Jonathan Mertanen
Full-stack Developer at Matrix42
Kuopio, Mainland Finland
Summary
👤
Senior🎓
Top SchoolJonathan Mertanen is a full-stack developer with eight years of experience, currently focused on front-end and web development while shaping UI strategy and DevOps practices. Based in Kuopio, Finland, he has led UI teams and CI/CD initiatives, building high-performance React/Next.js frontends and reliable cloud infrastructures that streamline deployments. He has delivered product-facing features for ITSM clients at Matrix42 and Efecte, and as Head of DevOps at Valannia he bridged development and operations to ensure scalable, consistent interfaces across multiple applications. A lifelong computer enthusiast, Jonathan pairs hands-on coding with infrastructure design—an uncommon mix that helps him move quickly from prototype to production.
8 years of coding experience
5 years of employment as a software developer
Sistemas de informacion, Computer Science, Sistemas de informacion, Computer Science at Universidad de Granada
Github Skills (11)
component-library7
react6
rest5
microsoft-graph5
api5
typescript5
rest-api5
react-components4
graph4
ui-components4
microsoft3
Programming languages (4)
Github contributions (5)
jonathanfernandezfm/portfolio
Sep 2020 - Aug 2021
Contributions:21 commits, 7 pushes in 10 months
jonathanfernandezfm/formula1-today
Sep 2020 - Oct 2023
Contributions:8 pushes, 1 branch in 3 years 1 month
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