Ján Vorčák
Founder at Stealth
Brno, Southeast, Czechia
Summary
🤩
Rockstar🎓
Top SchoolJán Vorčák is a founder and seasoned software leader with 11 years of experience building scalable web and data systems from Brno, Czechia. He has led and grown engineering teams as CEO and CTO of Senvio, delivering enterprise-grade frontends in React and Vue.js, and moved into multiple founding roles—including Stealth and DOMEUM—focusing on product-first engineering. Earlier work spans large-scale Python-powered crawling and systems development at Opoint (MBrain Group), C/Python maintenance, and end-to-end QA automation at Red Hat, reflecting a hands-on full-stack background. Ján combines technical depth in distributed data ingestion with a pragmatic emphasis on testable, maintainable code and stable releases. His academic training includes advanced studies in programming and networks from the University of Oslo and computer systems from Masaryk University, highlighting a strong theoretical foundation behind practical execution. Colleagues describe him as an entrepreneurially minded technologist who prefers shipping reliable systems over chasing hype.
11 years of coding experience
5 years of employment as a software developer
Bachelor's degree, Computer Systems and Data Processing, Bachelor's degree, Computer Systems and Data Processing at Masaryk University BrnoMaster's degree, Programming and Networks, Master's degree, Programming and Networks at Universitetet i Oslo / University of Oslo (UiO)Master's degree (DNF), Computer Systems, Master's degree (DNF), Computer Systems at Masaryk University Brno, Faculty of Social Studies
English, Slovak, Czech, German, Norwegian
Stackoverflow
19,531reputation
4.3mreached
111answers
52questions
swing
top-5%
dictionary
top-1%
python
top-1%
java
top-5%
Github Skills (200)
zero-configuration10
python10
textarea10
redpanda10
real-time-data10
masking10
floating10
declarative10
time-travel10
javascript10
dataops10
ram10
filtering10
tooltips10
developer-tools10
Programming languages (7)
Github contributions (5)
jvorcak/useful-js-links
Feb 2017 - May 2018
Contributions:5 commits, 4 pushes, 1 branch in 1 year 2 months
webscopeio/django-slack-app
Feb 2020 - Sep 2022
Everything you need to easily integrate your Django app with Slack
Contributions:23 releases, 33 commits, 3 PRs in 2 years 7 months
everythingpythondjangoslackslack-api
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