Gillis Haasnoot
Software Specialist at Sportalize BV
South Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolGillis Haasnoot is a seasoned software specialist and founder with 14 years of experience building products that span mobile, web, and backend systems, currently working at Newstory.nl while continuing to scale Sportalize. He combines hands-on engineering (iOS, Android, web frontends, PHP/NodeJS backends, MySQL/SQLite, C) with operational expertise running self-managed Linux servers, performance and security tuning, and AI-powered features including locally hosted LLM translation services. As Co‑Founder/CTO of Payaut he turned a prototype into an investor-backed product and built a development team and payments automation for marketplaces. He has led teams and shipped infrastructure-heavy projects like a custom advertising solution at Spil Games and a widely used live football app with millions of users. Comfortable moving between code, devops, and commercial partnerships, he brings entrepreneurial grit and a pragmatic approach to delivering reliable, scalable products from concept to production.
14 years of coding experience
10 years of employment as a software developer
Bachelor, Computer Science, Bachelor, Computer Science at HU University of Applied Sciences Utrecht (Hogeschool Utrecht)2de montessorischool huizen
Russian, English, Dutch
Github Skills (114)
smooth-scrolling10
image-loading10
android-library10
android10
kotlin10
caching10
image10
scrolling10
gif10
smooth10
rc9
disk-cache9
circle9
autopilot8
python8
Programming languages (9)
Github contributions (5)
BananaJs/Banana
Feb 2012 - Dec 2022
Contributions:17 commits, 8 pushes in 11 years
holoduke/ASNE
Aug 2015 - Nov 2016
Contributions:12 pushes in 1 year 4 months
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