SERGEY TOLKACHEV

7216 Woodstock Dr., Bloomington, MN 55438
612-670-0585
http://nnod.com
stolkachev@comcast.net

Professional Summary

Software Development Professional with more than 25 years of experience in systems and applications, bringing products from concept to release in a variety of environments and companies. Development experience in the fields of health care, e-Commerce, manufacturing, CAD/CAM, decision support and software engineering. Extensive background in Web-based systems, client/server, object-oriented systems development, involving all phases of software product development. Expert in Interactive, Web-based systems, deep R&D and scientific background, including artificial intelligence and neural networks. Web 2.0 experience includes social networking, Web integration and API’s to public sites, ontological interfaces, and inference engines that assist users in complex, iterative decision making. Capable team leader or member, publisher and mentor who works well with people at all levels. Outstanding references and project portfolio are available upon request. Projects: http://nnod.com/projects.htm


Technology Experience

Operating Systems Window 2000/2003/2008/XP/Vista, Mac OS/7/9/10, Unix
Databases SQL Server 2000/2005/2008, Berkley DB, Oracle, Codasyl DBMS, DB2, JDBC, ODBC, MS Access, FoxPro
Programming Languages C#, Java, VB, XML/HTML, XAML, JSP/ASP, SQL, Perl, COBOL, shell programming, JavaScript, HyperTalk, C++, C, Assemblers
Communications SOAP, TCP/IP and Socket programming
Applications QuickBooks, MS PowerPoint, Project, Visio, Adobe Photoshop
Platforms .NET, Silverlight, J2EE, ASP/JSP, SharePoint, IIS, Apache/Tomcat, Exchange, FaceBook, WordNet
IDEs Eclipse, Microsoft Visual Studio, Expression, xCode

Work Experience

Owner, Consultant/Architect/Developer                                                                      Jan 2006 - Present
Custom IT Consulting, Bloomington, MN

Design and development of advanced interactive web-based applications, utilizing Silverlight, Neural Networks, .NET, XML, and DOM. Recent projects:


Senior Developer/Project Leader                                                                              Sep 2005 - Jan 2006
Nemo LLC, St. Petersburg, Russia


For the leading producer and supplier of electricity and heat power in Russia, designed and developed decision support analytical module, which extracts and consolidates data from the corporate accounting system and presents it in Excel form to executives http://nnod.com/7.html

Environment: Visual Basic, Tomcat, Java, JSP, MS SQL, Oracle, Hibernate, FoxPro, XML, CSS, JavaScript. Excel Data Mining, J2EE Design Patterns


Senior Developer/Project Leader                                                                              Aug 2003 - Jun 2005
Princess Marble Company, Burnsville, MN


For the custom manufacturer of cultured marble and granite products, managed the development of Manufacturing Information System from concept to release. Designed and developed CAD/CAM system to handle full circle of production process, including CRM, Order Processing and Invoicing. More than 500 reports and forms are generated. Responsible for creating design using XML, Session Protocols, UML/IDEF. Involved in the complete life cycle of development from requirement gathering, created design document and creating unit tests. Designed open interfaces and integrated the system with Intuit QuickBooks http://nnod.com/1.html

Environment: Eclipse IDE, Tomcat 5.5/6.0, MS SQL Server, XML, CSS, JSP, Servlet, JavaScript, AJAX, CVS, Ant, QuickBooks


Chief Technology Officer                                                                                          Sep 1999 - Apr 2003
Outsell LLC, Minneapolis, MN


For an e-Commerce service provider, designed and developed Interactive Web Service using 3-tier technology, Neural Networks Engine as middleware, and MS SQL as the database. From conception to release, led development of Outsell’s software solution – Web Interactive Virtual Representative. Coordinated and managed all aspects of international outsourcing development, led development teams in designing complex web-based systems, including XML interfaces to external CRM data bases. Prepared technical documentation, formulated ideas for patent application, and participated in presentations for seed investments.

Environment: Java, Tomcat, MS SQL Server, XML, CSS, JSP, Servlet, JavaScript. AJAX, CVS, C/C++, HyperTalk


Senior IT Architect                                                                                                  Mar 1997 - May 1999
Baltiysky Zavod, St. Petersburg, Russia


As a member of an expert team, re-engineered and developed the Corporate Information Technology Strategic Plan for the major Russian shipyard with more than 10,000 employees. Used statistical and neural network tools to analyze market performance. Coordinated RFP for computer hardware, software and integrated IT solutions with a proposal budget of $3.0 million.


Senior IT Architect                                                                                                    Sep 1996 - Mar 1997
Tinkoff Group, St. Petersburg, Russia


Responsibilities included: marketing forecasts, competitive analysis, retail sales analysis, consulting for executive management on IT strategy, business processing, decision making, etc. Coordinated company's Information Technology development including real time inventory management, web based orders, point-of sales, etc. Re-engineered corporate business processes to increase revenue from $5.0 million to $12.0 million.


Senior Developer/Team Leader                                                                               Aug 1994 - Sep 1996
Apreal Inc., Boston, MA


Developed Neural Network Environment (NNE), the software tools to build and maintain Virtual Agents. NNE - the API for developers of neural network based interactive applications. Programmed core modules using C, C++, and Perl. Conducted research in neural networks, linguistics.


Associate Professor, Computer Science                                                                   Jun 1987 - Aug 1994
Simferopol State University, Crimea, USSR


Lectures: Introduction into Programming; Data Base Design and Management; System Programming; Parallel Processing; Operation System Design; Operation System Programming; Programming Languages - Theoretical aspects; Programming Languages Comparison; Object Oriented Programming.


Programmer/Team Leader/Head of Academic Computing                                      Jun 1974 - Aug 1987
Simferopol State University, Crimea, USSR


Led the number of development projects under academic and industrial grants with total budget up to $3.0 million per year for aviation and ship manufacturing; supported University Network and Academic Research Computing.


Education

Postdoctoral Study
Boston University, Boston, MA USA, 1988-1989

Ph.D. in Computer Science
Institute of Cybernetics of Academy of Science of Ukraine, Kiev, USSR, 1984

Doctoral Study in Applied Mathematics
Simferopol State University, Simferopol, USSR, 1978-1981

Master's Degree Electrical Engineering
Sebastopol National Technical University, Sebastopol, USSR, 1968-1974

Professional Memberships and Certifications
Association for Computing Machinery (ACM)
Think.org