Principal Systems Software Engineer (Networking, Security)

Independent systems-focused software engineer with over 25 years of experience in IT, specializing in networking, security, and low-level infrastructure. Designs, builds, and operates production-grade networked applications end-to-end, including VPN/proxy systems, mobile networking stacks, and backend services. Proficient in C/C++, Go, Java, Linux, and deep debugging. Has experience implementing cryptographic algorithms and modifying large open-source tunneling codebases. Comfortable with fully remote, self-directed work.