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Martijn Bakker

Hoofddorp

Open to Work

16,445

Total Points

•
3,906

JavaScript

3903 pts
Achievements

3 pts
Forum
•
2,363

Python

2363 pts
Achievements

0 pts
Forum
•
1,793

Android

1793 pts
Achievements

0 pts
Forum
•
1,614

PHP

1614 pts
Achievements

0 pts
Forum
•
1,068

CSS

1068 pts
Achievements

0 pts
Forum
•
854

HTML

854 pts
Achievements

0 pts
Forum
•
783

Development Tools

783 pts
Achievements

0 pts
Forum
•
551

Ruby

551 pts
Achievements

0 pts
Forum
•
364

Java

364 pts
Achievements

0 pts
Forum
•
140

Databases

140 pts
Achievements

0 pts
Forum
•
17

Business

17 pts
Achievements

0 pts
Forum
•
9

Design

9 pts
Achievements

0 pts
Forum

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Skills & Experience

Company

Zapion
Job Title

Owner and Founder
Spoken Languages
- Dutch
- English
- Deutsch

220 Achievements

Achievement
Introducing Unit Testing

JavaScript Unit Testing

Achieved
Apr 26, 2016
Achievement
More TODO with the MEAN Stack

Building a MEAN Application

Achieved
Mar 13, 2016
Achievement
Creating and Editing Data in a MEAN App

Building a MEAN Application

Achieved
Mar 13, 2016
Achievement
Setting Up MongoDB

Building a MEAN Application

Achieved
Mar 13, 2016
Achievement
Going MEAN with Angular

Building a MEAN Application

Achieved
Mar 11, 2016
Achievement
Going MEAN with Express

Building a MEAN Application

Achieved
Mar 11, 2016
Achievement
Introduction to MEAN

Building a MEAN Application

Achieved
Mar 11, 2016
Achievement
Flask Templates

Flask Basics

Achieved
Feb 13, 2016
Achievement
Welcome to Flask

Flask Basics

Achieved
Feb 12, 2016
Achievement
What Is Testing?

Python Testing

Achieved
Feb 12, 2016
Achievement
Buggy Logs

Write Better Python

Achieved
Feb 11, 2016
Achievement
Cleaner Code

Write Better Python

Achieved
Feb 11, 2016
Achievement
Hack-n-Slash

Object-Oriented Python (retired)

Achieved
Feb 11, 2016
Achievement
Python Inheritance

Object-Oriented Python (retired)

Achieved
Feb 11, 2016
Achievement
Python Objects

Object-Oriented Python (retired)

Achieved
Feb 11, 2016
Achievement
Dungeon Game

Python Collections (Retired)

Achieved
Feb 11, 2016
Achievement
Tuples

Python Collections (Retired)

Achieved
Feb 11, 2016
Achievement
Dictionaries

Python Collections (Retired)

Achieved
Feb 11, 2016
Achievement
Slices

Python Collections (Retired)

Achieved
Feb 11, 2016
Achievement
Local Python

Setting Up a Local Python Environment

Achieved
Feb 11, 2016
Achievement
Lists Redux

Python Collections (Retired)

Achieved
Feb 10, 2016
Achievement
Letter Game App

Python Basics (2015)

Achieved
Feb 10, 2016
Achievement
Number Game App

Python Basics (2015)

Achieved
Feb 8, 2016
Achievement
Shopping List App

Python Basics (2015)

Achieved
Feb 8, 2016
Achievement
Logic in Python

Python Basics (2015)

Achieved
Feb 8, 2016
Achievement
Python Data Types

Python Basics (2015)

Achieved
Feb 8, 2016
Achievement
Python For Beginners

Python Basics (2015)

Achieved
Feb 7, 2016
Achievement
Working With Collections

Mongo Basics

Achieved
Feb 4, 2016
Achievement
Understanding MongoDB

Mongo Basics

Achieved
Feb 4, 2016
Achievement
Getting Started with MongoDB

Mongo Basics

Achieved
Feb 4, 2016
Achievement
Improving Our Todo App

AngularJS Basics (1.x)

Achieved
Feb 2, 2016
Achievement
Services in Angular

AngularJS Basics (1.x)

Achieved
Feb 2, 2016
Achievement
Using Angular's Built-in Directives

AngularJS Basics (1.x)

Achieved
Feb 2, 2016
Achievement
Controllers and Scope

AngularJS Basics (1.x)

Achieved
Feb 1, 2016
Achievement
Getting Started with Angular

AngularJS Basics (1.x)

Achieved
Feb 1, 2016
Achievement
Add Bootstrap Components to WordPress Theme

From Bootstrap to WordPress

Achieved
Dec 15, 2015
Achievement
Create Bootstrap Styled Theme Templates

From Bootstrap to WordPress

Achieved
Dec 15, 2015
Achievement
SEO Plugins for WordPress

SEO for WordPress

Achieved
Dec 15, 2015
Achievement
Enhancing the SEO of a WordPress Theme

SEO for WordPress

Achieved
Dec 15, 2015
Achievement
Content Comes First

SEO for WordPress

Achieved
Dec 15, 2015
Achievement
The Production Server

Modern WordPress Workflow

Achieved
Dec 13, 2015
Achievement
The Staging Server

Modern WordPress Workflow

Achieved
Dec 13, 2015
Achievement
The Local Development Environment

Modern WordPress Workflow

Achieved
Dec 12, 2015
Achievement
Hooking Into WordPress Plugins

WordPress Hooks - Actions and Filters

Achieved
Dec 11, 2015
Achievement
Action Functions in WordPress

WordPress Hooks - Actions and Filters

Achieved
Dec 11, 2015
Achievement
Filter Functions in WordPress

WordPress Hooks - Actions and Filters

Achieved
Dec 11, 2015
Achievement
Setup a Bootstrap Theme

From Bootstrap to WordPress

Achieved
Dec 10, 2015
Achievement
An Overview of Hooks in WordPress

WordPress Hooks - Actions and Filters

Achieved
Dec 10, 2015
Achievement
Customizing the User Experience in WordPress

Managing Users in WordPress

Achieved
Dec 10, 2015
Achievement
Default User Roles in WordPress

Managing Users in WordPress

Achieved
Dec 10, 2015
Achievement
An Overview of User Roles and Fields

Managing Users in WordPress

Achieved
Dec 10, 2015
Achievement
Custom Dashboard Widgets

Customizing the WordPress Admin Area

Achieved
Dec 10, 2015
Achievement
Controlling Admin Navigation

Customizing the WordPress Admin Area

Achieved
Dec 10, 2015
Achievement
Customizing the Login Screen

Customizing the WordPress Admin Area

Achieved
Dec 9, 2015
Achievement
Admin Color Schemes

Customizing the WordPress Admin Area

Achieved
Dec 9, 2015
Achievement
A Template Hierarchy Review

The WordPress Template Hierarchy

Achieved
Dec 9, 2015
Achievement
Media Templates in WordPress

The WordPress Template Hierarchy

Achieved
Dec 9, 2015
Achievement
Custom Post Type Templates

The WordPress Template Hierarchy

Achieved
Dec 9, 2015
Achievement
Archive Templates in WordPress

The WordPress Template Hierarchy

Achieved
Dec 9, 2015
Achievement
Page and Post Templates in WordPress

The WordPress Template Hierarchy

Achieved
Dec 9, 2015
Achievement
Homepage Templates in WordPress

The WordPress Template Hierarchy

Achieved
Dec 9, 2015
Achievement
Core WordPress Theme Files

The WordPress Template Hierarchy

Achieved
Dec 9, 2015
Achievement
How WordPress Templates Work

The WordPress Template Hierarchy

Achieved
Dec 9, 2015
Achievement
Finishing Your WordPress Theme

WordPress Theme Development

Achieved
Dec 9, 2015
Achievement
Custom Homepage Templates in WordPress

WordPress Theme Development

Achieved
Dec 9, 2015
Achievement
Adding a Blog to a WordPress Theme

WordPress Theme Development

Achieved
Dec 9, 2015
Achievement
Custom Post Type Templates

WordPress Theme Development

Achieved
Dec 8, 2015
Achievement
Building Out WordPress Navigation

WordPress Theme Development

Achieved
Dec 8, 2015
Achievement
Building Page Templates in WordPress

WordPress Theme Development

Achieved
Dec 8, 2015
Achievement
The WordPress Loop

WordPress Theme Development

Achieved
Dec 8, 2015
Achievement
WordPress Header and Footer Templates

WordPress Theme Development

Achieved
Dec 8, 2015
Achievement
Working with CSS and JS in WordPress Themes

WordPress Theme Development

Achieved
Dec 8, 2015
Achievement
Starting a WordPress Theme

WordPress Theme Development

Achieved
Dec 8, 2015
Achievement
More Advanced PHP for WordPress

PHP for WordPress

Achieved
Dec 8, 2015
Achievement
PHP Basics for WordPress

PHP for WordPress

Achieved
Dec 8, 2015
Achievement
Introduction to PHP for WordPress

PHP for WordPress

Achieved
Dec 8, 2015
Achievement
Local WordPress Development

Local WordPress Development

Achieved
Dec 8, 2015
Achievement
WordPress Plugin Best Practices

How to Make a Website with WordPress

Achieved
Dec 8, 2015
Achievement
Widgets and Custom Menus

How to Make a Website with WordPress

Achieved
Dec 8, 2015
Achievement
Custom Post Types and Fields

How to Make a Website with WordPress

Achieved
Dec 8, 2015
Achievement
Customizing WordPress Themes

How to Make a Website with WordPress

Achieved
Dec 8, 2015
Achievement
WordPress Themes

How to Make a Website with WordPress

Achieved
Dec 8, 2015
Achievement
Installing Wordpress

How to Make a Website with WordPress

Achieved
Dec 8, 2015
Achievement
Contact Forms & Mailers

Building Websites with PHP

Achieved
Nov 27, 2015
Achievement
Slim and Templates

Building Websites with PHP

Achieved
Nov 27, 2015
Achievement
Dependency Management

Building Websites with PHP

Achieved
Nov 25, 2015
Achievement
Error Handling

PHP Standards and Best Practices

Achieved
Nov 25, 2015
Achievement
Creating Distributable OOP Packages

PHP Standards and Best Practices

Achieved
Nov 25, 2015
Achievement
Autoloading and Composer

PHP Standards and Best Practices

Achieved
Nov 25, 2015
Achievement
Databases and International Concerns

PHP Standards and Best Practices

Achieved
Nov 25, 2015
Achievement
Starting Right with PHP Best Practices

PHP Standards and Best Practices

Achieved
Nov 25, 2015
Achievement
Updating the Data Model

Android Lists and Adapters (2015)

Achieved
Oct 15, 2015
Achievement
Hooking up the Model to the View

Build a Weather App (2015)

Achieved
Sep 18, 2015
Achievement
Building the Weather UI

Build a Weather App (2015)

Achieved
Sep 15, 2015
Achievement
Introduction to Methods

Object-Oriented JavaScript (2015)

Achieved
Sep 15, 2015
Achievement
Working with JSON

Build a Weather App (2015)

Achieved
Sep 14, 2015
Achievement
Concurrency and Error Handling

Build a Weather App (2015)

Achieved
Sep 14, 2015
Achievement
Networking

Build a Weather App (2015)

Achieved
Sep 14, 2015
Achievement
Exploring an API

Build a Weather App (2015)

Achieved
Sep 14, 2015
Achievement
Using Git for Android

Android Tools

Achieved
Sep 13, 2015
Achievement
Getting Started with Genymotion

Android Tools

Achieved
Sep 13, 2015
Achievement
Getting Started with Android Studio

Android Tools

Achieved
Sep 13, 2015
Achievement
Finishing the User Interface

Build an Interactive Story App (Retired)

Achieved
Sep 13, 2015
Achievement
The Model-View-Controller Pattern

Build an Interactive Story App (Retired)

Achieved
Sep 13, 2015
Achievement
Intents and Multiple Activities

Build an Interactive Story App (Retired)

Achieved
Sep 12, 2015
Achievement
User Input

Build an Interactive Story App (Retired)

Achieved
Sep 12, 2015
Achievement
Debugging, Best Practices, and Production

CSS to Sass

Achieved
Sep 11, 2015
Achievement
Refactoring with Sass

CSS to Sass

Achieved
Sep 11, 2015
Achievement
Installing Sass and Setting up the Project

CSS to Sass

Achieved
Sep 11, 2015
Achievement
Publishing on Google Play

Publish an Android App

Achieved
Sep 11, 2015
Achievement
Testing and Debugging

Build a Simple Android App (2014)

Achieved
Sep 11, 2015
Achievement
Improving Our Code

Build a Simple Android App (2014)

Achieved
Sep 11, 2015
Achievement
Coding the Fun Facts

Build a Simple Android App (2014)

Achieved
Sep 11, 2015
Achievement
Basic Android Programming

Build a Simple Android App (2014)

Achieved
Sep 11, 2015
Achievement
Tools for Testers

PHP Testing

Achieved
Sep 9, 2015
Achievement
How To Test Our Code

PHP Testing

Achieved
Sep 9, 2015
Achievement
Advanced Sass Concepts

Sass Basics (retired)

Achieved
Sep 9, 2015
Achievement
Speeding up Workflow With Sass

Sass Basics (retired)

Achieved
Sep 8, 2015
Achievement
Variables, Mixins, and Extending Selectors

Sass Basics (retired)

Achieved
Sep 8, 2015
Achievement
Getting Started with Sass

Sass Basics (retired)

Achieved
Sep 8, 2015
Achievement
Creating the Initial Screen Layout

Build a Simple Android App (2014)

Achieved
Sep 4, 2015
Achievement
The Box Model

CSS Basics (2014)

Achieved
Sep 2, 2015
Achievement
Getting Started with Android

Build a Simple Android App (2014)

Achieved
Sep 1, 2015
Achievement
Meet Objects

Java Objects (Retired)

Achieved
Aug 27, 2015
Achievement
Perfecting the Prototype

Java Basics

Achieved
Aug 26, 2015
Achievement
Using your New Tools

Java Basics

Achieved
Aug 25, 2015
Achievement
Getting Started with Java

Java Basics

Achieved
Aug 25, 2015
Achievement
PHP Inheritance & Interfaces

Object-Oriented PHP Basics (Retired)

Achieved
Aug 16, 2015
Achievement
PHP Objects and Classes

Object-Oriented PHP Basics (Retired)

Achieved
Aug 14, 2015
Achievement
HTTP Methods and Headers

Build a Simple Dynamic Site with Node.js

Achieved
May 19, 2015
Achievement
Creating a Basic Template Engine in Node.js

Build a Simple Dynamic Site with Node.js

Achieved
May 19, 2015
Achievement
Handling Routes in Node.js

Build a Simple Dynamic Site with Node.js

Achieved
May 18, 2015
Achievement
Graphic Basics

Technology Foundations

Achieved
May 18, 2015
Achievement
JavaScript Loops

JavaScript Loops, Arrays and Objects

Achieved
May 16, 2015
Achievement
AJAX and APIs

AJAX Basics (retiring)

Achieved
May 15, 2015
Achievement
jQuery and AJAX

AJAX Basics (retiring)

Achieved
May 15, 2015
Achievement
Programming AJAX

AJAX Basics (retiring)

Achieved
May 15, 2015
Achievement
AJAX Concepts

AJAX Basics (retiring)

Achieved
May 15, 2015
Achievement
Creating a Simple Server in Node.js

Build a Simple Dynamic Site with Node.js

Achieved
May 15, 2015
Achievement
Building a Command Line Application

Node.js Basics (2014)

Achieved
May 15, 2015
Achievement
Traversing and Manipulating the DOM with JavaScript

Interactive Web Pages with JavaScript

Achieved
May 14, 2015
Achievement
Selecting Elements and Adding Events with JavaScript

Interactive Web Pages with JavaScript

Achieved
May 14, 2015
Achievement
JavaScript and the DOM

Interactive Web Pages with JavaScript

Achieved
May 14, 2015
Achievement
Introduction to Node.js

Node.js Basics (2014)

Achieved
May 14, 2015
Achievement
AngularJS MVC Frameworks

AngularJS

Achieved
Apr 4, 2015
Achievement
Adding a Contact Form

Build a Simple PHP Application

Achieved
Apr 3, 2015
Achievement
Creating the Menu and Footer

Build a Simple PHP Application

Achieved
Apr 3, 2015
Achievement
Getting Started with PHP

Build a Simple PHP Application

Achieved
Apr 2, 2015
Achievement
PHP Internal Functions

PHP Functions

Achieved
Apr 1, 2015
Achievement
PHP Returns & Closures

PHP Functions

Achieved
Apr 1, 2015
Achievement
PHP Functions Basics

PHP Functions

Achieved
Apr 1, 2015
Achievement
PHP Loops

PHP Basics (Retired)

Achieved
Apr 1, 2015
Achievement
PHP Conditionals

PHP Basics (Retired)

Achieved
Apr 1, 2015
Achievement
PHP Datatypes

PHP Basics (Retired)

Achieved
Apr 1, 2015
Achievement
PHP Data & Structure

PHP Basics (Retired)

Achieved
Apr 1, 2015
Achievement
PHP Getting Started

PHP Basics (Retired)

Achieved
Apr 1, 2015
Achievement
Forms

HTML

Achieved
Apr 1, 2015
Achievement
Tables

HTML

Achieved
Apr 1, 2015
Achievement
Objects

HTML

Achieved
Apr 1, 2015
Achievement
Links

HTML

Achieved
Apr 1, 2015
Achievement
Lists

HTML

Achieved
Apr 1, 2015
Achievement
WordPress Community Management

WordPress for Website Owners

Achieved
Mar 30, 2015
Achievement
Working with Media in WordPress

WordPress for Website Owners

Achieved
Mar 29, 2015
Achievement
Adding and Editing Content

WordPress for Website Owners

Achieved
Mar 29, 2015
Achievement
Getting a WordPress Site

WordPress for Website Owners

Achieved
Mar 29, 2015
Achievement
Getting Started with WordPress

Getting Started with WordPress

Achieved
Mar 29, 2015
Achievement
Understanding Values and Units

CSS Basics (2014)

Achieved
Mar 27, 2015
Achievement
Basic Selectors

CSS Basics (2014)

Achieved
Mar 27, 2015
Achievement
Getting Started with CSS

CSS Basics (2014)

Achieved
Mar 17, 2015
Achievement
Installing a Ruby Development Environment

Installing a Ruby Development Environment

Achieved
Mar 2, 2015
Achievement
JavaScript Functions

JavaScript Basics (Retired)

Achieved
Mar 2, 2015
Achievement
JavaScript Conditional Statements

JavaScript Basics (Retired)

Achieved
Mar 2, 2015
Achievement
Text

HTML

Achieved
Mar 1, 2015
Achievement
Introduction

HTML

Achieved
Mar 1, 2015
Achievement
JavaScript Numbers

JavaScript Basics (Retired)

Achieved
Mar 1, 2015
Achievement
JavaScript Variables

JavaScript Basics (Retired)

Achieved
Mar 1, 2015
Achievement
Introducing JavaScript

JavaScript Basics (Retired)

Achieved
Mar 1, 2015
Achievement
Workflows

Git Basics

Achieved
Feb 19, 2015
Achievement
Working With Remote Repositories

Git Basics

Achieved
Feb 19, 2015
Achievement
Merging

Git Basics

Achieved
Feb 18, 2015
Achievement
Branches

Git Basics

Achieved
Feb 18, 2015
Achievement
Getting Started With Git

Git Basics

Achieved
Feb 18, 2015
Achievement
Why Version Control Matters

Git Basics

Achieved
Feb 18, 2015
Achievement
Installing Programs

Console Foundations

Achieved
Feb 17, 2015
Achievement
Environment and Redirection

Console Foundations

Achieved
Feb 17, 2015
Achievement
Console Processes

Console Foundations

Achieved
Feb 17, 2015
Achievement
Console Users and Permission

Console Foundations

Achieved
Feb 17, 2015
Achievement
Moving Around in the Console

Console Foundations

Achieved
Feb 16, 2015
Achievement
JavaScript Objects

JavaScript Foundations

Achieved
Feb 16, 2015
Achievement
JavaScript Arrays

JavaScript Foundations

Achieved
Feb 16, 2015
Achievement
JavaScript Functions

JavaScript Foundations

Achieved
Feb 16, 2015
Achievement
JavaScript Numbers

JavaScript Foundations

Achieved
Feb 16, 2015
Achievement
JavaScript Strings

JavaScript Foundations

Achieved
Feb 16, 2015
Achievement
Introduction Variables

JavaScript Foundations

Achieved
Feb 16, 2015
Achievement
Ruby Methods

Ruby Basics (Retired)

Achieved
Feb 15, 2015
Achievement
Ruby Numbers (Ruby Basics)

Ruby Basics (Retired)

Achieved
Feb 15, 2015
Achievement
Ruby Strings (Ruby Basics)

Ruby Basics (Retired)

Achieved
Feb 15, 2015
Achievement
How Ruby Works

Ruby Basics (Retired)

Achieved
Feb 15, 2015
Achievement
Functions

Introduction to Programming

Achieved
Feb 15, 2015
Achievement
Objects and Arrays

Introduction to Programming

Achieved
Feb 15, 2015
Achievement
Control Structures

Introduction to Programming

Achieved
Feb 15, 2015
Achievement
Basics

Introduction to Programming

Achieved
Feb 15, 2015
Achievement
Debugging HTML and CSS Problems

How to Make a Website

Achieved
Feb 15, 2015
Achievement
Sharing a Website

How to Make a Website

Achieved
Feb 15, 2015
Achievement
Responsive Web Design and Testing

How to Make a Website

Achieved
Feb 15, 2015
Achievement
Adding Pages to a Website

How to Make a Website

Achieved
Feb 15, 2015
Achievement
Styling Web Pages and Navigation

How to Make a Website

Achieved
Feb 15, 2015
Achievement
Customizing Colors and Fonts

How to Make a Website

Achieved
Feb 15, 2015
Achievement
CSS: Cascading Style Sheets

How to Make a Website

Achieved
Feb 15, 2015
Achievement
Creating HTML Content

How to Make a Website

Achieved
Feb 15, 2015
Achievement
HTML First

How to Make a Website

Achieved
Feb 12, 2015
Achievement
Beginning HTML and CSS

How to Make a Website

Achieved
Feb 12, 2015
Achievement
Pick a Number! Any Number!

Python Basics (Retired)

Achieved
Feb 5, 2015
Achievement
Putting the "Fun" Back in "Functions"

Python Basics (Retired)

Achieved
Feb 5, 2015
Achievement
Shopping List

Python Basics (Retired)

Achieved
Feb 5, 2015
Achievement
PHP Properties & Methods

Object-Oriented PHP Basics (Retired)

Achieved
Feb 5, 2015
Achievement
Things That Count

Python Basics (Retired)

Achieved
Feb 4, 2015
Achievement
Ins & Outs

Python Basics (Retired)

Achieved
Feb 4, 2015
Achievement
Say Hello to Python

Python Basics (Retired)

Achieved
Feb 4, 2015
Achievement
Newbie

Achieved
Feb 3, 2015