Hannu Rytkönen
Lead Software Developer at Signant Health
Helsinki, Finland
Summary
👤
Senior🎓
Top SchoolHannu Rytkönen is a Lead Software Developer based in Helsinki with over two decades of professional experience and 11 years in focused roles delivering mobile and full-stack solutions. He currently leads development at Signant Health, specializing in Flutter/Dart mobile and web apps for eCOA, and has a strong background in native Android, Kotlin/Java, and TypeScript/Node.js. Previously he shaped wearable and web ecosystems at Suunto, combining Android engineering with frontend work using React and data visualization libraries. His career also spans enterprise .NET and Java EE projects in finance and asset management, giving him a pragmatic appreciation for scalable, testable systems across platforms. Known for bridging hands-on engineering and team leadership, he brings depth in mobile performance and integration with cloud services (Azure/AWS) that helps move devices and clinical software from prototype to production.
11 years of coding experience
17 years of employment as a software developer
Computer Mechanic, Computer Mechanic at Ylä-Savo Vocational CollegeB.Sc., Software Engineering, B.Sc., Software Engineering at Helsinki Polytechnic Stadia
Finnish, English, Swedish
Github Skills (28)
front-end-development9
css8
javascript7
web-development-tools7
java7
graph7
android7
kotlin6
bubble5
scaling4
charts4
mpandroidchart4
panning3
speed-dial2
floating2
Programming languages (4)
Github contributions (5)
harytkon/d3-es6-webpack-boilerplate
Jan 2016 - May 2016
Contributions:10 commits, 8 pushes, 1 branch in 5 months
harytkon/synaptic-examples
May 2016 - Jun 2016
Contributions:17 commits, 9 pushes, 1 branch in 28 days
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