Michal Bajur
Software Engineer at Cuseum
Krakow, Lesser Poland Voivodeship
Summary
👤
Senior🎓
Top SchoolMichal Bajur is a seasoned Ruby and Ruby on Rails engineer with 14 years of experience building custom ecommerce platforms, internal CRMs, and workflow tools for small and medium businesses. He excels at front-to-back development—designing polished UIs with Hotwired/Stimulus while refactoring legacy systems into clean, maintainable code. As a hands-on technical lead, he has built scalable integrations (including PKPass/Google Wallet generation handling millions of records) and led modular mass-import CRM solutions. Michal is an active open-source contributor to projects like Spree and the Hanami website, where he implemented search enhancements and improved structured-data and internationalization features. Based in Krakow, he thrives working directly with customers or as a “one-man army” in small teams to deliver tailored, impact-driven software.
14 years of coding experience
10 years of employment as a software developer
Computer Human Interaction, Computer Human Interaction at Jagiellonian University
English, Polish
Stackoverflow
4,456reputation
489kreached
28answers
156questions
ionic-framework
top-5%
sidekiq
top-5%
Github Skills (25)
ruby-rails10
javascript10
algolia10
jquery10
ecommerce10
lunrjs10
css10
autocomplete10
rails10
ruby10
json-ld10
spree10
ruby-on-rails10
spreed10
testing9
Programming languages (19)
Github contributions (5)
spree/spree
Apr 2015 - Dec 2019
An open source eCommerce platform giving you full control and customizability. Modular and API-first. Multi-vendor, multi-tenant, multi-store, multi-currency, multi-language. Built using Ruby on Rails. Developed by @vendo-dev
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:1 review, 15 commits, 13 PRs in 4 years 9 months
Contributions summary:Michal contributed to the Spree e-commerce platform by addressing internationalization issues and improving the JSON-LD structured data implementation. They added feature specs for JSON-LD hashes and refactored the structured data service into a helper. The user also fixed randomly failing specs and modified the product display to show all variant images when only one is available, enhancing the user experience.
multi-sourceecommercemulti-languagespreecommerceshopware
hanami/hanami.github.io
May 2017 - Aug 2018
Hanami website
Role in this project:Front-end Developer
Front-end DeveloperContributions:10 commits, 3 PRs, 15 comments in 1 year 3 months
Contributions summary:Michal primarily contributed to the website's front-end development by adding full-text search functionality. They integrated the Lunr.js library for indexing and searching content, implemented an autocomplete feature using jQuery, and styled the search input and suggestions using CSS. Furthermore, the user improved the user experience by adding styling improvements and setting the search input to a readonly state until the search index was loaded. The user also integrated Algolia search for enhanced search capabilities and updated the user interface with an accordion menu.
hanamiruby
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