Senior Security Application Engineer

Palo Alto · USD 200,000-235,000 / year · 8+ years experience · Onsite · Posted Sep 30, 2026

At a glance

We are seeking a Senior Application Security Engineer to lead the technical execution of our product security strategy.
This role focuses on securing high-growth FinTech and Web3 digital asset platforms by building end-to-end security programs and integrating automated security controls directly into the software development lifecycle.

Lead comprehensive threat modeling and product security architecture reviews in collaboration with cross-functional teams.
Integrate security automation into CI/CD pipelines utilizing SAST, DAST, and continuous vulnerability management tools.
Architect and implement secure-by-default cloud infrastructure on AWS using Terraform and Kubernetes.
Design and deploy robust encryption services, key management systems (KMS), and advanced data protection controls across distributed environments.
Oversee operational security initiatives including corporate bug bounty programs, incident response workflows, and regular penetration testing engagements.
Secure next-generation AI-integrated applications by establishing input/output validation protocols and LLM guardrails.
Engineer proactive defenses to safeguard platform infrastructure against sophisticated adversaries and nation-state-level threats.

8+ years of experience engineering and scaling end-to-end security programs for high-growth startups.
Proven background securing platforms within FinTech, Web3, and digital asset ecosystems.
Strong engineering proficiency in distributed systems, microservices, and languages such as Python or Java.
Hands-on mastery of container security, Kubernetes orchestration, and AWS infrastructure hardening.
Practical knowledge of implementing technical controls to meet SOC 2 Type II and GDPR compliance standards.
Deep expertise in securing AI/ML lifecycles, MLOps frameworks, and agentic AI platforms.
Bachelor's degree in Computer Science, Engineering, or an equivalent technical field.

This role will require being full-time onsite at our Palo Alto office to support collaborative team dynamics and innovative problem-solving.