Lead application security architect

Job description Hightouch seeks a senior security engineer to own the application security posture end-to-end. You will work hands-on in the codebase and shape security architecture as the team scales from 70 to 140+ engineers, tackling multi-tenant isolation, threat modeling, and data residency challenges. The role emphasizes high autonomy, impact, and building security with distributed systems in mind, including internet-facing APIs and multi-region support.