Working as a software engineer for Tbricks - Sweden company specializes in trading software development for equity markets.Implemented position keeping and PnL computation service with abilities of runtime update of any outgoing calculated data with minimal possible latency. Worked under wide set of functionality for PnL computation after derivative instruments expiration.All this functionality allowed Tbricks act as standalone Risk Management system and brought several new customers.Implemented FIX protocol encode/decode library as replacement of QuickFIX - open library but insufficient solution for high frequency trading system. Our library showed higher performance then any available commercial or open FIX protocol solutions.Added integration components to join trading data from other trading systems - Orc, Ullink, other FIX based backoffice systems.Implemented trading data storage using ultra low latency embedded databases BerkeleyDB (then WiredTiger for storing trading data)Implemented in-memory tables with tight and indexed data structures for lightweight interaction between multiple services.Designed and partially implemented framework for market making trading strategies development. Further, this framework has continued to develop and became part of Tbricks market making solutions.During work in this company i am participated in development almost all components of Tbricks system.

Working as a software engineer then architect for US company 'QD Technology'. This company developed fully SQL-92 compliant database management system solution for analytics and cases with mostly-read data access.I am designed and developed with my colleagues SQL optimizer modules based on dynamic programming approach 'Volcano Optimizer Generator' (described in http://www.seas.upenn.edu/~zives/03s/cis650/P209.PDF)This optimizer became company to win TPCH performance test with MS SQL Server and Oracle 10g.Also participated in development of database storage backed and network connectivity parts.

Development of server management software. Was mostly involved in project used for automatic configuration of Windows Server environment. This project has received a number of awards.

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