Ведущий инженер-программист

Описание

Languages: English (fluent), Russian (mother tongue), Ukrainian (mother tongue)
Education October 2001 { October 2004: postgraduate student at University Center of Joint Institute for Nuclear Research
September 1995 { March 2001: graduate student at Department of Physics and Technology of V.N. Karazin Kharkov National
University
Work experience August 2013 { now: C++/C/Python developer at Mirantis, Inc.
Projects: { Ceph, a distributed object storage, block device, and a POSIX filesystem.
Responsibilities: Debugging and bugfixing (examples: ceph bug #14428, ceph bug #12065, ceph bug #14512)
Troubleshooting production Ceph clusters
Planning and deployment of Ceph clusters according to clients' workload and requirements
Technologies: C++11, boost, Python, ansible
{ Mirantis OpenStack
Responsibilities: Debugging and fixing race conditions, data corruption, hardware specific, and other "interesting" bugs (commits)
Adjusting OpenStack components according to customers' requirements
Reviewing the code
Technologies: Python, puppet, POSIX shell, ruby, GNU make
November 2012 { August 2013 : C developer at ADB Ukraine
Project: Epicentro Platform, CPE (home router) firmware based on embedded Linux.
Responsibilities: { Implementation of user space IPv6 related components (DHCPv6 server and client)
{ Bug fixing (mostly the userspace code)
Technologies: C, Berkeley sockets, Linux, IPv6
April 2011 { November 2012 : C++ team lead at P-Product, Inc. Projects:

CEVA profiler, DSP (digital signal processor) profiler based on a simulator of the target architecture, a part of CEVA IDE
Responsibilities: Design and implementation of raw performance samples processing
Representation of the performance data in the GUI
Technologies: C++, Qt4 (in particular GraphicsScene framework), boost, SQLite
{ XMPie uRender, video personalization solution. Responsibilities:
Design and implementation of H264 video streams stitching algorithm (the key feature of the program)
Design and implementation of the GUI
Solving portability issues (the product runs on Mac OS X, Linux, and Windows)
Technologies: libavcodec, Qt4
October 2010 { April 2011: software engineer at Helicon Soft Ltd.
Project: Helicon Remote 2.0, a program for semi-atomatic focus and exposure bracketing.
Responsibilities: { Writing device (photo camera) communication code for Mac OS X and Linux
{ Design and implementation of GUI
{ Reverse engineering undocumented cameras' commands
{ Troubleshooting Mac OS X specific issues
Technologies: libusb, libptp, Canon SDK, Qt4
February 2010 { July 2010: software engineer at Quickoffice, Inc
Project: Qt4 port of Quickoffice mobile office suite
Responsibilities: { Rewriting Symbian specific code the Qt4 way
{ Debugging and fixing obscure bugs (like "widget gets mispositioned after rotating the phone 3 times in a row")
November 2008 { January 2010: software developer at Metalika Publishing House
Project: Opus Metalicus { the program which powers the \Metallicheskiy Vestnik" magazine.
Responsibilities: { Design and implementation of the database schema, triggers, views

Design and implementation of the GUI
{ Deployment, administration, and support of the software
Technologies: Qt4, PostgreSQL
November 2004 { November 2008: research fellow at Bogoliubov Laboratory of Theoretical Physics.
Supervisor: professor D.I. Kazakov
Research topics { Phenomenology of the Standard Model of elementary particles and its minimal supersymmetric extension
{Application of computer algebra to calculations in perturbative quantum field theory, in particular computation of Feynman
integrals with several mass scales
Publications {
A. Bednyakov, D.I. Kazakov, A. Sheplyakov, \On the 2-loopO( 2
s) corrections to the pole mass of the t quark in the MSSM."
Physics of Atomic Nuclei, 71:343-350,2008. (preprint: hep-ph/0507139)
{ M.Yu. Kalmykov and A. Sheplyakov, \lsjk { a C++ library for arbitrary-precision numeric evaluation of the generalized
log-sine functions." Comput.Phys.Commun. 172 (2005) 45-59. (preprint: hep-ph/0411100)

A. Bednyakov and A. Sheplyakov, \Two-loopO( sy 2) andO(y4) MSSM corrections to the pole mass of theb-quark." Physics
Letters B, 604:91-97,2004. (preprint: hep-ph/0410128)
Talks {
The 15th International Conference on Supersymmetry and the Unification of Fundamental Interactions (SUSY07), Karlsruhe,
Germany, July 26 - August 1, 2007
Subject: ffmssmsc { a C++ library for superpartner mass calculation and renormalization group analysis of the MSSM (slides)
{International school-workshop \Calculations for modern and future colliders" (CALC-2006), Dubna, Russia, July 15-25, 2006
Subject: Different two-loop correction to the mass of heavy quarks in the MSSM (slides)
Programming languages Primary (being used in everyday work): C++, C, Python, Bourne shell, SQL
Others (used only occasionally): Assembler (x86), ruby, Scheme (mostly guile)
Operating systems: Linux (primary OS since Oct. 1996), Mac OS X
Degrees M.Sc., March 2001
Supervisor: assistant professor V.G. Zima Diploma thesis title: BFV-BRST quantization of free massless arbitrary spin particle.
Hobbies Phenomenology the Standard Model and its supersymmetric extensions.
Calculation of Feynman integrals with several mass scales.
Application of computer algebra to calculations in perturbative quantum field theory.
Non-perturbative quantum field theory.
GiNaC, a special purpose C++ library for symbolic computations.