Jari Ollonen is a Senior Software Developer at Digia, where responsibilities include developing .NET-based financial systems since August 2008. Prior to this role, Jari gained experience as a Technical Service Advisor at TeliaSonera from 2004 to 2008, including a position at TeliaSonera Finland Oyj. Jari holds a Master's degree in Information Technology from the University of Jyväskylä.
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