Kang-Kyu Lee

Kang-Kyu Lee

South Pasadena, CA

a Ruby developer

Skills & Experience

  • Company

    Fullscreen Media

  • Job Title

    Software Engineer

  • Spoken Languages

    • English
    • Korean
  • Looking for work

    Yes

586 Achievements

  • Testing and Debugging
  • Creating Rails Apps
  • Structuring Your Content
  • Getting Started With HTML
  • Improving Our Code
  • Basic Android Programming
  • Creating the Screen Layout
  • Reusable GraphQL
  • Making Changes with Mutations
  • Fetching Data with Queries
  • Getting Started with GraphQL
  • Publishing on Google Play
  • Adding a New Web Page
  • Make It Beautiful with CSS
  • Getting Data from a Database
  • Sinatra Finishing Touches
  • Updating Data in Sinatra
  • Ruby Conditionals
  • Ruby Numeric Types
  • Store Inventory Using Modules
  • Include and Extend
  • Ruby Core Modules
  • Ruby Module Basics
  • Animation Basics
  • Ruby Standard Library: Part 2
  • Ruby Standard Library: Part 1
  • Ruby Core
  • Gems In Depth
  • Ruby Gems
  • Ruby Objects
  • Ruby Strings and Escape Sequences
  • Ruby Syntax
  • HTML: The Structural Foundation of Web Pages and Applications
  • Introducing Services
  • Threads in Android
  • Scrum Artifacts
  • Scrum Events
  • Getting Started with Android
  • Input and Output
  • Search
  • The Project
  • Introducing SharedPreferences
  • The Activity Lifecycle
  • Getting Familiar with HTML and CSS
  • Acting on List Item Taps
  • Lists with RecyclerViews
  • Using Parcelable Data
  • Custom ListViews
  • Adding New Data in Sinatra
  • Sinatra ERB Templates
  • Creating New Sinatra Apps
  • Ruby Class Design
  • Standard ListViews
  • Updating the Data Model
  • Data, Databases and SQL
  • Hooking up the Model to the View
  • Building the Weather UI
  • Working with JSON
  • Concurrency and Error Handling
  • Introducing Scrum
  • Networking
  • Exploring an API
  • Themes and Compatibility
  • Using Styles in Layouts
  • The Rest of the Story
  • Finishing the User Interface
  • The Model-View-Presenter Pattern
  • Intents and Multiple Activities
  • Tuning the User Interface
  • User Input in Android
  • Testing and Debugging
  • Improving Our Code
  • Basic Android Programming
  • Creating the Screen Layout
  • Getting Started with Android
  • How it Works
  • Delivering the MVP
  • Creating the MVP
  • What is Agile?
  • Harnessing the Power of Objects
  • Meet Objects
  • Perfecting the Prototype
  • Using your New Tools
  • Getting Started with Java
  • S3 Storage Service
  • AWS and "The Cloud"
  • Getting the REST You Need
  • Test Drive
  • Blocks Practice
  • Working With Blocks
  • Meet Selenium
  • Refining the App
  • Building the Application
  • Ruby Blocks
  • Build a Simple Todo List Program
  • Ruby Booleans
  • Setting up with Create React App
  • Integrating 3rd Party APIs
  • Implementing Redux
  • Implementing React Native
  • Why React Native
  • Component Lifecycle
  • Designing Dataflow
  • Stateful Components
  • Thinking in Components
  • First Steps in React
  • Building a Command Line Application
  • Introduction to Node.js
  • Welcome to Flask
  • Services and Dependencies
  • Two-way Data Binding
  • Displaying Our Weather Data
  • Data Modeling With Structures
  • Build a Bank Account Class
  • Ruby Variables and Methods
  • Ruby Objects and Classes
  • Routes and Templates
  • Concurrency
  • AngularJS MVC Frameworks
  • Pulling Data From the Web
  • Swift Structs and their Methods
  • Swift Structs
  • Swift Enums and their Methods
  • Swift Enums
  • Build a Simple Contact List
  • Ruby Iteration
  • Ruby Loops
  • Getting Started with Ember.js
  • JavaScript Functions
  • JavaScript Conditional Statements
  • JavaScript Numbers
  • JavaScript Variables
  • Introducing JavaScript
  • Build a Grocery List Program
  • Ruby Hashes
  • Ruby Arrays
  • 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
  • Concepts on Advanced Functions
  • Physics and Collision
  • Getting Started with Android
  • Discovery
  • Deleting Data
  • Advanced Variables, Mixins, Functions, and Placeholders
  • Dungeon Game
  • Treehouse Club - JavaScript
  • Tuples
  • Dictionaries
  • Slices
  • Getting Started with Advanced Sass
  • Laravel Getting Started
  • Lists Redux
  • How WordPress Templates Work
  • Getting Started with WordPress
  • PHP Loops
  • PHP Conditionals
  • PHP Data & Structure
  • PHP Getting Started
  • PHP Datatypes
  • Traversing and Manipulating the DOM with JavaScript
  • Selecting Elements and Adding Events with JavaScript
  • Treehouse Club - CSS
  • JavaScript and the DOM
  • Ruby Operators
  • Ruby Logical Operators
  • Ruby Control Structures
  • Structuring Tables
  • Table Basics
  • Welcome to the Treehouse Club
  • Cleanup and Feature Merge
  • Maintaining The Test Suite
  • Polishing Rails Applications
  • Static Pages with Rails
  • Custom Dashboard Widgets
  • Controlling Admin Navigation
  • Customizing the Login Screen
  • Admin Color Schemes
  • Listing Data using NSFetchedResultsController
  • Inserting and Saving Data
  • Understanding Core Data
  • Getting Started with Genymotion
  • Getting Started with Android Studio
  • Using Git for Android
  • Testing and Sharing the Extension
  • Building the Extension
  • Viewing a Web Page
  • Adapting Data for Display
  • Data Modeling
  • Getting Data from the Web
  • Rebuilding from Scratch
  • Exploring the Master-Detail Template
  • Ruby Methods
  • Ruby Numbers (Ruby Basics)
  • How Ruby Works
  • Ruby Strings (Ruby Basics)
  • Add Bootstrap Components to WordPress Theme
  • Create Bootstrap Styled Theme Templates
  • Pick a Number! Any Number!
  • Putting the "Fun" Back in "Functions"
  • Shopping List
  • Things That Count
  • Ins & Outs
  • Say Hello to Python
  • 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)
  • Start menu and App Icon
  • Animating and Saving Sprites
  • Sound Design
  • Designing Characters and a Scene
  • Actions and Animations
  • Game Loop and Texture Atlas
  • Intro to Sprite Kit
  • Beyond the Basics
  • Advanced Objective-C
  • Foundation Framework
  • Introduction to Objective-C
  • Creating an App Tutorial
  • Blank Slates and Rails
  • Email with Rails
  • Finding Good WordPress Plugins and Themes
  • Managing Comments on a WordPress Blog
  • Working with Media in WordPress Blogs
  • Posts and Pages in WordPress
  • Creating Home Page Assets
  • Applying Effects
  • How to Draw in Illustrator
  •  Adding Color and Type
  • Creating an Icon
  • Spriting with Compass
  • Compass Helper Functions
  • Compass Layout and Typography
  • Blogging with WordPress Overview
  • Choosing Options
  • Organizing Forms
  • Form Basics
  • Finalizing the Project
  • Case Studies and Examples
  • Workflow Basics
  • Slices & Save for Web
  • The Brand Identity Design Process
  • Introduction to Brand Identity
  • Modifying Todo Lists
  • Form Builders and Rails
  • Styling Rails Forms
  • AJAX and APIs
  • jQuery and AJAX
  • Programming AJAX
  • AJAX Concepts
  • Styling Rails Models
  • Ruby on Rails Helpers
  • Rails Partials
  • Styling a Header
  • Sass and Rails
  • Introduction to Game Design
  • Vector Shapes
  • Introduction to Illustrator
  • WordPress User Roles
  • Protecting and Sharing Your Work
  • Sharing Your Creation
  • Working with Rails Layouts
  • Zurb Foundation on Rails
  • Remember Me
  • Licensing
  • Interrogating the App
  • Fair Use and Public Domain
  • Improving Usability
  • Mobile Usability
  • Website Usability
  • Getting Work Done
  • A Lifestyle Choice
  • Growing Your Business
  • Shaking Things Up
  • Soft Skills - Psychology
  • The WordPress Codex
  • What is Usability?
  • Moving Forward with UX
  • Client Services
  • Password Resets and Testing
  • Adding User Support to Our Application
  • Setup a Bootstrap Theme
  • Tools UXers Use
  • How UXers Think
  • What Do User Experience Designers Do?
  • Moving Beyond the Blog
  • Finding Business
  • Better SEO Through Tools
  • Better SEO Through Code
  • Going Mobile
  • Designing Email with CSS
  • Coding HTML Email
  • HTML Email Basics
  • Creating a Long Term Business
  • Protecting Yourself With Contracts
  • Business Plan Basics
  • Establishing a Proper Workflow
  • Creating a Simple Drawing Application
  • Creating a Password Confirmation Form
  • Creating a Mobile Drop Down Menu
  • Creating a Simple Lightbox
  • Creating a Spoiler Revealer
  • Password Hashing and Sign-In
  • AR Extensions
  • Callbacks
  • Query Interface
  • Getting Started with Compass
  • Getting Started with Copyright
  • Better SEO Through Content
  • Creating Content
  • Introduction to SEO
  • What is User Experience (UX)?
  • Introduction to jQuery
  • Writing Online
  • Productivity
  • Validation
  • Migrations and Relationships
  • Introduction to ActiveRecord
  • Pointers and Memory
  • Functional Programming in C
  • Fundamentals of C
  • Push Updates
  • Activity Feeds
  • Introduction to Blogging
  • Becoming a Problem Solver
  • Design Foundations Final
  • Understanding Aesthetics
  • Grid Layout
  • Flexbox Layout
  • Positioning Schemes
  • Float Layout
  • Display Modes
  • Sales and Pitching
  • Marketing and Promotion
  • Create an Image Gallery
  • Business Plan for Freelance Business
  • Pricing and Project Proposals
  • Finding Your First Project
  • Uploading and Resizing Images
  • Uploading Files
  • WordPress Admin Settings
  • Cocoapods
  • Metrics
  • Sales
  • Pricing
  • Financing Your Company
  • From Idea to Execution
  • Video Marketing
  • Email Marketing
  • Search Engine Optimization
  • Usability Testing
  • Usability Basics
  • Pretty Little Things
  • Learning the Language
  • Getting Started with Android
  • Managing Friendships
  • Using AJAX
  • Social Media
  • Customizing BuddyPress
  • Social Interactions in BuddyPress
  • Manage BuddyPress Member Profiles
  • Getting Started with BuddyPress
  • Adding State
  • PHP Inheritance & Interfaces
  • PHP Properties & Methods
  • PHP Objects and Classes
  • The Logo Sprint
  • Logo Design 101
  • Building the Friendship UI
  • Creating Friendships
  • Ruby Testing
  • Standard Library
  • Type Tools
  • Masks Basics
  • Workspace Basics
  • Ruby Core
  • Ruby Modules
  • Ruby Procs & Lambdas
  • Ruby Blocks
  • Layer Basics
  • Advanced Sass Concepts
  • Speeding up Workflow With Sass
  • Variables, Mixins, and Extending Selectors
  • Ruby Loops
  • Workflows
  • Working With Remote Repositories
  • Merging
  • Branches
  • Ruby Methods
  • 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
  • What's New in Foundation 5
  • Build a Website With Foundation
  • Presentation Skills
  • Debugging HTML and CSS Problems
  • Sharing a Website
  • Responsive Web Design and Testing
  • Adding Pages to a Website
  • WordPress.com Social Features
  • Building a WordPress.com Site
  • Getting Started with WordPress.com
  • Styling Web Pages and Navigation
  • Customizing Colors and Fonts
  • CSS: Cascading Style Sheets
  • Creating HTML Content
  • HTML First
  • Beginning HTML and CSS
  • 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
  • Prototyping With Foundation
  • Launching a WordPress Site
  • WordPress and Forms
  • Extending WordPress Template Functionality
  • Making Money
  • Marketing Strategy
  • Introduction to Accounting
  • How WordPress Plugins Work
  • Advanced Techniques
  • Responsive Design
  • Adaptive Design
  • Build a Website With Bootstrap
  • Prototyping With Bootstrap
  • Starting a Freelance Career
  • Installing Programs
  • Environment and Redirection
  • Color Theory
  • Principles
  • Console Processes
  • Console Users and Permission
  • Customizing Google Maps
  • Google Maps Integration
  • jQuery Plugins
  • Form Validation and Manipulation
  • JavaScript Objects
  • JavaScript Functions
  • JavaScript Arrays
  • JavaScript Numbers
  • JavaScript Strings
  • Media Queries
  • CSS Animations
  • Transitions and Transforms
  • Flexbox and Multi-Column Layout
  • Gradients
  • Web Typography
  • Backgrounds and Borders
  • Getting Started With Rails
  • Fluid Foundation
  • Getting Started With Git
  • Elements
  • Introduction to jQuery
  • Introduction to Front-End Frameworks
  • Build a Todo List Application with Rails 4
  • Web Apps
  • Websites
  • Introduction
  • Installing a Ruby Development Environment
  • CSS Box Model
  • Ruby Hashes
  • Marketing Basics
  • Forming Your Company
  • Corporate Structure
  • Why Start a Business?
  • WordPress Plugin Best Practices
  • Widgets and Custom Menus
  • Local WordPress Development
  • Text, Fonts, and Lists
  • Limiting Results in Queries
  • Using Relationship Tables
  • 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
  • Working with a Developer
  • Designing our App
  • Wireframing, Interaction Design and Planning
  • ADS Writing and Preparation
  • Introduction to UI Design
  • Cleaning URLs with Subfolders
  • Integrating Validation Errors
  • Custom Post Types and Fields
  • Customizing WordPress Themes
  • WordPress Themes
  • Installing Wordpress
  • Introduction to Design
  • Values and Units
  • Converting Static HTML into WordPress Templates
  • Preparing to Code WordPress Templates
  • WordPress Theme Functions
  • WordPress Theme Templates
  • Getting Started with Sass
  • Content Strategy with WordPress
  • 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
  • Ruby Arrays
  • Advanced Selectors
  • Ruby Numbers
  • Chrome DevTools Basics
  • Ruby Strings
  • Getting Started with PHP
  • Objects, Classes, and Variables
  • 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
  • Why Version Control Matters
  • DNS Basics
  • Moving Around in the Console
  • Introduction Variables
  • Introduction to Data, Databases and SQL
  • Graphic Basics
  • Forms
  • Ruby Basics
  • Managing Comments
  • Customizing WordPress
  • Adding and Editing Content in WordPress
  • Functions
  • Objects and Arrays
  • Introduction to Responsive Web Design
  • Configuring WordPress
  • Control Structures
  • Getting Started with WordPress
  • Basics
  • Owning a WordPress Site Long Term
  • WordPress Community Management
  • Working with Media in WordPress
  • Adding and Editing Content
  • Getting a WordPress Site
  • Tables
  • Launching the Website
  • Objects
  • Styling Content
  • Creating a Website Structure
  • Website Basics
  • Links
  • Text Editors and HTML
  • Lists
  • Text
  • Website Basics
  • Introduction
  • Selectors
  • Getting Started with CSS
  • Professional Development
  • Applying & Interviewing
  • The Job Search
  • Networking
  • Personal Branding
  • Setting Your Course
  • Careers in the Tech Industry
  • Self-Assessment
  • Important Skills For Professional Success
  • Newbie