Ari Siitonen
Lead Architect at GE Healthcare
Järvenpää, Finland
Summary
👤
Senior🎓
Top SchoolAri Siitonen is a seasoned software architect and entrepreneur with 11+ years of experience building embedded, IoT, and medical device software, currently leading architecture at Loractive Oy while also serving as Senior Software Engineer at GE Healthcare. He combines deep protocol and firmware expertise—MQTT, CAN, Yocto, C—and front-end skills in JS/CSS/HTML to deliver secure, scalable networking and device solutions. A serial founder and CEO (rt0s Global, myGeiger, Älykone), he repeatedly turns hardware-focused R&D into production-ready systems that improve operational efficiency and clinical outcomes. Based in Järvenpää, Finland, Ari pairs hands-on development with product-minded leadership, and is notable for bridging low-level embedded constraints with high-level service design in regulated domains.
11 years of coding experience
8 years of employment as a software developer
Bachelor’s Degree Computer Science, Bachelor’s Degree Computer Science at Aalto University
Stackoverflow
13reputation
1kreached
1answer
1question
Github Skills (25)
stream10
aedes10
jquery-plugin9
mosquitto9
nodejs9
json-rpc8
run-script7
tui7
interpreter7
mqtt7
jquery-terminal7
iot7
shell6
command-line6
python6
Programming languages (2)
Github contributions (5)
arisi/mqtt-sn-ruby
Nov 2014 - Dec 2014
Contributions:64 commits in 16 days
arisi/node-srec
Jan 2015 - May 2023
Motorola SREC library for nodejs
Contributions:1 PR, 15 pushes in 8 years 4 months
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