Stefan Zhelyazkov
Software Architect at Musala Soft
Stara Zagora, Stara Zagora, Bulgaria
Summary
🤩
Rockstar🎓
Top SchoolStefan Zhelyazkov is a Software Architect with nine years of hands-on experience designing and delivering backend-heavy enterprise systems, currently leading architecture at Musala Soft. His career spans high-impact roles at Goldman Sachs, Honest Buildings and WeWork where he optimized large Java applications, built reporting/export tools, and drove service-layer separation and code-quality improvements. Known for refactoring legacy systems, introducing linting and style checks, and significantly reducing runtime and maintenance costs, he combines pragmatic engineering with architectural vision. He also has a history of mentoring and recruiting, from university TA work to leading developer teams, and brings a data-driven approach honed on large-scale credit risk and analytics projects. Based in Stara Zagora, Bulgaria, Stefan blends strong backend expertise with a knack for turning messy legacy codebases into maintainable, performant platforms.
9 years of coding experience
9 years of employment as a software developer
Bachelor of Science in Engineering Computer Science, Bachelor of Science in Engineering Computer Science at University of Pennsylvania
Stackoverflow
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Github Skills (103)
authentication10
security10
eddsa10
paseto10
rest-api10
encryption10
hashicorp-vault10
secrets10
api10
rest10
vault10
golang10
1password10
java10
go10
Programming languages (8)
Github contributions (5)
stefan-zh/glasat2020
Jun 2020 - Jan 2023
Гласът на България 2020 в YouTube
Contributions:1 PR, 75 pushes, 10 branches in 2 years 6 months
javascriptyoutube
stefan-zh/world2037
Mar 2017 - Mar 2022
Contributions:14 pushes, 1 branch in 5 years
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