Karl Wallenius
Software Developer at bba;
Stockholm, Sweden
Summary
👤
Senior🎓
Top SchoolKarl Wallenius is a Stockholm-based software developer with 11 years of experience specializing in backend and microservices (Go, Node.js), cloud architecture in Azure, and automation tooling. He blends hands-on systems work—PowerShell-driven automation, nginx/IIS ops, Linux fundamentals and networking—with modern IaC and CI/CD practices to deliver reliable distributed systems. Karl has progressed from infrastructure and DevOps roles into senior engineering and head of development positions, consistently focusing on developer tooling and operational resilience. Known among peers as a "cloud warrior," he pairs practical scripting skills with Go tooling expertise to shrink operational overhead and accelerate delivery. Notably, he moves seamlessly between low-level server administration and high-level cloud design, making him effective at both debugging production incidents and designing scalable services.
11 years of coding experience
10 years of employment as a software developer
Free-standing course Computer Programming, Free-standing course Computer Programming at Blekinge Tekniska HögskolaComputer Sciences, Computer Sciences at Umeå UniversityFree-standing course: JavaScript jQuery NodeJS and HTML5 Computer Programming, Free-standing course: JavaScript jQuery NodeJS and HTML5 Computer Programming at Blekinge Institute of TechnologyAssociate’s Degree Datasystem Management, Associate’s Degree Datasystem Management at Kristianstad University
English, Swedish
Github Skills (81)
arm10
linux10
powershell10
azure10
shell10
command-line10
powershell-module9
windows9
netcore9
microsoft9
oneget9
macos9
splits8
azure-devops8
sdk8
Programming languages (9)
Github contributions (5)
RedeployAB/webreq
Nov 2018 - Mar 2023
Small and simple module for handling HTTP/HTTPS requests.
Contributions:41 PRs, 51 pushes, 42 branches in 4 years 4 months
web-serverhttp-clientjavascriptnodejshandling
KarlGW/kaguwa-engine
Apr 2016 - Oct 2016
Contributions:101 pushes, 14 branches, 2 tags in 5 months
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