Jari Lahdenperä
Lead Data Architect At Tietoevry Care
Finland
Summary
🤩
Rockstar🎓
Top SchoolJari Lahdenperä is a hands-on lead data architect with over a decade of experience designing lakehouse and cloud-native data platforms, currently leading Lakehouse analytics at Tietoevry Care. He combines deep technical expertise—Databricks Solution Architect Champion, Microsoft Fabric, Delta Lake, Snowflake, Scala/Python/SQL and serverless IoT architectures—with business-facing skills in pre-sales, productization and customer collaboration. His background spans Azure, AWS and Snowflake certified implementations and DataOps practices, enabling rapid, production-grade data delivery across multinational teams. Previously he built IoT and serverless solutions as a consultant and contributed full-stack improvements to the well-known Decidim participatory democracy open-source project, showing both enterprise and community-minded engineering. Known for translating complex architectures into actionable engineering tasks, he excels at bridging strategy, hands-on implementation and customer outcomes.
9 years of coding experience
26 years of employment as a software developer
Marketing studies, Marketing studies at University of OuluBSc Computer Science, BSc Computer Science at Savonia University of Applied Science, Kuopio
English, Finnish, Swedish
Github Skills (12)
rails10
ruby-on-rails10
front-end-development9
javascript9
html8
back-end-development8
backend8
css7
ui-design6
par5
g4
e-government4
Programming languages (5)
Github contributions (5)
decidim/decidim
Dec 2020 - Jun 2022
The participatory democracy framework. A generator and multiple gems made with Ruby on Rails
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:54 reviews, 65 commits, 92 PRs in 1 year 6 months
Contributions summary:Jari primarily focused on improving the user interface and functionality of the Decidim platform, particularly within the admin interface and the rich text editor. They fixed image alt tag and linebreak issues within the editor, addressing formatting problems. The user also worked on budget projects, addressing aspects like the display of finished and pending votes and user counts in the admin panel.
participatory-democracycivic-techgovernmentdemocracyparticipation
lahdeero/lahdeero.github.io
Jan 2020 - Nov 2024
Hacker-Blog is a minimalistic, responsive jekyll theme built for hackers. https://ashishchaudhary.in/hacker-blog
Contributions:11 pushes, 1 branch in 4 years 10 months
responsive-jekyll-themehackersminimalisticjekylljekyll-theme
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