Krzysztof Kowalczyk
Head Of Research & Data Analytics
Krakow, Lesser Poland Voivodeship
Summary
🤩
Rockstar🎓
Top SchoolKrzysztof Kowalczyk is a data analytics leader with 19 years of experience, currently Head of Research & Data Analytics at Grupa RMF in Krakow. He blends quantitative research, BI reporting and predictive analytics with hands-on data engineering, having risen from senior market research specialist to lead strategic analytics across the organization. His background includes consultancy on CRM, loyalty and customer insights, plus applied academic work in statistics and real estate market analysis from AGH University. A pragmatic coder and open-source contributor, he has improved build systems and parsers on notable projects like SumatraPDF and the Go markdown renderer, demonstrating attention to code quality and tooling. Colleagues value his ability to turn complex, multi-source datasets into clear, actionable intelligence and reproducible analytics workflows.
19 years of coding experience
AGH University
English
Stackoverflow
3,533reputation
262kreached
36answers
7questions
go
top-5%
Github Skills (24)
markdown10
c-language10
rendering10
html-renderer10
memory-management10
render10
go10
markdown-it10
parsing10
parse10
build-automation10
cprogramming-language10
exceptions9
code-optimization9
regular-expression9
Programming languages (14)
Github contributions (5)
gomarkdown/markdown
Jan 2018 - Oct 2022
markdown parser and HTML renderer for Go
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 review, 219 commits, 77 PRs in 4 years 9 months
Contributions summary:Krzysztof primarily focused on modifying the markdown parser and HTML renderer for Go. Their contributions include integrating a new package name, updating various links, and making it stand-alone by folding in external code. The user was also instrumental in refactoring the codebase, renaming and reorganizing files to improve code clarity and functionality. Furthermore, the user was involved in enhancing the parser with support for mathjax.
golanghtml-renderermarkdown-parsergorenderer
sumatrapdfreader/sumatrapdf
Jul 2007 - Dec 2022
SumatraPDF reader
Role in this project:Back-end & Build Engineer
Back-end & Build EngineerContributions:14 releases, 10 reviews, 9606 commits in 15 years 7 months
Contributions summary:Krzysztof's contributions primarily involve addressing code quality issues and build-related tasks. They worked on fixing memory allocation errors and implemented corrections within the code, with focus on ensuring alignment and optimization. Furthermore, the user made modifications to the build processes, including integration and version control aspects, to improve the overall functionality and stability of the project.
pdfpdf-viewerwin32c-plus-plusreader
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