Ciarán Haoláin
Software Engineer at Susquehanna International Group, LLP (SIG)
Dublin, Ireland
Summary
👤
Senior🎓
Top SchoolCiarán Haoláin is a Software Engineer with nine years of experience, currently building trading and tech systems at Susquehanna International Group in Dublin. He holds a First Class BSc in Computational Thinking (Computer Science, Pure Mathematics and Philosophy) from Maynooth University and has a background that blends academic research in decentralized smart contracts with practical production work in Python and C#. A former president of his university's Computer Science Society and lab demonstrator, he excels at communicating complex technical ideas and mentoring peers. His early freelance and research projects—ranging from provably fair Solidity dApps to automated crypto trading integrations—illustrate a penchant for building auditable, impact-driven systems. Colleagues describe him as an occupational geek who enjoys learning new languages and applying rigorous mathematical thinking to real-world engineering problems.
9 years of coding experience
1 year of employment as a software developer
Coláiste Choilm TullamoreBachelor of Science - BS, Computational Thinking (Computer Science & Pure Mathematics), First Class Honours, Bachelor of Science - BS, Computational Thinking (Computer Science & Pure Mathematics), First Class Honours at Maynooth University
English, Irish, German
Github Skills (84)
firmware10
alternate10
esp3210
temperature10
hex10
gcode10
flash10
iron10
3d-printing10
arduino10
apache-cordova9
qml9
python9
cnc9
workbench9
Programming languages (9)
Github contributions (5)
cohaolain/My-Portfolio-Website
Jan 2020 - Mar 2023
This is the source code of my personal portfolio website, which is written in ReactJS.
Contributions:1 release, 23 PRs, 34 pushes in 3 years 2 months
reactjavascriptreactjspersonal-portfolio-website
cohaolain/cohaolain
Jul 2018 - Mar 2023
Contributions:32 pushes, 3 branches in 4 years 9 months
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