Tuukka Hyvärinen
Software Engineer at Cinia
Helsinki, Mainland Finland
Summary
👤
Senior🎓
Top SchoolTuukka Hyvärinen is a seasoned software engineer with 18 years of hands-on experience building service prototypes, open APIs and cloud solutions—primarily on Azure—from Helsinki. With a master's degree in mathematics, he brings strong analytical rigor to design and problem solving, often favoring collaborative, coffee-fueled debugging sessions but fully capable of solo delivery. His freelance work and open-source focus reflect a bias toward pragmatic, reusable tooling and open data initiatives, and he has played engineering roles at Avanio and now Cinia. Comfortable across a wide variety of languages, tools and frameworks, he blends research-minded precision with product-oriented execution to turn complex requirements into working prototypes and production services.
18 years of coding experience
5 years of employment as a software developer
Computer Software Engineering, Computer Software Engineering at Ideal LearningMaster's degree Mathematics, Master's degree Mathematics at University of Tampere
Github Skills (200)
tiles10
hsl10
modular10
open-government10
gwt10
open-data10
child-process10
nodejs10
package-manager10
twitter-client10
css10
daemon10
graphql-java10
origami10
computational-geometry10
Programming languages (24)
Github contributions (5)
HSLdevcom/hsl-card-java
Oct 2014 - Nov 2018
HSL travel card Java library SDK
Contributions:3 commits, 2 PRs, 2 pushes in 4 years 1 month
hsljava-librarytravelsdkjava
HSLdevcom/navigator-server
Mar 2013 - Jul 2017
Realtime APIs for public transport
Contributions:36 commits, 3 PRs, 15 pushes in 4 years 4 months
apirealtimepublic-transportnodejstransport
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