Developed and maintained high-performance messenger system.Programming environment: C++, STL, PostgreSQL, YDB, Googlemock, Googletest, Python

Designed and developed the high-level SDK that includes the APIs to view, edit, search, render and print PDF for Windows/Unix.- Developed and maintained С++ code for the business logic as per the requirements (MS Visual C++, STL)- Ported the SDK to Linux environment (MS Visual C++, GCC, Docker)- Developed a proprietary font recognition algorithm for PDF files (MS Visual C++, STL)Programming environment: MS Visual C++, STL, GCC, Docker

- Developed the new generation of Anti-Malware Engine for Windows/Unix (MS Visual C++, GCC, Googletest).- Developed and implemented secure code practices and secure coding techniques: static code analysis, fuzzing, code coverage analysis (GCC, CppCheck, PVS Studio, BullseyeCoverage)- Crash dump analysis and bugs fixing (MS Visual C++, WinDBG).Programming environment: MS Visual C++, GCC, WinDBG, Googlemock, Googletest, Python

Designed and developed Infotecs TSP/OCSP Server - a solution to support multi-client functionality for accepting and responding Time Stamp Protocol and Online Certificate Status Protocol user requests.- Designed and developed the TSP/OCSP Server (MS Visual C++, STL, Boost, Googlemock, Googletest).- Implemented end-user GUI to configure TSP/OCSP Server (MS Visual C++, STL, MFC)Programming environment: MS Visual C++, MFC, STL, Boost, Googlemock, GoogletestProject 2: Designed and developed ViPNet Technology Software – a solution based on technology designed for deployment of protected Virtual Private Networks.- Use Windows API hooking and Microsoft Detours techniques to add newer and stronger cryptographic algorithms into Windows (MS Visual C++, Microsoft Detours, STL, WinDDK)- Developed different sets of components to implement the business logic as per the requirements (MS Visual C++, STL, MFC, Boost, Googlemock, Googletest, Google Protobuf, WinDDK)- Crash dump analysis and bugs fixing (MS Visual C++, WinDBG) Programming environment: MS Visual C++, MFC, SDK, STL, Boost, WinDBG, Googlemock, Googletest, Google Protobuf, Microsoft Detours, WinDDK

Project 1: Designed and developed LOGON Software - a solution devoted to providing a simple and user-friendly means of solving password management issues whether on a standalone computer, or within a complex network.- Developed the Credential Provider to secure Windows Vista/2008/Win7 logon procedure with the application of Smart Cards, eToken or iButton. (MS Visual C++, SDK, DDK,SmartCard API, iButton-TMEX SDK).- Designed and developed end-user GUI to manage local users list and authentification devices. (MS Visual C++, MFC, BCGControlBar Library Professional, SmartCard API).- Designed and developed Remote Administration utility to manage local users list, authentification devices and user's fingerprints on a remote computer. (MS Visual C++,MFC, SmartCard API).- Developed GINA.dll for Windows 2000/XP/2003 that replaces Microsoft Graphical Identification and Authentication DLL to allow using authentification devices and user'sfingerprints instead of the usual logon procedure with multi-language support, unicode support and remote access. (MS Visual C++, SDK)Programming environment: MS Visual C++, MFC, BCGControlBar Library Professional,SDK, DDK, SmartCard API, iButton-TMEX SDKProject 2: Designed and developed a set of components designed to provide developers with the technology for securing Web servers by using fingerprints.Programming environment: MS Visual C++, BioAPI 1.1, ATL, COM+, ActiveX, XMLProject 3: Development of a device driver for an optical fingerprint scanner- Developed device drivers for the fingerprint scanner for the entire Windows family of operating systems (9x/ME/NT/2000/XP). Developed deployment procedure and installation application. (Visual C++, Macro Assembler, SDK, DDK, WinDK - DDK Development Library)Programming environment: MS Visual C++, Macro Assembler, MFC, SDK, WDM, DDK, COM, WinDK

Designed and developed iVisit - the solution for multi-party video, voice and text chat overintranets and the Internet.- Implemented new GUI/MFC interface (MS Visual C++, SDK)- Designed and implemented MFC-based classes that replace Stingray Object Toolkitclasses increasing productivity and reducing a size of the product (MS Visual C++, SDK,Stingray Object Toolkit)- Developed both low-level and high-level interfaces for TCP/IP and UDP protocols (MS Visual C++, SDK)- Full life cycle: concept design, class design, code writing, testing, bug fixing,maintenance and improvement (MS Visual C++, SDK, BoundsChecker)Programming environment: MS Visual C++, MFC, SDK, Stingray Object Toolkit, TCP/IP,UDP, BoundsChecker

- Developed a component for fast search records by key in the internal database. Thiscomponent is used for remote client access to the server application (MS Visual C++,ATL, COM, HTML)- Designed and developed cryptographic applications for secured data exchange throughstandard TELEX data transmission (including key generation and distribution programs)used in several banks. (MS Visual C++, MFC)- Developed of a device driver for HP printers designed to support Russian fonts (Visual C++, SDK, DDK)- Developed a set of APIs for client-server data exchange via TCP/IP (Dial-Up and FTP) aspart of the Client-Bank systems. (MS Visual C++)- Developed administrative applications for Windows NT that automated the followingmanual jobs: user account creation; setting permissions to the user account for Internetaccess; creation of user directories with required restrictions, etc. (MS Visual C++, SDK,IIS)- Developed various compound database queries (transactions) that encompassedgroups of elementary database operations. This helped users carry out day-to-day bankoperations more quickly and safely. (SQL, Progress 4GL)Programming environment: MS Visual C++, SDK, DDK, ATL, MFC, FTP, TCP/IP, COM, IIS,HTML, SQL, Progress 4GL

- Developed a professional cryptographic toolkit, including digital signature functions(DSA, GOST RF 34.10 algorithms), symmetric encryption/decryption functions (DES,Triple DES, GOST RF 28147, FEAL-12, SAFER-64 etc.) and private/public key generationand exchange functions (based on the Diffie-Hellman algorithm). This toolkit was implemented for different platforms, such as DOS, Windows 3.1, Windows 95/NT, UNIX (HP UX, SCO, LINUX, Tandem, BSD, Solaris), VAX VMS. (C/C++ for different platforms)- Developed console applications, which realized digital signature and encryption algorithms for DOS, UNIX and VAX VMS operating systems using professional cryptographic toolkit. (C/C++, MS Visual C++)- Developed a shell program implemented digital signature and encryption engine under Windows 9x/NT.(MS Visual C++, MFC)Programming environment: C++ (for different platforms), MS Visual C++, MFC