Maciej Litwiniuk
Founder at humadroid.io
Greater Poland Voivodeship
Summary
👤
Senior🎓
Top SchoolMaciej Litwiniuk is a seasoned software leader and founder with 17 years of experience building and scaling engineering teams and product-focused companies. He founded and sold Prograils, led its integration into Jobandtalent, and later served as Engineering Director driving agile transformation, retention strategies, and developer-focused culture. More recently he launched Humadroid to solve HR/people-management pain points for growing teams—an idea born from scaling his own companies to ~50 people. Hands-on across the stack, he contributes to open-source Ruby/Rails projects such as a widely used simple_calendar gem, reflecting a continued commitment to practical tooling. With dual technical and management masters-level training, he blends product instincts, fiscal oversight, and technical credibility to turn operational friction into simple, usable systems.
17 years of coding experience
13 years of employment as a software developer
MSc Management Marketing, MSc Management Marketing at Uniwersytet WSB Merito PoznańBS Computer Science, BS Computer Science at Poznan University of TechnologyIII High School Poznan
English, Polish, German
Stackoverflow
419reputation
20kreached
17answers
1question
Github Skills (11)
rails10
ruby-on-rails10
calendars10
ruby10
html9
css9
javascript6
form-helper6
selected6
sorting6
carrierwave6
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
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.