Viliam Krizan
Principal Software Engineer - Red Hat Lightspeed
Brno, Southeast, Czechia
Summary
🤩
Rockstar🎓
Top SchoolViliam Krizan is a Principal Software Engineer at Red Hat Lightspeed with a decade of experience building cloud-native backend microservices and Kubernetes/OpenShift operators, alongside React frontend work. He has driven strategic cloud-to-on‑prem migrations and designed critical Kubernetes solutions for database replication and AI‑enabled system management that reduced operational costs. Comfortable across Ruby, Python, Java and Go, he blends hands‑on engineering with platform-level architecture and has progressed through multiple senior roles within Red Hat. An active open‑source contributor, his backend work on djangoql improved query handling and schema robustness, reflecting attention to both correctness and developer ergonomics. Based in Brno with a Master’s in Telecommunications Engineering, he pairs deep systems knowledge with pragmatic delivery in production environments.
10 years of coding experience
15 years of employment as a software developer
Master's degree, Telecommunications Engineering, Master's degree, Telecommunications Engineering at Brno University of TechnologySPSE K. Adlera 5
English, Slovak
Github Skills (6)
schema-design10
python10
django10
javascript9
web-development9
testing8
Programming languages (10)
Github contributions (5)
ivelum/djangoql
Oct 2018 - Nov 2018
Advanced search language for Django
Role in this project:
Back-end Developer
Back-end DeveloperContributions:9 commits, 10 PRs, 25 comments in 25 days
Contributions summary:Viliam primarily contributed to the `djangoql` project, focusing on the back-end logic and functionality of the Django-based search language. Their contributions include fixing schema issues, adding methods for component destruction and improving the handling of related fields. They also implemented the ability to pass an HTMLElement through a selector, and addressed type errors and logic issues.
djangopythonsearchadvanced-search
vkrizan/NotificationCounter
Dec 2015 - Nov 2022
Gnome Extension: Shows number of notifications in queue
Contributions:2 reviews, 22 commits, 17 PRs in 7 years
gnomegnome-extensionnotifications
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