Csaba Kavai
Freelance Software Engineer at FedEx
Budapest, Hungary
Summary
👤
Senior🎓
Top SchoolCsaba Kavai is a seasoned Java-focused software engineer and architect based in Budapest with over a decade of experience building and securing enterprise systems across finance, logistics, healthcare, and mobility. He has delivered low-latency trading platforms, authentication and X.509-based authorization layers, and complex backend services for companies including FedEx, Uber, BlackRock, and GE Healthcare. Comfortable across the stack, he applies deep Java concurrency, Spring, and database expertise alongside Python when needed, and has led teams on greenfield and integrative projects. His background includes designing RESTful licensing and payment APIs for automotive software and implementing TLS mutual-auth security plugins for Spring Security—work that blends practical engineering with strong security craftsmanship. As a freelancer since 2021, he combines hands-on coding with architectural oversight to help teams ship reliable, secure systems. He holds a Master’s in Computer Science from the University of Szeged and brings a pragmatic, systems-oriented mindset honed on mission-critical applications.
13 years of coding experience
13 years of employment as a software developer
Master's degree, Computer Science, Master's degree, Computer Science at University of Szeged
Hungarian, English
Stackoverflow
6,490reputation
574kreached
52answers
33questions
httpurlconnection
top-5%
java
top-5%
Github Skills (52)
low-latency9
caching9
java9
httpurlconnection9
pkcs8
aes8
hmac8
hazelcast8
distributed-computing8
pbkdf28
in-memory7
message-digest7
data-platform7
big-data7
distributed-systems7
Programming languages (3)
Github contributions (5)
kavai77/webclipboard
May 2020 - Apr 2025
https://webclipboard.himadri.eu/
Contributions:23 pushes, 3 branches in 4 years 11 months
webappextjs
kavai77/SCMTMarathon
Aug 2015 - Feb 2022
Contributions:37 pushes, 33 issues in 6 years 7 months
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