Jiří Balcar
Back End Developer & Techlead at freelance
Prague, Czechia
Summary
👤
Senior🎓
Top SchoolJiří Balcar is a pragmatic Back End Developer and Techlead with 11 years of experience building Spring Boot and Kotlin/Java systems and leading teams across banking and startup environments. He combines hands-on backend work (Java 21, Spring 6/Boot 3, Hibernate, Kafka, GraphQL) with frontend Angular experience and a background in digital channels architecture for large-scale internet and mobile banking. Comfortable from low-level TCP/IP and VOIP interests to systems administration (Linux, Tomcat, NGINX) and Kubernetes/Docker deployments, he often bridges architecture, integration and delivery. His career blends formal analysis skills (UML, BPMN) and product-facing leadership—he has led a ~50-person digital channels domain while still shipping code and mentoring teams. Notably, he moves between tech-lead roles in startups and hands-on freelance work, keeping both deep technical craft and pragmatic operational perspective.
11 years of coding experience
5 years of employment as a software developer
English, IT and Programming, Maths, Czech Language, English, IT and Programming, Maths, Czech Language at Gymnázium Lanškroun
English
Stackoverflow
11reputation
470reached
0answers
1question
Github Skills (87)
svg10
flask10
javascript10
charts10
wsgi10
pyramid10
webapp10
geocoding10
cli10
angular10
typescript10
visualization10
echarts9
browser9
alarm9
Programming languages (6)
Github contributions (5)
JiriBalcar/angular-datepickr
Oct 2016 - May 2017
Contributions:21 commits, 13 pushes, 1 branch in 6 months
datepickerangular-datepickerangular
JiriBalcar/components
Nov 2021 - Nov 2021
Component infrastructure and Material Design components for Angular
Contributions:2 pushes, 1 branch in 18 days
materialmaterial-design-componentsinfrastructurecomponents-designmaterial-design
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