resume/ResumeJanKratochvil.tex

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  32         /Title(Jan Kratochvil Resume)
  33         /Author(Jan Kratochvil)
  34         /Subject($Id$)
  35         }
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  46 \begin{document}
  47
  48 \begin{table}[!h]
  49         \centering
  50         \begin{tabular*}{0.57\textwidth}{|@{\extracolsep{\fill}}c@{\extracolsep{\fill}}l@{\extracolsep{\fill}}l@{\extracolsep{\fill}}|}
  51                 \hline
  52                 \ %
  53                 {} & name                 & Jan Kratochvil \\
  54                 {} & English              & fluent\ \ \ \\
  55                 {} & born                 & 1979 \\
  56                 {} & e-mail               & \href{mailto:job@jankratochvil.net}{job@jankratochvil.net} \\
  57                 {} & projects before 2005\ \ & \href{https://www.jankratochvil.net/project/}{https://www.jankratochvil.net/project/}\ \ \\
  58                 {} & resume               & \href{https://www.jankratochvil.net/resume/}{https://www.jankratochvil.net/resume/} \\
  59                 {} & OpenPGP              & \href{https://www.jankratochvil.net/pgp-JanKratochvil.txt}{1E3AD15E} \\
  60                 \hline
  61         \end{tabular*}
  62 \end{table}
  63
  64 \begin{table}[!h]
  65         \centering
  66         \caption{Fulltime Jobs}
  67         \begin{tabular*}{\textwidth}{|lp{1.2in}@{\extracolsep{\fill}}p{4.35in}|}
  68                 \hline
  69 Date & Company & Description \\
  70 \hline
  71
  72 2022-\dots & \href{https://www.azul.com/}{Azyl Systems} &
  73         Development of OpenJDK in C++/C/assembler.
  74         \\
  75 \hline
  76
  77 2022 & \href{https://www.barclays.co.uk/}{Barclays} &
  78         Software development in C++.
  79         \\
  80 \hline
  81
  82 2006-2021 & \href{https://www.redhat.com/}{Red Hat} &
  83         \href{https://en.wikipedia.org/wiki/LLDB_(debugger)}{LLDB} debugger developer and
  84         formerly \href{https://en.wikipedia.org/wiki/GNU_Debugger}{GDB} debugger developer.
  85
  86         \href{https://en.wikipedia.org/wiki/GNU_Debugger}{GDB} developed primarily 2007-2013, 1231 commits:
  87                 \href{https://github.com/bminor/binutils-gdb/commits?author=jankratochvil}{log}.
  88
  89         I was GDB maintainer for \href{https://en.wikipedia.org/wiki/Fedora_(operating_system)}{Fedora}\&\href{https://en.wikipedia.org/wiki/Red_Hat_Enterprise_Linux}{RHEL}.
  90         Larger features I have implemented: \href{https://en.wikipedia.org/wiki/Position-independent_executable}{PIE} support,
  91         DWARF-5 entry values \& tail calls, Fortran modules, DWARF-5 excl. DWO incl.
  92         .debug\_names index producer \& consumer excl. namespaces. Implemented in
  93         Fedora but never upstreamed: C\&Fortran \href{https://en.wikipedia.org/wiki/Variable-length_array}{VLA}, build-id.
  94
  95         \href{https://en.wikipedia.org/wiki/LLDB_(debugger)}{LLDB} developed 2017-2021, 159 commits:
  96                 \href{https://github.com/llvm/llvm-project/commits?author=jankratochvil}{log},
  97                 \href{https://reviews.llvm.org/p/jankratochvil/}{reviews}.
  98
  99         Developed \href{https://sourceware.org/systemtap/wiki/utrace/tests}{Linux kernel ptrace testsuite} (most of the testcases are mine).
 100
 101         My presentations about \href{https://en.wikipedia.org/wiki/GNU_Debugger}{GDB}:
 102                 \href{https://www.jankratochvil.net/resume/DeveloperConference2011-debug.pdf}{2011}
 103                 \href{https://www.jankratochvil.net/resume/gdb2012.pdf}{2012}
 104                 \href{https://www.jankratochvil.net/resume/devconf2017.pdf}{2017}
 105
 106         My presentation about \href{https://en.wikipedia.org/wiki/LLDB_(debugger)}{LLDB}:
 107                 \href{https://www.jankratochvil.net/resume/devconf2019.pdf}{2019}
 108
 109         My article about \href{https://en.wikipedia.org/wiki/LLVM}{LLVM}/\href{https://en.wikipedia.org/wiki/AddressSanitizer}{Sanitizers}:
 110                 \href{https://developers.redhat.com/blog/2021/05/05/memory-error-checking-in-c-and-c-comparing-sanitizers-and-valgrind#}{2021}
 111
 112         My \href{https://en.wikipedia.org/wiki/DWARF}{DWARF} standard
 113                 clarifications:
 114                         \href{http://www.dwarfstd.org/ShowIssue.php?issue=100416.1}{1}
 115                         \href{http://www.dwarfstd.org/ShowIssue.php?issue=090321.1}{2}
 116                         \href{http://www.dwarfstd.org/ShowIssue.php?issue=161215.3}{3}
 117                         \href{http://www.dwarfstd.org/ShowIssue.php?issue=161113.1}{4}
 118                         \href{http://www.dwarfstd.org/ShowIssue.php?issue=110926.1}{5}
 119                         \href{http://www.dwarfstd.org/ShowIssue.php?issue=100923.1}{6},
 120                 extensions:
 121                         \href{http://www.dwarfstd.org/ShowIssue.php?issue=161102.1}{1},
 122                         \href{http://www.dwarfstd.org/ShowIssue.php?issue=170527.1}{2},
 123                 fix:
 124                         \href{http://www.dwarfstd.org/ShowIssue.php?issue=161027.1}{1}.
 125
 126         My \href{https://lab.llvm.org/staging/#/builders/16}{LLDB buildbot}, its \href{https://github.com/llvm/llvm-zorg/commits?author=jankratochvil}{implementation}.
 127
 128         Completed \href{https://en.wikipedia.org/wiki/Red_Hat_Certified_Engineer}{RHCE} certificate \href{https://rhtapps.redhat.com/verify?certId=110-518-099}{110-518-099}.
 129
 130         Wrote many bugfixes and bugreports for various components of \href{https://en.wikipedia.org/wiki/Fedora_(operating_system)}{Fedora}
 131         \href{https://en.wikipedia.org/wiki/Free_software}{Free} operating system.
 132         \\
 133 \hline
 134
 135 2005 & \href{https://www.valinux.co.jp/}{VA Linux Systems\hfil\newline Japan} &
 136         \href{https://www.kernel.org/}{Linux kernel} -- first ever Linux kernel relocatability
 137         for~\href{https://en.wikipedia.org/wiki/Kdump_(Linux)}{kdump}-alike,\linebreak
 138         \href{https://en.wikipedia.org/wiki/Network_File_System}{NFS (Network File System)} server caching
 139         \\
 140 \hline
 141
 142 2004 & \href{https://en.wikipedia.org/wiki/Sun_Microsystems}{Sun Microsystems} &
 143         \href{https://en.wikipedia.org/wiki/Sun_Java_System}{Sun Java Enterprise System} Quality Assurance (JES~QA), technical lead
 144         \\
 145 \hline
 146
 147         \end{tabular*}
 148 \end{table}
 149
 150 \vskip\intertableskip
 151
 152 \begin{table}[!h]
 153         \centering
 154         \caption{Freelance Projects}
 155         \begin{tabular*}{\textwidth}{|l@{\extracolsep{\fill}}p{5.7in}|}
 156                 \hline
 157 Date & Description \\
 158 \hline
 159
 160 \hypertarget{captive}{2002-2003} & \href{https://www.jankratochvil.net/project/captive/}{Captive}: The first free NTFS read/write filesystem for Linux OS
 161
 162         Featured \href{https://tech.slashdot.org/story/03/12/02/1536227/using-the-real-ntfssys-driver-under-linux}{on slashdot}.
 163
 164         Reverse engineered i386 MS-Windows XP kernel and ntfs.sys for the first
 165         binary compatible reimplementation of the undocumented parts of MS-Windows
 166         kernel subsystems.
 167
 168         Userland part of the project provides \href{https://en.wikipedia.org/wiki/GnomeVFS}{GnomeVFS} interface to the MS-Windows kernel
 169         based MS-Windows filesystem isolated by the
 170         \href{https://en.wikipedia.org/wiki/Common_Object_Request_Broker_Architecture}{CORBA}/\href{https://en.wikipedia.org/wiki/ORBit}{ORBit}
 171         interface.
 172
 173         For development purposes I implemented also \href{https://www.jankratochvil.net/project/TraceFS/}{TraceFS}:
 174         MS-Windows Kernel API Tracer as a~native MS-Windows kernel driver for
 175         tracing of the NT Cache Manager.
 176         \\
 177 \hline
 178
 179 \hypertarget{mms2}{2005-2006} & \href{https://www.jankratochvil.net/product/mms2/}{MMS2}: Alternative center for cheaper mobile phones multimedia messages (MMS)
 180         \\
 181 \hline
 182
 183 2004 & \href{https://www.jankratochvil.net/product/hotelgate/}{HotelGate}: Internet gateway for hotel guests
 184         \\
 185 \hline
 186
 187         \end{tabular*}
 188 \end{table}
 189
 190 \vskip\intertableskip
 191
 192 \begin{table}[!ht]
 193         \centering
 194         \caption{Contractor Jobs}
 195         \begin{tabular*}{\textwidth}{|lp{0.7in}@{\extracolsep{\fill}}p{4.95in}|}
 196                 \hline
 197 Date & Client & Description \\
 198 \hline
 199
 200 2001-2002 & \href{https://www.atspraha.cz/en/}{Advanced\newline Telecom\newline Services} &
 201         Early cell phone technologies:
 202                         \href{https://en.wikipedia.org/wiki/Multimedia_Messaging_Service}{MMS} framework development incl. \href{https://www.jankratochvil.net/etmms/}{MMS Center debugging}
 203                         (written using \href{https://en.wikipedia.org/wiki/Perl}{Perl}, \href{https://en.wikipedia.org/wiki/XML}{XML}, \href{https://en.wikipedia.org/wiki/SOAP}{SOAP}),
 204                         Multimedia EMS support (my~\href{https://www.jankratochvil.net/project/gsmperl/}{GSM::SMS patch}),
 205                         BIP (Nokia CIMD2 alike) protocol client by extending (\href{https://www.gnokii.org/}{gnokii}).
 206         \\
 207 \hline
 208
 209 1999-2000 & \href{https://www.suse.com/}{SuSE} &
 210         \href{https://www.jankratochvil.net/project/surprise/}{Partition Surprise}: superseded by \href{https://en.wikipedia.org/wiki/GParted}{GParted}
 211
 212         It was implemented by multiple people of our team. For development purposes I~implemented
 213         \href{https://www.jankratochvil.net/project/int13sniff/}{Int13Sniff} for bootability troubleshooting.
 214         \\
 215 \hline
 216
 217 2001-2002 & \href{https://www.readynote.com/}{ReadyNote} &
 218         Early cell phone technologies: debugged \href{https://www.gnokii.org/}{gnokii} GSM software modem, ported \href{https://www.gnokii.org/}{gnokii} and my
 219                         \href{https://www.jankratochvil.net/project/mdsms/}{mdsms} to embedded \href{https://en.wikipedia.org/wiki/UClibc}{uClibc}.
 220         \\
 221 \hline
 222
 223 1999-2003 & \href{https://jklabs.cz/}{JKLabs} &
 224         Support of company systems, hotel installations,
 225   technical challenges like an i386 IRQ redirector,
 226         \href{https://www.jankratochvil.net/project/middleman/}{Middleman port} (HTTP modifying proxy) or
 227         \href{https://www.jankratochvil.net/project/ssht/}{ssht} (SSH tunnel).
 228         \\
 229 \hline
 230
 231 2001 & \href{https://www.gts.cz/cz-en}{GTS} &
 232         \href{https://www.jankratochvil.net/project/tac_plus/}{tac\_plus auth}: Cisco TACACS+ NAS host based authorization
 233         \\
 234 \hline
 235
 236 1998-1999 & \href{https://www.geoinvest.cz/}{Geoinvest} &
 237         Early cell phone technologies -- Siemens M1 GSM modem daemon for GPS,
 238         embedded devices -- \href{https://www.jankratochvil.net/project/332/}{332}:
 239         \href{https://en.wikipedia.org/wiki/AmigaOS}{AmigaOS} kernel port to embedded \href{https://en.wikipedia.org/wiki/Freescale_683XX}{Motorola 68332}.
 240         \\
 241 \hline
 242
 243 1999 & \href{https://www.tencom.cz/}{TENcom\newline Trade} &
 244   Early cell phone technologies -- \href{https://www.jankratochvil.net/project/mdsms/}{mdsms}:
 245         \href{https://en.wikipedia.org/wiki/SMS}{SMS} software for \href{https://en.wikipedia.org/wiki/Digital_UNIX}{Digital UNIX}.
 246         \\
 247 \hline
 248
 249 1998 & ELSA &
 250         \href{https://www.jankratochvil.net/project/step/}{STEP}:
 251         A~web database application. Fixed Free Software
 252         \href{https://www.jankratochvil.net/project/phphash/}{PHP} and
 253         \href{https://www.jankratochvil.net/project/pgsqlsubstr/}{PostgreSQL}.
 254         \\
 255 \hline
 256
 257 1993-1996 & Profes J\&K &
 258         PC assembly and customer service
 259         \\
 260 \hline
 261
 262 1993 & \href{http://www.japhila.cz/}{Japhila} &
 263         StampMan: Database application (MS-DOS: Pascal, plainTeX)
 264         \\
 265 \hline
 266
 267         \end{tabular*}
 268 \end{table}
 269
 270 \pagebreak
 271
 272 \begin{table}[!h]
 273         \centering
 274         \caption{Awards}
 275         \begin{tabular*}{\textwidth}{|l@{\extracolsep{\fill}}p{6.15in}|}
 276                 \hline
 277                 1997 & Bronze medal (not 3rd) in International Olympiad in Informatics, South Africa -- Cape Town \\
 278                 1997 & 2nd in MO-P national contest -- mathematics Olympiad, the programming category \\
 279                 1997 & 1st in International Competition in Programming \\
 280                 1996 & 4th in International Competition in Programming \\
 281                 1995 & 7th in Central European Olympiad in Informatics \\
 282                 \hline
 283         \end{tabular*}
 284 \end{table}
 285
 286 \vskip\intertableskip
 287
 288 \begin{table}[!h]
 289         \centering
 290         \caption{Technologies (mostly obsolete in 2021)}
 291         \begin{tabular*}{\textwidth}{|l@{\extracolsep{\fill}}p{5.10in}|}
 292                 \hline
 293 %               Major Areas         & mobile technologies, filesystems, embedded devices \\
 294                 Platforms           & Linux OS/i386/FreeBSD, MS-Windows i386 kernel, Amiga/680x0, MS-DOS,
 295                                                                                                                                 ZX Spectrum, PC-E500S \\
 296                 Languages           & C++14, C, Perl, Python, bash/awk/sed...,
 297                                                                                                                                 Java$\le$1.0, Pascal, Basic, REXX, S-Lang, Foxplus, Prolog \\
 298                 Tools               & GIT, cmake, SVN, autoconf, automake, libtool, m4, CVS, gettext, bison, flex, ld~script \\
 299                 Assemblers          & i386/x86\_64, briefly aarch64/arm7/s390x/ppc64, Motorola 680x0, Zilog~Z80, Intel 8051, MIPS R2/3000 \\
 300                 WWW                 & HTML$\le$4.0, CSS, PHP, SQL (PostgreSQL, MySQL), JavaScript, CGI \\
 301                 Documentation       & plainTeX, LaTeX, DocBook, DocBook Lite, XML/NS/Schema,
 302                                                                                                                                 gtk-doc, nroff, pod \\
 303                 Libraries           & Gnome/GTK+/GLib, POSIX/BSD/SysV/threads/sockets, X11, OpenGL, NCurses,
 304                                                                                                                                 S-Lang, GnomeVFS, libxml, libneon, SVGALib, NIS, Qt,
 305                 % RPC
 306                                                                                                         CORBA/ORBit, SOAP, WSDL, Sun~RPC \\
 307                 Protocols/Formats   & GSM SMS/PDU/Nokia~Smart~Messaging/EMS/WAP/WTP/WSP/MMSE/SMIL,\hfill\newline
 308                                                                                                                                 WML/AMR/WSP/AMR, GSM ETSI/3GPP stds, IPv4, HTTP, SMTP\hfill\newline
 309                                                                                                                                 RFC822/MIME, FTP, SSH, DHCP, POP3, IMAP4, NFS~v2/v3, PPP/LCP/IPCP,
 310                 % Filesystems
 311                                                                                                         ext2, FAT, AmigaFFS, ISO-9660 \\
 312                 \hline
 313         \end{tabular*}
 314 \end{table}
 315
 316 \end{document}
 317 \bye