Application Security Lead - Remote

Overview

Fast-growing AI/data infrastructure startup building a modern customer data and AI activation platform used by enterprise customers at significant scale. Backed by top-tier investors with $300M+ raised and operating at $100M+ ARR. Fully remote engineering culture with a strong focus on distributed systems, product ownership, and technical excellence.

In Short

• First dedicated security hire at a rapidly growing startup
• Opportunity to build the application security function from the ground up
• Hands-on role focusing on architecture reviews and secure systems design
• Work with engineering leadership on critical infrastructure challenges
• Designing and improving security for multi-tenant systems
• Building access control models for customer-facing APIs
• Improving security architecture across multi-cloud infrastructure
• Support compliance-related technical controls (GDPR/CCPA)
• Define application security best practices and roadmap
• Collaborate with backend and distributed systems teams

Requirements

• 6+ years of experience in application/product security engineering
• Experience as an early security hire at a SaaS or data infrastructure company
• Strong knowledge of distributed systems and large-scale infrastructure
• Experience securing multi-tenant platforms and APIs
• Background in cloud security (AWS/GCP/Azure)
• Able to read production application code
• Preference for candidates with a software engineering or CS foundation
• Open to former/current security managers transitioning to hands-on roles

Benefits

• Massive ownership and visibility as the first dedicated security hire
• Opportunity to define security architecture for a scaling platform
• Direct collaboration with senior engineering leadership
• Engagement with high-throughput APIs and large-scale data systems
• Strong growth trajectory with top-tier investors