Martin Ladecký
tech lead in Commerzbank, exCTO Loono, Czech JUG organiser
Prague, Czechia
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A technical leader with over 15 years of experience in high-stakes banking and non-profit digital transformation. Currently, he is architecting the "Exit Strategy" for some of the largest data volumes in European banking, moving billions of records to the cloud. When he isn't re-architecting legacy systems, he organizes the Czech Java User Group and contributes to Česko.Digital to help NPOs change lives through technology.
Area of Expertise
Topics
The Complete Guide to Secret Hygiene for Java and Cloud-Native Engineers
"It’s just a local config." "I’ll delete the history later." In the fast-paced world of Cloud-Native Java, these common phrases are the precursors to security disasters.
As developers, our tools are designed for convenience, but that convenience often creates "secret leaks" across the entire supply chain. This session is a forensic deep dive into how credentials escape into the wild. We will perform live autopsies on common security blunders, tracing secrets through:
• The Developer Desk: Plain-text risks in Maven settings.xml.
• The Source: Why git rm fails to protect your history.
• The Image: Using dive to uncover passwords in "deleted" Docker layers.
• The Pipeline: How CI/CD logs in Jenkins or TeamCity can betray you.
• The Runtime: Moving from hardcoded Tomcat server.xml to modern Vault injection.
This isn't just a talk about what's broken; it's a guide on how to fix it. You will leave with a practical toolkit of pre-commit hooks, Maven encryption techniques, and secret injection strategies to ensure your credentials stay exactly what they were meant to be: secret.
Building Loono: A Deep Dive into the Tech Stack and Design Choices of a Mobile Health App
Get a behind-the-scenes look at the development of the Loono mobile app, a platform dedicated to preventative healthcare with a strong focus on self-examination. Martin will guide you through the key architectural decisions, technology choices (Flutter, AWS, GitHub Actions), and their rationale. Learn how Loono leverages cloud tools to manage fast and scalable development, costs, and reliability for more than 50 thousand users.
MakeIT 2026 / JCON OpenBlend Slovenia 2026 Sessionize Event Upcoming
Spring I/O 2026 Sessionize Event Upcoming
KCD Czech & Slovak 2025 Sessionize Event
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