Vojtěch Toman
Senior Backend Engineer at Hygraph
Dolní Újezd, Pardubice, Czechia
Summary
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Rockstar🎓
Top SchoolVojtěch Toman is a Senior Backend Engineer with 13 years of pragmatic experience building distributed systems, database internals, and data analytics platforms using Java, Kotlin, and Go. He has a strong track record across both product and core infrastructure roles—from contributing to Hazelcast’s real-time data platform and implementing REST license support to architecting metadata services at GoodData and integrations at BRYTER. Comfortable in cloud-native and high-throughput environments, he has worked on OSS and enterprise-grade systems, including a long history with native XML DBMS internals and XProc tooling. Based in Czechia and holding an M.Sc. in Computer Science from Charles University, he blends deep systems-level expertise with practical delivery in startups and large engineering organizations. Notably, his open-source contributions include schema and configuration improvements to the widely used Hazelcast project, reflecting attention to compatibility and test automation.
13 years of coding experience
22 years of employment as a software developer
Gymnázium A. Jiráska, LitomyšlM.Sc., Computer Science, M.Sc., Computer Science at Charles University in Prague
Czech, English, Dutch, German
Stackoverflow
354reputation
7kreached
14answers
0questions
Github Skills (17)
caching10
configuration-management10
distributed-systems10
java10
javas10
xml10
rest-api9
testing8
scalability7
stream-processing7
xproc6
eclipse6
database6
clojure6
calabash6
Programming languages (7)
Github contributions (5)
hazelcast/hazelcast
Apr 2019 - Jul 2019
Hazelcast is a unified real-time data platform combining stream processing with a fast data store, allowing customers to act instantly on data-in-motion for real-time insights.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:10 commits, 79 PRs, 27 pushes in 3 months
Contributions summary:Vojtěch primarily contributed to the Hazelcast project by updating configuration schemas and version numbers. Their work involved modifying XML configuration generators and updating references to different schema versions. The user also fixed version numbers in test files and added test cases. Furthermore, they made adjustments to the codebase related to whitespace handling in configurations and implemented REST API support for updating licenses.
computationstream-processingbigtablereal-timestreaming-data
vojtechtoman/hazelcast
Mar 2019 - Feb 2020
Open Source In-Memory Data Grid
Contributions:2 PRs, 114 pushes, 59 branches in 11 months
data-gridin-memorymemorygrid
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