Senior Security Engineer

ABOUT THE ROLE Join a growing AI-native fintech company as a hands-on senior individual contributor, owning and advancing its application security program. You will help secure AI agent workflows in a regulated financial environment while building practices that scale with the engineering team. WHAT YOU'LL DO - Build and mature security tooling, processes, and secure SDLC practices that fit naturally into engineering workflows. - Partner with engineering to secure AI agent execution and workflows, protect data privacy, and mitigate AI-specific vulnerabilities. - Automate security processes by building detection pipelines, improving vulnerability management, and reducing manual work. - Lead incident response and turn lessons from incidents into lasting security improvements. - Contribute to SOC 2, ISO 27001, and financial institution security requirements. WHAT WE'RE LOOKING FOR - Four to eight years of application security experience, including hands-on product security work in a rapidly growing company. - Recent experience at a venture-backed startup or hypergrowth company, with application security as your primary focus. - Practical experience with secure code review, threat modeling, penetration testing, or building security tools used by engineers. - Currently working as an individual contributor, with hands-on technical work as your primary responsibility. - A bachelor's degree in a technical field and a strong foundation in cloud security. - Experience with TypeScript, JavaScript, AWS or GCP, DevSecOps, secure SDLC, IAM, and application security. - Familiarity with AI and LLM security, fintech or other regulated B2B SaaS, and SOC 2 or ISO 27001 is valuable. COMPENSATION & BENEFITS Base salary range: $190,000 to $250,000 annually. Visa sponsorship is available. LOCATION On-site in San Francisco, California.