Software engineer / Senior software engineer

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По договорённости

58 лет (родился 21 июля 1967)

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Опыт работы 11 лет и 9 месяцев

- Март 2014 – работает сейчас
- 11 лет и 9 месяцев
Senior Software Engineer / C++, Linux
Luxoft, Москва
Обязанности и достижения:
Luxoft, Moscow, Russia 2014- up to date Senior Software Engineer (C++, Linux) • Developed low-latency server-side software providing market data for real-time trading (C++) • Used OOP to provide bug-free quality and high maintainability to multithreaded cross-platform library (Linux, Windows) • Used enhanced algorithms to ensure low-latency processing Yandex, Moscow, Russia 2012 - 2014 Software Engineer (C++, Linux) • Developed my own and used existing algorithms and data structures for a system providing suggestions for Internet search engine queries (trie, Huffman coding, Levenshtein distance, STL, C++) • Developed module for building an inverted index and for searching in it. Managed to radically enhance its search performance • Developed a misspells correction module which brought Yandex closer to its competitors compared by quality of suggestions • Developed distributed system for collecting statistics data from a cluster of servers and its displaying (trees, С++, Python, client-server architecture using HTTP, CGI-Website) • Used lock-free multi-threaded synchronization • Improved performance and memory consumption of the existing source code (using algorithms, data structures, features of C++) Mail.ru, Moscow, Russia 2012 - 2012 Software Engineer (C++, Linux) • Added new functionality to an HTML parser and an indexer of web pages and XML data • Added using lock-free multi-threaded synchronization • Made a proposal to improve the data structure of an inverted index • Refactored existing code to use UTF-8 encoding across several major modules of the Web search engine AdFox, Moscow, Russia 2011 - 2012 Software Engineer (C++, Linux) • Improved performance of distributed scalable multithreaded Internet-targeting advertising system • Implemented a graceful shutdown of multithreaded networking engine with flushing all the data consistent. • Made a high performance implementation of some of well-known algorithms (search of a substring in a string, topological sort) • Improved performance of modules related to hard drive, multithreading and network Heliosoft, Moscow, Russia 2010 - 2011 Senior Software Engineer (C++, Linux) • Worked to develop, implement and optimize high performance distributed scalable Unix-based computer system for storing and processing human resources information • Used cross-platform programming techniques for Linux, Solaris, Windows • Implemented some of the classic algorithms and data structures (memory pools, hash-tables, lock-free synchronization and so on) • Developed an ad hoc high-performance XML parser used for message-based communication with a front-end web services • Developed a networking cross-platform multithreaded application for load testing the system for a custom legislation database LexPro-Soft, Moscow, Russia 2008 - 2010 Software Engineer (C++, Windows) • Worked independently to develop, implement and optimize a high-performance data retrieval engine • Leveraged OpenMP to improve performance, optimize high-load processing for multicore processors (multithreading, multithreaded debugging, algorithms, data structures) • Developed parallel implementation of ZLib library (a globally recognized compression software) • Improved server side TCP/IP-based networking subsystem to be multithreaded, high-performance and highly scalable • Accomplished unit testing (.NET, C#) Allied Testing, Moscow, Russia 2006 - 2007 Software Engineer (C++, Windows) • Guided a 1-year outsourcing project for Reuters France, design patterns, generic programming, software design (UML diagrams), and prototyping; selected to lead design of architecture for new modules (C++, ATL) • Managed the client’s requirements and specifications, acted as point person for negotiation and solutions between the client and third-party developers Akmosoft, Moscow, Russia 2005 - 2006 Software Engineer (C++, Windows) • Worked on an outsourcing project for Browster (USA) to develop a plugin for Firefox Web browser (C++, JavaScript, XPCOM) and created alternative architectural solutions • Investigated Firefox dealing with C++ plugins in multithreaded environment to get the code to work smoothly • Developed a library of common reusable code for our team (C++, WinAPI, WTL, generic programming) Systema, Moscow, Russia 2004 - 2005 Software Engineer (C++, Windows) • Developed software for cash deposit devices in banking ATM machines at level of WOSA and ProTopas, as well as an architecture for a state table editor • Developed original mechanism of passing parameters into state table-based scripts, supported by ProTopas frameworks of Wincor company InAs Inc. Ltd., Moscow, Russia 2003 - 2004 Programmer (C++, Windows) • Automated populating databases with data from files of various formats; worked with utilities for database creation and editing (C++Builder 6.0 BDE) • Developed a suggestion for another smart pointer to Boost library Freelance Software Engineer (C++, Windows) 1998-2003 • Developed Internet search system (C++), XML-based message board and Internet bookshop to expand Odintsovo, Russia e-commerce • Created commercial freeware multimedia program “MusicColor” that allows users to employ high-performance real-time image processing to create and play entertainment music visualizations on the screen of a home computer; promoted template-based (Perl, CGI) website at http://www.mpshow.com to distribute this program as a freeware • Designed and developed a light-music system (C++Builder 1.0), consisting of a light fixture, control program and a render program • Developed C++ DLL for creating Excel files screenshots as a core module of a C# plugin for FileMind software EDUCATION BS in Engineering, cum laude, High Engineering School (Perm, Russia) 1989 • 5-year program, equivalent to a master’s degree curriculum in the U.S. • Winner of Physics Olympiad • Project work in "Flying Vehicles Control Systems" • Developed a simple CAD system to generate electric circuit (of transistors, diodes and resistors) with optimal connections Certification: BrainBench “C++ Programmer” (August 2011) Certification: Stanford University (USA) “Algorithms: Design and Analysis” (April 2012) Certification: Stanford University (USA) “Machine learning” (July 2012) AWARDS AND PUBLICATIONS Article at CodeProject.com: “Thread-safe smart pointer” Patents: “Accumulating summator” (1992) (fast digital summator/accumulator for signal processing systems); “Interferometer for measuring an object linear moving” (1988, 1989) (very accurate optical movement measurement) ADDITIONAL SKILLS Languages: C++ (16 years, C++03 Standard - every day use, C++11 - knowledge), Python, Perl IDE: Qt Creator, NetBeans, Visual Studio OS: Linux (5 years), Windows (13 years), Solaris (familiarity) Libraries: STL, Boost APIs: POSIX, sockets, Unicode; Windows API DBMS: MySQL, MS SQL 2000, MS Access, SQLite, ODBC, SQL 92 Techniques: algorithms, data structures high-performance, high-load computing, low-latency multithreading, lock-free synchronization, multicore development, multiprocessing parallel computing, parallel design patterns, OpenMP distributed systems, cloud computing, grid computing, MPI, client-server TCP/IP, UDP, multicast, HTTP, TcpDump, WireShark OOP/OOD master, design patterns, reusability, UML memory and performance optimization, profiling generic programming (templates) Linux sysinternals, Windows sysinternals cross-platform development x86, x86-64 CPU architecture full-text search, inverted index, page ranking, page parsing, words stemming test-driven development, unit tests debugging techniques, analyzing crash dumps Software: bash, svn, git, jira, gdb HOBBIES AND INTERESTS Photography; playing European-style football; languages (proficient in English, basic skills in Polish and Czech)