Andrzej Krzemieński
Principal Software Engineer at Sabre Poland
Cracow Metropolitan Area Poland
Summary
👤
Senior🎓
Top SchoolAndrzej Krzemieński is a Principal Software Engineer with 13 years of professional experience, currently driving engineering at Sabre Poland out of the Cracow metropolitan area. He is an active contributor to the C++ community as a member of ISO SC22/WG21, a Boost developer (maintainer of Boost.Optional and reviewer for Boost.Safe_Numerics), and a speaker at CppCon and code::dive. His open-source work includes substantive contributions to Mach7, a functional-style pattern-matching library for C++, where he extended multi-variant matching and integrated Boost types while smoothing build and compiler issues. A co-founder and lecturer at C++ User Group Krakow who runs "Andrzej's C++ blog," he blends standards-level influence with practical library and tooling improvements. Known for bridging language-standard work and hands-on engineering, he brings deep C++ expertise to large-scale, production systems and cross-library interoperability.
13 years of coding experience
16 years of employment as a software developer
master, information technology, master, information technology at Warsaw University of Technology
Stackoverflow
5,087reputation
1.9mreached
80answers
12questions
boost
top-5%
Github Skills (11)
c-language10
pattern-matching10
boost10
cprogramming-language10
exceptions9
build-automation8
destructor6
move-semantics6
language-design6
option-type6
pointer6
Programming languages (10)
Github contributions (5)
solodon4/Mach7
Dec 2014 - Mar 2016
Functional programming style pattern-matching library for C++
Role in this project:
Back-end Developer
Back-end DeveloperContributions:12 commits, 22 PRs, 24 comments in 1 year 4 months
Contributions summary:Andrzej primarily contributes to the `mach7` C++ pattern matching library by implementing new features and adapting the library to work with other C++ libraries. They added functionality to match on multiple variants and adapted Boost.Variant and Boost.Any for use with Mach7. They also made improvements to build processes and fixed compiler errors.
discriminated-unionscppincrementalfunctional-programmingmatching
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