- Principal Software Engineer / Senior Principal Software Engineer
- Architecture leader for Workday Analytics EMEA
- Author and maintainer of Integration/Orchestration Platform
- Technical architect of Analytic Applications Platform
- Technical architect of People Analytics product
- Technical mentor for 3 scrum teams
2009-2019 Qore Technologies s.r.o
- Senior Software Architect / Senior Solution Architect
- Development and analysis of Qorus, the integration platform
- development of Qore Programming Language and its modules
- Integration projects implementation (Hutchinson 3G Austria, UK, Ireland, Italy; Erste Bank Ukraine)
2009-2009 Cygni Software
- IS for electricity-trade markets
2007-2009 Cleverlance a.s.
- Software Architect
- Analysis and implementation of custom information systems (TIBCO, Java, Oracle)
- Team leader (developers and testers)
- Oracle/Postgresql DBA support
- Performance studies for various database platforms (Oracle, EnterpriseDB/Postgresql)
2005-2007 Cleverlance a.s.
- Senior Database Developer/Analyst
- Analýza a implementace IS u zákazníků (TIBCO, Java, Oracle)
2003-2005 SporDat, spol. s r.o. – (SporDat.sk, ERSTE Bank group)
- Analysis, optimizations, and development of banking information system (selected modules) - archiving, DWH exports.
- Project Centralization of StarBANK Ceská Sporitelna. Migration of 79 Oracle8 databases into one large distributed instance of Oracle9.
- Optimization of SQL queries and PL/SQL procedures in 8TB database.
- Maintenance of data model (Oracle Designer).
1999-2002 IKA Data s.r.o.
- Analyst/programmer, HW engineer
- Web based information systems
- Enhancement to the company know-how with GNU/OpenSource solutions
- End customers network support
1996-1998 Regex s.r.o.
- Programmer of specialized devices Modicon (ladder logic).
- Technology systems for Fosfa Postorna, Pražská Teplarenská etc.