Daniel Balcarek - DEV Community

Senior software engineer building and analyzing backend systems with a focus on architecture and performance.
Brno University of Technology
Senior Software Engineer
Awarded for submitting a valid entry to the Kaggle Benchmarking Challenge. Thank you for participating! 📊
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Community curators have picked eight of your posts as their favorite gems!
Awarded for completing a Hacktoberfest 2026 Challenge. Thank you for participating! 🤝
Community curators have picked four of your posts as their favorite gems!
Awarded for submitting a valid entry to DEV's Big Summer Bug Smash powered by Sentry. Thank you for participating! 🐛
Community curators have picked two of your posts as their favorite gems!
You're a true community hero! You've maintained your commitment by posting at least 2 comments per week for 32 straight weeks. Now enjoy the celebration! 🎉
Awarded to the top Angular author each week
You're a consistent community enthusiast! Keep up the good work by posting at least 2 comments per week for 24 straight weeks. The next badge you'll earn is the coveted 32!
Awarded for completing the June Solstice Game Jam. Thank you for participating! 💻
Awarded for winning the GitHub Copilot "Finish-Up-A-Thon" Challenge 🏆
Awarded for completing the Gemma 4 Challenge. Thank you for participating! 💻
Awarded to the top C# author each week
You're a dedicated community champion! Keep up the great work by posting at least 2 comments per week for 16 straight weeks. The prized 24-week badge is within reach!
Award for winning a prompt in the OpenClaw Challenge 🏆
Awarded for completing the April Fools Challenge. Thank you for participating! 💻
Awarded for completing at least one prompt in the 2026 WeCoded Challenge. Thank you for participating! 💻
Awarded for utilizing the Cloud Run embed in a DEV post.
Consistency pays off! Be an active part of our community by posting at least 2 comments per week for 8 straight weeks. Earn the 16 Week Badge next.
Awarded for completing the GitHub Copilot CLI Challenge. Thank you for showing us how you power up your terminal workflow! 💻
Awarded for sharing the top weekly post under the #discuss tag.
Keep contributing to discussions by posting at least 2 comments per week for 4 straight weeks. Unlock the 8 Week Badge next.
Awarded for completing a Google AI Challenge. Thank you for participating!
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For actively engaging with the community by posting at least 2 comments in a single week.
Awarded for writing and sharing your first DEV post! Continue sharing your work to earn the 4 Week Writing Streak Badge.
• C# / .NET (ASP.NET Core), backend architecture & performance, distributed systems • TypeScript (Angular) • PostgreSQL, Oracle • Azure, Google Cloud Run • Docker, Kubernetes • CI/CD (Jenkins)
Exploring how AI changes backend and system architecture design
Built with Angular 22 and malicious e-shop tools
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Iterated attacks successfully poison log analysis
Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle Submission 💸
CI pipeline failures reveal local vs remote quirks
Kaggle Benchmarking Challenge Submission
Explores a novel fee model to fund open source
Real-world traffic rules and root-cause pains