Piotr Stefański

Piotr Stefański

Wrocław, Poland
Open to Work

3,671

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

    MyBenefit

  • Job Title

    BI Specialist

  • Spoken Languages

    • English

47 Achievements

  • Achievement

    JavaScript Numbers

    JavaScript Basics (Retired)

    Achieved

    Mar 11, 2017

    JavaScript Numbers
  • Achievement

    JavaScript Variables

    JavaScript Basics (Retired)

    Achieved

    Mar 8, 2017

    JavaScript Variables
  • Achievement

    Introducing JavaScript

    JavaScript Basics (Retired)

    Achieved

    Mar 7, 2017

    Introducing JavaScript
  • Achievement

    PHPDB Stage 3: Using Relational Data

    Integrating PHP with Databases

    Achieved

    Mar 5, 2017

    PHPDB Stage 3: Using Relational Data
  • Achievement

    PHPDB Stage 2: Querying the Database with PHP

    Integrating PHP with Databases

    Achieved

    Mar 5, 2017

    PHPDB Stage 2: Querying the Database with PHP
  • Achievement

    PHPDB Stage 1: Databases and PHP

    Integrating PHP with Databases

    Achieved

    Mar 4, 2017

    PHPDB Stage 1: Databases and PHP
  • Achievement

    Positioning Page Content

    CSS Layout Basics

    Achieved

    Mar 3, 2017

    Positioning Page Content
  • Achievement

    CSS Layout Project

    CSS Layout Basics

    Achieved

    Mar 3, 2017

    CSS Layout Project
  • Achievement

    Page Layout with the Float Property

    CSS Layout Basics

    Achieved

    Mar 3, 2017

    Page Layout with the Float Property
  • Achievement

    Controlling Layout with CSS Display Modes

    CSS Layout Basics

    Achieved

    Mar 3, 2017

    Controlling Layout with CSS Display Modes
  • Achievement

    Getting Started with CSS Layout

    CSS Layout Basics

    Achieved

    Mar 2, 2017

    Getting Started with CSS Layout
  • Achievement

    Fundamental Concepts

    CSS Basics (2014)

    Achieved

    Feb 28, 2017

    Fundamental Concepts
  • Achievement

    Designing with the Latest Features

    CSS Basics (2014)

    Achieved

    Feb 28, 2017

    Designing with the Latest Features
  • Achievement

    Basic Layout

    CSS Basics (2014)

    Achieved

    Feb 28, 2017

    Basic Layout
  • Achievement

    The Box Model

    CSS Basics (2014)

    Achieved

    Feb 27, 2017

    The Box Model
  • Achievement

    Understanding Values and Units

    CSS Basics (2014)

    Achieved

    Feb 27, 2017

    Understanding Values and Units
  • Achievement

    Basic Selectors

    CSS Basics (2014)

    Achieved

    Feb 26, 2017

    Basic Selectors
  • Achievement

    Getting Started with CSS

    CSS Basics (2014)

    Achieved

    Feb 24, 2017

    Getting Started with CSS
  • Achievement

    Debugging HTML and CSS Problems

    How to Make a Website

    Achieved

    Feb 23, 2017

    Debugging HTML and CSS Problems
  • Achievement

    Sharing a Website

    How to Make a Website

    Achieved

    Feb 21, 2017

    Sharing a Website
  • Achievement

    Responsive Web Design and Testing

    How to Make a Website

    Achieved

    Feb 21, 2017

    Responsive Web Design and Testing
  • Achievement

    Adding Pages to a Website

    How to Make a Website

    Achieved

    Feb 21, 2017

    Adding Pages to a Website
  • Achievement

    Styling Web Pages and Navigation

    How to Make a Website

    Achieved

    Feb 20, 2017

    Styling Web Pages and Navigation
  • Achievement

    Customizing Colors and Fonts

    How to Make a Website

    Achieved

    Feb 20, 2017

    Customizing Colors and Fonts
  • Achievement

    CSS: Cascading Style Sheets

    How to Make a Website

    Achieved

    Feb 19, 2017

    CSS: Cascading Style Sheets
  • Achievement

    Creating HTML Content

    How to Make a Website

    Achieved

    Feb 18, 2017

    Creating HTML Content
  • Achievement

    HTML First

    How to Make a Website

    Achieved

    Feb 18, 2017

    HTML First
  • Achievement

    Beginning HTML and CSS

    How to Make a Website

    Achieved

    Feb 18, 2017

    Beginning HTML and CSS
  • Achievement

    PHP Email Form Errors

    Build a Basic PHP Website (2018)

    Achieved

    Feb 18, 2017

    PHP Email Form Errors
  • Achievement

    PHP Email Forms

    Build a Basic PHP Website (2018)

    Achieved

    Feb 18, 2017

    PHP Email Forms
  • Achievement

    PHP Inventory

    Build a Basic PHP Website (2018)

    Achieved

    Feb 16, 2017

    PHP Inventory
  • Achievement

    PHP Includes

    Build a Basic PHP Website (2018)

    Achieved

    Feb 16, 2017

    PHP Includes
  • Achievement

    PHP Internal Functions

    PHP Functions

    Achieved

    Feb 15, 2017

    PHP Internal Functions
  • Achievement

    PHP Returns & Closures

    PHP Functions

    Achieved

    Feb 15, 2017

    PHP Returns & Closures
  • Achievement

    PHP Functions Basics

    PHP Functions

    Achieved

    Feb 15, 2017

    PHP Functions Basics
  • Achievement

    PHP Loops

    PHP Arrays and Control Structures

    Achieved

    Feb 15, 2017

    PHP Loops
  • Achievement

    PHP Arrays

    PHP Arrays and Control Structures

    Achieved

    Feb 15, 2017

    PHP Arrays
  • Achievement

    PHP Conditionals

    PHP Arrays and Control Structures

    Achieved

    Feb 14, 2017

    PHP Conditionals
  • Achievement

    PHP on the Web

    PHP Basics

    Achieved

    Feb 13, 2017

    PHP on the Web
  • Achievement

    Daily Exercise Program

    PHP Basics

    Achieved

    Feb 13, 2017

    Daily Exercise Program
  • Achievement

    Unit Converter

    PHP Basics

    Achieved

    Feb 12, 2017

    Unit Converter
  • Achievement

    Getting to Know PHP

    PHP Basics

    Achieved

    Feb 12, 2017

    Getting to Know PHP
  • Achievement

    Adding a New Web Page

    Introduction to HTML and CSS (2016)

    Achieved

    Feb 12, 2017

    Adding a New Web Page
  • Achievement

    Make It Beautiful with CSS

    Introduction to HTML and CSS (2016)

    Achieved

    Feb 12, 2017

    Make It Beautiful with CSS
  • Achievement

    HTML: The Structural Foundation of Web Pages and Applications

    Introduction to HTML and CSS (2016)

    Achieved

    Feb 12, 2017

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

    Getting Familiar with HTML and CSS

    Introduction to HTML and CSS (2016)

    Achieved

    Feb 12, 2017

    Getting Familiar with HTML and CSS
  • Achievement

    Newbie

    Achieved

    Feb 12, 2017

    Newbie