Dmytro Vdovychynskyi
Security Engineer at Preply
Ukraine
Summary
👤
Senior🎓
Top SchoolDmytro Vdovychynskyi is a Security Engineer with 11 years of experience blending software engineering, infrastructure, and security at Preply, where he progressed from backend developer to leading external security assessments and driving migrations to HashiCorp Vault, AWS SSO, and AWS Organizations. He focuses on infrastructure and application security, bug bounty triage, and pragmatic DevOps practices that reduce risk while enabling product velocity. With a strong applied mathematics foundation from Kyiv Polytechnic Institute, he brings analytical rigor to threat modeling and security automation. Dmytro also has a track record of improving developer experience—introducing CI linters, PEP-8 compliance, and open-sourced tooling like dj_anonymizer to make safe local development possible.
11 years of coding experience
5 years of employment as a software developer
Igor Sikorsky Kyiv Polytechnic Institute
English, Ukrainian, Spanish
Stackoverflow
2,647reputation
182kreached
15answers
21questions
pandas
top-5%
python
top-5%
Github Skills (165)
devsecops10
python10
vulnerability-scanners10
security10
vulnerability-detection10
docker-container10
pyflakes10
misconfiguration10
django10
sublime-text10
pandas10
github-app10
anonymize10
data-science10
vulnerability10
Programming languages (13)
Github contributions (5)
chinskiy/test_text_summarization
Sep 2015 - Jun 2019
Contributions:8 PRs, 7 pushes, 3 branches in 3 years 9 months
chinskiy/preply_test_dev
Jul 2016 - Jun 2019
Contributions:1 PR, 5 pushes, 1 branch in 2 years 11 months
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