Jacek Wozniak

Jacek Wozniak

London, London, United Kingdom
Open to Work

4,476

Total Points

Points are earned whenever you take an important action on Treehouse.
Learn more about when and how points are earned.

Skills & Experience

  • Company

    Negative Design

  • Job Title

    Web Developer

  • Spoken Languages

    • English
    • Polish

57 Achievements

  • Achievement

    Adding a New Web Page

    Introduction to HTML and CSS (2016)

    Achieved

    Sep 29, 2016

    Adding a New Web Page
  • Achievement

    Make It Beautiful with CSS

    Introduction to HTML and CSS (2016)

    Achieved

    Sep 29, 2016

    Make It Beautiful with CSS
  • Achievement

    HTML: The Structural Foundation of Web Pages and Applications

    Introduction to HTML and CSS (2016)

    Achieved

    Sep 28, 2016

    HTML: The Structural Foundation of Web Pages and Applications
  • Achievement

    Getting Familiar with HTML and CSS

    Introduction to HTML and CSS (2016)

    Achieved

    Sep 28, 2016

    Getting Familiar with HTML and CSS
  • Achievement

    Creating a Basic Template Engine in Node.js

    Build a Simple Dynamic Site with Node.js

    Achieved

    Sep 11, 2016

    Creating a Basic Template Engine in Node.js
  • Achievement

    Handling Routes in Node.js

    Build a Simple Dynamic Site with Node.js

    Achieved

    Sep 11, 2016

    Handling Routes in Node.js
  • Achievement

    Creating a Simple Server in Node.js

    Build a Simple Dynamic Site with Node.js

    Achieved

    Sep 11, 2016

    Creating a Simple Server in Node.js
  • Achievement

    Building a Command Line Application

    Node.js Basics (2014)

    Achieved

    Sep 10, 2016

    Building a Command Line Application
  • Achievement

    Introduction to Node.js

    Node.js Basics (2014)

    Achieved

    Sep 10, 2016

    Introduction to Node.js
  • Achievement

    Local WordPress Development

    Local WordPress Development

    Achieved

    Sep 9, 2016

    Local WordPress Development
  • Achievement

    Launching and Supporting a WordPress Plugin

    How to Build a WordPress Plugin

    Achieved

    Sep 9, 2016

    Launching and Supporting a WordPress Plugin
  • Achievement

    Building WordPress Template Tags, Widgets, and Shortcodes

    How to Build a WordPress Plugin

    Achieved

    Sep 9, 2016

    Building WordPress Template Tags, Widgets, and Shortcodes
  • Achievement

    Connecting WordPress Plugins with 3rd Party APIs

    How to Build a WordPress Plugin

    Achieved

    Sep 9, 2016

    Connecting WordPress Plugins with 3rd Party APIs
  • Achievement

    Building a WordPress Plugin Settings Page

    How to Build a WordPress Plugin

    Achieved

    Sep 8, 2016

    Building a WordPress Plugin Settings Page
  • Achievement

    How WordPress Plugins Work

    How to Build a WordPress Plugin

    Achieved

    Sep 8, 2016

    How WordPress Plugins Work
  • Achievement

    Hooking Into WordPress Plugins

    WordPress Hooks - Actions and Filters

    Achieved

    Sep 8, 2016

    Hooking Into WordPress Plugins
  • Achievement

    Action Functions in WordPress

    WordPress Hooks - Actions and Filters

    Achieved

    Sep 8, 2016

    Action Functions in WordPress
  • Achievement

    Filter Functions in WordPress

    WordPress Hooks - Actions and Filters

    Achieved

    Sep 8, 2016

    Filter Functions in WordPress
  • Achievement

    An Overview of Hooks in WordPress

    WordPress Hooks - Actions and Filters

    Achieved

    Sep 8, 2016

    An Overview of Hooks in WordPress
  • Achievement

    Two-way Data Binding

    AngularJS

    Achieved

    Mar 2, 2015

    Two-way Data Binding
  • Achievement

    AngularJS MVC Frameworks

    AngularJS

    Achieved

    Mar 2, 2015

    AngularJS MVC Frameworks
  • Achievement

    Getting Started with PDO

    PHP & Databases with PDO

    Achieved

    Feb 1, 2015

    Getting Started with PDO
  • Achievement

    Getting Started with Sass

    Sass Basics (retired)

    Achieved

    Jan 22, 2015

    Getting Started with Sass
  • Achievement

    Models

    Ember.js

    Achieved

    Dec 20, 2014

    Models
  • Achievement

    Controllers

    Ember.js

    Achieved

    Dec 19, 2014

    Controllers
  • Achievement

    Routes and Templates

    Ember.js

    Achieved

    Dec 19, 2014

    Routes and Templates
  • Achievement

    Getting Started with Ember.js

    Ember.js

    Achieved

    Dec 18, 2014

    Getting Started with Ember.js
  • Achievement

    Operators

    Swift Basics (retired)

    Achieved

    Sep 23, 2014

    Operators
  • Achievement

    Types

    Swift Basics (retired)

    Achieved

    Sep 23, 2014

    Types
  • Achievement

    Variables and Constants

    Swift Basics (retired)

    Achieved

    Sep 23, 2014

    Variables and Constants
  • Achievement

    Traversing and Manipulating the DOM with JavaScript

    Interactive Web Pages with JavaScript

    Achieved

    Sep 10, 2014

    Traversing and Manipulating the DOM with JavaScript
  • Achievement

    Selecting Elements and Adding Events with JavaScript

    Interactive Web Pages with JavaScript

    Achieved

    Sep 10, 2014

    Selecting Elements and Adding Events with JavaScript
  • Achievement

    JavaScript and the DOM

    Interactive Web Pages with JavaScript

    Achieved

    Sep 10, 2014

    JavaScript and the DOM
  • Achievement

    Manipulating Schema with SQL

    Database Foundations

    Achieved

    Aug 21, 2014

    Manipulating Schema with SQL
  • Achievement

    Getting Started With Git

    Git Basics

    Achieved

    Jun 5, 2014

    Getting Started With Git
  • Achievement

    Why Version Control Matters

    Git Basics

    Achieved

    Jun 5, 2014

    Why Version Control Matters
  • Achievement

    Reading Data from Databases with SQL

    Database Foundations

    Achieved

    Jun 4, 2014

    Reading Data from Databases with SQL
  • Achievement

    Introduction to Data, Databases and SQL

    Database Foundations

    Achieved

    Jun 3, 2014

    Introduction to Data, Databases and SQL
  • Achievement

    Introduction to Front-End Frameworks

    Framework Basics

    Achieved

    Apr 21, 2014

    Introduction to Front-End Frameworks
  • Achievement

    HTML First

    How to Make a Website

    Achieved

    Apr 18, 2014

    HTML First
  • Achievement

    Beginning HTML and CSS

    How to Make a Website

    Achieved

    Apr 18, 2014

    Beginning HTML and CSS
  • Achievement

    Limiting Results in Queries

    Using PHP with MySQL

    Achieved

    Apr 18, 2014

    Limiting Results in Queries
  • Achievement

    Using Relationship Tables

    Using PHP with MySQL

    Achieved

    Apr 18, 2014

    Using Relationship Tables
  • Achievement

    Filtering Input for Queries

    Using PHP with MySQL

    Achieved

    Apr 18, 2014

    Filtering Input for Queries
  • Achievement

    Querying the Database

    Using PHP with MySQL

    Achieved

    Apr 18, 2014

    Querying the Database
  • Achievement

    Connecting to MySQL

    Using PHP with MySQL

    Achieved

    Apr 17, 2014

    Connecting to MySQL
  • Achievement

    Simple PHP Application: Wrapping Up The Project

    Build a Simple PHP Application

    Achieved

    Apr 17, 2014

    Simple PHP Application: Wrapping Up The Project
  • Achievement

    Working with PHP Functions

    Build a Simple PHP Application

    Achieved

    Apr 17, 2014

    Working with PHP Functions
  • Achievement

    Integrating With Paypal

    Build a Simple PHP Application

    Achieved

    Apr 17, 2014

    Integrating With Paypal
  • Achievement

    Listing Inventory Items

    Build a Simple PHP Application

    Achieved

    Apr 17, 2014

    Listing Inventory Items
  • Achievement

    Adding a Contact Form

    Build a Simple PHP Application

    Achieved

    Apr 17, 2014

    Adding a Contact Form
  • Achievement

    Creating the Menu and Footer

    Build a Simple PHP Application

    Achieved

    Apr 17, 2014

    Creating the Menu and Footer
  • Achievement

    Getting Started with PHP

    Build a Simple PHP Application

    Achieved

    Apr 17, 2014

    Getting Started with PHP
  • Achievement

    PHP Inheritance & Interfaces

    Object-Oriented PHP Basics (Retired)

    Achieved

    Apr 16, 2014

    PHP Inheritance & Interfaces
  • Achievement

    PHP Properties & Methods

    Object-Oriented PHP Basics (Retired)

    Achieved

    Apr 16, 2014

    PHP Properties & Methods
  • Achievement

    PHP Objects and Classes

    Object-Oriented PHP Basics (Retired)

    Achieved

    Apr 16, 2014

    PHP Objects and Classes
  • Achievement

    Newbie

    Achieved

    Apr 16, 2014

    Newbie