Lari Haataja
Helsinki, Mainland Finland
Summary
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SeniorLari Haataja is a senior analytics engineer based in Helsinki with 12 years of experience blending software engineering, web analytics, and product-focused data work across media and fintech. Currently driving analytics at Sanoma Media Finland, he has progressed from hands-on web analytics for Helsingin Sanomat to shaping data platforms and measurement at scale. His background spans full-stack development, mobile apps (four App Store releases), and building resilient event and ticketing systems for high-traffic events like Slush. Comfortable translating business questions into automated data solutions, he pairs technical depth with a strong orientation toward actionable insights and growth. Colleagues would note his knack for solving unstable-network sync problems and turning analytics into operational automation.
13 years of coding experience
Stackoverflow
752reputation
42kreached
16answers
0questions
Github Skills (54)
firebase-analytics9
dbt9
agentic7
data-analytics7
ios-widget7
data-visualization7
protobuf6
flask6
facebook-pixel6
uiimagepickercontroller6
flask-security6
iphone6
referrer6
homekit6
flask-sqlalchemy6
Programming languages (5)
Github contributions (5)
lari/firebase-ga4-app-measurement-protobuf
Apr 2023 - Sep 2025
Protocol buffers definition that can be used to decode app-measurement.com/a calls made by Firebase Analytics SDK on iOS / Android
Contributions:1 PR, 3 pushes, 2 branches in 2 years 5 months
firebase-analyticsga4protobufprotocol-buffers
lari/server-side-gtm-on-aws-ecs-fargate
Jan 2023 - Feb 2023
Contributions:17 commits, 7 pushes, 1 branch in 17 days
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