Simon Leslie

Simon Leslie

London, London, United Kingdom

Former lawyer. Considering the many opportunities that life sends my way and that I create.

23,690

Total Points

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Skills & Experience

  • Spoken Languages

    • English
    • French
  • Looking for work

    Yes

275 Achievements

  • Go Further With Mongo
  • Working With Collections
  • Understanding MongoDB
  • Getting Started with MongoDB
  • Python For Beginners
  • MASH JavaScript
  • MASH CSS
  • MASH HTML
  • Treehouse Club - JavaScript
  • Finding the Data You Want
  • Treehouse Club - CSS
  • Getting Data from a Database
  • Data, Databases and SQL
  • The Internet
  • Improving your Gulp Workflow
  • Compile Sass with Gulp
  • Gulp your JavaScript workflow!
  • Hosting with GitHub Pages
  • Building and Customizing the Blog
  • Getting Started with Jekyll
  • Installing a Ruby Development Environment
  • Ruby Methods
  • Ruby Numbers (Ruby Basics)
  • Ruby Strings (Ruby Basics)
  • How Ruby Works
  • WordPress Plugins
  • WordPress Themes
  • The WordPress Customizer
  • Managing Media in WordPress
  • Managing Content in WordPress
  • Building Custom Filters
  • Building Custom Tags
  • Template Tags and Filters
  • Test Time!
  • Final Details
  • Django Templates
  • The Lambda Lambada
  • Functional Workhorses
  • Functional Rules
  • Model Administration
  • What a View
  • Say Hello to Django
  • Improving Usability
  • Mobile Usability
  • Website Usability
  • What is Usability?
  • Building a Command Line Application
  • Introduction to Node.js
  • Welcome to Gulp.js
  • What is the MailChimp API
  • Video Marketing
  • Email Marketing
  • Search Engine Optimization
  • Usability Testing
  • Usability Basics
  • Social Media
  • Next Steps
  • Financing Our Company
  • Selling Your Product
  • Marketing Your Product
  • Product Market Fit
  • Discovery
  • Art Direction with the Picture Element
  • Image Delivery with Srcset and Sizes
  • DNS Basics
  • Graphic Basics
  • Final Project: Create a Typographic Site
  • Laying Out Type for the Web
  • Basic Web Typography
  • How to Choose and Use Webfonts
  • Introduction to Typography
  • WWW
  • Covering Your Bases
  • Be Assertive!
  • What Is Testing?
  • Combine and Minify Assets
  • Optimize Assets
  • Measuring Performance
  • Web Apps
  • Websites
  • Introduction
  • AJAX and APIs
  • jQuery and AJAX
  • Chrome DevTools Basics
  • Planning for Performance
  • Programming AJAX
  • AJAX Concepts
  • Creating Reports
  • Charts and Tables
  • Exporting
  • Cleaning Data
  • Describing Data
  • Getting Started with Data Science
  • Custom Media Players
  • Captioning Video
  • Media Basics
  • Traversing and Manipulating the DOM with JavaScript
  • Selecting Elements and Adding Events with JavaScript
  • JavaScript and the DOM
  • 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 Arrays
  • JavaScript Loops
  • JavaScript Functions
  • JavaScript Conditional Statements
  • JavaScript Numbers
  • JavaScript Variables
  • Introducing JavaScript
  • Tacocat Challenge
  • How to Win Friends
  • Broadcasting
  • Takin' Names
  • Making Strong Users
  • Responsive Patterns
  • Media Queries
  • Responsive Theory
  • Computer Languages
  • Computer Basics
  • What's New in Foundation 5
  • Build a Website With Foundation
  • Prototyping With Foundation
  • Build a Website With Bootstrap
  • Prototyping With Bootstrap
  • Gettin' CRUD-y With It
  • Our Diary App
  • Welcome to the Treehouse Club
  • Meet Peewee
  • Advanced Selectors
  • Going Further with Attribute Selectors and Pseudo-Classes
  • Selectors - Beyond the Basics
  • Introduction to Front-End Frameworks
  • Fundamental Concepts
  • Designing with the Latest Features
  • Basic Layout
  • The Box Model
  • Understanding Values and Units
  • Basic Selectors
  • Getting Started with CSS
  • Python Regular Expressions
  • Creating an SVG
  • Introduction to SVG
  • Forms
  • Tables
  • Objects
  • Links
  • Lists
  • Text
  • Introduction
  • Character Builder
  • Website Basics
  • Flask Templates
  • Welcome to Flask
  • Timezones
  • Math Quiz App
  • Dates and Times
  • Buggy Logs
  • Cleaner Code
  • Local Python
  • Hack-n-Slash
  • Python Inheritance
  • Python Objects
  • Dungeon Game
  • Tuples
  • Advanced Sass Concepts
  • Speeding up Workflow With Sass
  • Variables, Mixins, and Extending Selectors
  • Getting Started with Sass
  • Moving Forward with UX
  • Tools UXers Use
  • How UXers Think
  • What Do User Experience Designers Do?
  • What is User Experience (UX)?
  • 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
  • Dictionaries
  • Slices
  • Lists Redux
  • Creating an Icon
  • Pick a Number! Any Number!
  • Putting the "Fun" Back in "Functions"
  • Shopping List
  • Things That Count
  • Ins & Outs
  • Say Hello to Python
  • Introduction to Illustrator
  • Workflow Basics
  • Slices & Save for Web
  • Vector Shapes
  • Type Tools
  • Masks Basics
  • Layer Basics
  • Workflows
  • Working With Remote Repositories
  • Merging
  • Branches
  • Workspace Basics
  • Design Foundations Final
  • Becoming a Problem Solver
  • Understanding Aesthetics
  • Introduction to Design
  • Installing Programs
  • Environment and Redirection
  • Console Processes
  • Console Users and Permission
  • Grid Layout
  • Flexbox Layout
  • Positioning Schemes
  • Float Layout
  • Display Modes
  • Media Queries
  • CSS Animations
  • Transitions and Transforms
  • Moving Around in the Console
  • Getting Started With Git
  • Flexbox and Multi-Column Layout
  • Gradients
  • Color Theory
  • Principles
  • Why Version Control Matters
  • Web Typography
  • Backgrounds and Borders
  • Elements
  • The Logo Sprint
  • Logo Design 101
  • Finalizing the Project
  • Case Studies and Examples
  • The Brand Identity Design Process
  • Introduction to Brand Identity
  • CSS Box Model
  • Text, Fonts, and Lists
  • Values and Units
  • Advanced Selectors
  • Selectors
  • Getting Started with CSS
  • Choosing Options
  • Organizing Forms
  • Form Basics
  • Structuring Tables
  • Table Basics
  • Debugging HTML and CSS Problems
  • Sharing a Website
  • Responsive Web Design and Testing
  • Adding Pages to a Website
  • Styling Web Pages and Navigation
  • 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
  • Customizing Colors and Fonts
  • CSS: Cascading Style Sheets
  • Creating HTML Content
  • WordPress Admin Settings
  • WordPress User Roles
  • Owning a WordPress Site Long Term
  • WordPress Community Management
  • Working with Media in WordPress
  • Adding and Editing Content
  • The WordPress Codex
  • Getting a WordPress Site
  • Getting Started with WordPress
  • HTML First
  • Beginning HTML and CSS
  • Newbie