Lukas Vrabel
Principal Machine Learning And Biometrics Advisor Lead at ACAI.AI
Brno, South Moravia, Czechia
Summary
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Rockstar🎓
Top SchoolLukas Vrabel is a Principal Machine Learning and Biometrics Architect based in Brno with six years of industry experience building privacy-first biometric systems and end-to-end ML products. He leads research and engineering teams to deliver on-device face recognition and anti-spoofing solutions, has driven NIST FRVT participation, and overseen hundreds of terabytes of data collection and ML infrastructure. As a co-founder and consultant he helps startups and enterprises design production pipelines, from frontend to devops, applying deep learning across computer vision, NLP, recommender systems and semantic search. Lukas pairs hands-on backend and test automation work—evidenced by contributions to the widely used Keycloak IAM project—with strategic hiring, coaching, and roadmap planning. He blends academic training in AI with practical experience shipping smartphone-ready ML models and scalable data products.
6 years of coding experience
15 years of employment as a software developer
Master of Science, Artificial Intelligence, Master of Science, Artificial Intelligence at Brno University of Technology
English, Slovak, Czech
Stackoverflow
827reputation
81kreached
10answers
0questions
Github Skills (15)
keycloak10
javas10
java10
oid9
saml8
amazon-sagemaker6
xgboost6
boto6
tiles6
dictionary6
amazon-web-services6
airflow6
python6
leaflet6
jupyter6
Programming languages (5)
Github contributions (5)
keycloak/keycloak
Sep 2020 - Jun 2021
Open Source Identity and Access Management For Modern Applications and Services
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:228 reviews, 11 commits, 81 PRs in 9 months
Contributions summary:Lukas primarily focused on adding and validating supported locales within the Keycloak project's theme settings, demonstrating backend development skills. They modified Java code in testsuite files to include new test cases that validate these locales. Additionally, the user made changes to Java classes, particularly those dealing with theme settings and reserved character validation, demonstrating a good grasp of Keycloak's architecture and testing methodologies, which likely involves both development and test automation.
oidcauthorizationidentity-and-access-managementaccess-managementsecurity
lhanusov/keycloak
Apr 2020 - Mar 2025
Open Source Identity and Access Management For Modern Applications and Services
Contributions:384 pushes, 84 branches in 5 years
oidcauthorizationidentity-and-access-managementaccess-managementsecurity
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