Ahmad Hajjar
Senior Software Developer at OTTO GmbH & Co KG
Hamburg, Germany
Summary
👤
Senior🎓
Top SchoolAhmad Hajjar is a Senior Software Developer with 12 years of professional experience and a programming journey that began at age 14, self-taught from Visual Basic to modern backend architectures. Based in Hamburg, he has led and delivered software across agencies and enterprises—including OTTO, Dept, and multiple lead roles—focusing on RESTful APIs, scalable product architecture, and mentoring distributed teams. Ahmad combines hands-on coding with team leadership and process improvement, often shaping architecture and best practices while still contributing to implementation and testing. He values language-agnostic problem solving and pragmatic design, believing the developer's mindset outweighs any single technology choice. Outside work he’s a photography hobbyist and lifelong learner, a detail reflected in a career that blends technical depth with curiosity and cross-cultural team experience.
12 years of coding experience
11 years of employment as a software developer
Very Good, Very Good at University of Kalamoon
Arabic, English, French, Danish, German
Stackoverflow
1,816reputation
224kreached
49answers
13questions
phpunit
top-5%
Github Skills (115)
devtools9
phpunit9
docker-container9
eclipse9
tcp9
application-management9
chainlink8
ipc8
solidity8
udp8
theia8
mono8
blockchain8
moralis8
happy8
Programming languages (12)
Github contributions (5)
ashajjar/GithubNotificationApp
Jun 2023 - Sep 2024
Get desktop notifications about PRs for repos you decide to watch
Contributions:24 PRs, 38 pushes, 13 branches in 1 year 3 months
chatgptdesktopdesktop-appgptjava
ashajjar/PlayGround
Oct 2022 - Nov 2022
Contributions:30 commits, 3 PRs, 14 pushes in 14 days
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