Jeffrey Collazo

Jeffrey Collazo

Member Since November 26, 2017

34,479

Total Points

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Skills & Experience

  • Company

    Progress Rail (Full Time)

  • Job Title

    Technical Writer

433 Achievements

  • Layout Patterns
  • Navigation Patterns
  • Designing With Patterns
  • “Clean” or “Dirty” Data
  • Practicing Data Visualization
  • Line and Area Charts, Scatter Plots, and Maps
  • Bar Charts, Histograms, and Pie Charts
  • Data Visualization Fundamentals
  • Technical Interviewing
  • Welcome to Basic Math for Data Analysis
  • Welcome to Basic Statistics for Data Analysis
  • Finishing Touches
  • Styling Images
  • Styling Boxes
  • Styling Text
  • CSS Media Queries
  • CSS Layout Techniques
  • Box Model Concepts
  • The CSS Box Model
  • Fundamental Concepts
  • Understanding Values and Units
  • Basic Selectors
  • Getting Started with CSS
  • Preparing Design Files for Developers
  • Designing with Developers
  • How to Have 1:1's
  • Vulnerabilities: Configuration, Components, and Logging
  • Vulnerabilities: Authentication, Access, and Sensitive Data
  • Vulnerabilities:  Injection, XSS, CSRF
  • The OWASP Top 10 Explained
  • Maintaining Secure Web Apps
  • Protecting Data and Keeping Attackers Out
  • Why Protect Your Web Apps
  • Build an Accessible Form
  • Introduction To Accessibility
  • Security: Solutions
  • Security: Concerns
  • Security in Practice
  • Common Attacks and Defenses
  • Hello Internet!
  • Moving Beyond the Blog
  • Finding Business
  • Creating Content
  • Introduction to Blogging
  • Going Beyond & Best Practices
  • Introduction to User Onboarding
  • Bringing It All Together
  • The Cash Flow Statement
  • The Balance Sheet
  • The Profit & Loss Statement
  • Introducing Financial Statements
  • Give and Receive Feedback
  • Multidimensional Arrays
  • Loop Through Arrays
  • Store Multiple Values in an Array
  • Working with 'for' Loops
  • Simplify Repetitive Tasks with Loops
  • Loop Through Objects
  • Object Basics
  • Imposter Syndrome
  • Making sense of it all
  •  Learning activity: Interviewing
  • Learning activity: Field Observation
  • Learning activity: Experience Sampling
  • Finding participants for your learning activity
  • Solving an Important Problem
  • Interaction Design in Practice
  • Theories and Psychology
  • Material Design Components
  • Working With Material Design
  • Designing for iOS
  • Working With Human Interface Guidelines
  • Interactivity in Adobe XD
  • Prototyping Designs in Adobe XD
  • Introducing Adobe XD
  • Art Direction with the Picture Element
  • Image Delivery with Srcset and Sizes
  • Voice and Tone
  • User Interface Library
  • Visual Design Language
  • Understanding Design Systems
  • Video Marketing
  • Email Marketing
  • Search Engine Optimization
  • Usability Testing
  • Usability Basics
  • Social Media
  • Exploring Async/Await
  • Understanding Promises
  • Asynchronous JavaScript with Callbacks
  • What is Asynchronous Programming?
  • Programming AJAX
  • AJAX Concepts
  • Arrow Functions
  • Pass Information Into Functions
  • Create Reusable Code with Functions
  • The Math Object
  • Working with Numbers
  • Making Decisions in Your Code with Conditional Statements
  • Working With Strings
  • Storing and Tracking Information with Variables
  • Hello, JavaScript!
  • Finalizing the Project
  • Case Studies and Examples
  • The Brand Identity Design Process
  • Introduction to Brand Identity
  • Analysis
  • Interviewing
  • Recruiting Participants
  • Going Further with Type
  • Laying Out Type
  • Web Typography
  • How to Choose and Use Fonts
  • Introduction to Typography
  • Python: Instant Objects
  • Iterating and Packing with Dictionaries
  • Introducing Dictionaries
  • Sequence Operations
  • Sequence Iterations
  • Packing and Unpacking
  • Getting Info In and Out of Functions
  • Introduction to Functions
  • Getting to Know Tuples
  • Build an Application
  • Using Lists
  • Meet Lists
  • All Together Now
  • Functions and Looping
  • Types and Branching
  • Meet Python
  • Creating Home Page Assets
  • Applying Effects
  • How to Draw in Illustrator
  •  Adding Color and Type
  • Creating an Icon
  • Introduction to Illustrator
  • Practicing Data Visualization in Excel
  • Chart Formatting and Layout
  • When To Use What Type of Chart
  • Introduction To Data Visualization
  • Big Data at Netflix
  • Where and How Big Data Is Used
  • What is Big Data
  • Protecting and Sharing Your Work
  • Licensing
  • Fair Use and Public Domain
  • Getting Started with Copyright
  • Rehearsal and Delivery
  • Creating and Refining
  • Preparing to Present
  • DNS Basics
  • Graphic Basics
  • The Data Analysis Process
  • Getting to Know Your Data
  • Introducing Data Analysis
  • Professional Development
  • Applying & Interviewing
  • The Job Search
  • Networking
  • Personal Branding
  • Setting Your Course
  • Careers in the Tech Industry
  • Self-Assessment
  • Hierarchy and Layout
  • Writing Copy
  • GET and POST Requests in a Browser
  • Introduction to HTTP
  • Better SEO Through Tools
  • Better SEO Through Code
  • Better SEO Through Content
  • Introduction to SEO
  • JavaScript Frameworks, Libraries, and Developer Roles
  • JavaScript Outside of the Browser
  • Principles of Design
  • Elements of Design
  • Prototyping with a Design System
  • Material Design Basics
  • Understanding Design Systems
  • Applying IA
  • Evaluating IA
  • Main Principles
  • What is Information Architecture?
  • Planning Your Users’ Journey
  • Strategy: Determining Goals for your Product
  • Understanding Our Users
  • Intro to User Experience (UX) Design
  • Implementing UX Content
  • Creating UX Content
  • UX Content Attributes
  • Callbacks and the DOM
  • Callbacks with Timers
  • Introduction to Callback Functions
  • Improving the Application Code
  • Editing and Filtering Names
  • Adding and Removing Names
  • Create Function Using Arrow Syntax
  • Defining Variables With let and const
  • The Role of Selectors in JavaScript
  • Pseudo-classes and Combinators
  • Selector Basics
  • Create a Banner Ad
  • Hello, Photoshop!
  • Digital Media Basics
  • Team Collaboration in Figma
  • Prototyping Designs in Figma
  • Introducing Figma
  • Save for the Web
  • Adding Images and a Mockup
  • Logo Design
  • Creating a Wireframe
  • Introducing Adobe Illustrator
  • 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
  • UX Content Basics
  • WordPress User Roles
  • The Design Solution
  • The Design Problem
  • Design Foundations Final
  • Becoming a Problem Solver
  • Understanding Aesthetics
  • Introduction to Design
  • How to Critique Design
  • MASH JavaScript
  • MASH CSS
  • MASH HTML
  • Treehouse Club - CSS
  • WWW
  • The Internet
  • Computer Basics
  • Computer Languages
  • Putting It All Together
  • Embracing the Process
  • Curating the Work
  • Portfolio Goals
  • Demystifying the Portfolio
  • Build a Spreadsheet
  • Spreadsheet Best Practices
  • Spreadsheet Functions & Formulas
  • Getting Started With Spreadsheets
  • Introducing Spreadsheets
  • Quantitative Methods
  • Usability Studies
  • Qualitative Studies
  • Measuring Your Designs
  • Welcome to the Treehouse Club
  • Next Steps
  • Financing Our Company
  • Selling Your Product
  • Marketing Your Product
  • Product Market Fit
  • Discovery
  • Persuasive Patterns
  • UI Patterns
  • Designing with Patterns
  • Improving Usability
  • Mobile Usability
  • Website Usability
  • What is Usability?
  • 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
  • The Logo Sprint
  • Logo Design 101
  • Business Plan for Freelance Business
  • Business Plan Basics
  • How to Make Wireframes in Adobe XD
  • How to Make Wireframes in Sketch
  • How to Make Wireframes in Balsamiq
  • How to Make Wireframes on Paper
  • What is Wireframing?
  • Soft Skills - Psychology
  • Writing Online
  • Productivity
  • Presentation Skills
  • Important Skills For Professional Success
  • Website Basics
  • Going Mobile
  • Designing Email with CSS
  • Coding HTML Email
  • HTML Email Basics
  • 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
  • What is the MailChimp API
  • JavaScript Objects and Conditionals
  • Using Template Literals
  • Practice forEach
  • JavaScript Arrays and Loops
  • JavaScript Functions
  • Data Types and Variables
  • JavaScript Tools and Workflows
  • JavaScript is Everywhere
  • Going Further with Grid Layout
  • Flexible Sized Grids
  • Introducing Grid Layout
  • Add Reusable Logic to Your Sass
  • Write Smart and Efficient CSS with Sass
  • Improve Your Workflow with Sass
  • Understanding Markdown
  • Getting Started with Sass
  • Keyframe and Line Drawing Animations
  • Transitions and Transforms
  • Creating an SVG
  • Introduction to SVG
  • Adding 3D Effects with CSS
  • Getting Started with CSS Transforms
  • Transition Timing Functions and Delays
  • Getting Started with CSS Transitions
  • Design Patterns
  • Page Layout
  • Final Project: Create a Typographic Site
  • Laying Out Type for the Web
  • Basic Web Typography
  • How to Choose and Use Webfonts
  • Introduction to Typography
  • Exploration
  • Discovery
  • Chrome DevTools Basics
  • Testing for Accessibility
  • Mobile Accessibility
  • Accessible UI Patterns
  • Semantic HTML and WAI-ARIA
  • WCAG 2.0 (and Other Standards)
  • Access for Everybody
  • Getters and Setters
  • Working with Classes in JavaScript
  • Object Basics
  • Introduction to Object-Oriented JavaScript
  • GitHub and Other Remote Repositories
  • Managing Committed Files
  • First Commits
  • Workflows
  • Working With Remote Repositories
  • Merging
  • Branches
  • Getting Started With Git
  • Why Version Control Matters
  • AJAX and APIs
  • Design Principles
  • jQuery and AJAX
  • Programming AJAX
  • AJAX Concepts
  • Captioning Video
  • Media Basics
  • Structuring Tables
  • Table Basics
  • Combine and Minify Assets
  • Optimize Assets
  • Measuring Performance
  • Planning for Performance
  • Building Forms With Bootstrap
  • Using Bootstrap Components
  • What is Product Design?
  • Responsive Layouts With the Bootstrap Grid
  • Getting to Know Bootstrap 4
  • Working with jQuery Collections (2017)
  • Understanding jQuery Events and DOM Traversal (2017)
  • Introducing jQuery (2017)
  • Advanced Selectors
  • Going Further with Attribute Selectors and Pseudo-Classes
  • Selectors - Beyond the Basics
  • Traversing the DOM
  • Responding to User Interaction
  • Making Changes to the DOM
  • Getting a Handle on the DOM
  • The Browser Environment
  • JavaScript Objects
  • JavaScript Arrays
  • JavaScript Loops
  • How WordPress Templates Work
  • WordPress Plugins
  • WordPress Themes
  • The WordPress Customizer
  • Managing Media in WordPress
  • Managing Content in WordPress
  • Moving Forward with UX
  • Tools UXers Use
  • Installing WordPress Locally
  • What Is WordPress?
  • How UXers Think
  • What Do User Experience Designers Do?
  • What is User Experience (UX)?
  • Treehouse Club - JavaScript
  • Finishing the Game
  • Introducing JavaScript
  • Choosing Options
  • Organizing Forms
  • Form Basics
  • Building a Layout with Flexbox
  • Flexbox Properties
  • Understanding Flexbox
  • Responsive Patterns
  • Media Queries
  • Responsive Theory
  • Positioning Page Content
  • CSS Layout Project
  • Page Layout with the Float Property
  • Controlling Layout with CSS Display Modes
  • Getting Started with CSS Layout
  • JavaScript Functions
  • JavaScript Conditional Statements
  • JavaScript Numbers
  • JavaScript Variables
  • Introducing JavaScript
  • Fundamental Concepts
  • Designing with the Latest Features
  • Basic Layout
  • The Box Model
  • Understanding Values and Units
  • Basic Selectors
  • Getting Started with CSS
  • Going Further with HTML
  • Images, Text and Links
  • Structuring Your Content
  • Getting Started With HTML
  • Adding a New Web Page
  • Make It Beautiful with CSS
  • HTML: The Structural Foundation of Web Pages and Applications
  • Getting Familiar with HTML and CSS
  • Newbie