Krzysiek Heród
Chief Technology Officer at Independent / Freelance
Barcelona, Catalonia, Spain
Summary
👤
Senior🎓
Top SchoolKrzysiek Heród is a seasoned full-stack engineer and founder with 11 years of experience building production web and mobile-first products, from Rails and PostgreSQL backends to React frontends and integrations with bank APIs. Based in Barcelona, he blends hands-on development with leadership roles—as Co-Founder of Cordial Credit and former CTO at Communicaite—while now coaching developers on both technical craft and mindset. He has a track record of tackling data-heavy projects (USDA nutrition data, employee benefits systems) and prototyping internal tools in Elixir, showing comfort across languages and architectures. An entrepreneur since the early 2000s, he also founded Netizer and contributed productivity-boosting open-source tools, reflecting a practical, efficiency-minded approach to engineering.
11 years of coding experience
17 years of employment as a software developer
Master’s Degree Computer Science, Master’s Degree Computer Science at University of Wroclaw
English, Polish
Github Skills (25)
react-components9
metadata9
material-ui9
svg9
material-design9
react9
raster8
react-component-library7
geometry-library7
github7
relational6
mapper5
geometry-processing5
geometry5
ruby4
Programming languages (6)
Github contributions (5)
netizer/relational_mapper
Feb 2016 - Apr 2016
Contributions:9 commits, 2 PRs, 30 pushes in 1 month
relationalclojuremapper
netizer/dxf-ruby
Aug 2018 - Jan 2020
Tools for working with the popular DXF file format
Contributions:2 pushes in 1 year 4 months
file-formatmime-typesrubydxf
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