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{\bfseries\large Egor Tensin}\\*
{\color{CvRuleColor} Last updated on: \today}
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E-mail: & \href{mailto:Egor.Tensin@gmail.com}{Egor.Tensin@gmail.com} \\
Web: & \href{https://egor-tensin.github.io/}{https://egor-tensin.github.io/}\enspace{}\textopenbullet{}\enspace{}\href{https://github.com/egor-tensin}{https://github.com/egor-tensin} \\
Tel.: & +7\,(911)\,982-06-81 \\
Location: & Saint Petersburg, Russia \\
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\CvSectionHeader{Experience}
\CvWorkplaceHeader{December 2020}{present}{Senior {\CXX} Engineer}{CloudLinux, Inc.}{www.cloudlinux.com}
\begin{CvWorkplaceDescription}
I am a member of the \href{https://tuxcare.com/}{TuxCare} team.
It's a technology that allows live-patching userspace Linux processes without
restarting them (mainly to get rid of security vulnerabilities).
I am a key developer of \href{https://tuxcare.com/live-patching-services/databasecare/}{DataBaseCare},
which extends the technology to cover mainstream database solutions.
\begin{itemize}[noitemsep]
\item C programming.
\item ELF file format.
\item Intricate Linux APIs.
\end{itemize}
\end{CvWorkplaceDescription}
\CvWorkplaceHeader{January 2020}{October 2020}{Senior {\CXX} Engineer}{Bercut Ltd.}{bercut.com}
\begin{CvWorkplaceDescription}
I was a member of the \href{https://bercut.com/products/in-voice/}{IN@Voice}
team.
IN@Voice is a billing system for telecom operators.
I was responsible for developing and maintaining key parts of the billing
logic.
\begin{itemize}[noitemsep]
\item Cross-platform (Windows, Linux \& Solaris) development.
\item {\CXX} programming.
\item Python/{\CXX} interop.
\end{itemize}
\end{CvWorkplaceDescription}
\CvWorkplaceHeader{September 2017}{July 2019}{Senior {\CXX} Engineer}{Flightradar24 AB}{www.flightradar24.com}
\begin{CvWorkplaceDescription}
I took part in the development and support of the backend part of the
Flightradar24 project.
I was responsible for how various parts of the backend received, processed and
stored third-party data in an efficient \& robust manner.
\begin{itemize}[noitemsep]
\item Native Linux development.
\item {\CXX} programming (inc. {\CXX}17 \& Boost).
\item Python programming.
\item Containerization and orchestration using Docker.
\item AWS (EC2, Lambda, DynamoDB, S3).
\end{itemize}
\end{CvWorkplaceDescription}
\CvWorkplaceHeader{September 2014}{August 2017}{Software Engineer}{Netwrix Corp.}{www.netwrix.com}
\begin{CvWorkplaceDescription}
I took part in the development of an enterprise-scale product as a member of a
core R\&D team.
I was responsible for developing various low-level components (among others):
\begin{enumerate}[noitemsep]
\item a "task scheduler" to provide means of asynchronous execution for
other components,
\item a modular RESTful API implementation.
\end{enumerate}
\begin{itemize}[noitemsep]
\item Native Microsoft Windows development (WinAPI, COM, ATL).
\item {\CXX} programming.
\item .NET programming using C\#.
\item Microsoft SQL Server \& related technologies (Reporting Services,
etc.).
\item XML \& related technologies (XSLT, XSD, etc.).
\end{itemize}
\end{CvWorkplaceDescription}
\CvWorkplaceHeader{April 2012}{May 2014}{Performance Engineer}{EMC Corp.}{russia.emc.com}
\begin{CvWorkplaceDescription}
I developed and maintained a tool for revealing, analyzing and solving storage
system performance issues, specifically process \& thread synchronization
issues.
I also troubleshooted general performance issues within enterprise storage
systems, including profiling, benchmarking, etc.
\begin{itemize}[noitemsep]
\item Native Microsoft Windows \& Linux development.
\item Microsoft Windows \& Linux kernel module development.
\item {\CXX} programming (inc. {\CXX}11 \& Boost).
\item C \& x86(-64) assembly language programming.
\item Microsoft Windows kernel debugging.
\item Performance profiling.
\end{itemize}
\end{CvWorkplaceDescription}
\CvWorkplaceHeader{May 2012}{September 2013}{Software Engineer}{Lanit-Tercom, Inc.}{www.lanit-tercom.ru}
\begin{CvWorkplaceDescription}
I took part in a R\&D on the impact introduced to the performance of a storage
system by process \& thread synchronization issues.
A prototype of a tool for revealing, analyzing and solving specific storage
system performance issues was developed.
\begin{itemize}[noitemsep]
\item Native Microsoft Windows development.
\item Microsoft Windows kernel module development.
\item C \& x86(-64) assembly language programming.
\item Python programming.
\item Microsoft Windows kernel debugging.
\item x86(-64) architecture.
\item Undocumented Microsoft Windows features.
\end{itemize}
\end{CvWorkplaceDescription}
\begin{comment}
% Wish I was a properly educated man :-(
\CvSectionHeader{Education}
\CvWorkplaceHeader{2009}{2013}{Bachelor of Computer Science}{SPbSU}{eng.spbu.ru}
\begin{CvWorkplaceDescription}
During my education, I've been focusing on the following topics:
\begin{itemize}[noitemsep]
\item x86(-64) architecture (including writing a term paper "Verification of
a x86-64 disassembler"),
\item x86(-64) microarchitecture (including working on my bachelor thesis
"Attacking AES in a cloud using CPU caches").
\end{itemize}
\end{CvWorkplaceDescription}
\end{comment}
\begin{minipage}[t]{.5\linewidth}
\CvSectionHeader{Programming Languages}
\begin{itemize}
\item C, x86(-64) assembly
\item \CXX\ (inc. {\CXX}17 \& Boost)
\item Python
\end{itemize}
\CvSectionHeader{Languages}
\begin{itemize}
\item Russian --- mother tongue.
\item English --- C1 (advanced).
\end{itemize}
\CvSectionHeader{Other Tools \& Technologies}
\begin{itemize}
\item LibreOffice, Microsoft Office
\item CygWin
\item \LaTeX
\end{itemize}
\end{minipage}
\begin{minipage}[t]{.5\linewidth}
\CvSectionHeader{Development Tools \& Technologies}
\begin{itemize}
\item \textbf{Operating systems}: Microsoft Windows, Linux
\item \textbf{IDEs}: Microsoft Visual Studio, CLion
\item \textbf{Cloud}: Docker, AWS
\item \textbf{Build systems}: CMake, GNU Make
\item \textbf{CI}: Jenkins
\item \textbf{Scripting}: CMD, GNU Bash, PowerShell
\item \textbf{Version Control}: Git, Apache Subversion, TFS, AccuRev
\item \textbf{Debugging}: GDB, WinDbg
\item \textbf{Performance}: perf, Xperf, Intel VTune Amplifier
\end{itemize}
\end{minipage}
\end{document}
