About the role
About us PhysicsX is a deep-tech company with roots in numerical physics and Formula One, dedicated to accelerating hardware innovation at the speed of software. We are building an AI-driven simulation software stack for engineering and manufacturing across advanced industries. By enabling high-fidelity, multi-physics simulation through AI inference across the entire engineering lifecycle, PhysicsX unlocks new levels of optimization and automation in design, manufacturing, and operations — empowering engineers to push the boundaries of possibility. Our customers include leading innovators in Aerospace & Defense, Materials, Energy, Semiconductors, and Automotive.
The Role We are recruiting for a Senior Software Security Developer within our Core Platform Services Team. You will be responsible primarily for writing secure code components that many teams will use across the business. There is a strong emphasis on authentication for this role. What you will do Design and implement platform security features and guardrails. Act as an SME for security for the Core Services development team. This includes mentoring, performing threat modeling, sand ecurity code reviews. Help shape incident response procedures and vulnerability management workflows Support the response team by validating and remediating product security vulnerabilities. Contribute to secure coding standards and provide training/mentorship to developers What you bring to the table 8+ years in a developer role focused with strong focus on designing and building security features Extensive RBAC/ABAC knowledge and implementation experience Experience with user, agent, and machine authentication workflows. Hands-on experience with secure coding, OWASP Top 10, and threat modeling Strong developer skills and extensive experience shipping code to production. Experienced in CI/CD, IaC, Python and Go. Track record of balancing pragmatism and security rigor in a fast-paced team Thorough knowledge of authentication and authorization protocols (e.g., OAuth, OpenID Connect, SAML, LDAP, etc.). Strong communication skills, comfortable working across development teams and managing multiple initiatives.
