Leonid Goltsblat

- More than 30 years backend and low level programming experience including more than 25 years C/C++ experience, 15+ years of C#, 5+ years of Java and PLSQL.
- The most experience in real-time algorithm development and multithreading programming under Windows family OS.
- 30 years of DB programming (MS SQL Server, Oracle). Excellent skill in SQL query optimization and PLSQL programming.
- I have a lot of experience in analyzing, upgrading and refactoring other people's programs.
- I am an Expert in algorithms optimization.
- Full-cycle project development, including staging, algorithmic, coding, and user interface.
- My main quality: the ability to set and solve complex algorithmic problems.

TOOLS AND TECHNOLOGY:
• Microsoft Windows technology stack (frontend and backend):
Visual Studio: C++ (up to C++17), C, C#, SQL, Transact-SQL, dot NET 
o TCP/IP, WINSOCK, SMTP, HTTP, 
o ODBC, OLE DB, ADODB, ADO.NET, 
o ActiveX/COM/DCOM/Registration Free COM/Asynchronous COM Objects, 
o STL, MFC, WIN32, multithreaded and parallel real-time programming, 
o dot NET, NET Core, WinForms, WPF, WCF, OpenXML
• Java technology stack (predominantly backend):
JDeveloper: Java, Oracle DB, PLSQL, Ant, Maven 
o Oracle ADF, WebLogic Server, JDBC, JAX-WS, JAX-RS, Jersey, Swagger, REST, JSON etc.
• Databases:
o MS SQL Server, Oracle (SQL, PLSQL)
• Source Control Software:
o Git, MS Team Foundation Server, Visual Source Safe
• Jira
• Developer skill in circuit switching and packet switching network protocols: 
o E1 (G.703), R1.5, R2, EDSS1, SS7 (MTP-ISUP), VoIP, SIP, H.323. 

PUBLICATIONS
Goltsblat L., Borisov K. “Techniques of effective programming on Clarion.”, Moscow, 1993
 

HOBBIES 
Nordic skiing, cycling, mountaineering 
Participating in the development of PJSIP - a widely known open-source library.

LANGUAGES
Russian: Native, 
English: advanced