - Company: [Steel]() - Location: Toronto - Team: Engineering - Employment type: Full Time - Posted: May 25, 2026 ## Job description ## 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](https://docs.steel.dev/overview/sessions-api/overview). 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. ## Apply [Apply on Steel]() Canonical job page: