Joonas Ryynänen
Development Manager at Mediasignal Group
Joensuu, North Karelia, Finland
Summary
👤
Senior🎓
Top SchoolJoonas Ryynänen is a development manager and full-stack/DevOps specialist based in Joensuu, Finland, with nine years of hands-on experience building scalable web applications and optimized deployment pipelines. Since 2022 he leads Mediasignal Group as Development Manager, shaping software architecture and modern development practices across teams. His background spans DevOps, backend Java, and frontend web tech, with prior roles as software architect, full-stack developer, and server administrator, delivering reliable systems and efficient workflows. He holds an MSc in Technology, Software Product Management and Business from LUT University, and has also served as teaching assistant and research assistant, blending academic rigor with industry delivery. He is passionate about software architecture, modern processes, and technical writing, and enjoys turning complex requirements into practical, auditable solutions. Open to collabs and discussions around cloud-native architectures, DevOps optimization, and scalable web delivery.
9 years of coding experience
5 years of employment as a software developer
Master of Science in Technology, Software Product Management and Business, Master of Science in Technology, Software Product Management and Business at LUT University
Github Skills (22)
php5
javascript4
web-application4
symfony4
reactjs4
react4
information-management3
backbonejs3
product-management3
opensource3
react-js3
full-stack3
nodejs3
nextjs2
solid-js2
Programming languages (4)
Github contributions (5)
JonesTPG/LUT-dataviz-app
May 2020 - Jul 2020
Contributions:3 releases, 6 PRs, 54 pushes in 1 month
JonesTPG/FS-MOOC-2019
Aug 2019 - Jan 2020
Full Stack MOOC 2019.
Contributions:46 pushes, 1 branch in 5 months
reactfull-stackjavascriptexpressnodejs
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