Chema Castellanos

Chema Castellanos

Querétaro

3,984

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

    Speed commerce

  • Job Title

    PHP Developer

  • Spoken Languages

    • Spanish
    • English
    • Italian

52 Achievements

  • Achievement

    Refactoring Our Code (Swift)

    Build a Playlist Browser with Swift

    Achieved

    Jan 25, 2015

    Refactoring Our Code (Swift)
  • Achievement

    Building the Master and Detail Views (Swift)

    Build a Playlist Browser with Swift

    Achieved

    Jan 24, 2015

    Building the Master and Detail Views (Swift)
  • Achievement

    Building a Music Library and Playlists (Swift)

    Build a Playlist Browser with Swift

    Achieved

    Jan 24, 2015

    Building a Music Library and Playlists (Swift)
  • Achievement

    Using a Navigation Controller With Segues (Swift)

    Build a Playlist Browser with Swift

    Achieved

    Jan 24, 2015

    Using a Navigation Controller With Segues (Swift)
  • Achievement

    Working With Multiple View Controllers (Swift)

    Build a Playlist Browser with Swift

    Achieved

    Jan 24, 2015

    Working With Multiple View Controllers (Swift)
  • Achievement

    Getting Started with Xcode

    Build a Simple iPhone App with Swift

    Achieved

    Jan 24, 2015

    Getting Started with Xcode
  • Achievement

    Control Flow

    Swift Basics (retired)

    Achieved

    Jan 24, 2015

    Control Flow
  • Achievement

    Collections

    Swift Basics (retired)

    Achieved

    Jan 24, 2015

    Collections
  • Achievement

    Operators

    Swift Basics (retired)

    Achieved

    Jan 24, 2015

    Operators
  • Achievement

    Types

    Swift Basics (retired)

    Achieved

    Jan 24, 2015

    Types
  • Achievement

    Variables and Constants

    Swift Basics (retired)

    Achieved

    Jan 24, 2015

    Variables and Constants
  • Achievement

    Deploying to a Device (ObjC)

    Build a Simple iPhone App with Objective-C

    Achieved

    Jan 10, 2015

    Deploying to a Device (ObjC)
  • Achievement

    Debugging Our App (ObjC)

    Build a Simple iPhone App with Objective-C

    Achieved

    Jan 9, 2015

    Debugging Our App (ObjC)
  • Achievement

    Improving Our User Interface (ObjC)

    Build a Simple iPhone App with Objective-C

    Achieved

    Jan 9, 2015

    Improving Our User Interface (ObjC)
  • Achievement

    Creating a Data Model (ObjC)

    Build a Simple iPhone App with Objective-C

    Achieved

    Jan 8, 2015

    Creating a Data Model (ObjC)
  • Achievement

    Views and View Controllers (ObjC)

    Build a Simple iPhone App with Objective-C

    Achieved

    Jan 8, 2015

    Views and View Controllers (ObjC)
  • Achievement

    Getting Started with Xcode (ObjC)

    Build a Simple iPhone App with Objective-C

    Achieved

    Jan 7, 2015

    Getting Started with Xcode (ObjC)
  • Achievement

    Understanding Views and View Controllers

    Build a Simple iPhone App (iOS7)

    Achieved

    Nov 9, 2014

    Understanding Views and View Controllers
  • Achievement

    Getting Started (iOS7)

    Build a Simple iPhone App (iOS7)

    Achieved

    Nov 8, 2014

    Getting Started (iOS7)
  • Achievement

    Beyond the Basics

    Objective-C Basics (Retired)

    Achieved

    Nov 7, 2014

    Beyond the Basics
  • Achievement

    Advanced Objective-C

    Objective-C Basics (Retired)

    Achieved

    Nov 6, 2014

    Advanced Objective-C
  • Achievement

    Foundation Framework

    Objective-C Basics (Retired)

    Achieved

    Nov 5, 2014

    Foundation Framework
  • Achievement

    Introduction to Objective-C

    Objective-C Basics (Retired)

    Achieved

    Nov 3, 2014

    Introduction to Objective-C
  • Achievement

    Pointers and Memory

    Objective-C Basics (Retired)

    Achieved

    Nov 3, 2014

    Pointers and Memory
  • Achievement

    Functional Programming in C

    Objective-C Basics (Retired)

    Achieved

    Oct 31, 2014

    Functional Programming in C
  • Achievement

    Fundamentals of C

    Objective-C Basics (Retired)

    Achieved

    Oct 23, 2014

    Fundamentals of C
  • Achievement

    JavaScript Objects

    JavaScript Foundations

    Achieved

    Oct 23, 2014

    JavaScript Objects
  • Achievement

    JavaScript Functions

    JavaScript Foundations

    Achieved

    Oct 16, 2014

    JavaScript Functions
  • Achievement

    JavaScript Arrays

    JavaScript Foundations

    Achieved

    Oct 8, 2014

    JavaScript Arrays
  • Achievement

    JavaScript Numbers

    JavaScript Foundations

    Achieved

    Oct 6, 2014

    JavaScript Numbers
  • Achievement

    JavaScript Strings

    JavaScript Foundations

    Achieved

    Oct 3, 2014

    JavaScript Strings
  • Achievement

    Functions

    Introduction to Programming

    Achieved

    Oct 2, 2014

    Functions
  • Achievement

    Objects and Arrays

    Introduction to Programming

    Achieved

    Oct 2, 2014

    Objects and Arrays
  • Achievement

    Control Structures

    Introduction to Programming

    Achieved

    Sep 25, 2014

    Control Structures
  • Achievement

    Basics

    Introduction to Programming

    Achieved

    Sep 25, 2014

    Basics
  • Achievement

    Introduction Variables

    JavaScript Foundations

    Achieved

    Sep 25, 2014

    Introduction Variables
  • Achievement

    Structuring Tables

    HTML Tables

    Achieved

    Sep 20, 2014

    Structuring Tables
  • Achievement

    Table Basics

    HTML Tables

    Achieved

    Sep 20, 2014

    Table Basics
  • Achievement

    Choosing Options

    HTML Forms

    Achieved

    Sep 20, 2014

    Choosing Options
  • Achievement

    Organizing Forms

    HTML Forms

    Achieved

    Sep 19, 2014

    Organizing Forms
  • Achievement

    Form Basics

    HTML Forms

    Achieved

    Sep 9, 2014

    Form Basics
  • Achievement

    Debugging HTML and CSS Problems

    How to Make a Website

    Achieved

    Sep 6, 2014

    Debugging HTML and CSS Problems
  • Achievement

    Sharing a Website

    How to Make a Website

    Achieved

    Sep 6, 2014

    Sharing a Website
  • Achievement

    Responsive Web Design and Testing

    How to Make a Website

    Achieved

    Sep 6, 2014

    Responsive Web Design and Testing
  • Achievement

    Adding Pages to a Website

    How to Make a Website

    Achieved

    Sep 4, 2014

    Adding Pages to a Website
  • Achievement

    Styling Web Pages and Navigation

    How to Make a Website

    Achieved

    Sep 3, 2014

    Styling Web Pages and Navigation
  • Achievement

    Customizing Colors and Fonts

    How to Make a Website

    Achieved

    Aug 30, 2014

    Customizing Colors and Fonts
  • Achievement

    CSS: Cascading Style Sheets

    How to Make a Website

    Achieved

    Aug 30, 2014

    CSS: Cascading Style Sheets
  • Achievement

    Creating HTML Content

    How to Make a Website

    Achieved

    Aug 28, 2014

    Creating HTML Content
  • Achievement

    HTML First

    How to Make a Website

    Achieved

    Aug 27, 2014

    HTML First
  • Achievement

    Beginning HTML and CSS

    How to Make a Website

    Achieved

    Aug 22, 2014

    Beginning HTML and CSS
  • Achievement

    Newbie

    Achieved

    Aug 22, 2014

    Newbie