Christoffer Holmberg
Cloud Engineer at Solita
Helsinki Metropolitan Area Finland
Summary
👤
Senior🎓
Top SchoolChristoffer Holmberg is a Cloud Engineer with 12 years of hands-on experience building and operating production systems, most recently contributing to cloud and platform work at Solita after a long tenure at Hufvudstadsbladet. He helped design and maintain an online news platform implemented in Haskell and Purescript and deployed on Kubernetes, pairing backend and DevOps expertise with Linux systems administration and CI/CD. Comfortable across Python, Dhall, Bash, JavaScript and more, he blends infrastructure automation with pragmatic full-stack development. A polyglot communicator fluent in English, Swedish and Finnish, he’s accustomed to remote-first collaboration from Porvoo while stepping into offices when needed. His open-source contributions include firmware-level enhancements to the widely used QMK keyboard project, showing attention to low-level detail beyond typical cloud work. Loyal and team-oriented, he prefers long-term roles where he can own responsibilities and keep learning new technologies.
12 years of coding experience
9 years of employment as a software developer
Bachelor of Engineering (B.Eng.), Information Technology, Bachelor of Engineering (B.Eng.), Information Technology at Arcada University of Applied Science
English, Swedish, Finnish, German
Github Skills (19)
qmk-firmware10
firmware10
keyman10
qmk10
c1110
keymaps10
c1710
keyboard-layout10
keymapping10
cplus10
cpp10
atmel9
keyboard9
keyboard-input9
atmel-studio9
Programming languages (13)
Github contributions (5)
qmk/qmk_firmware
Aug 2018 - Oct 2019
Open-source keyboard firmware for Atmel AVR and Arm USB families
Role in this project:
Embedded Systems Engineer / IoT Developer
Embedded Systems Engineer / IoT DeveloperContributions:7 commits, 7 PRs, 4 comments in 1 year 2 months
Contributions summary:Christoffer primarily contributes to keyboard firmware development, focusing on layout modifications and enhancements. They implemented Nordic layouts for the ErgoDox and Planck keyboards, including adding new layers, adjusting key mappings, and integrating features like mouse movement control. Their work also involves updating documentation and fixing keycode typos within the QMK firmware. These contributions indicate a strong focus on customizing keyboard functionality through code-level changes.
rp2040firmwareavratmelkeyboard-support
KSF-Media/mosaico
Aug 2022 - Aug 2024
Contributions:380 pushes, 1 branch in 1 year 11 months
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