Senior Backend Engineer
Xage Security provides zero-trust cybersecurity products for secure access, privileged access management, segmentation, and protection of critical assets. It serves enterprises and critical-infrastructure organizations across IT, OT, cloud, data center, and AI environments.
Funding history
Investors
Projects
About Xage Security
Xage Security delivers the Xage Fabric Platform, a resilient cybersecurity mesh that overlays existing infrastructure to enforce identity-based, least-privilege access and security policies. Its offerings include secure remote access, extended privileged access management, critical asset protection, zero-trust data exchange, and zero trust controls for AI agents and LLMs. The company focuses on enterprises and critical-infrastructure sectors including energy, manufacturing, utilities, healthcare, federal government, space, defense, and transportation.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
As a Senior Backend Engineer you will own project scopes and ensure high-quality deliverables. You will define, develop, and maintain deployment processes and tools across IT, OT, and cloud environments, provide ongoing support to improve system health and reliability, and adopt best practices for scalable distributed systems. You will implement and troubleshoot secure, high-performance networking and cryptography features, and lead, guide, and empower others to succeed.
Requirements
- 3+ years of experience in software development using HTTP/s proxies, Websockets, packet tracing, multi-tier client/server communication
- In-depth understanding of JavaScript execution in modern web browsers and authentication/authorization using JWT, SAML, SSO
- Working knowledge of multithreading programming, inter-process communication, socket programming, high performance and low latency programming
- Knowledgeable in C++, Go, and Java secure coding, vulnerability assessment, and threat analysis
- Hands-on experience with application protocols RDP, VNC, HTTP, SSH and core concepts on authentication, certificates, TLS
- Experience in cryptography, PKI, microservice architecture, large scale infrastructure, reverse proxies, NGINX, SOCKS5, session management with load balancers
- Strong debugging and troubleshooting skills and expert system level skills on Linux (Ubuntu, Alpine, Red Hat) and Docker
- Experience developing NGINX plugins or working with internals would be a plus
- Experience developing applications using the Guacamole framework would be a plus
Responsibilities
- Own project scopes and ensure 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, direct, guide, and empower others
Benefits
- Equity
- Health insurance
- Dental insurance
- Vision insurance
- Visa and immigration support