Architecting and developing web apps for digital signage

Senior Front-end Developer

 Founded, developed and managed an e-commerce platform allowing customers to create personalized gifts in a convenient way. 

Owner

As my own company, I help other people and companies succeed in the IT world.

Development of an important internal web application for a major Polish retailer.

 Development of a major e-commerce platform in an agile environment. 

 
Development of a highly available Internet Booking System for a major European airline.

Software Developer

 Various freelance software development jobs 

Freelance

I'm a big evangelist of using streams on the front-end. It's a technology that's still evolving. They allow to make a less bug prone code. They are tricky to use at first, but after you get to know them better, they reward you back greatly.

TypeScript is the natural extension of the JavaScript. It makes the development much easier. I try to use TypeScript whenever I can - if you use it once, you'll never go back!

Serious modern web applications need some good state management. NgRx is a great tool to have a reliable source of data. I have architected and implemented two big projects which use NgRx. Thanks to that, there are very little bugs and the flow of the data is 

Strong expertise on CSS and SCSS. Very often the same result can be achieved in a few different ways. The important thing is to decide which is the best for certain scenario. Years of expertise give me the confidence and the ability to find the best solutions for every scenario.

This is the technology in which I'm the most proficient. I can architect any web app using Angular. I feel very confident using it and I'm aware of the strong and weak points of the features it has to offer. I've architected and developed major apps using this framework, many of which are the core apps of the companies which use them.

In the current days I favor the Angular + NgRx + RxJS connection. It has allowed me to achieve robust solutions in the more complicated apps.

Web Architect

Jerzy Wozniak

I've created an online matchmaking platform for Counter-Strike 1.6. It allowed users to take part in 5vs5 (10-player) games through the IRC (Internet Relay Chat) network. During the biggest fame there were around 300 games played a day using that platform.

Personal details

Jerzy W.

Summary

Technical skills

Work Experience

Personal Projects