Staff Engineer is open at Kastle in San Francisco. The posting gives a salary of $250K - $320K. Posted on Sep 9, 2025, and still on Kastle’s careers page when we last checked, on Nov 14, 2026.
About the role
Architect and own core systems that power real-time AI voice and compliance workflows - Push performance boundaries, delivering sub-700ms latency leveraging event driven architecture and parallel processing - Deploy, operate, scale, resilient systems using Kubernetes and distributed sub-systems - Build a self-improving AI system that improves with every customer interaction and human feedback - Ship fast, ship right…
The opening lines of the posting. The rest is on Kastle’s careers page.
Hiring at Kastle
Kastle has 17 open roles right now, 1 of them remote. Most are in Engineering, Sales & Business Development and People & Recruiting. See all its roles
