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Joohun Lee

Courses Plus Student

San Jose, CA

Open to Work

14,569

Total Points

•
3,141

Python

3141 pts
Achievements

0 pts
Forum
•
3,040

JavaScript

3040 pts
Achievements

0 pts
Forum
•
1,842

Development Tools

1842 pts
Achievements

0 pts
Forum
•
1,613

HTML

1613 pts
Achievements

0 pts
Forum
•
1,205

CSS

1205 pts
Achievements

0 pts
Forum
•
1,167

Java

1167 pts
Achievements

0 pts
Forum
•
664

Databases

664 pts
Achievements

0 pts
Forum
•
616

Data Analysis

616 pts
Achievements

0 pts
Forum
•
462

Digital Literacy

462 pts
Achievements

0 pts
Forum
•
3

Business

3 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

Company

Cisco System
Job Title

Manufacturing Test Development Engineer
Spoken Languages
- Korean
- English

160 Achievements

Achievement
Working with Text

Reporting with SQL

Achieved
Mar 5, 2018
Achievement
Ordering, Limiting and Paging Results

Reporting with SQL

Achieved
Feb 28, 2018
Achievement
Finding the Data You Want

SQL Basics

Achieved
Feb 27, 2018
Achievement
Getting Data from a Database

SQL Basics

Achieved
Feb 27, 2018
Achievement
Data, Databases and SQL

SQL Basics

Achieved
Feb 26, 2018
Achievement
Handling Errors When Manipulating Data

Modifying Data with SQL

Achieved
Feb 26, 2018
Achievement
Deleting Data from a Database

Modifying Data with SQL

Achieved
Feb 26, 2018
Achievement
Updating Data in a Database

Modifying Data with SQL

Achieved
Feb 26, 2018
Achievement
Adding Data to a Database

Modifying Data with SQL

Achieved
Feb 26, 2018
Achievement
MASH JavaScript

Treehouse Club - MASH

Achieved
Feb 20, 2018
Achievement
MASH CSS

Treehouse Club - MASH

Achieved
Feb 20, 2018
Achievement
MASH HTML

Treehouse Club - MASH

Achieved
Feb 20, 2018
Achievement
Practicing Data Visualization in Excel

Data Visualization with Excel

Achieved
Feb 20, 2018
Achievement
Chart Formatting and Layout

Data Visualization with Excel

Achieved
Feb 20, 2018
Achievement
When To Use What Type of Chart

Data Visualization with Excel

Achieved
Feb 20, 2018
Achievement
Introduction To Data Visualization

Data Visualization with Excel

Achieved
Feb 20, 2018
Achievement
The Data Analysis Process

Data Analysis Basics

Achieved
Feb 20, 2018
Achievement
Getting to Know Your Data

Data Analysis Basics

Achieved
Feb 19, 2018
Achievement
Introducing Data Analysis

Data Analysis Basics

Achieved
Feb 19, 2018
Achievement
Build a Spreadsheet

Spreadsheet Basics

Achieved
Feb 19, 2018
Achievement
Spreadsheet Functions & Formulas

Spreadsheet Basics

Achieved
Feb 16, 2018
Achievement
Getting Started With Spreadsheets

Spreadsheet Basics

Achieved
Feb 16, 2018
Achievement
Treehouse Club - JavaScript

Treehouse Club: JavaScript

Achieved
Feb 16, 2018
Achievement
Treehouse Club - CSS

Treehouse Club: CSS

Achieved
Feb 16, 2018
Achievement
Welcome to the Treehouse Club

Treehouse Club: HTML

Achieved
Feb 15, 2018
Achievement
WWW

How the Web Works

Achieved
Feb 15, 2018
Achievement
The Internet

How the Internet Works

Achieved
Feb 15, 2018
Achievement
Computer Languages

Computer Basics

Achieved
Feb 15, 2018
Achievement
Computer Basics

Computer Basics

Achieved
Feb 15, 2018
Achievement
Spreadsheet Best Practices

Spreadsheet Basics

Achieved
Feb 14, 2018
Achievement
Introducing Spreadsheets

Spreadsheet Basics

Achieved
Feb 13, 2018
Achievement
How it Works

Local Development Environments

Achieved
Nov 20, 2017
Achievement
Efficiency!

Java Data Structures

Achieved
Oct 30, 2017
Achievement
Exploring the Java Collections Framework

Java Data Structures

Achieved
Aug 10, 2017
Achievement
Organizing Data

Java Data Structures

Achieved
Jul 31, 2017
Achievement
Getting There

Java Data Structures

Achieved
Jul 17, 2017
Achievement
Delivering the MVP

Java Objects

Achieved
May 13, 2017
Achievement
Creating the MVP

Java Objects

Achieved
May 8, 2017
Achievement
Harnessing the Power of Objects

Java Objects

Achieved
Apr 23, 2017
Achievement
Meet Objects

Java Objects

Achieved
Apr 21, 2017
Achievement
Perfecting the Prototype

Java Basics

Achieved
Apr 19, 2017
Achievement
Using your New Tools

Java Basics

Achieved
Apr 17, 2017
Achievement
Getting Started with Java

Java Basics

Achieved
Apr 16, 2017
Achievement
Combine and Minify Assets

Introduction to Front End Performance Optimization

Achieved
Apr 3, 2017
Achievement
Optimize Assets

Introduction to Front End Performance Optimization

Achieved
Feb 5, 2017
Achievement
Measuring Performance

Introduction to Front End Performance Optimization

Achieved
Feb 5, 2017
Achievement
Planning for Performance

Introduction to Front End Performance Optimization

Achieved
Jan 30, 2017
Achievement
Workflows

Git Basics

Achieved
Jan 30, 2017
Achievement
Working With Remote Repositories

Git Basics

Achieved
Jan 17, 2017
Achievement
Merging

Git Basics

Achieved
Jan 17, 2017
Achievement
Branches

Git Basics

Achieved
Jan 17, 2017
Achievement
Getting Started With Git

Git Basics

Achieved
Jan 9, 2017
Achievement
Why Version Control Matters

Git Basics

Achieved
Jan 8, 2017
Achievement
Installing Programs

Console Foundations

Achieved
Jan 8, 2017
Achievement
Environment and Redirection

Console Foundations

Achieved
Dec 24, 2016
Achievement
Console Processes

Console Foundations

Achieved
Dec 24, 2016
Achievement
Console Users and Permission

Console Foundations

Achieved
Dec 9, 2016
Achievement
Moving Around in the Console

Console Foundations

Achieved
Dec 8, 2016
Achievement
Chrome DevTools Basics

Website Optimization

Achieved
Nov 28, 2016
Achievement
Web Apps

Accessibility

Achieved
Nov 22, 2016
Achievement
Websites

Accessibility

Achieved
Nov 22, 2016
Achievement
Introduction

Accessibility

Achieved
Nov 13, 2016
Achievement
Quiz Practice Project

Object-Oriented JavaScript (2015)

Achieved
Oct 3, 2016
Achievement
Prototypal Inheritance

Object-Oriented JavaScript (2015)

Achieved
Oct 3, 2016
Achievement
Constructor Functions & Prototypes

Object-Oriented JavaScript (2015)

Achieved
Sep 26, 2016
Achievement
Introduction to Methods

Object-Oriented JavaScript (2015)

Achieved
Sep 11, 2016
Achievement
AJAX and APIs

AJAX Basics (retiring)

Achieved
Aug 28, 2016
Achievement
jQuery and AJAX

AJAX Basics (retiring)

Achieved
Aug 21, 2016
Achievement
Programming AJAX

AJAX Basics (retiring)

Achieved
Apr 25, 2016
Achievement
AJAX Concepts

AJAX Basics (retiring)

Achieved
Apr 24, 2016
Achievement
Responsive Patterns

Responsive Layouts

Achieved
Apr 17, 2016
Achievement
Media Queries

Responsive Layouts

Achieved
Apr 17, 2016
Achievement
Responsive Theory

Responsive Layouts

Achieved
Apr 17, 2016
Achievement
Custom Media Players

HTML Video and Audio (Retired)

Achieved
Apr 11, 2016
Achievement
Captioning Video

HTML Video and Audio (Retired)

Achieved
Apr 11, 2016
Achievement
Media Basics

HTML Video and Audio (Retired)

Achieved
Mar 28, 2016
Achievement
Traversing and Manipulating the DOM with JavaScript

Interactive Web Pages with JavaScript

Achieved
Mar 27, 2016
Achievement
Selecting Elements and Adding Events with JavaScript

Interactive Web Pages with JavaScript

Achieved
Mar 20, 2016
Achievement
JavaScript and the DOM

Interactive Web Pages with JavaScript

Achieved
Mar 20, 2016
Achievement
Structuring Tables

HTML Tables

Achieved
Mar 14, 2016
Achievement
Table Basics

HTML Tables

Achieved
Mar 13, 2016
Achievement
Creating a Simple Drawing Application

jQuery Basics (2014)

Achieved
Mar 4, 2016
Achievement
Creating a Password Confirmation Form

jQuery Basics (2014)

Achieved
Mar 2, 2016
Achievement
Creating a Mobile Drop Down Menu

jQuery Basics (2014)

Achieved
Feb 21, 2016
Achievement
Creating a Simple Lightbox

jQuery Basics (2014)

Achieved
Feb 15, 2016
Achievement
Creating a Spoiler Revealer

jQuery Basics (2014)

Achieved
Feb 1, 2016
Achievement
Introduction to jQuery

jQuery Basics (2014)

Achieved
Jan 24, 2016
Achievement
JavaScript Objects

JavaScript Loops, Arrays and Objects

Achieved
Jan 21, 2016
Achievement
JavaScript Arrays

JavaScript Loops, Arrays and Objects

Achieved
Jan 17, 2016
Achievement
JavaScript Loops

JavaScript Loops, Arrays and Objects

Achieved
Jan 10, 2016
Achievement
Fundamental Concepts

CSS Basics (2014)

Achieved
Jan 1, 2016
Achievement
Designing with the Latest Features

CSS Basics (2014)

Achieved
Jan 1, 2016
Achievement
Basic Layout

CSS Basics (2014)

Achieved
Dec 30, 2015
Achievement
The Box Model

CSS Basics (2014)

Achieved
Dec 29, 2015
Achievement
Understanding Values and Units

CSS Basics (2014)

Achieved
Dec 28, 2015
Achievement
Basic Selectors

CSS Basics (2014)

Achieved
Nov 28, 2015
Achievement
Getting Started with CSS

CSS Basics (2014)

Achieved
Nov 21, 2015
Achievement
JavaScript Functions

JavaScript Basics (Retired)

Achieved
Nov 19, 2015
Achievement
JavaScript Conditional Statements

JavaScript Basics (Retired)

Achieved
Nov 15, 2015
Achievement
JavaScript Numbers

JavaScript Basics (Retired)

Achieved
Nov 15, 2015
Achievement
JavaScript Variables

JavaScript Basics (Retired)

Achieved
Nov 9, 2015
Achievement
Introducing JavaScript

JavaScript Basics (Retired)

Achieved
Nov 1, 2015
Achievement
Securing and Maintaining a MySQL Database

Database Foundations

Achieved
Oct 25, 2015
Achievement
SQL Calculating, Aggregating and Other Functions

Database Foundations

Achieved
Oct 25, 2015
Achievement
Joining Relational Data Between Tables in SQL

Database Foundations

Achieved
Oct 25, 2015
Achievement
Character Builder

Flask Basics

Achieved
Oct 4, 2015
Achievement
Flask Templates

Flask Basics

Achieved
Oct 3, 2015
Achievement
Welcome to Flask

Flask Basics

Achieved
Sep 7, 2015
Achievement
Choosing Options

HTML Forms

Achieved
Aug 22, 2015
Achievement
Organizing Forms

HTML Forms

Achieved
Aug 16, 2015
Achievement
Form Basics

HTML Forms

Achieved
Aug 9, 2015
Achievement
Debugging HTML and CSS Problems

How to Make a Website

Achieved
Aug 3, 2015
Achievement
Sharing a Website

How to Make a Website

Achieved
Aug 3, 2015
Achievement
Responsive Web Design and Testing

How to Make a Website

Achieved
Aug 3, 2015
Achievement
Adding Pages to a Website

How to Make a Website

Achieved
Aug 3, 2015
Achievement
Styling Web Pages and Navigation

How to Make a Website

Achieved
Aug 2, 2015
Achievement
Customizing Colors and Fonts

How to Make a Website

Achieved
Aug 2, 2015
Achievement
CSS: Cascading Style Sheets

How to Make a Website

Achieved
Aug 1, 2015
Achievement
Creating HTML Content

How to Make a Website

Achieved
Aug 1, 2015
Achievement
HTML First

How to Make a Website

Achieved
Jul 16, 2015
Achievement
Beginning HTML and CSS

How to Make a Website

Achieved
Jul 16, 2015
Achievement
Creating Reports

Data Science Basics

Achieved
Jun 23, 2015
Achievement
Charts and Tables

Data Science Basics

Achieved
Jun 23, 2015
Achievement
Exporting

Data Science Basics

Achieved
Jun 21, 2015
Achievement
Cleaning Data

Data Science Basics

Achieved
Jun 21, 2015
Achievement
Describing Data

Data Science Basics

Achieved
Jun 16, 2015
Achievement
Getting Started with Data Science

Data Science Basics

Achieved
Jun 14, 2015
Achievement
Covering Your Bases

Python Testing

Achieved
Jun 14, 2015
Achievement
Be Assertive!

Python Testing

Achieved
Jun 14, 2015
Achievement
What Is Testing?

Python Testing

Achieved
Jun 14, 2015
Achievement
Gettin' CRUD-y With It

Using Databases in Python

Achieved
Jun 14, 2015
Achievement
Our Diary App

Using Databases in Python

Achieved
Jun 12, 2015
Achievement
Meet Peewee

Using Databases in Python

Achieved
Jun 12, 2015
Achievement
Python Regular Expressions

Regular Expressions in Python

Achieved
Jun 11, 2015
Achievement
Timezones

Dates and Times in Python (2014)

Achieved
Mar 19, 2015
Achievement
Math Quiz App

Dates and Times in Python (2014)

Achieved
Mar 17, 2015
Achievement
Dates and Times

Dates and Times in Python (2014)

Achieved
Mar 16, 2015
Achievement
Buggy Logs

Write Better Python

Achieved
Mar 9, 2015
Achievement
Cleaner Code

Write Better Python

Achieved
Mar 9, 2015
Achievement
Local Python

Setting Up a Local Python Environment

Achieved
Mar 9, 2015
Achievement
Manipulating Schema with SQL

Database Foundations

Achieved
Mar 2, 2015
Achievement
Hack-n-Slash

Object-Oriented Python (retired)

Achieved
Mar 2, 2015
Achievement
Python Inheritance

Object-Oriented Python (retired)

Achieved
Feb 23, 2015
Achievement
Python Objects

Object-Oriented Python (retired)

Achieved
Feb 23, 2015
Achievement
Creating Tables and Manipulating Data with SQL

Database Foundations

Achieved
Feb 23, 2015
Achievement
Reading Data from Databases with SQL

Database Foundations

Achieved
Feb 22, 2015
Achievement
Dungeon Game

Python Collections (Retired)

Achieved
Feb 22, 2015
Achievement
Tuples

Python Collections (Retired)

Achieved
Feb 22, 2015
Achievement
Dictionaries

Python Collections (Retired)

Achieved
Feb 19, 2015
Achievement
Slices

Python Collections (Retired)

Achieved
Feb 19, 2015
Achievement
Installing MySQL Server and MySQL Workbench

Database Foundations

Achieved
Feb 16, 2015
Achievement
Lists Redux

Python Collections (Retired)

Achieved
Feb 15, 2015
Achievement
Introduction to Data, Databases and SQL

Database Foundations

Achieved
Feb 15, 2015
Achievement
Pick a Number! Any Number!

Python Basics (Retired)

Achieved
Feb 15, 2015
Achievement
Putting the "Fun" Back in "Functions"

Python Basics (Retired)

Achieved
Feb 15, 2015
Achievement
Shopping List

Python Basics (Retired)

Achieved
Feb 15, 2015
Achievement
Things That Count

Python Basics (Retired)

Achieved
Feb 15, 2015
Achievement
Ins & Outs

Python Basics (Retired)

Achieved
Feb 15, 2015
Achievement
Say Hello to Python

Python Basics (Retired)

Achieved
Feb 14, 2015
Achievement
Newbie

Achieved
Feb 13, 2015