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Stefan Osorio

Germany

Open to Work

16,419

Total Points

•
5,311

JavaScript

5107 pts
Achievements

204 pts
Forum
•
2,642

CSS

2642 pts
Achievements

0 pts
Forum
•
1,696

HTML

1696 pts
Achievements

0 pts
Forum
•
1,349

PHP

1349 pts
Achievements

0 pts
Forum
•
1,053

Development Tools

1053 pts
Achievements

0 pts
Forum
•
996

Ruby

996 pts
Achievements

0 pts
Forum
•
992

Design

984 pts
Achievements

8 pts
Forum
•
7

Business

7 pts
Achievements

0 pts
Forum
•
1

Python

1 pts
Achievements

0 pts
Forum

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

Skills & Experience

198 Achievements

Achievement
What is npm?

npm Basics (retiring)

Achieved
Sep 5, 2015
Achievement
Using a jQuery Carousel

Using jQuery Plugins

Achieved
Sep 5, 2015
Achievement
Add a Sticky Navigation Bar

Using jQuery Plugins

Achieved
Sep 5, 2015
Achievement
Introducing jQuery Plugins

Using jQuery Plugins

Achieved
Sep 5, 2015
Achievement
JavaScript Objects

JavaScript Loops, Arrays and Objects

Achieved
Sep 5, 2015
Achievement
JavaScript Arrays

JavaScript Loops, Arrays and Objects

Achieved
Sep 5, 2015
Achievement
Doing More with Express

Express Basics (2015)

Achieved
Sep 5, 2015
Achievement
Serving Static Files in Express

Express Basics (2015)

Achieved
Sep 5, 2015
Achievement
Using Templates with Express

Express Basics (2015)

Achieved
Sep 5, 2015
Achievement
The Request and Response Objects in Express

Express Basics (2015)

Achieved
Sep 2, 2015
Achievement
Developing Express Apps Like a Boss

Express Basics (2015)

Achieved
Sep 1, 2015
Achievement
Getting Started with Express

Express Basics (2015)

Achieved
Sep 1, 2015
Achievement
JavaScript Loops

JavaScript Loops, Arrays and Objects

Achieved
Aug 26, 2015
Achievement
Installing MySQL Server and MySQL Workbench

Database Foundations

Achieved
Jan 15, 2015
Achievement
Building a Command Line Application

Node.js Basics (2014)

Achieved
Dec 16, 2014
Achievement
Introduction to Node.js

Node.js Basics (2014)

Achieved
Dec 16, 2014
Achievement
Google Maps Integration

Build an Interactive Website

Achieved
Dec 16, 2014
Achievement
Two-way Data Binding

AngularJS

Achieved
Dec 9, 2014
Achievement
AngularJS MVC Frameworks

AngularJS

Achieved
Dec 9, 2014
Achievement
Introduction to Data, Databases and SQL

Database Foundations

Achieved
Nov 29, 2014
Achievement
Exploring Ember

Ember.js

Achieved
Nov 29, 2014
Achievement
Ember Data

Ember.js

Achieved
Nov 29, 2014
Achievement
Models

Ember.js

Achieved
Nov 29, 2014
Achievement
Controllers

Ember.js

Achieved
Nov 27, 2014
Achievement
Treehouse Club - CSS

Treehouse Club: CSS

Achieved
Nov 27, 2014
Achievement
Routes and Templates

Ember.js

Achieved
Nov 27, 2014
Achievement
Getting Started with Ember.js

Ember.js

Achieved
Nov 27, 2014
Achievement
AJAX and APIs

AJAX Basics (retiring)

Achieved
Nov 27, 2014
Achievement
jQuery and AJAX

AJAX Basics (retiring)

Achieved
Nov 27, 2014
Achievement
Programming AJAX

AJAX Basics (retiring)

Achieved
Nov 27, 2014
Achievement
Customizing Google Maps

Build an Interactive Website

Achieved
Nov 27, 2014
Achievement
jQuery Plugins

Build an Interactive Website

Achieved
Nov 27, 2014
Achievement
Form Validation and Manipulation

Build an Interactive Website

Achieved
Nov 24, 2014
Achievement
Traversing and Manipulating the DOM with JavaScript

Interactive Web Pages with JavaScript

Achieved
Nov 23, 2014
Achievement
Selecting Elements and Adding Events with JavaScript

Interactive Web Pages with JavaScript

Achieved
Nov 21, 2014
Achievement
MASH JavaScript

Treehouse Club - MASH

Achieved
Nov 19, 2014
Achievement
MASH CSS

Treehouse Club - MASH

Achieved
Nov 19, 2014
Achievement
MASH HTML

Treehouse Club - MASH

Achieved
Nov 19, 2014
Achievement
JavaScript and the DOM

Interactive Web Pages with JavaScript

Achieved
Nov 8, 2014
Achievement
AJAX Concepts

AJAX Basics (retiring)

Achieved
Nov 7, 2014
Achievement
JavaScript Functions

JavaScript Basics (Retired)

Achieved
Nov 6, 2014
Achievement
Treehouse Club - JavaScript

Treehouse Club: JavaScript

Achieved
Nov 5, 2014
Achievement
JavaScript Conditional Statements

JavaScript Basics (Retired)

Achieved
Nov 5, 2014
Achievement
JavaScript Numbers

JavaScript Basics (Retired)

Achieved
Nov 5, 2014
Achievement
JavaScript Variables

JavaScript Basics (Retired)

Achieved
Nov 5, 2014
Achievement
Introducing JavaScript

JavaScript Basics (Retired)

Achieved
Nov 5, 2014
Achievement
Querying the Database

Using PHP with MySQL

Achieved
Nov 4, 2014
Achievement
Connecting to MySQL

Using PHP with MySQL

Achieved
Nov 3, 2014
Achievement
Paginating a List: Model and View

Enhancing a Simple PHP Application

Achieved
Nov 3, 2014
Achievement
Paginating a List: Controller

Enhancing a Simple PHP Application

Achieved
Nov 3, 2014
Achievement
Adding Search: Model

Enhancing a Simple PHP Application

Achieved
Nov 3, 2014
Achievement
Adding Search: Controller & View

Enhancing a Simple PHP Application

Achieved
Nov 3, 2014
Achievement
Refactoring the Codebase

Enhancing a Simple PHP Application

Achieved
Nov 2, 2014
Achievement
Cleaning URLs with Rewrite Rules

Enhancing a Simple PHP Application

Achieved
Oct 20, 2014
Achievement
Cleaning URLs with Subfolders

Enhancing a Simple PHP Application

Achieved
Oct 13, 2014
Achievement
Integrating Validation Errors

Enhancing a Simple PHP Application

Achieved
Oct 13, 2014
Achievement
Moving from WordPress.com to Self-Hosted WordPress.org

Moving from WordPress.com to Self-Hosted WordPress.org

Achieved
Oct 12, 2014
Achievement
Structuring Tables

HTML Tables

Achieved
Oct 12, 2014
Achievement
Table Basics

HTML Tables

Achieved
Oct 12, 2014
Achievement
Choosing Options

HTML Forms

Achieved
Oct 9, 2014
Achievement
Organizing Forms

HTML Forms

Achieved
Oct 9, 2014
Achievement
Form Basics

HTML Forms

Achieved
Oct 7, 2014
Achievement
Ruby Testing

Ruby Foundations

Achieved
Aug 1, 2014
Achievement
Standard Library

Ruby Foundations

Achieved
Aug 1, 2014
Achievement
Ruby Core

Ruby Foundations

Achieved
Aug 1, 2014
Achievement
Ruby Methods

Ruby Basics (Retired)

Achieved
Aug 1, 2014
Achievement
Ruby Numbers (Ruby Basics)

Ruby Basics (Retired)

Achieved
Aug 1, 2014
Achievement
Ruby Strings (Ruby Basics)

Ruby Basics (Retired)

Achieved
Aug 1, 2014
Achievement
How Ruby Works

Ruby Basics (Retired)

Achieved
Aug 1, 2014
Achievement
Ruby Modules

Ruby Foundations

Achieved
Aug 1, 2014
Achievement
Ruby Procs & Lambdas

Ruby Foundations

Achieved
Jul 31, 2014
Achievement
Ruby Blocks

Ruby Foundations

Achieved
Jul 30, 2014
Achievement
Ruby Loops

Ruby Foundations

Achieved
Jul 30, 2014
Achievement
Ruby Methods

Ruby Foundations

Achieved
Jul 29, 2014
Achievement
Ruby Hashes

Ruby Foundations

Achieved
Jul 29, 2014
Achievement
Ruby Arrays

Ruby Foundations

Achieved
Jul 28, 2014
Achievement
Ruby Numbers

Ruby Foundations

Achieved
Jul 28, 2014
Achievement
Ruby Strings

Ruby Foundations

Achieved
Jul 28, 2014
Achievement
Objects, Classes, and Variables

Ruby Foundations

Achieved
Jul 23, 2014
Achievement
Ruby Basics

Ruby Foundations

Achieved
Jul 23, 2014
Achievement
Installing a Ruby Development Environment

Installing a Ruby Development Environment

Achieved
Jul 23, 2014
Achievement
Preparing to Code WordPress Templates

How to Build a WordPress Theme

Achieved
Jul 18, 2014
Achievement
WordPress Theme Functions

How to Build a WordPress Theme

Achieved
Jul 14, 2014
Achievement
WordPress Theme Templates

How to Build a WordPress Theme

Achieved
Jul 12, 2014
Achievement
Content Strategy with WordPress

How to Build a WordPress Theme

Achieved
Jul 9, 2014
Achievement
Local WordPress Development

Local WordPress Development

Achieved
Jul 9, 2014
Achievement
Simple PHP Application: Wrapping Up The Project

Build a Simple PHP Application

Achieved
Jul 9, 2014
Achievement
Working with PHP Functions

Build a Simple PHP Application

Achieved
Jul 9, 2014
Achievement
Integrating With Paypal

Build a Simple PHP Application

Achieved
Jul 8, 2014
Achievement
Listing Inventory Items

Build a Simple PHP Application

Achieved
Jul 8, 2014
Achievement
Adding a Contact Form

Build a Simple PHP Application

Achieved
Jul 8, 2014
Achievement
Creating the Menu and Footer

Build a Simple PHP Application

Achieved
Jun 23, 2014
Achievement
Getting Started with PHP

Build a Simple PHP Application

Achieved
Jun 23, 2014
Achievement
WordPress Plugin Best Practices

How to Make a Website with WordPress

Achieved
Jun 22, 2014
Achievement
Custom Post Types and Fields

How to Make a Website with WordPress

Achieved
Jun 22, 2014
Achievement
Widgets and Custom Menus

How to Make a Website with WordPress

Achieved
Jun 22, 2014
Achievement
Masks Basics

Photoshop Foundations

Achieved
Jun 22, 2014
Achievement
Workflow Basics

Photoshop Foundations

Achieved
Jun 22, 2014
Achievement
Slices & Save for Web

Photoshop Foundations

Achieved
Jun 22, 2014
Achievement
Vector Shapes

Photoshop Foundations

Achieved
Jun 22, 2014
Achievement
Type Tools

Photoshop Foundations

Achieved
Jun 22, 2014
Achievement
Layer Basics

Photoshop Foundations

Achieved
Jun 22, 2014
Achievement
Workspace Basics

Photoshop Foundations

Achieved
Jun 22, 2014
Achievement
Design Foundations Final

Design Foundations

Achieved
Jun 22, 2014
Achievement
Becoming a Problem Solver

Design Foundations

Achieved
Jun 22, 2014
Achievement
Understanding Aesthetics

Design Foundations

Achieved
Jun 22, 2014
Achievement
Introduction to Design

Design Foundations

Achieved
Jun 21, 2014
Achievement
Workflows

Git Basics

Achieved
Jun 21, 2014
Achievement
Working With Remote Repositories

Git Basics

Achieved
Jun 21, 2014
Achievement
Merging

Git Basics

Achieved
Jun 21, 2014
Achievement
Branches

Git Basics

Achieved
Jun 21, 2014
Achievement
Getting Started With Git

Git Basics

Achieved
Jun 21, 2014
Achievement
Why Version Control Matters

Git Basics

Achieved
Jun 21, 2014
Achievement
Installing Programs

Console Foundations

Achieved
Jun 21, 2014
Achievement
Environment and Redirection

Console Foundations

Achieved
Jun 21, 2014
Achievement
Console Processes

Console Foundations

Achieved
Jun 21, 2014
Achievement
Console Users and Permission

Console Foundations

Achieved
Jun 21, 2014
Achievement
Moving Around in the Console

Console Foundations

Achieved
Jun 19, 2014
Achievement
Chrome DevTools Basics

Website Optimization

Achieved
Jun 19, 2014
Achievement
Web Apps

Accessibility

Achieved
Jun 17, 2014
Achievement
Websites

Accessibility

Achieved
Jun 17, 2014
Achievement
Introduction

Accessibility

Achieved
Jun 17, 2014
Achievement
Creating a Simple Drawing Application

jQuery Basics (2014)

Achieved
Jun 17, 2014
Achievement
Creating a Password Confirmation Form

jQuery Basics (2014)

Achieved
Jun 13, 2014
Achievement
Creating a Mobile Drop Down Menu

jQuery Basics (2014)

Achieved
Jun 11, 2014
Achievement
Creating a Simple Lightbox

jQuery Basics (2014)

Achieved
Jun 11, 2014
Achievement
Creating a Spoiler Revealer

jQuery Basics (2014)

Achieved
Jun 10, 2014
Achievement
Introduction to jQuery

jQuery Basics (2014)

Achieved
May 15, 2014
Achievement
Customizing WordPress Themes

How to Make a Website with WordPress

Achieved
Mar 23, 2014
Achievement
WordPress Themes

How to Make a Website with WordPress

Achieved
Mar 23, 2014
Achievement
Installing Wordpress

How to Make a Website with WordPress

Achieved
Mar 23, 2014
Achievement
Logo Design 101

Logo Design Basics

Achieved
Mar 22, 2014
Achievement
The Logo Sprint

Logo Design Basics

Achieved
Mar 22, 2014
Achievement
Introduction to jQuery

Build an Interactive Website

Achieved
Mar 21, 2014
Achievement
Advanced Techniques

Build a Responsive Website

Achieved
Mar 20, 2014
Achievement
Responsive Design

Build a Responsive Website

Achieved
Mar 20, 2014
Achievement
Adaptive Design

Build a Responsive Website

Achieved
Mar 20, 2014
Achievement
Fluid Foundation

Build a Responsive Website

Achieved
Mar 19, 2014
Achievement
Introduction to Responsive Web Design

Build a Responsive Website

Achieved
Mar 19, 2014
Achievement
Advanced Sass Concepts

Sass Basics (retired)

Achieved
Mar 19, 2014
Achievement
Speeding up Workflow With Sass

Sass Basics (retired)

Achieved
Mar 19, 2014
Achievement
Variables, Mixins, and Extending Selectors

Sass Basics (retired)

Achieved
Mar 18, 2014
Achievement
Getting Started with Sass

Sass Basics (retired)

Achieved
Mar 18, 2014
Achievement
JavaScript Objects

JavaScript Foundations

Achieved
Mar 17, 2014
Achievement
Debugging HTML and CSS Problems

How to Make a Website

Achieved
Mar 17, 2014
Achievement
Sharing a Website

How to Make a Website

Achieved
Mar 17, 2014
Achievement
Responsive Web Design and Testing

How to Make a Website

Achieved
Mar 17, 2014
Achievement
Adding Pages to a Website

How to Make a Website

Achieved
Mar 17, 2014
Achievement
Styling Web Pages and Navigation

How to Make a Website

Achieved
Mar 17, 2014
Achievement
Customizing Colors and Fonts

How to Make a Website

Achieved
Mar 17, 2014
Achievement
CSS: Cascading Style Sheets

How to Make a Website

Achieved
Mar 17, 2014
Achievement
Creating HTML Content

How to Make a Website

Achieved
Mar 17, 2014
Achievement
JavaScript Functions

JavaScript Foundations

Achieved
Mar 17, 2014
Achievement
HTML First

How to Make a Website

Achieved
Mar 17, 2014
Achievement
Beginning HTML and CSS

How to Make a Website

Achieved
Mar 17, 2014
Achievement
Functions

Introduction to Programming

Achieved
Mar 17, 2014
Achievement
Objects and Arrays

Introduction to Programming

Achieved
Mar 17, 2014
Achievement
Control Structures

Introduction to Programming

Achieved
Mar 16, 2014
Achievement
Basics

Introduction to Programming

Achieved
Mar 16, 2014
Achievement
JavaScript Arrays

JavaScript Foundations

Achieved
Mar 16, 2014
Achievement
JavaScript Numbers

JavaScript Foundations

Achieved
Mar 16, 2014
Achievement
JavaScript Strings

JavaScript Foundations

Achieved
Mar 15, 2014
Achievement
Introduction Variables

JavaScript Foundations

Achieved
Mar 15, 2014
Achievement
Grid Layout

CSS Layout Techniques

Achieved
Mar 14, 2014
Achievement
Flexbox Layout

CSS Layout Techniques

Achieved
Mar 14, 2014
Achievement
Positioning Schemes

CSS Layout Techniques

Achieved
Mar 13, 2014
Achievement
Float Layout

CSS Layout Techniques

Achieved
Mar 13, 2014
Achievement
Display Modes

CSS Layout Techniques

Achieved
Mar 12, 2014
Achievement
Media Queries

Unused CSS Stages

Achieved
Mar 11, 2014
Achievement
CSS Animations

Unused CSS Stages

Achieved
Mar 9, 2014
Achievement
Transitions and Transforms

Unused CSS Stages

Achieved
Mar 8, 2014
Achievement
Flexbox and Multi-Column Layout

Unused CSS Stages

Achieved
Mar 8, 2014
Achievement
Gradients

CSS Foundations

Achieved
Mar 7, 2014
Achievement
Web Typography

CSS Foundations

Achieved
Mar 5, 2014
Achievement
Backgrounds and Borders

CSS Foundations

Achieved
Mar 5, 2014
Achievement
CSS Box Model

CSS Foundations

Achieved
Mar 4, 2014
Achievement
Text, Fonts, and Lists

CSS Foundations

Achieved
Mar 4, 2014
Achievement
Values and Units

CSS Foundations

Achieved
Mar 4, 2014
Achievement
Advanced Selectors

CSS Foundations

Achieved
Mar 3, 2014
Achievement
Selectors

CSS Foundations

Achieved
Mar 3, 2014
Achievement
Introduction to Illustrator

Illustrator Foundations

Achieved
Feb 16, 2014
Achievement
Getting Started with CSS

CSS Foundations

Achieved
Feb 11, 2014
Achievement
Color Theory

Aesthetic Foundations

Achieved
Feb 11, 2014
Achievement
Principles

Aesthetic Foundations

Achieved
Feb 11, 2014
Achievement
Elements

Aesthetic Foundations

Achieved
Feb 11, 2014
Achievement
Forms

HTML

Achieved
Feb 11, 2014
Achievement
Tables

HTML

Achieved
Feb 7, 2014
Achievement
Objects

HTML

Achieved
Feb 6, 2014
Achievement
Links

HTML

Achieved
Feb 6, 2014
Achievement
Lists

HTML

Achieved
Feb 5, 2014
Achievement
Text

HTML

Achieved
Feb 5, 2014
Achievement
Introduction

HTML

Achieved
Feb 5, 2014
Achievement
Styling Content

Build a Simple Website

Achieved
Feb 5, 2014
Achievement
Launching the Website

Build a Simple Website

Achieved
Feb 5, 2014
Achievement
Creating a Website Structure

Build a Simple Website

Achieved
Feb 5, 2014
Achievement
Text Editors and HTML

Build a Simple Website

Achieved
Feb 4, 2014
Achievement
Website Basics

Build a Simple Website

Achieved
Feb 3, 2014
Achievement
Newbie

Achieved
Feb 3, 2014