Roger Helliwell

Roger Helliwell

Member Since March 8, 2021

6,697

Total Points

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Skills & Experience

  • Company

    Kalkomey

  • Job Title

    Senior Software Developer

  • Spoken Languages

    • English

76 Achievements

  • Achievement

    Loops and Final Touches

    C# Objects

    Achieved

    Apr 15, 2022

    Loops and Final Touches
  • Achievement

    Encapsulation with Properties

    C# Objects

    Achieved

    Dec 22, 2021

    Encapsulation with Properties
  • Achievement

    Encapsulation and Arrays

    C# Objects

    Achieved

    Dec 22, 2021

    Encapsulation and Arrays
  • Achievement

    Inheritance

    C# Objects

    Achieved

    Dec 22, 2021

    Inheritance
  • Achievement

    Methods

    C# Objects

    Achieved

    Dec 22, 2021

    Methods
  • Achievement

    Object-Oriented Programming

    C# Objects

    Achieved

    Dec 22, 2021

    Object-Oriented Programming
  • Achievement

    Going Further with Routing

    React Router 4 Basics

    Achieved

    Dec 20, 2021

    Going Further with Routing
  • Achievement

    Navigating, Nesting and Redirecting Routes

    React Router 4 Basics

    Achieved

    Dec 20, 2021

    Navigating, Nesting and Redirecting Routes
  • Achievement

    Getting Started with React Router

    React Router 4 Basics

    Achieved

    Dec 20, 2021

    Getting Started with React Router
  • Achievement

    If Statements

    C# Basics

    Achieved

    Nov 29, 2021

    If Statements
  • Achievement

    Numbers

    C# Basics

    Achieved

    Nov 29, 2021

    Numbers
  • Achievement

    Strings

    C# Basics

    Achieved

    Nov 29, 2021

    Strings
  • Achievement

    Methods

    C# Basics

    Achieved

    Nov 29, 2021

    Methods
  • Achievement

    C# Syntax

    C# Basics

    Achieved

    Nov 29, 2021

    C# Syntax
  • Achievement

    React Component Patterns

    React Components (2018)

    Achieved

    Nov 25, 2021

    React Component Patterns
  • Achievement

    Stateful Components and Lifecycle Methods

    React Components (2018)

    Achieved

    Nov 25, 2021

    Stateful Components and Lifecycle Methods
  • Achievement

    Managing State and Data Flow

    React Components (2018)

    Achieved

    Nov 25, 2021

    Managing State and Data Flow
  • Achievement

    Build Modular Interfaces with Components

    React Components (2018)

    Achieved

    Nov 25, 2021

    Build Modular Interfaces with Components
  • Achievement

    Sinatra Finishing Touches

    Building Web Apps with Sinatra

    Achieved

    Nov 25, 2021

    Sinatra Finishing Touches
  • Achievement

    Updating Data in Sinatra

    Building Web Apps with Sinatra

    Achieved

    Nov 25, 2021

    Updating Data in Sinatra
  • Achievement

    Adding New Data in Sinatra

    Building Web Apps with Sinatra

    Achieved

    Nov 25, 2021

    Adding New Data in Sinatra
  • Achievement

    Sinatra ERB Templates

    Building Web Apps with Sinatra

    Achieved

    Nov 25, 2021

    Sinatra ERB Templates
  • Achievement

    Creating New Sinatra Apps

    Building Web Apps with Sinatra

    Achieved

    Nov 24, 2021

    Creating New Sinatra Apps
  • Achievement

    Stateful Components

    React Basics (2018)

    Achieved

    Nov 23, 2021

    Stateful Components
  • Achievement

    Introducing Props

    React Basics (2018)

    Achieved

    Nov 23, 2021

    Introducing Props
  • Achievement

    Thinking in Components

    React Basics (2018)

    Achieved

    Nov 23, 2021

    Thinking in Components
  • Achievement

    First Steps in React

    React Basics (2018)

    Achieved

    Nov 23, 2021

    First Steps in React
  • Achievement

    Making Decisions in Your Code with Conditional Statements

    JavaScript Basics

    Achieved

    Apr 13, 2021

    Making Decisions in Your Code with Conditional Statements
  • Achievement

    Working With Strings

    JavaScript Basics

    Achieved

    Apr 13, 2021

    Working With Strings
  • Achievement

    Storing and Tracking Information with Variables

    JavaScript Basics

    Achieved

    Apr 13, 2021

    Storing and Tracking Information with Variables
  • Achievement

    Hello, JavaScript!

    JavaScript Basics

    Achieved

    Apr 13, 2021

    Hello, JavaScript!
  • Achievement

    Arrow Functions

    JavaScript Functions

    Achieved

    Apr 9, 2021

    Arrow Functions
  • Achievement

    Pass Information Into Functions

    JavaScript Functions

    Achieved

    Apr 9, 2021

    Pass Information Into Functions
  • Achievement

    Create Reusable Code with Functions

    JavaScript Functions

    Achieved

    Apr 9, 2021

    Create Reusable Code with Functions
  • Achievement

    More Association Options

    Active Record Associations in Rails

    Achieved

    Apr 8, 2021

    More Association Options
  • Achievement

    Using Associations in Your App

    Active Record Associations in Rails

    Achieved

    Apr 8, 2021

    Using Associations in Your App
  • Achievement

    Active Record Associations

    Active Record Associations in Rails

    Achieved

    Apr 7, 2021

    Active Record Associations
  • Achievement

    Gems In Depth

    Ruby Gems

    Achieved

    Apr 6, 2021

    Gems In Depth
  • Achievement

    Ruby Gems

    Ruby Gems

    Achieved

    Apr 1, 2021

    Ruby Gems
  • Achievement

    Going Further with HTML

    HTML Basics

    Achieved

    Apr 1, 2021

    Going Further with HTML
  • Achievement

    Images, Text and Links

    HTML Basics

    Achieved

    Apr 1, 2021

    Images, Text and Links
  • Achievement

    A Route to a Delete Action

    Rails Routes and Resources

    Achieved

    Mar 31, 2021

    A Route to a Delete Action
  • Achievement

    Routes to Update Actions

    Rails Routes and Resources

    Achieved

    Mar 31, 2021

    Routes to Update Actions
  • Achievement

    Routes for Create Actions

    Rails Routes and Resources

    Achieved

    Mar 31, 2021

    Routes for Create Actions
  • Achievement

    A Route to a Read Action

    Rails Routes and Resources

    Achieved

    Mar 31, 2021

    A Route to a Read Action
  • Achievement

    Rails Resource Index

    Rails Routes and Resources

    Achieved

    Mar 31, 2021

    Rails Resource Index
  • Achievement

    Adding a Model Attribute

    Ruby on Rails 5 Basics

    Achieved

    Mar 31, 2021

    Adding a Model Attribute
  • Achievement

    Using the Rails Console

    Ruby on Rails 5 Basics

    Achieved

    Mar 31, 2021

    Using the Rails Console
  • Achievement

    Handling Rails Requests

    Ruby on Rails 5 Basics

    Achieved

    Mar 31, 2021

    Handling Rails Requests
  • Achievement

    Creating Rails Apps

    Ruby on Rails 5 Basics

    Achieved

    Mar 31, 2021

    Creating Rails Apps
  • Achievement

    Structuring Your Content

    HTML Basics

    Achieved

    Mar 31, 2021

    Structuring Your Content
  • Achievement

    Getting Started With HTML

    HTML Basics

    Achieved

    Mar 31, 2021

    Getting Started With HTML
  • Achievement

    HTML: The Structural Foundation of Web Pages and Applications

    Introduction to HTML and CSS (2016)

    Achieved

    Mar 31, 2021

    HTML: The Structural Foundation of Web Pages and Applications
  • Achievement

    Adding a New Web Page

    Introduction to HTML and CSS (2016)

    Achieved

    Mar 31, 2021

    Adding a New Web Page
  • Achievement

    Make It Beautiful with CSS

    Introduction to HTML and CSS (2016)

    Achieved

    Mar 31, 2021

    Make It Beautiful with CSS
  • Achievement

    Getting Familiar with HTML and CSS

    Introduction to HTML and CSS (2016)

    Achieved

    Mar 31, 2021

    Getting Familiar with HTML and CSS
  • Achievement

    The Math Object

    JavaScript Numbers

    Achieved

    Mar 31, 2021

    The Math Object
  • Achievement

    Working with Numbers

    JavaScript Numbers

    Achieved

    Mar 31, 2021

    Working with Numbers
  • Achievement

    Blocks Practice

    Ruby Blocks

    Achieved

    Mar 29, 2021

    Blocks Practice
  • Achievement

    Working With Blocks

    Ruby Blocks

    Achieved

    Mar 29, 2021

    Working With Blocks
  • Achievement

    Ruby Blocks

    Ruby Blocks

    Achieved

    Mar 29, 2021

    Ruby Blocks
  • Achievement

    Build a Bank Account Class

    Ruby Objects and Classes

    Achieved

    Mar 29, 2021

    Build a Bank Account Class
  • Achievement

    Ruby Variables and Methods

    Ruby Objects and Classes

    Achieved

    Mar 29, 2021

    Ruby Variables and Methods
  • Achievement

    Ruby Objects and Classes

    Ruby Objects and Classes

    Achieved

    Mar 29, 2021

    Ruby Objects and Classes
  • Achievement

    Build a Simple Contact List

    Ruby Loops

    Achieved

    Mar 27, 2021

    Build a Simple Contact List
  • Achievement

    Ruby Iteration

    Ruby Loops

    Achieved

    Mar 27, 2021

    Ruby Iteration
  • Achievement

    Ruby Loops

    Ruby Loops

    Achieved

    Mar 27, 2021

    Ruby Loops
  • Achievement

    Build a Grocery List Program

    Ruby Collections

    Achieved

    Mar 27, 2021

    Build a Grocery List Program
  • Achievement

    Ruby Hashes

    Ruby Collections

    Achieved

    Mar 26, 2021

    Ruby Hashes
  • Achievement

    Ruby Arrays

    Ruby Collections

    Achieved

    Mar 26, 2021

    Ruby Arrays
  • Achievement

    Ruby Conditionals

    Ruby Basics

    Achieved

    Mar 26, 2021

    Ruby Conditionals
  • Achievement

    Ruby Numeric Types

    Ruby Basics

    Achieved

    Mar 26, 2021

    Ruby Numeric Types
  • Achievement

    Ruby Objects

    Ruby Basics

    Achieved

    Mar 26, 2021

    Ruby Objects
  • Achievement

    Ruby Strings and Escape Sequences

    Ruby Basics

    Achieved

    Mar 26, 2021

    Ruby Strings and Escape Sequences
  • Achievement

    Ruby Syntax

    Ruby Basics

    Achieved

    Mar 26, 2021

    Ruby Syntax
  • Achievement

    Newbie

    Achieved

    Mar 8, 2021

    Newbie