Freddy Spierenburg
System Engineer at bol.com
Randstad, Netherlands
Summary
👤
Senior🎓
Top SchoolFreddy Spierenburg is a seasoned System Engineer with over a decade of experience building and operating reliable infrastructure across retail, publishing and gaming sectors, currently focused at bol.com. He brings deep Linux and tooling expertise—Debian, Kubernetes, Terraform, ArgoCD, Puppet—paired with monitoring and automation skills using Prometheus, Grafana and Python, and a practical grounding in C. Freddy combines long-term hands-on platform work (multiple system engineering roles since the late 1990s) with formal IT security certification, giving him a pragmatic security-aware approach to infrastructure. Based in the Randstad, he enjoys digging into the core workings of the Internet and translating that curiosity into resilient production systems. Outside of ops he has an unconventional creative streak—years as a bass player—hinting at teamwork and rhythm in how he approaches engineering.
11 years of coding experience
22 years of employment as a software developer
IT Security, IT Security at Certified SecureMTS, Informatica, MTS, Informatica at Zadkine college, Rotterdam
Dutch, English
Github Skills (48)
sniffer9
search-engine9
java9
kubernetes-cluster9
ipv69
haproxy9
elasticsearch9
puppet8
pypi8
go8
restful8
proxy-protocol8
rest8
proxy8
http8
Programming languages (8)
Github contributions (5)
snarlistic/jpnevulator
Sep 2015 - Jul 2020
jpnevulator is a handy serial sniffer. You can use it to send data on a serial device too. You can read or write from/to one or more serial devices at the same time.
Contributions:24 commits, 2 PRs, 14 pushes in 4 years 10 months
sniffer
snarlistic/Crypt_GPG
Oct 2017 - Nov 2019
Encrypt/decrypt PGP messages with PHP
Contributions:2 branches in 2 years 1 month
pgpphp
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.