Adam Ciarciński
Senior Software Engineer at Defguard
West Pomeranian Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolAdam Ciarciński is a senior software engineer with 23 years of hands-on experience building and maintaining systems across enterprise, public sector, and open-source communities from West Pomeranian Voivodeship, Poland. He currently holds senior engineering roles at Defguard and Teonite while contributing to NetBSD, reflecting deep expertise in systems-level software and long-term open-source stewardship. His background spans system administration and IT management at organizations including IBM ISS and regional government, giving him strong operational instincts for reliability and security. Adam combines legacy systems knowledge with modern engineering practices, often bridging gaps between infrastructure, service delivery, and software development. A Master’s graduate in Computer Science from the Technical University of Szczecin, he’s known for steady, decades-long commitment to platform stability and pragmatic problem-solving. Colleagues would note his unusual blend of low-level systems experience and current product-focused engineering across startups and open projects.
23 years of coding experience
9 years of employment as a software developer
Master, Computer Science and Information Systems, Master, Computer Science and Information Systems at Technical University of Szczecin
Github Skills (200)
libuv10
cpp10
unix10
unicorns10
cvs10
openid-connect10
nodejs10
keycloak10
freebsd10
php10
vpn-server10
oauth10
compile-time10
python10
windows10
Programming languages (11)
Github contributions (5)
DefGuard/wireguard-rs
Sep 2023 - Apr 2025
Rust library providing unified WireGuard interface to native/kernel and userspace implementations
Contributions:45 reviews, 27 PRs, 65 pushes in 1 year 6 months
cratecrateslinuxnetworkingopenvpn
DefGuard/deployment
Nov 2022 - Dec 2024
Deployment files (docker, kubernetes, installer) for defguard enterprise VPN with MFA
Contributions:15 reviews, 10 PRs, 16 pushes in 2 years 1 month
deploymentdevops
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.