Andrej Zaujec
Senior Software Engineer at Pex
Bratislava, Region of Bratislava, Slovakia
Summary
👤
Senior🎓
Top SchoolAndrej Zaujec is a Senior Software Engineer based in Bratislava with seven years of experience building resilient, scalable systems and sophisticated scraping solutions. He has progressed through multiple roles at Kiwi.com into senior engineering positions, specializing in bypassing modern bot-detection, browser fingerprinting analysis, and reversing mobile apps using tools like Frida and Ghidra. Andrej is proficient across Python, JavaScript, Go, Kubernetes, and containerized deployments, and has deep operational experience with Redis, Elasticsearch, and observability platforms. Currently at Pex, he continues to combine offensive research-style investigation with production-grade engineering to turn complex anti-bot challenges into reliable automation. Known for learning by “breaking things,” he pairs a curiosity-driven approach with a master’s background in Information Technology and Artificial Intelligence. Colleagues would describe him as a pragmatic problem-solver who surfaces subtle protocol- and fingerprint-level insights that most engineers overlook.
8 years of coding experience
6 years of employment as a software developer
Master's degree Information Technology and Artificial Intelligence, Master's degree Information Technology and Artificial Intelligence at Brno University of Technology
Github Skills (3)
network-monitoring3
bitcoin-core3
bitcoin3
Programming languages (1)
Github contributions (5)
fruit098/crypto_monitor
Mar 2020 - Jun 2020
My Bachelor thesis implementation of the Bitcoin network monitoring platform based on the calling BitcoinCore client.
Contributions:12 commits, 2 PRs, 40 pushes in 2 months
bitcoinbitcoin-corenetwork-monitoring
fruit098/VUT-FIT
Aug 2021 - Jul 2022
Contributions:4 pushes, 1 branch in 11 months
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