Stefan Pacinda
Senior Director Of Professional Services at Rossum
Prague, Czechia
Summary
🤩
Rockstar🎓
Top SchoolStefan Pacinda is a Senior Director of Professional Services based in Prague with 11 years of experience building and leading teams that deliver complex, enterprise-grade software and AI integrations. He has progressed through technical and leadership roles at Rossum and H2O.ai, blending hands-on solution architecture with people and delivery management across professional services. Stefan’s background in scalable, low-latency distributed systems and service virtualization (HPE) complements his contributions to the open-source H2O-3 project, where he improved Hive JDBC integration and test automation for a widely used ML platform. He excels at turning proof-of-concept work into production-ready features and documentation, and often bridges gaps between engineering, customers, and product. With a strong academic foundation from Charles University and international study experience, he brings both deep technical fluency and pragmatic customer-focused delivery.
11 years of coding experience
11 years of employment as a software developer
Master's degree, Computer Software Engineering, Master's degree, Computer Software Engineering at Charles University in Prague Faculty of Mathematics and PhysicsComputer Science, Computer Science at Kansas State UniversityComputer Science, Computer Science at Universität des Saarlandes2000, 2000 at Gymnasium Dašická, Pardubice
English, German
Github Skills (13)
javas10
hive10
h2o10
jdbc10
java10
testing10
data-science9
python9
machine-learning9
documentation8
distribute7
automl7
big-data7
Programming languages (4)
Github contributions (5)
h2oai/h2o-3
Mar 2018 - May 2018
H2O is an Open Source, Distributed, Fast & Scalable Machine Learning Platform: Deep Learning, Gradient Boosting (GBM) & XGBoost, Random Forest, Generalized Linear Modeling (GLM with Elastic Net), K-Means, PCA, Generalized Additive Models (GAM), RuleFit, Support Vector Machine (SVM), Stacked Ensembles, Automatic Machine Learning (AutoML), etc.
Role in this project:
Back-end Developer & QA Engineer/Test Automation Engineer
Back-end Developer & QA Engineer/Test Automation EngineerContributions:35 commits, 10 PRs, 24 pushes in 2 months
Contributions summary:Stefan primarily contributed to improving the H2O-3 platform's data import capabilities, focusing on Hive integration. Their work involved enabling the Hive2 JDBC driver, fixing database connection conditions, and adding and refining tests for Hive import functionality. They also updated the documentation to accurately reflect the configuration steps for integrating the Hive JDBC client jars.
xgboostgampythonk-meansautoencoders
stexyz/be-opm-validation
Dec 2015 - Sep 2017
Contributions:35 pushes, 1 branch in 1 year 8 months
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