Senior Solutions Engineer
- Hybrid
- Min. 3 YOE
Account Executive position in Brooklyn, NY with on-site work 3–4 days/week; focus on renewals, upsell, and multi-million dollar enterprise deals in a fast-growing startup.
Castle is actively hiring as of April 2026, with 6 open roles across engineering.
Last updated April 3, 2026 at 8:17 AM UTC
Castle delivers a scalable security platform that runs at the edge and in apps to stop fraud and abuse. It combines behavioral signals, device fingerprinting, email intelligence, and real-time risk scoring to identify bots, account takeovers, and multi-accounting for developers and enterprise customers. Pricing is transparent and usage-based.