Ilhan Mercan
Principal Software Engineer at HackerOne
Amsterdam, North Holland, Netherlands
Summary
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Rockstar🎓
Top SchoolIlhan Mercan is a Principal Software Engineer based in Amsterdam with over a decade of experience building and scaling distributed systems, APIs, and product teams across startups, big tech, and enterprise environments. He pairs hands-on engineering with leadership—coaching senior engineers, tech leads, and managers—while driving architecture and delivery at HackerOne. A former founder who ran his own company, he brings entrepreneurial pragmatism and a can-do attitude to product discovery and execution. His background spans identity, privacy, and platform engineering at KPN and early-career roles in QA and software across Yandex and other firms, giving him a strong cross-functional perspective. Known for transparent, social leadership and a sense of humor, he creates positive, high-performing teams that ship under pressure. He’s continuously learning new technologies and thrives on turning complex ideas into reliable, production-ready products.
10 years of coding experience
12 years of employment as a software developer
Bachelor of Science (BS) Computer Engineering, Bachelor of Science (BS) Computer Engineering at TOBB Ekonomi ve Teknoloji Üniversitesi
English, Turkish, Dutch
Stackoverflow
1reputation
0reached
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Github Skills (60)
ssrf10
domain-name10
python10
hsts10
epp-protocol10
dns10
xss10
epp10
vulnerability9
sql-injection9
security9
jest-puppeteer9
hacking9
session-fixation9
clickjacking9
Programming languages (3)
Github contributions (5)
saeedghx68/jest_puppeteer
Oct 2019 - Oct 2021
This project is a boilerplate to write e2e tests with jest and puppeteer
Contributions:1 review, 4 commits, 1 PR in 1 year 11 months
api-teste2e-testsend-to-end-testingboilerplatejest
ilhanmercan/zenaida
Dec 2018 - Mar 2021
Open source domain registry system built on top of EPP protocol
Contributions:2 PRs, 446 pushes, 72 branches in 2 years 3 months
on-topdomainepp-protocolepp
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