Teemu Tossavainen
Staff Site Reliability Engineer at Treasure Data
Chiyoda, Japan
Summary
👤
Senior🎓
Top SchoolTeemu Tossavainen is a Staff Site Reliability Engineer with 14 years of software experience, blending deep SRE practice at Treasure Data with a strong background in software development, BI and data integration. He holds advanced degrees from Aalto University and Nagoya Institute of Technology and has built multi-source data pipelines, analytics and visualization solutions that turned complex datasets into actionable business insights. Comfortable in both startup and enterprise environments, he brings hands-on expertise across languages (C#, Java, C/C++, Python, PHP) and platforms (MS SQL/SSAS/SSIS/SSRS, SPARQL, REST, ASP.NET) to reliably deploy and operate production systems. Known for a solution-oriented mindset and international collaboration skills, he pairs system-level knowledge (compilers, OS, semantic web) with practical experience in integrating diverse enterprise systems. An ongoing researcher in sound analysis, he uniquely combines academic curiosity with production-focused reliability engineering.
14 years of coding experience
Master’s Degree, Computer Science, Master’s Degree, Computer Science at Aalto UniversityBachelor of Engineering, Information Technology, Bachelor of Engineering, Information Technology at Savonia University of Applied SciencesMaster's degree, Computer Software Engineering, Master's degree, Computer Software Engineering at Nagoya Institute of Technology
English, Finnish, German, Japanese, Swedish
Github Skills (9)
elasticsearch-plugin5
java4
security3
netty3
encryption2
authorization2
authentication2
kibana2
elasticsearch2
Programming languages (1)
Github contributions (3)
tozuan/WalkSafely
Jun 2016 - Dec 2018
Contributions:1 push, 1 branch in 2 years 6 months
ferrix/TrAIns
Mar 2012 - May 2012
Contributions:15 commits in 1 month
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