Senior Backend Engineer

Xage Security is a Palo Alto-based cybersecurity company providing zero-trust access and protection across IT, OT, cloud, data-center, AI, and critical-infrastructure environments.

Palo Alto, United States

Funding history

About Xage Security

Xage Security, Inc. develops and supports the Xage Fabric Platform, a distributed cybersecurity mesh that provides identity-based access control, secure remote access, privileged-access management, segmentation, critical-asset protection, secure data exchange, and zero-trust controls for AI systems. The company serves industrial, energy, manufacturing, defense, government, healthcare, transportation, and other critical-infrastructure organizations.

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Skills

Candidate Availability

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

Design and implement backend systems and deployment tooling that secure IoT and critical infrastructure. Develop deployment processes across IT, OT, and Cloud environments, improve system health and reliability, and work with networking protocols, authentication, cryptography, PKI, reverse proxies, Linux, and Docker.

Requirements

  • 3+ years of software development experience with HTTP/S proxies, WebSockets, packet tracing, and multi-tier client/server communication.
  • Knowledge of JavaScript execution in browser security contexts and authentication using JWT, SAML, and SSO.
  • Working knowledge of multithreading, inter-process communication, socket programming, and high-performance low-latency programming.
  • Knowledge of secure coding in C++, Go, or Java, vulnerability assessment, and threat analysis.
  • Hands-on experience with RDP, VNC, HTTP, SSH, authentication, certificates, and TLS.
  • Experience with cryptography, PKI, microservice architecture, large-scale infrastructure, reverse proxies, NGINX, SOCKS5, and session management with load balancers.
  • Strong debugging, troubleshooting, quality, communication, Linux, and Docker skills.
  • NGINX plugin or internals experience is a plus.
  • Guacamole framework experience is a plus.

Responsibilities

  • Take ownership of project scopes and initiatives while ensuring high-quality deliverables.
  • Define, develop, and maintain deployment processes and tools across IT, OT, and Cloud environments.
  • Provide ongoing support and improve system health and reliability.
  • Adopt best practices for scalable, distributed, and autonomous systems.
  • Lead, guide, mentor, and empower others to succeed.

Benefits

  • Equity
  • Health insurance
  • Dental insurance
  • Vision insurance
  • Visa transfer and immigration support