Daniel Witkowski

Principal Sales Engineer at Azul with over 20 years of experience in software engineering, performance tuning, and technical consulting — with the last decade dedicated to helping enterprises across EMEA and globally get the most out of the Java platform.

2 articles

Dec 1, 2025 Daniel Witkowski, Frank Delporte, Ko Turk, Ronald Dehuysser

Foojay Podcast #84: Developing Performant, Cost Efficient, and Eco-friendly Code

In this Foojay Podcast, we're exploring a critical topic that's becoming increasingly important in our industry: developing sustainable …

Podcast

Nov 25, 2025 Daniel Witkowski

The Art of Performance Tuning: Why Saving 30% in the Cloud Means Nothing if Your Code Wastes 1000× More

The Hidden Cost of “Good Enough” Code A few weeks ago, Kirk Pepperdine published a fascinating performance challenge — a small Java code …

Debugging Design Patterns