Zdeněk Jonáš
Senior Test Lead at MicroStream Software GmbH
Weismain, Bavaria, Germany
Summary
👤
Senior🎓
Top SchoolZdeněk Jonáš is a seasoned software engineer and test leader with 15+ years of Java-focused experience and a strong track record in quality assurance. As Senior Test Lead at MicroStream Software GmbH since 2019, he helps build a Java Native Persistence solution while overseeing test management and DevOps pipelines with Docker, Kafka, Jenkins, Groovy, and GitHub Actions. Earlier roles include Agile Backend Developer at Witt-Gruppe, where he contributed to a Java/Spring e-commerce platform and automated API and UI testing, and Senior QA Engineer at Samhammer with strategy and automation across integration and performance tests. His leadership extends to QA management and mentoring, including training teams in Java and test automation. He earned a Master's degree in Informatics and Distributed Systems from Západočeská univerzita v Plzni. Based in Weismain, Bavaria, Germany, he combines hands-on engineering with strategic testing leadership across cross-border teams.
10 years of coding experience
11 years of employment as a software developer
Master's degree (Ing.), Informatics and Computer technics - Distributed System, Master's degree (Ing.), Informatics and Computer technics - Distributed System at Západočeská univerzita v Plzni (ZČU)
English, Czech, German
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (61)
serializer10
response-time10
java10
persistence10
minimum10
object-graph10
in-memory9
security9
in-memory-database9
graph9
throughput9
jpa9
storage-engine8
database8
high-performance8
Programming languages (4)
Github contributions (5)
microstream-one/example-android-recyclerview
Dec 2019 - Mar 2022
Android Recyclerview with Microstream
Contributions:1 PR, 7 pushes, 1 branch in 2 years 3 months
recyclerviewandroid-recyclerviewandroidkotlinjava
eclipse-store/store
Jun 2023 - Apr 2025
High-Performance Java-Native-Persistence. Store and load any Java Object Graph or Subgraphs partially, Relieved of Heavy-weight JPA. Microsecond Response Time. Ultra-High Throughput. Minimum of Latencies. Create Ultra-Fast In-Memory Database Applications & Microservices.
Contributions:16 releases, 46 reviews, 138 PRs in 1 year 9 months
in-memory-databasein-memory-storagejavaobject-graphpersistence
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