Jaroslav Holaň
Software Developer at FTMO
Prague, Prague, Czechia
Summary
👤
Senior🎓
Top SchoolJaroslav Holaň is a seasoned Java and Kotlin backend developer with over 15 years of hands-on experience building enterprise-grade services and the last three years focused on Kotlin microservices and identity/security (Keycloak) at FTMO. He combines pragmatic Clean Code and TDD practices with full lifecycle experience—from requirements and architecture to testing and release—and has introduced agile ways of working as a coach and co-founder. His background spans banking and cloud platforms, messaging with Kafka, and PostgreSQL-backed systems, plus practical DevOps experience with Docker, CI/CD and Azure/AWS. Co-author of Vaadin 7 Cookbook and a podcast on developer skills, he pairs deep technical craft with clear communication and product-minded thinking. An often overlooked strength is his history of automating migration and tooling projects that saved customers significant time and cost, reflecting an aptitude for developer productivity improvements.
11 years of coding experience
18 years of employment as a software developer
Bachelor's Degree, Java, Information Systems Development, Databases, Internet Technology, C++, AI, Bachelor's Degree, Java, Information Systems Development, Databases, Internet Technology, C++, AI at Vysoká škola báňská - Technická univerzita Ostravaleaving examination, Mechanic of electronics for driving and numerical techniques, leaving examination, Mechanic of electronics for driving and numerical techniques at SOUs Ostrava-Hrabůvka, Hasičská
English, Czech, Russian, Japanese
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (23)
saml9
keycloak9
access-management8
sms8
twilio7
bots7
microsoft-teams7
apiary6
jna6
bot-application6
facebook6
facebook-messenger6
chatbot5
slack5
conversational-ui5
Programming languages (4)
Github contributions (5)
JaroslavHolan/coderetreat.github.io
Nov 2018 - Oct 2023
Contributions:9 pushes in 5 years
JaroslavHolan/demo
Jul 2015 - Nov 2018
Contributions:1 push, 1 branch in 3 years 4 months
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