Verified Expert in Engineering
The most amazing...
Experienced React/Redux Developer
- Developed a platform for online TV aimed at the Swiss market, Wilmaa.com.
Owner | Developer
REDFOSS Piotr Ojrzyński
- Developed and created new projects for clients.
- Researched and met clients' requirements for project needs.
- Created the architecture and developed the system for a digital asset exchange.
- Developed an interactive real-time configurable booking engine system.
- Created and developed a system to collect, organize, and display posts from social media on the customer's own website, Nicho.com.
- Developed a bug-reporting tool which can be displayed directly on the tested website.
- Created and developed MyCrowd products.
- Developed a system based on the Ext JS framework.
- Created new features for existing apps.
- Extended Ext JS with custom functionalities.
Can’t Stop Games
- Created customized libraries and optimized code.
- Wrote adaptation code for browsers like Firefox, IE 7/8, Safari, and Chrome in order for the apps to run smoothly on multiple browsers.
PHP Developer | Senior PHP Developer | Team Manager
Interactive Marketing Partner
- Developed websites in PHP and PostgreSQL based on Jet.CMS.
- Provided support for the Jet.Mail system.
- Managed a team consisting of six people (one graphic designer, three PHP developers, and two testers).
- Led, managed, and created projects for clients.
• Adapted the game to multiple browsers (Firefox, IE7/8, Safari, and Chrome).
• Implemented new features.
• Optimized the code.
• Developed the base of the Ext JS functionalities
• Built some specific features such as managing the images (cropping, resizing) and so on.
• Added custom drag-n-drop behavior.
• Handled the state of the application (so that the user can see the same arrangement before they closed the browser).
Technologies: ES6, React, Redux, Redux Saga, Node.js, MySQL, Socket.io, HTML5, Stylus
System for Online Cryptocurrency Exchange
Technologies: React, Redux, Redux Saga, Metamask, Web3.js, Smart Contract, Node.js, Socket.io, Jest, HTML5, Stylus
Redux, Bootstrap, Ext JS, Jest, Next.js, React Native, Ruby on Rails (RoR), AngularJS
Marionette.js, Socket.IO, React, jQuery, Backbone.js, Redux-Saga, D3.js, Node.js, Web3.js
Adobe Photoshop, Figma, MetaMask, Git, Stylus
MySQL, PostgreSQL, JSON
Ajax, Machine Learning, Smart Contracts, Styled-components
Completed Credits towards a Degree in Information Technology Management System and Design
Warsaw School of Economics - Warsaw, Poland
Master's Degree in Mathematics and Computer Science
University of Wrocław - Wrocław, Poland