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Christof Meerwald
Profile
Experienced developer specialising in C++ development, backed by a Master's degree in Computer Science. Versed in several programming languages (C/C++, Python and Javascript) on Unix and Win32 platforms with strong experience in language parsing and static code analysis.
Work Experience
Edison Design Group| Senior Software Developer | since 9/2022 |
- C++ front end development.
Axivion GmbH| Software Developer | 12/2020 – 8/2022 |
- Static code analysis for C++, concentrating on the C++ front end.
Christof Meerwald Dev Consulting| Self Employed | since 10/2018 |
- Wearable app development for Tizen OS based smart watches: Outdoor Maps, QR Code Generator, Time-based One Time Password, Euro Rates
- Specialising in C++ coding standards, static code analysis and C++ core language parsing: C++17 constexpr if, fold expressions, inline variables, class template argument deduction, initialization in selection statements, structured bindings, direct-list-initialization of enumerations, u8 character literals, non-type placeholder template parameters, typename in template template parameters, pack expansions in using declarations, lambda capture of *this by value, constexpr lambda, constant evaluation for all non-type template arguments and aggregate initialization of classes with base classes.
Programming Research Ltd.| Senior Software Developer | 3/2010 – 9/2018 |
- Quickly became a key member of an elite C++ team by building on previous C++ compiler implementation experience.
key technologies used: test-driven development
- Key developer responsible for extending the in-house C++ parser to support C++11/14/17 features: auto type specifier, decltype, scoped and strongly typed enums, inline namespaces, explicitly defaulted and deleted functions, explicit conversion functions, rvalue references, variadic templates, noexcept, alias templates, user-defined literals, inheriting constructors, range-based for loops, lamda expressions (including init captures and generic lambdas), uniform initialization syntax, variable templates, nullptr, unicode character types, constexpr. Ensuring quality of implementation by testing against the boost library and cross-checking test-cases with gcc, clang and Visual C++.
key technologies used: latest C++ standard working draft together with the C++ core working group issues list
- Static code analysis for C++: Implementing new static analysis checks, ongoing maintenance and bug-fixing.
- Contributed to the development of coding standards for AUTOSAR and RePhrase.
- Mentoring junior developers.
Emnico Technologies Ltd./Emnico Services Ltd.| Senior Software Engineer | 1/2008 – 2/2010 |
- Network management application development.
key technologies used: Java + JNI, XML + XSLT, SQL, Apache Derby, SNMP, MIB/SMI, low-level network access
- Developed an asynchronous TCP/IP communication server.
key technologies used: C++, Boost
- Support and continuous development of an optical network management (SONET/SDH) system in a Unix environment (C++ on HP-UX and Linux).
key technologies used: C++, CMISE, OSI
Alcatel-Lucent (formerly Lucent Technologies)| Senior Software Engineer | 12/2005 – 12/2007 |
- Worked in a global development team on telecom network management software for optical networks (SONET/SDH) in a Unix environment (mostly C++ on HP-UX and Linux) with a Oracle based database backend.
key technologies used: CMISE, OSI, SQL
- Low-level architectural work: porting of the low-level networking code from HP-UX to Linux; developed a debugging memory management library to facilitate detecting and tracking down of memory management bugs.
key technologies used: low-level networking API on Linux (packet sockets), accessing a program's call stack, reading ELF/SOM symbol table
SBS Software Ges.m.b.H.
| Software Engineer |
| full time: |
11/2001 – 1/2003;
2/2004 – 11/2005 |
| part time: |
10/1996 – 6/2000;
10/2000 – 10/2001;
4/2003 – 1/2004 |
| summer internships: |
7/1994 – 8/1994;
7/1995 – 8/1995;
7/1996 – 9/1996 |
- Developed several Java/JNI libraries to access Win32 specific APIs: i.a. CEN XFS, shared access to the same RS-232 port by multiple processes.
key technologies used: Java + JNI, C++, script-based automated code generation, multi-threading, Win32
- Worked on a J2EE application for monitoring self-service banking terminals: SNMP integration, database maintenance scripts.
key technologies used: Java + J2EE, WebSphere, SNMP, DB2 SQL
- Developed a replacement for the standard Windows shell (explorer) for self-service terminals that takes care of starting and monitoring application processes and prevents unauthorized access to the operating system desktop.
key technologies used: C++ using STL and Boost libraries; Win32 API for starting and monitoring processes; COM Automation for inter-process communication and JNI for the Java integration
- Developed a highly scalable TCP/IP communication server for statement printers.
key technologies used: C++ using STL and Boost libraries; multithreaded design using Windows NT's I/O completion ports for high scalability
Lebenshilfe Salzburg, Werkstätte Hallein| National Service | 2/2003 – 1/2004 |
- As an alternative to Austria's compulsory military service: working with people with mental or multiple handicaps.
AT&T Laboratories Cambridge| Summer Internship | 7/2000 – 9/2000 |
- Automated and improved the omniORB regression testing suite; developed a black-box CORBA server testing tool in Python, based on annotations in the interface definition (IDL).
HTBLA Salzburg| Linux System Administrator | part time: 9/1997 – 6/2000 |
Education
10/1996 – 10/2001:
University of Salzburg,
Department of Computer
Science:
5-year course in Applied Computer Sciences leading to a
Master's degree
("Dipl.-Ing.");
specialised in distributed systems and wrote Master's thesis about
distributed simulation:
" CORBA-based Conservative Distributed Discrete
Event Simulation"
9/1991 – 6/1996:
HTBLA Salzburg
( secondary
technical school for electronics/informatics):
" Matura" (A-levels)
with distinction
Independent Coursework
- Introduction to Databases - Coursera (Jennifer Widom, Stanford)
- Cryptography - Coursera (Dan Boneh, Stanford)
- Algorithms: Design and Analysis, Part 1 - Coursera (Tim Roughgarden, Stanford)
- Heterogeneous Parallel Programming - Coursera (Wen-mei W. Hwu, UIUC)
- Algorithms: Design and Analysis, Part 2 - Coursera (Tim Roughgarden, Stanford)
- Microeconomics Principles - Coursera (José Vázquez-Cognet, UIUC)
- Pattern-Oriented Software Architectures for Concurrent and Networked Software - Coursera (Douglas C. Schmidt, Vanderbilt)
Additional Skills
- ISO C++ Standards Committee Member
- Programming in C, C++ (including STL and some Boost libraries), Python and Java (incl. JNI) with the ability to quickly understand an already existing, complex code-base.
- Development for Linux/POSIX platforms and Win32.
- Strong understanding of multithreaded development (i.e. concurrency, race-conditions, contention, thread-local storage)
- Contributor to StackOverflow for linux, sockets and multithreading tagged questions.
- Working on a socket abstraction library for C++ similar to Boost asio, but with better multithreading scalability.
- Developed and currently running JabRSS, an RSS (RDF Site Summary) headline notification service for Jabber/XMPP.
- Significant contributions to LoquiIM, a multi-protocol instant messaging client written entirely in HTML5 and JavaScript. Implemented end-to-end encryption based on the Signal Protocol, and transport encryption based on the Noise Protocol.
- Developed a HTML5-based map application for Firefox OS.
- Developed a lightweight SIP forwarding server (stateless SIP proxy) as well as a lightweight exim greylisting server using a SQLite backend.
- Contributor to the roundup issue tracker, focusing on Python 3 and jinja template support.
- Past contributor to the Open Watcom C++ compiler: major improvements to the C++ front-end (i.e. partial template specialization and partial ordering of class templates, template functions, namespace support and general C++ standard compliance).
- Contributed Linux-specific epoll connection handling code to the Open Source jabberd2 XMPP server to improve scalability for high number of concurrent connections.
This CV is also available as PDF
and Microsoft Word/RTF:
cv-cmeerw.pdf, cv-cmeerw.doc.
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