Maciej Litwiniuk
Software Engineer at humadroid-io
Greater Poland Voivodeship
Summary
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SeniorMaciej Litwiniuk is a seasoned software founder and engineering leader with 16 years of experience across startups and product-focused engineering. As founder of Humadroid, he builds an HR and people-management tool for growing teams, applying lessons from his own company’s growth to deliver simple, stress-free workforce administration. Previously, he led engineering at Job&Talent, driving agile practices, retention, and a culture of developer happiness, after guiding Prograils from inception to a successful acquisition. He co-founded and led multiple ventures, including tiomsu, teamlens.io, and served as software architect at Elvium, blending hands-on development with strategic product leadership. An active open-source contributor in the Ruby on Rails ecosystem, he contributed to the simple_calendar gem, showcasing depth in back-end engineering and a knack for pragmatic, production-ready tooling. Based in Greater Poland, Poland, he holds an MSc in Management and a BS in Computer Science, bridging technical depth with business acumen.
17 years of coding experience
Github Skills (6)
rails10
ruby-on-rails10
calendars10
ruby10
html9
css9
Programming languages (8)
Github contributions (5)
excid3/simple_calendar
Aug 2012 - Aug 2012
A wonderfully simple calendar gem for Rails
Role in this project:
Back-end Developer
Back-end DeveloperContributions:10 commits in 1 day
Contributions summary:Maciej primarily contributed to the core logic and functionality of the Ruby on Rails calendar gem. Their work involved adding features such as a day number class and customizing the calendar options. They also enhanced the calendar by adding data attributes for the day cells, month, and year, and included CSS classes to style past and future dates. The user also merged changes from the master branch and integrated the options customization branch.
calendarweek-calendarrailsrubycustom-calendar
mlitwiniuk/dotfiles
Jan 2015 - Mar 2025
Contributions:46 pushes in 10 years 4 months
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