Çalgan Aygün
Senior DevOps Lead at FinalCheck
Warsaw, Masovian Voivodeship, Poland
Summary
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Rockstar🎓
Top SchoolÇalgan Aygün is a Senior DevOps Lead with nine years of experience building cloud-native infrastructure and backend systems, currently leading DevOps at FinalCheck from Warsaw. He blends hands-on software development with cloud automation—comfortable clicking buttons on AWS, authoring YAML pipelines, and hardening production systems. His background includes backend/cloud engineering at Quar Pay and security-focused development at My Security Analytics, plus long-term freelance experience that sharpened his full-stack pragmatism. An active open-source contributor, he strengthened the mosint OSINT email tool by adding email verification, DNS and Google search integrations and improving robustness. Passionate about technology communities and continuously learning (pursuing an MS in Computer Science), he brings a curious security-minded perspective not obvious from job titles alone.
9 years of coding experience
12 years of employment as a software developer
Master of Science - MS, Computer Science, Master of Science - MS, Computer Science at Polish-Japanese Academy of Information TechnologyBachelor of Science - BS, Computer Engineering, Bachelor of Science - BS, Computer Engineering at Hacettepe Üniversitesi
English, Turkish, German
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (11)
apim10
api10
osi10
dns10
data-collection10
python10
information-gathering10
email-verification10
automation9
automations9
go4
Programming languages (10)
Github contributions (5)
alpkeskin/mosint
Nov 2020 - Oct 2022
An automated e-mail OSINT tool
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 review, 15 commits, 3 PRs in 1 year 11 months
Contributions summary:Çalgan focused on enhancing the functionality and robustness of the `mosint` tool. They made significant improvements by updating and integrating various methods, including Google Search, DNS lookup, and related domain and number lookups. The contributions involved cleaning and refactoring code, fixing bugs, and integrating third-party services. Furthermore, the user integrated several new features for email verification and DNS lookup, contributing to the tool's overall capabilities.
information-gatheringpythonmailemail-checkerdata-breach
calganaygun/calganaygun
Jul 2020 - Aug 2024
Contributions:13 pushes, 1 branch in 4 years 1 month
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