René Schwietzke

Image with slug rene-schwietzke

René Schwietzke is the Managing Director of Xceptance, based in Germany and the US. As co-founder, he has played a major role in shaping the company's profile, including the continuous evaluation and development of their test tools and services.

More than two decades ago, René started with Java version 1.0 and has since then gained extensive experience in performance tuning and performance measurements. Working for various e-commerce and quality assurance companies, he became an expert in performance testing and tuning large-scale applications.

René holds a Master's degree in Computer Science and likes to share his knowledge by giving university lectures. He is a regular speaker at international software development conferences and gives training talks on Java, GC and memory management, as well as quality assurance and testing.


Java - Parallel Programming is Hard

Insights into how Java deals with concurrency, why many developer assumptions are wrong, and what optimizations are applied to code to make it run fast while still obeying the limits of the spec. More...