Shawn O'neill
Co-Owner at YellowCAKE MEDIA
Canberra, Australia
Summary
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RockstarShawn O'neill is a seasoned technology entrepreneur and hands-on CTO with nearly 25 years of software development and server operations experience, currently co-owning ItAllCounts.org and leading engineering at YellowCAKE MEDIA. He has deep expertise in adtech—affiliate, search, and lead generation—having architected systems that handled hundreds of millions of requests per day on minimal hardware. As a founder of Sanswork and former CTO at multiple startups, he blends strategic technical leadership with active coding and ops responsibilities. Shawn also enjoys the business side of startups and continuously broadens his skills in management, finance, HR, and marketing to better align technology with commercial goals. Based in Canberra, he’s recently been applying his scalable-systems know-how to help charities squeeze more value from online advertising, showing a move from pure adtech into mission-driven products.
11 years of coding experience
9 years of employment as a software developer
Stackoverflow
46reputation
1kreached
1answer
0questions
Github Skills (29)
translation9
hex9
stripe9
elixir9
stripe-api9
hex-package8
plugin8
wait8
elixir-programming-language7
period6
macos-big-sur6
iphone6
mocking6
authorization6
devise6
Programming languages (8)
Github contributions (5)
shawnonthenet/nvim-config
Oct 2023 - Sep 2024
Contributions:3 pushes, 1 branch in 11 months
shawnonthenet/avoidit
Mar 2025 - Apr 2025
Contributions:29 pushes, 1 branch, 2 issues in 15 days
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