René Schwietzke
President at Xceptance
Jena, Thuringia, Germany
Summary
👤
Senior🎓
Top SchoolRené Schwietzke is a seasoned software leader and performance-focused engineer with 13+ years driving quality and scalability as President and Managing Director at Xceptance in Jena. He combines hands-on Java high-performance tuning and load testing expertise with commercial responsibilities in sales, product ownership, and operations, ensuring complex e-commerce platforms remain stable and responsive. A longtime practitioner of performance engineering since the early Java days, he’s known for translating deep technical diagnostics into actionable results for customers and teams. René is also an experienced conference speaker and trainer who demystifies profiling, microbenchmarks, and how to communicate performance test outcomes to stakeholders. Not obvious at first glance: he bridges the gap between technical troubleshooting and go-to-market execution, turning performance insights into business value.
13 years of coding experience
19 years of employment as a software developer
Master Computer Science, Master Computer Science at Brandenburgische Technische Universität Cottbus-Senftenberg
German, English, German, English
Github Skills (99)
hugo10
testing10
htaccess10
performance-testing10
junit10
load-testing10
htmlunit10
localization10
csv10
developer-tools10
test-automation10
lighthouse10
docsy10
audit10
java10
Programming languages (10)
Github contributions (5)
Xceptance/SiteGenesis-Community-TestSuite
Feb 2015 - Nov 2017
Contributions:4 releases, 81 PRs, 120 pushes in 2 years 9 months
demandwareacteffortlicensedtest-automation
Xceptance/Xceptance-Website-OpenSource
Oct 2014 - Feb 2018
This is the open source version of our company's website - www.xceptance.com. We want to share how we used Jekyll, Less, and others. It also shows some tricks around localization as well as demonstrates some htaccess magic.
Contributions:8 commits, 4 PRs, 7 pushes in 3 years 4 months
htaccessjekylllocalization
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.