Kevin Lozandier

Kevin Lozandier

Pro Student

San Francisco, CA

I'm most familiar with Sass, CoffeeScript, Basic Node.js, Ruby on Rails, Go, & a variety of other languages. I'm a Treehouse Scholar and was a Student Moderator.

Skills & Experience

  • Company

    Google

  • Job Title

    UX Engineer

  • Spoken Languages

    • English
  • Awards

    • Daniels Fund Scholar
    • Hunt Family Award Scholar
    • Treehouse Scholarship Recipient
  • Publications

    • Net Magazine

627 Achievements

  • How to Critique Design
  • Telling the Story
  • Designing for your User’s "To-be"
  • Understanding your User’s “As-is” Scenario
  • Becoming Acquainted with Your User
  • Becoming a Design Thinker
  • Next Steps
  • Improving Our Tests
  • Behavior Driven Development with Mocha & Chai
  • Introducing Unit Testing
  • Introduction to HTTP
  • Handling Errors When Manipulating Data
  • Deleting Data from a Database
  • Updating Data in a Database
  • Adding Data to a Database
  • Error Handling in Swift 2.0
  • An Introduction to Swift Programming
  • The Internet
  • Transitions and Transforms
  • Creating Flexible Objects with Protocols
  • Protocols
  • Input and Output
  • Search
  • Ruby Class Design
  • Store Inventory Using Modules
  • Include and Extend
  • Ruby Core Modules
  • Ruby Module Basics
  • Creating Distributable OOP Packages
  • Autoloading and Composer
  • Improving your Gulp Workflow
  • Scrum Artifacts
  • Scrum Events
  • Introducing Scrum
  • What is Agile?
  • Compile Sass with Gulp
  • Gulp your JavaScript workflow!
  • Welcome to Gulp.js
  • Quiz Practice Project
  • Prototypal Inheritance
  • Constructor Functions & Prototypes
  • Introduction to Methods
  • Hosting with GitHub Pages
  • Building and Customizing the Blog
  • Getting Started with Jekyll
  • Closures in iOS
  • Closures and Closure Expressions
  • Efficiency!
  • Art Direction with the Picture Element
  • Image Delivery with Srcset and Sizes
  • Exploring the Java Collections Framework
  • Organizing Data
  • Getting There
  • WWW
  • HTTP Methods and Headers
  • Creating a Basic Template Engine in Node.js
  • Handling Routes in Node.js
  • Creating a Simple Server in Node.js
  • Describing Data
  • Gettin' CRUD-y With It
  • Our Diary App
  • Meet Peewee
  • Covering Your Bases
  • Be Assertive!
  • What Is Testing?
  • Getting Started with Data Science
  • Understanding Flexbox and Multi-Column Layout
  • Debugging, Best Practices, and Production
  • Refactoring with Sass
  • Installing Sass and Setting up the Project
  • Responsive Patterns
  • Media Queries
  • Responsive Theory
  • Interactive Visualizations
  • Styling and Scaling Data
  • Data Binding with D3
  • Selections with D3
  • API Authentication
  • Coding the API
  • Route Connections
  • Simple Mobile Interface
  • Exporting Designs
  • Sketch Features
  • Introducing Sketch
  • Introduction to REST
  • Combine and Minify Assets
  • Optimize Assets
  • Measuring Performance
  • Planning for Performance
  • Advanced Selectors
  • Going Further with Attribute Selectors and Pseudo-Classes
  • Displaying Our Weather Data
  • Data Modeling With Structures
  • Concurrency
  • Pulling Data From the Web
  • Refactoring Our Code (Swift)
  • Building the Master and Detail Views (Swift)
  • Building a Music Library and Playlists (Swift)
  • Using a Navigation Controller With Segues (Swift)
  • Working With Multiple View Controllers (Swift)
  • Deploying to a Device
  • Debugging Our App
  • Improving Our User Interface
  • Computer Languages
  • Computer Basics
  • Using a Data Model
  • Views and View Controllers
  • Next Steps
  • Financing Our Company
  • Selectors - Beyond the Basics
  • Blocks Practice
  • Working With Blocks
  • Ruby Blocks
  • Database Security
  • Queries & Results
  • Getting Started with PDO
  • Delivering the MVP
  • Creating the MVP
  • Harnessing the Power of Objects
  • Meet Objects
  • Build a Simple Todo List Program
  • Ruby Booleans
  • Swift Value vs Reference Types
  • Swift Properties
  • Swift Inheritance
  • Swift Classes and Objects
  • Making sense of it all
  •  Learning activity: Interviewing
  • Learning activity: Field Observation
  • Make Your Own AngularJS Widget
  • Build a Bank Account Class
  • Ruby Variables and Methods
  • Ruby Objects and Classes
  • Python Regular Expressions
  • Extending Inputs
  • Building a Command Line Application
  • Introduction to Node.js
  • AngularJS Directives
  • Services and Dependencies
  • Two-way Data Binding
  • AngularJS MVC Frameworks
  • Creating an SVG
  • Introduction to SVG
  • Exploring Ember
  • Ember Data
  • Models
  • Controllers
  • Routes and Templates
  • Getting Started with Ember.js
  • Flask Templates
  • Welcome to Flask
  • Databases and International Concerns
  • Starting Right with PHP Best Practices
  • Timezones
  • Math Quiz App
  • Hack-n-Slash
  • Dungeon Game
  • Dates and Times
  • PHP Internal Functions
  • PHP Returns & Closures
  • PHP Functions Basics
  • Build a Simple Contact List
  • Ruby Iteration
  • Ruby Loops
  • Swift Structs and their Methods
  • Swift Structs
  • Swift Enums and their Methods
  • Swift Enums
  • JavaScript Functions
  • JavaScript Conditional Statements
  • JavaScript Numbers
  • JavaScript Variables
  • Local Python
  • Custom Media Players
  • Captioning Video
  • Media Basics
  • Introducing JavaScript
  • Buggy Logs
  • Cleaner Code
  • Perfecting the Prototype
  • Using your New Tools
  • Getting Started with Java
  • Laying Out Type for the Web
  • Basic Web Typography
  • How to Choose and Use Webfonts
  • Introduction to Typography
  • Learning activity: Experience Sampling
  • Finding participants for your learning activity
  • Solving an Important Problem
  • Build a Grocery List Program
  • Ruby Hashes
  • Ruby Arrays
  • Python Inheritance
  • Python Objects
  • Modular Media Queries
  • Sass Grid System
  • SMACSS and Sass
  • Sass and BEM
  • Getting Modular with Mixins and Functions
  • Getting Started with Xcode
  • Swift Optionals
  • Swift Parameters and Tuples
  • Swift Functions
  • Control Flow
  • Collections
  • Operators
  • Types
  • Variables and Constants
  • Traversing and Manipulating the DOM with JavaScript
  • Selecting Elements and Adding Events with JavaScript
  • JavaScript and the DOM
  • Selling Your Product
  • Tuples
  • Dictionaries
  • Advanced Directives
  • Concepts on Advanced Functions
  • Marketing Your Product
  • Advanced Variables, Mixins, Functions, and Placeholders
  • Getting Started with Advanced Sass
  • Slices
  • Lists Redux
  • Ruby Logical Operators
  • Ruby Operators
  • Product Market Fit
  • Ruby Control Structures
  • Discovery
  • Styling Rails Models
  • PHP Loops
  • PHP Conditionals
  • PHP Datatypes
  • PHP Data & Structure
  • PHP Getting Started
  • Ruby on Rails Helpers
  • Rails Partials
  • Introduction to Game Design
  • Creating a Simple Drawing Application
  • Creating a Password Confirmation Form
  • Creating an App Tutorial
  • Blank Slates and Rails
  • Email with Rails
  • Modifying Todo Lists
  • Form Builders and Rails
  • Styling Rails Forms
  • Cleanup and Feature Merge
  • Maintaining The Test Suite
  • Polishing Rails Applications
  • Static Pages with Rails
  • Structuring Tables
  • Table Basics
  • Ruby Methods
  • Ruby Numbers (Ruby Basics)
  • Ruby Strings (Ruby Basics)
  • How Ruby Works
  • AR Extensions
  • Relating Models
  • Laravel CRUD
  • Validation & Flash Messages
  • Laravel Forms
  • Laravel & Databases
  • Laravel Controllers
  • Laravel Project Setup
  • Laravel Getting Started
  • Pick a Number! Any Number!
  • Putting the "Fun" Back in "Functions"
  • Shopping List
  • Things That Count
  • Ins & Outs
  • Say Hello to Python
  • Animate This (iOS7)
  • Callbacks
  • Choosing Options
  • Organizing Forms
  • Form Basics
  • Styling a Header
  • Sass and Rails
  • Testing and Sharing the Extension
  • Building the Extension
  • Finalizing the Project
  • Case Studies and Examples
  • The Brand Identity Design Process
  • Introduction to Brand Identity
  • AJAX and APIs
  • jQuery and AJAX
  • Programming AJAX
  • AJAX Concepts
  • Soft Skills - Psychology
  • Query Interface
  • Validation
  • Migrations and Relationships
  • Writing Online
  • Introduction to ActiveRecord
  • Creating a Mobile Drop Down Menu
  • Creating a Simple Lightbox
  • Creating a Spoiler Revealer
  • Introduction to jQuery
  • Better SEO Through Tools
  • Better SEO Through Code
  • Better SEO Through Content
  • Introduction to SEO
  • Business Plan for Freelance Business
  • Spriting with Compass
  • Compass Helper Functions
  • Compass Layout and Typography
  • Getting Started with Compass
  • PHP Inheritance & Interfaces
  • PHP Properties & Methods
  • PHP Objects and Classes
  • Productivity
  • Password Resets and Testing
  • Moving Forward with UX
  • Tools UXers Use
  • How UXers Think
  • What Do User Experience Designers Do?
  • What is User Experience (UX)?
  • Adding User Support to Our Application
  • Password Hashing and Sign-In
  • Cocoapods
  • Grid Layout
  • Flexbox Layout
  • Positioning Schemes
  • Float Layout
  • Display Modes
  • Presentation Skills
  • Using Git for Android
  • Getting Started with Genymotion
  • Getting Started with Android Studio
  • Working with a Developer
  • Designing our App
  • Wireframing, Interaction Design and Planning
  • ADS Writing and Preparation
  • Introduction to UI Design
  • Customizing Table View Controllers
  • Business Plan Basics
  • What's New in Foundation 5
  • Important Skills For Professional Success
  • Installing a Ruby Development Environment
  • Build a Todo List Application with Rails 4
  • Rebuilding from Scratch
  • Finishing the User Interface
  • Limiting Results in Queries
  • Beyond the Basics
  • Using Relationship Tables
  • Filtering Input for Queries
  • Querying the Database
  • Using Auto Layout and Managing the Keyboard
  • Implementing Custom Login and Sign Up Screens
  • Build a Website With Foundation
  • Prototyping With Foundation
  • Introduction to Front-End Frameworks
  • Advanced Sass Concepts
  • Speeding up Workflow With Sass
  • Variables, Mixins, and Extending Selectors
  • Getting Started with Sass
  • Advanced Objective-C
  • Foundation Framework
  • Introduction to Objective-C
  • Pointers and Memory
  • Functional Programming in C
  • Fundamentals of C
  • Chrome DevTools Basics
  • 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
  • Going Mobile
  • Designing Email with CSS
  • Coding HTML Email
  • HTML Email Basics
  • Listing Inventory Items
  • Adding a Contact Form
  • Creating the Menu and Footer
  • Getting Started with PHP
  • Metrics
  • Sales
  • Pricing
  • Financing Your Company
  • Exploring the Master-Detail Template
  • Share Your Creation
  • Sharing Your Creation
  • Connecting to MySQL
  • The Logo Sprint
  • Logo Design 101
  • Capturing Photo and Video Using UIImagePickerController
  • Retrieving and Viewing Data from Parse.com
  • Interrogating the App
  • Designing and Starting the App
  • Relating Users in Parse.com
  • Using Parse.com as a Backend and Adding Users
  • Shaking Things Up
  • Pretty Little Things
  • Learning the Language
  • Getting Started with Android
  • Location
  • API Access
  • Blocks and Categories
  • App Settings
  • Appearance
  • Notifications
  • iOS 5 Core Data
  • Web View
  • Improving Usability
  • Mobile Usability
  • Website Usability
  • What is Usability?
  • Viewing a Web Page
  • Adapting Data for Display
  • Testing and Debugging
  • Refactoring into a Model
  • Animate This
  • Designing your App
  • Creating a Data Collection
  • Understanding Views and View Controllers
  • Getting Started (iOS7)
  • Design Foundations Final
  • Becoming a Problem Solver
  • Understanding Aesthetics
  • Introduction to Design
  • Workflows
  • Working With Remote Repositories
  • Merging
  • Branches
  • Getting Started With Git
  • Why Version Control Matters
  • DNS Basics
  • Managing Friendships
  • Create an Image Gallery
  • Push Updates
  • Using AJAX
  • Activity Feeds
  • Storyboards
  • Securing and Maintaining a MySQL Database
  • Protecting and Sharing Your Work
  • Licensing
  • Fair Use and Public Domain
  • Getting Started with Copyright
  • Web Apps
  • Websites
  • Introduction
  • Exterminator
  • SQL Calculating, Aggregating and Other Functions
  • Installing Programs
  • Environment and Redirection
  • Console Processes
  • Moving Beyond the Blog
  • Finding Business
  • Creating Content
  • Introduction to Blogging
  • Workflow Basics
  • Slices & Save for Web
  • Vector Shapes
  • Type Tools
  • Creating Home Page Assets
  • Applying Effects
  • How to Draw in Illustrator
  •  Adding Color and Type
  • Creating an Icon
  • Professional Development
  • Applying & Interviewing
  • The Job Search
  • Networking
  • Personal Branding
  • Setting Your Course
  • Careers in the Tech Industry
  • Self-Assessment
  • Joining Relational Data Between Tables in SQL
  • WordPress and Forms
  • Advanced Selectors
  • Selectors
  • CSS Box Model
  • Text, Fonts, and Lists
  • Video Marketing
  • Search Engine Optimization
  • Usability Testing
  • Usability Basics
  • Backgrounds and Borders
  • Values and Units
  • Media Queries
  • CSS Animations
  • Console Users and Permission
  • Getting Work Done
  • A Lifestyle Choice
  • Growing Your Business
  • Client Services
  • Sales and Pitching
  • Marketing and Promotion
  • Manipulating Schema with SQL
  • Creating Tables and Manipulating Data with SQL
  • Reading Data from Databases with SQL
  • Adding State
  • Extending WordPress Template Functionality
  • Building the Friendship UI
  • Converting Static HTML into WordPress Templates
  • Preparing to Code WordPress Templates
  • WordPress Theme Functions
  • Creating Friendships
  • Rails Deployment
  • Customizing Google Maps
  • Building the Profile Page
  • Testing the Whole App
  • Rails Routing
  • Writing Tests
  • Customizing Ruby on Rails Forms
  • Transitions and Transforms
  • Google Maps Integration
  • jQuery Plugins
  • Uploading and Resizing Images
  • Uploading Files
  • Introduction to Illustrator
  • Data Modeling
  • Getting Data from the Web
  • WordPress Theme Templates
  • Installing MySQL Server and MySQL Workbench
  • Introduction to Data, Databases and SQL
  • Email Marketing
  • Social Media
  • From Idea to Execution
  • Making Money
  • Marketing Strategy
  • Introduction to Accounting
  • Marketing Basics
  • Forming Your Company
  • Ruby on Rails Authentication
  • Flexbox and Multi-Column Layout
  • Gradients
  • Web Typography
  • Rebuilding from Scratch
  • Exploring the Master-Detail Template
  • Defining the Project
  • Intro to User Experience
  • Shaking Things Up
  • Making It Pretty
  • Content Strategy with WordPress
  • Automatic Reference Counting
  • Forms
  • Tables
  • Objects
  • Links
  • Lists
  • Text
  • Launching the Website
  • Moving Around in the Console
  • Learning the Language
  • Getting Started with iPhone
  • Ruby Testing
  • Standard Library
  • Form Validation and Manipulation
  • Styling Content
  • Creating a Website Structure
  • Text Editors and HTML
  • Introduction to jQuery
  • Advanced Techniques
  • Getting Started with CSS
  • Masks Basics
  • Layer Basics
  • Responsive Design
  • Treehouse Scholarship
  • Adaptive Design
  • JavaScript Objects
  • JavaScript Functions
  • JavaScript Arrays
  • JavaScript Numbers
  • JavaScript Strings
  • Introduction
  • Fluid Foundation
  • Introduction to Responsive Web Design
  • Website Basics
  • Rails Frontend Development
  • Getting Started With Rails
  • Ruby Core
  • Ruby Modules
  • Ruby Procs & Lambdas
  • Ruby Blocks
  • Ruby Loops
  • Ruby Methods
  • Ruby Hashes
  • Ruby Arrays
  • Ruby Numbers
  • Why Start a Business?
  • Corporate Structure
  • Introduction Variables
  • Ruby Strings
  • Objects, Classes, and Variables
  • Ruby Basics
  • Workspace Basics
  • Graphic Basics
  • Functions
  • Introduction to Programming
  • Objects and Arrays
  • Control Structures
  • Basics
  • Text Code Challenge
  • CSS
  • Text
  • Introduction
  • Mastery Challenge
  • Framework Foundations
  • Data Types
  • Page Layout
  • Box Model
  • Basics
  • HTML5
  • Video
  • Selector Code Challenge
  • Selectors
  • Printing
  • Web Fonts
  • CSS3
  • Borders
  • Selectors
  • Mobile
  • Responsive Web Design
  • Fundamentals
  • Backgrounds
  • Media Queries
  • Multi-Column Layouts
  • Animation
  • Transforms
  • Transitions
  • Typography
  • Gradients
  • Color Theory
  • Aesthetic Foundations
  • Principles
  • Elements
  • Newbie