juan martinez

juan martinez

mexico city
Open to Work

member since April 23, 2014

40,630

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Skills & Experience

513 Achievements

  • Concepts on Advanced Functions
  • Advanced Variables, Mixins, Functions, and Placeholders
  • Getting Started with Advanced Sass
  • Dungeon Game
  • Tuples
  • Dictionaries
  • Build a Grocery List Program
  • Ruby Hashes
  • Ruby Arrays
  • Displaying Our Weather Data
  • Data Modeling With Structures
  • Concurrency
  • Pulling Data From the Web
  • Deploying to a Device
  • Debugging Our App
  • Improving Our User Interface
  • Using a Data Model
  • Views and View Controllers
  • Getting Started with Xcode
  • Swift Optionals
  • Swift Parameters and Tuples
  • Swift Functions
  • Control Flow
  • Collections
  • Operators
  • Types
  • Variables and Constants
  • Modular Media Queries
  • Sass Grid System
  • SMACSS and Sass
  • Sass and BEM
  • Getting Modular with Mixins and Functions
  • Treehouse Club - JavaScript
  • Publishing on Google Play
  • Moving from WordPress.com to Self-Hosted WordPress.org
  • Modifying Todo Lists
  • Form Builders and Rails
  • Styling Rails Forms
  • Styling Rails Models
  • Ruby on Rails Helpers
  • Rails Partials
  • Creating an App Tutorial
  • Blank Slates and Rails
  • Email with Rails
  • Working with Rails Layouts
  • Zurb Foundation on Rails
  • Remember Me
  • Styling a Header
  • Sass and Rails
  • Rails Deployment
  • Building the Profile Page
  • Testing the Whole App
  • Rails Routing
  • Writing Tests
  • Customizing Ruby on Rails Forms
  • Ruby on Rails Authentication
  • Rails Frontend Development
  • Getting Started With Rails
  • Cleanup and Feature Merge
  • Maintaining The Test Suite
  • Polishing Rails Applications
  • Static Pages with Rails
  • Ruby Logical Operators
  • Ruby Control Structures
  • Ruby Operators
  • Ruby Methods
  • Ruby Numbers (Ruby Basics)
  • Ruby Strings (Ruby Basics)
  • How Ruby Works
  • Treehouse Club - CSS
  • Welcome to the Treehouse Club
  • Slices
  • Lists Redux
  • Traversing and Manipulating the DOM with JavaScript
  • Selecting Elements and Adding Events with JavaScript
  • JavaScript and the DOM
  • Customizing Google Maps
  • Google Maps Integration
  • jQuery Plugins
  • Form Validation and Manipulation
  • Introduction to jQuery
  • AJAX and APIs
  • jQuery and AJAX
  • Programming AJAX
  • AJAX Concepts
  • Testing and Debugging
  • Improving Our Code
  • Coding the Fun Facts
  • Basic Android Programming
  • Creating the Initial Screen Layout
  • Getting Started with Android
  • A Template Hierarchy Review
  • Media Templates in WordPress
  • Custom Post Type Templates
  • Archive Templates in WordPress
  • Page and Post Templates in WordPress
  • Core WordPress Theme Files
  • How WordPress Templates Work
  • Homepage Templates in WordPress
  • Next Steps
  • Financing Our Company
  • Selling Your Product
  • Marketing Your Product
  • Product Market Fit
  • Discovery
  • Relating Models
  • Laravel CRUD
  • Validation & Flash Messages
  • Laravel Forms
  • Laravel & Databases
  • Laravel Controllers
  • Laravel Project Setup
  • Laravel Getting Started
  • PHP Inheritance & Interfaces
  • PHP Properties & Methods
  • PHP Objects and Classes
  • PHP Loops
  • PHP Conditionals
  • PHP Datatypes
  • PHP Data & Structure
  • PHP Getting Started
  • Advanced Techniques
  • Responsive Design
  • Adaptive Design
  • Fluid Foundation
  • Introduction to Responsive Web Design
  • Testing and Sharing the Extension
  • Building the Extension
  • Spriting with Compass
  • Compass Helper Functions
  • Compass Layout and Typography
  • Getting Started with Compass
  • What's New in Foundation 5
  • Build a Website With Foundation
  • Prototyping With Foundation
  • Build a Website With Bootstrap
  • Prototyping With Bootstrap
  • Introduction to Front-End Frameworks
  • Add Bootstrap Components to WordPress Theme
  • Create Bootstrap Styled Theme Templates
  • Setup a Bootstrap Theme
  • Customizing BuddyPress
  • Social Interactions in BuddyPress
  • Manage BuddyPress Member Profiles
  • Getting Started with BuddyPress
  • WordPress.com Social Features
  • Building a WordPress.com Site
  • Getting Started with WordPress.com
  • Owning a WordPress Site Long Term
  • WordPress Community Management
  • Working with Media in WordPress
  • Adding and Editing Content
  • Getting a WordPress Site
  • WordPress Admin Settings
  • The WordPress Codex
  • WordPress User Roles
  • Getting Started with WordPress
  • Custom Dashboard Widgets
  • Controlling Admin Navigation
  • Customizing the Login Screen
  • Admin Color Schemes
  • Structuring Tables
  • Table Basics
  • Finding Good WordPress Plugins and Themes
  • Managing Comments on a WordPress Blog
  • Working with Media in WordPress Blogs
  • Posts and Pages in WordPress
  • Blogging with WordPress Overview
  • Choosing Options
  • Organizing Forms
  • Form Basics
  • Launching the Website
  • Styling Content
  • Creating a Website Structure
  • Text Editors and HTML
  • Website Basics
  • Pick a Number! Any Number!
  • Putting the "Fun" Back in "Functions"
  • Shopping List
  • Things That Count
  • Ins & Outs
  • Say Hello to Python
  • Particle Systems and Keeping Score
  • Artificial Intelligence and Sound
  • Physics and Collision
  • Actions and Animations
  • Game Loop and Texture Atlas
  • Intro to Sprite Kit
  • Start menu and App Icon
  • Sound Design
  • Animating and Saving Sprites
  • Designing Characters and a Scene
  • Introduction to Game Design
  • Working with a Developer
  • Designing our App
  • Wireframing, Interaction Design and Planning
  • ADS Writing and Preparation
  • Introduction to UI Design
  • Going Mobile
  • Designing Email with CSS
  • Coding HTML Email
  • HTML Email Basics
  • Improving Usability
  • Mobile Usability
  • Website Usability
  • What is Usability?
  • Moving Forward with UX
  • Tools UXers Use
  • How UXers Think
  • What Do User Experience Designers Do?
  • What is User Experience (UX)?
  • The Logo Sprint
  • Logo Design 101
  • Finalizing the Project
  • Case Studies and Examples
  • The Brand Identity Design Process
  • Introduction to Brand Identity
  • Business Plan for Freelance Business
  • Business Plan Basics
  • Getting Work Done
  • A Lifestyle Choice
  • Growing Your Business
  • Client Services
  • Sales and Pitching
  • Marketing and Promotion
  • Moving Beyond the Blog
  • Finding Business
  • Creating Content
  • Introduction to Blogging
  • Protecting and Sharing Your Work
  • Licensing
  • Fair Use and Public Domain
  • Getting Started with Copyright
  • Creating a Long Term Business
  • Protecting Yourself With Contracts
  • Establishing a Proper Workflow
  • Pricing and Project Proposals
  • Finding Your First Project
  • Starting a Freelance Career
  • Professional Development
  • Applying & Interviewing
  • The Job Search
  • Networking
  • Personal Branding
  • Setting Your Course
  • Careers in the Tech Industry
  • Self-Assessment
  • Soft Skills - Psychology
  • Writing Online
  • Productivity
  • Presentation Skills
  • Important Skills For Professional Success
  • Cocoapods
  • Website Basics
  • DNS Basics
  • Graphic Basics
  • Metrics
  • Sales
  • Pricing
  • Financing Your Company
  • From Idea to Execution
  • Video Marketing
  • Email Marketing
  • Search Engine Optimization
  • Usability Testing
  • Usability Basics
  • Social Media
  • Making Money
  • Marketing Strategy
  • Introduction to Accounting
  • Marketing Basics
  • Forming Your Company
  • Corporate Structure
  • Why Start a Business?
  • Finishing the User Interface
  • Customizing Table View Controllers
  • Using Auto Layout and Managing the Keyboard
  • Implementing Custom Login and Sign Up Screens
  • UIKit Dynamics
  • View Controller Transitions
  • Gestures
  • What is an API?
  • Downloading Data with NSURLSession
  • Collection Views
  • Custom Detail View Controller
  • Custom UITableViewCell
  • Deleting Data
  • Listing Data using NSFetchedResultsController
  • Inserting and Saving Data
  • Understanding Core Data
  • Retrieving and Viewing Data from Parse.com
  • Capturing Photo and Video Using UIImagePickerController
  • Relating Users in Parse.com
  • Using Parse.com as a Backend and Adding Users
  • Designing and Starting the App
  • Viewing a Web Page
  • Adapting Data for Display
  • Data Modeling
  • Getting Data from the Web
  • Rebuilding from Scratch
  • Exploring the Master-Detail Template
  • Testing and Debugging
  • Animate This (iOS7)
  • Designing your App
  • Refactoring into a Model
  • Creating a Data Collection
  • Understanding Views and View Controllers
  • Getting Started (iOS7)
  • Beyond the Basics
  • Advanced Objective-C
  • Foundation Framework
  • Introduction to Objective-C
  • Pointers and Memory
  • Functional Programming in C
  • Fundamentals of C
  • Adding Push Notifications from Parse.com
  • Updating Other GridViews
  • Customizing a GridView for Friends
  • Customizing a ListView for the Inbox
  • Customizing the Action Bar
  • Using Custom Styles and Themes
  • Customizing the Login Screen
  • Starting with Design Mockups
  • Self-Destruction
  • Retrieving and Viewing Messages
  • Sending Messages
  • Capturing Photos and Videos
  • Relating Users in Parse.com
  • Using Fragments for Tabs
  • Adding Users Using Parse.com
  • Starting the App
  • Using Git for Android
  • Getting Started with Genymotion
  • Getting Started with Android Studio
  • Using Intents to Display and Share Posts
  • Adapting Data for Display in a List
  • Getting Data from the Web
  • Rebuilding from Scratch
  • Exploring the Master-Detail Template
  • Sharing Your Creation
  • Interrogating the App
  • Shaking Things Up
  • Pretty Little Things
  • Learning the Language
  • Getting Started with Android
  • Launching and Supporting a WordPress Plugin
  • Building WordPress Template Tags, Widgets, and Shortcodes
  • Connecting WordPress Plugins with 3rd Party APIs
  • Building a WordPress Plugin Settings Page
  • How WordPress Plugins Work
  • Launching a WordPress Site
  • WordPress and Forms
  • Extending WordPress Template Functionality
  • Converting Static HTML into WordPress Templates
  • Preparing to Code WordPress Templates
  • WordPress Theme Functions
  • WordPress Theme Templates
  • Content Strategy with WordPress
  • Local WordPress Development
  • WordPress Plugin Best Practices
  • Widgets and Custom Menus
  • Custom Post Types and Fields
  • Customizing WordPress Themes
  • WordPress Themes
  • Installing Wordpress
  • Using Relationship Tables
  • Limiting Results in Queries
  • Filtering Input for Queries
  • Querying the Database
  • Connecting to MySQL
  • Paginating a List: Model and View
  • Paginating a List: Controller
  • Adding Search: Model
  • Adding Search: Controller & View
  • Refactoring the Codebase
  • Cleaning URLs with Rewrite Rules
  • Cleaning URLs with Subfolders
  • Integrating Validation Errors
  • Simple PHP Application: Wrapping Up The Project
  • Working with PHP Functions
  • Integrating With Paypal
  • Listing Inventory Items
  • Adding a Contact Form
  • Creating the Menu and Footer
  • Getting Started with PHP
  • Password Resets and Testing
  • Adding User Support to Our Application
  • Password Hashing and Sign-In
  • AR Extensions
  • Callbacks
  • Query Interface
  • Validation
  • Migrations and Relationships
  • Introduction to ActiveRecord
  • Securing and Maintaining a MySQL Database
  • SQL Calculating, Aggregating and Other Functions
  • Joining Relational Data Between Tables in SQL
  • Manipulating Schema with SQL
  • Creating Tables and Manipulating Data with SQL
  • Reading Data from Databases with SQL
  • Installing MySQL Server and MySQL Workbench
  • Introduction to Data, Databases and SQL
  • Build a Todo List Application with Rails 4
  • Ruby Testing
  • Standard Library
  • Ruby Core
  • Ruby Modules
  • Ruby Procs & Lambdas
  • Ruby Blocks
  • Ruby Loops
  • Ruby Methods
  • Ruby Hashes
  • Ruby Arrays
  • Ruby Numbers
  • Ruby Strings
  • Objects, Classes, and Variables
  • Ruby Basics
  • Installing a Ruby Development Environment
  • Workflows
  • Working With Remote Repositories
  • Merging
  • Branches
  • Getting Started With Git
  • Why Version Control Matters
  • Installing Programs
  • Environment and Redirection
  • Console Processes
  • Console Users and Permission
  • Moving Around in the Console
  • Chrome DevTools Basics
  • Web Apps
  • Websites
  • Introduction
  • Creating a Simple Drawing Application
  • Creating a Password Confirmation Form
  • Creating a Mobile Drop Down Menu
  • Creating a Simple Lightbox
  • Creating a Spoiler Revealer
  • Introduction to jQuery
  • JavaScript Objects
  • JavaScript Functions
  • JavaScript Arrays
  • JavaScript Numbers
  • JavaScript Strings
  • Introduction Variables
  • Functions
  • Objects and Arrays
  • Control Structures
  • Basics
  • Advanced Sass Concepts
  • Speeding up Workflow With Sass
  • Variables, Mixins, and Extending Selectors
  • Getting Started with Sass
  • Better SEO Through Tools
  • Better SEO Through Code
  • Better SEO Through Content
  • Introduction to SEO
  • Creating Home Page Assets
  • Applying Effects
  • How to Draw in Illustrator
  •  Adding Color and Type
  • Creating an Icon
  • Introduction to Illustrator
  • Workflow Basics
  • Slices & Save for Web
  • Vector Shapes
  • Type Tools
  • Masks Basics
  • Layer Basics
  • Workspace Basics
  • Design Foundations Final
  • Becoming a Problem Solver
  • Understanding Aesthetics
  • Introduction to Design
  • Color Theory
  • Principles
  • Elements
  • Grid Layout
  • Flexbox Layout
  • Positioning Schemes
  • Float Layout
  • Display Modes
  • Media Queries
  • CSS Animations
  • Transitions and Transforms
  • Flexbox and Multi-Column Layout
  • Gradients
  • Web Typography
  • Backgrounds and Borders
  • CSS Box Model
  • Text, Fonts, and Lists
  • Values and Units
  • Advanced Selectors
  • Selectors
  • Getting Started with CSS
  • Forms
  • Tables
  • Objects
  • Links
  • Lists
  • Text
  • Introduction
  • Debugging HTML and CSS Problems
  • Sharing a Website
  • Responsive Web Design and Testing
  • Adding Pages to a Website
  • Styling Web Pages and Navigation
  • Customizing Colors and Fonts
  • CSS: Cascading Style Sheets
  • Creating HTML Content
  • HTML First
  • Beginning HTML and CSS
  • Newbie