Erol Hadzhi
Senior Software Engineer at Prime Holding JSC
Sofia, Sofia-City, Bulgaria
Summary
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Senior🎓
Top SchoolErol Hadzhi is a Senior Software Engineer with 11 years of experience designing and shipping high-performance, fault-tolerant distributed systems, currently driving root-cause analysis automation at Prime Holding. He specializes in Java/Spring Boot backends, observability-driven optimization, and persistence-layer tuning across MySQL/MariaDB and Cassandra, with measurable results like 10x reductions in manual work and outage triage time. Erol has repeatedly turned outsourced platforms into in-house, high-quality services—introducing CI/CD, significant security fixes, and large performance gains—while enabling product expansions such as Trading212’s move from CFDs to actual stock trading. Based in Sofia, he combines pragmatic engineering with an antifragile mindset and a knack for turning complex, production-critical requirements into reliable, scalable solutions.
11 years of coding experience
2 years of employment as a software developer
Computer Science, Computer Science at Sofia University St. Kliment Ohridski
Bulgarian, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github contributions (5)
ehadzhi/huffman-coding
Dec 2015 - Dec 2022
Contributions:3 pushes, 1 branch in 7 years
ehadzhi/leetcode
Nov 2022 - Feb 2023
Contributions:90 commits, 85 pushes, 1 branch in 2 months
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