Experience

Kaltio Technologies Oy

• Co-Founder, CTO

  • Dec 2014 - Present

  Finland Building new IoT solution which is made to be secure by design and scale to hundreds millions of devices



Microsoft

• United States
• Software Development
• 200 - 300 Employee

• Senior Sw Specialist

  • Apr 2012 - Dec 2014

  Finland Java lead developer for a team building Nokia notification system, which is used in all the biggest social media and instant messaging companies. System has to handle tens of millions concurrent connections and tens of thousands messages per second. Deep technical understading of different kind of distributed databases and distributed web architectures. As the lead developer, my responsibilities includes providing user stories with sufficient technical details for implementation, act as… Show more Java lead developer for a team building Nokia notification system, which is used in all the biggest social media and instant messaging companies. System has to handle tens of millions concurrent connections and tens of thousands messages per second. Deep technical understading of different kind of distributed databases and distributed web architectures. As the lead developer, my responsibilities includes providing user stories with sufficient technical details for implementation, act as link between our development team and our business people, providing my system knowledge in troubleshooting situations, giving implementation details in architectural meetings, carrying out technology evaluation in case of a new framework/technological solution and carrying out standard implementation activities. Show less



Nokia

• Finland
• Telecommunications
• 700 & Above Employee

• Senior Sw Engineer / Sw Specialist

  • Apr 2008 - May 2012

  Finland Designing and implementing Nokia's payment integration platform with JavaEE. It combined over 100 mobile operator’s sms billing payment methods, all the biggest credit card companies, product catalogs, accounting, tax-engines and drm.



Paf - Play among friends

• Core Developer

  • Jan 2008 - Mar 2008

  Finland Part of the scrum team which implemented new feature for online gaming company. We had basic 3-tier architecture where JSF acted as presentation layer, EJBs as logic layer and Oracle as data layer. They were running WebSphere AS. My responsibility was to implement features on every step in 3-tier architecture.



SmartTrust

• Telecommunications
• 1 - 100 Employee

• Custom Developer

  • Jun 2006 - Jan 2008

  Finland Both pre-sales and post-sales engineering. Answering RFI’s and doing integration projects where SmartTrust’s products where integrated to mobile network operators own systems'.



Eneris Solutions

• Finland
• Software Development

• Software Engineer

  • May 2005 - Jun 2006

  Finland Java EE consulting work for big publisher in Finland. Helped customer in requirements gathering, designing and implementing of their ERP system.



Onesys medical

• Finland
• Medical Device

• Sw Engineer

  • Oct 2003 - May 2005

  Created 3D viewer for MRI/CT -images with J2SE. Application was for neurosurgeons, which would help them to analyze MRI-images