Senior Software Engineer, Full-Stack - Security Platform

Responsibilities

• Build and scale Vannevar's centralized authentication and authorization platform, including tenant isolation across customer environments
• Own the internal self-service platform for user, group, and permission management
• Build tooling and visualizations to help users understand and validate access permissions
• Evolve platform management interfaces, including the feature flag system
• Partner with product engineering teams to build shared authorization and resource-sharing capabilities
• Shape the long-term roadmap for the Security Platform team

Requirements

• 7+ years of software engineering experience
• Strong backend expertise in Python or Java
• Experience with relational databases like PostgreSQL and distributed systems
• Proficiency in frontend technologies including React, TypeScript, and Node.js
• Experience with identity concepts such as OAuth 2.0, OIDC, SAML, JWT, RBAC/ABAC, or SSO
• Experience with Keycloak or OpenFGA is a plus
• Strong product intuition and ability to thrive in ambiguous environments

Preferred Qualifications

• Active Security clearance or ability to obtain one
• Prior experience working in a user-facing product role

Benefits

• Health, dental, and vision insurance
• Remote friendly with WeWork access
• Unlimited PTO and company-wide off time
• 401(k) match
• Lifestyle & wellbeing stipends
• Salary top-up during military reserve duty
• Fully paid parental leave
• Child and pet care reimbursement during travel

About the Company

Vannevar is a defense technology company building AI to deter our adversaries. Our agentic AI is purpose-built to model adversary behavior, simulate campaigns, and recommend the best course of action to decision makers in the national security and intelligence communities.