SaaS / Data
DOU.EU — IT jobs & salary platform
Leading tech community platform for the Poland market, combining job listings, IT articles, salary analytics and real-time community features.
View project →Product Engineer
I build and launch products fast.
Ruby on Rails + Flutter + AI agents. I take products from idea to production and own the whole technical journey.
I also help teams maintain and improve existing Ruby on Rails applications — including legacy Rails systems, dependency updates, security-related fixes and upgrades.
10+ yrsRails / Flutter / AI
What I do
Ship MVPs
Move from idea to a working product quickly, then iterate based on real feedback.
Own the product
Backend, frontend, mobile, infrastructure and the technical decisions in between.
Use AI practically
Automate repetitive development work and shorten the path from concept to production.
01 / Background
Engineering with a product mindset.
My QA background taught me to care about usability and reliability. Years of Rails development taught me how to turn that mindset into production software.
More about me02 / Consulting
Maintain & improve existing Rails applications
I also help teams with existing Ruby on Rails applications — from technical analysis and legacy Rails support to dependency updates, security fixes and Rails upgrades.
Explore consulting →03 / Selected projects
Products I've built.
A selection of platforms spanning tech communities, hiring, large-scale events and social/educational tools.
Events / Community
WAWTech
Event platform for a large-scale tech conference in Warsaw for thousands of engineers, with ticketing, payment gateway, speaker management and an admin dashboard.
View project →
Social / Education
Emotions
A browser game that helps players build emotional vocabulary — matching emotions to definitions and expressions across 99 concepts, with Ukrainian and English localization.
View project →
Social / Reference
Pravyla.com
A curated collection of etiquette and behavior guidelines for everyday social situations — from remote work and digital communication to travel and public spaces.
View project →04 / Recent writing
How to Build CRUD Applications Quickly with Rails
A hands-on tutorial building a Store app with Product and Category models — comparing manual generators to scaffolding.
Read post →
Why Ruby on Rails is Ideal for Solo Developers
Thoughts on the Ruby community, convention over configuration, and why Rails lets one developer ship a full product fast.
Read post →Have a product to build?
Please contact me, and I will take ownership from the initial idea to the final production stage.