Paweł Wielądek, Developer in Warsaw, Poland
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Paweł Wielądek

Verified Expert  in Engineering

Software Developer

Warsaw, Poland

Toptal member since January 26, 2016

Expertise
GulpBootstrapJavaScriptReact.jsAgile DevelopmentMacOSWindows DevelopmentMySQLGitMongoDBJiraNode.jsElectron.js
Bio

Pawel is a front-end developer with 3+ years of experience in modern web technologies. He works on a daily basis with React and Node.js using the power of ES6. He communicates well and enjoys working with other developers in a Scrum environment.

Portfolio

Allegro Group
Node.js, JavaScript
Allegro Group
Sinon.JS, Android, MongoDB, Closure Compiler, Web Worker, Selenium, Karma...
MyBaze.com
Apache Solr, PHP, Less, Marionette.js, Backbone.js, Bootstrap, JavaScript

Experience

  • Adobe Photoshop - 7 years
  • JavaScript - 3 years
  • Functional Programming - 3 years
  • Git - 3 years
  • Bootstrap - 3 years
  • Test-driven Development (TDD) - 3 years
  • Scrum - 2 years
  • React - 2 years

Availability

Part-time

Preferred Environment

ECMAScript (ES6), Node.js, React, WebStorm, Git, Terminal, MacOS

The most amazing...

...thing I've coded is a big data analytics dashboard with modern user interface for the biggest marketplace company in my region.

Work Experience

Senior Front-end Developer

2016 - PRESENT
Allegro Group
  • Led front-end development of rich-featured admin panel for ad campaigns.
Technologies: Node.js, JavaScript

Web Developer

2014 - 2016
Allegro Group
  • Created a big data analytics dashboard with modern user interface.
  • Built an analytics event tracker for JavaScript.
  • Developed an analytics event tracker for Android.
  • Implemented automated integration tests for the analytics tracker for multiple platforms and browsers in Selenium and BrowserStack.
  • Programmed a system which enables creating modular pages within a marketplace environment.
Technologies: Sinon.JS, Android, MongoDB, Closure Compiler, Web Worker, Selenium, Karma, Jasmine, Chai, Mocha, Webpack, Gulp, Sass, Less, Babel, Git, Flux, Emacs, React, JavaScript

Web Developer

2013 - 2014
MyBaze.com
  • Implemented a full text search using Apache Solr.
  • Created a complex search results page using Backbone and Marionette.
  • Created a visual style guide for front-end development based on Twitter Bootstrap.
  • Created a modern landing page together with a graphic designer team.
  • Designed and created user friendly interface for product page.
Technologies: Apache Solr, PHP, Less, Marionette.js, Backbone.js, Bootstrap, JavaScript

Experience

React Container Component Pattern

https://github.com/pawelwieladek/alt-app
I developed an example usage of a container component pattern in the Alt.js Flux framework. This approach separates concerns between the component responsible for rendering data and the container responsible for communication with stores and actions. The entire code is available in the link above.

Education

2014 - 2015

Master's Degree in Artificial Intelligence

Warsaw University of Technology - Warsaw, Poland

2010 - 2014

Bachelor's Degree in Computer Science

Warsaw University of Technology - Warsaw, Poland

2012 - 2012

Exchange Program Embedded Within My Bachelor's Degree in Computer Science

National University of Singapore - Singapore

Skills

Libraries/APIs

React, Chai, PhantomJS, Backbone.Marionette, Backbone.js, Sinon.JS, Node.js, Marionette.js, Web Worker

Tools

Gulp, Adobe Photoshop, Stash, Babel, Mocha, Webpack, Karma, Atom, WebStorm, Chrome Developer Tools, Closure Compiler, Confluence, Jira, Git, Terminal, Emacs, Apache Solr

Languages

JavaScript, ECMAScript (ES6), Sass, Less, PHP, Bash

Frameworks

Bootstrap, Jasmine, Electron, Flux, Selenium

Paradigms

Agile Software Development, Scrum, Object-oriented Programming (OOP), Functional Programming, Test-driven Development (TDD)

Platforms

MacOS, Windows, Android, Linux

Storage

MySQL, MongoDB

Other

User Experience (UX)

Collaboration That Works

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