Simon Hajjar
Open Source Developer at Self-employed
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolSimon Hajjar is an open source developer and software engineer based in San Francisco with 11 years of experience focused on cryptography and cryptocurrency systems. Formerly on Coinbase’s Payments team, he now dedicates his time to contributing to crypto open source projects he believes in while running his personal site cisplatin.xyz. His background spans security-focused roles and algorithmic bioinformatics work, reflecting strong instincts for both systems hardening and computational problem solving. Colleagues describe him as quietly prolific and purpose-driven—he channels deep technical skills into projects that align with his values during a personally meaningful period of life.
11 years of coding experience
2 years of employment as a software developer
Candidate for Bachelor of Computer Science (BCS), Computer Science, Candidate for Bachelor of Computer Science (BCS), Computer Science at University of Waterloo
Github Skills (49)
chess10
scala9
typescript9
nodejs9
functional-programming9
cli9
lichess9
mongodb9
shell9
zsh8
php8
solidity8
security7
rails7
bash7
Programming languages (6)
Github contributions (5)
Cisplatin/Elope
Jul 2015 - May 2016
Contributions:37 commits, 28 pushes, 1 branch in 10 months
Xenonstory/Grandmaster
Dec 2015 - Mar 2016
Contributions:116 pushes, 1 branch in 3 months
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