Founding Engineer

What You’ll Do 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 from whiteboard design to live production in bank environments. Why Join Kastle? Build what banks run on : Your code won’t sit in a sandbox, it’ll power real borrower interactions at scale. Act like a founder : High ownership, autonomy, and input on product, tech, and culture. Learn fast : Daily exposure to customers and their feedback loops. Strong upside : Competitive salary, meaningful early-stage equity, and a front-row seat to building a category-defining company. Great team : Work side‑by‑side with a world‑class founding team from Verkada, NVIDIA, Apple, and Redfin. What You Bring Strong fundamentals in building high-performance, real-time backend systems (we work primarily in Python). Deep understanding of distributed systems, reliability, and fault tolerance. Excellent database design and performance optimization skills. A bias for ownership and an ability to figure things out in messy, high-velocity environments Nice to Have Experience with training, designing, or building production AI/ML systems Previous startup or founder experience. #J-18808-Ljbffr