Ondřej Schrek
Softwarový Inženýr at Freelancer
Prague, Prague, Czechia
Summary
👤
Senior🎓
Top SchoolOndřej Schrek is a pragmatic JVM-focused software engineer with 10 years of experience building backend systems in Kotlin and Java for fintech, banking and trading platforms. He’s delivered greenfield microservices and high-throughput asynchronous systems using Micronaut, Spring, coroutines/flow and technologies like PostgreSQL, Redis, Hazelcast and QuestDB. As a freelancer and contractor based in Prague he blends hands-on implementation with performance-focused optimizations and has contributed to products for BudgetBakers, Partners Banka, Nedbank and other finance-focused clients. He also teaches Java courses and helped design an online Java academy, reflecting a knack for clear technical communication. Known for taking ownership of end-to-end backend concerns, he often pairs system design with practical tooling and deployment experience (Docker/Kubernetes, Gradle, Liquibase).
10 years of coding experience
9 years of employment as a software developer
Bachelor degree (Bc.), Applied informatics, Bachelor degree (Bc.), Applied informatics at Vysoká škola polytechnická JihlavaGraduation with honors, Information technologies, Graduation with honors, Information technologies at Střední průmyslová škola JihlavaMaster degree (Ing.), Information systems and technologies, Master degree (Ing.), Information systems and technologies at Vysoká škola ekonomická v PrazeInformatics, Informatics at České vysoké učení technické v Praze
Čeština, English
Github Skills (153)
serverless10
intellij-plugin10
brackets10
translation10
groovy10
oai10
jetbrains-ides10
fleet10
deveco-studio10
java10
springfox10
spring-data-rest10
translate10
android-studio10
kotlin10
Programming languages (7)
Github contributions (5)
schrek1/IndoorNavigation
Aug 2016 - Sep 2016
Contributions:13 commits, 10 pushes, 3 branches in 16 days
schrek1/custom_postfix_templates
Aug 2021 - Feb 2025
Contributions:25 pushes, 1 branch in 3 years 6 months
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