Kastle AI
Staff Engineer
$250K–$320K
San Francisco · On-site · Staff · Full-time · Posted Sep 9, 2025
About the job
Architects, builds, and operates real-time AI voice and compliance systems for banking workflows, with a focus on low latency, reliability, and production deployment.
What you'll do
- Own core systems for real-time AI voice and compliance workflows, targeting sub-700ms latency.
- Deploy, operate, and scale resilient systems using event-driven architecture, parallel processing, Kubernetes, and distributed subsystems.
- Build AI systems that improve through customer interactions and human feedback, and deliver them from design to production in bank environments.
What they ask for
- Strong fundamentals in high-performance, real-time backend systems; the team primarily uses Python.
- Deep understanding of distributed systems, reliability, and fault tolerance.
- Strong database design and performance optimization skills.
- Ownership and ability to work in messy, high-velocity environments.
Nice to have
- Experience training, designing, or building production AI/ML systems.
- Previous startup or founder experience.
Pay
$250K – $320K USD base salary
Tools
Python, Kubernetes
AI focus
Build real-time AI voice and compliance workflows and self-improving AI systems that learn from customer interactions and human feedback; production AI/ML experience is a plus.
Model-written summary · the original posting is authoritative