Karel Vaculík
Principal Data Scientist
Prague, Czechia
Summary
👤
Senior🎓
Top SchoolKarel Vaculík is a Principal Data Scientist at Oracle with nine years of experience applying research-grade rigor to production AI systems, specializing in LLM evaluation and agentic workflows. He designs scalable, secure evaluation frameworks and LLM-as-a-judge methodologies that optimize for fidelity, cost, and latency while operating across OCI and hybrid infrastructures. With a PhD in pattern mining and deep roots in NLP, he blends academic methods with Python- and Java-based engineering to ship enterprise-ready services and automated CI/CD deployments. He also serves as a Scrum Master and mentor, fostering high-performing agile teams that bridge experimental research and operational reliability. Outside work he stays hands-on exploring modern application frameworks through personal coding projects, reflecting a continual curiosity beyond his enterprise role.
9 years of coding experience
7 years of employment as a software developer
Doctor of Philosophy - PhD, Informatics, Doctor of Philosophy - PhD, Informatics at Masaryk University BrnoRNDr., Artificial Intelligence and Natural Language Processing, RNDr., Artificial Intelligence and Natural Language Processing at Masaryk University Brno, Faculty of InformaticsBachelor's degree, Automation and Measurement, Bachelor's degree, Automation and Measurement at Brno University of Technology, Faculty of Electrical Engineering and Communication
Czech, English, German
Github Skills (17)
css9
web-development8
html8
http8
javascript8
documentation7
fundamentals6
deep-learning5
pytorch5
python4
web-developer3
web-standards3
machine-learning1
spark1
hadoop1
Programming languages (3)
Github contributions (5)
karelvaculik/pyreball
Sep 2021 - Jun 2024
Python Reporting tool.
Contributions:9 releases, 1 review, 36 PRs in 2 years 10 months
reporting-toolpythonreporting
karelvaculik/waldis
May 2017 - Apr 2018
Contributions:7 pushes, 1 branch in 10 months
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