Member of Technical Staff (Infrastructure)

Toronto, ON
$130,000-170,000 per year
Permanent
Full-time

7 hours ago

Career Renew is recruiting for one of its clients a Member of Technical Staff (Infrastructure) - this is an onsite position in Toronto, Canada. Salary range: 130-170K USD yearly plus benefits.We are 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.The RoleWe 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 secondStaring at kernel traces to performance engineer our Sessions APIOrchestrating millions of browser sessions across regions with sub-second cold startsWorking with VMs, proxies, caches, task queues, and orchestration systemsShipping the observability and CI/CD stack from scratchRequirements:4+ years writing high-quality, production codeExperience 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, etcTrack record in performance optimization (we love a good "shaved 5ms" story)Able to work in-person from our Toronto officeRust experience is a plus, not a requirementCompensation & PackageSalary: CA$180k–225k (Canadian Dollars).
Equity: 0.25% – 1%Plus benefits:Health/dental/vision for you + familyRegular team events and off-sitesBrand-new laptop setup + gym membership subsidiesMeaningful architecture decisions (you'll design systems, not just implement specs)Direct customer impact: work with innovative AI companies transforming healthcare, supply chain, accounting, and more

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