The table below looks at the statistics for TDD skills in IT jobs advertised for the Croydon region. Included is a guide to the salaries offered in IT jobs that have cited TDD over the 3 months to 25 August 2016 with a comparison to the same period over the previous 2 years.

3 months to
25 Aug 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 29 36 24
Rank change year-on-year
+7 -12
Permanent jobs citing TDD 13 2 22
As % of all permanent IT jobs located in Croydon 5.78% 1.20% 9.57%
As % of the Processes & Methodologies category 6.77% 1.44% 11.46%
Number of salaries quoted 11 2 22
Median salary £45,000 £48,750 £52,500
Median salary % change year-on-year
-7.69% -7.14%
90% offered a salary of more than £41,500 £43,750 £39,500
10% offered a salary of more than £52,500 £53,750 £67,500
UK excluding London median salary £45,000 £42,500 £40,000
% change year-on-year
+5.88% +6.25%
TDD
London

The following table is for comparison with the above and provides statistics for the entire Processes & Methodologies category in permanent jobs advertised in the Croydon region.

Processes & Methodologies Category
Croydon
Permanent IT job ads with a match in the
Processes & Methodologies category
192 139 192
As % of all permanent IT jobs located in Croydon 85.33% 83.23% 83.48%
Number of salaries quoted 171 126 162
Median salary £52,500 £47,500 £43,500
Median salary % change year-on-year
+10.52% +9.19%
90% offered a salary of more than £37,500 £30,000 £30,000
10% offered a salary of more than £80,000 £61,000 £60,000
UK excluding London median salary £45,000 £45,000 £42,500
% change year-on-year
- +5.88%

TDD
Jobs Demand Trend in Croydon

The demand trend of job ads across the Croydon region citing TDD as a proportion of all IT jobs with a match in the Processes & Methodologies category.

TDD Jobs Demand Trend in Croydon

TDD
Salary Trend in Croydon

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing TDD across the Croydon region.

TDD Salary Trend in Croydon

TDD
Salary Histogram in Croydon

This chart provides a salary histogram for IT jobs citing TDD across the Croydon region over the 3 months to 25 August 2016.

TDD Salary Histogram in Croydon

TDD
Top 30 Related IT Skills in Croydon

For the 6 months to 25 August 2016, IT jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Croydon region with a requirement for TDD.

1 12 (75.00%) HTML
1 12 (75.00%) CSS
1 12 (75.00%) Agile Software Development
2 10 (62.50%) BDD
3 8 (50.00%) Node.js
4 7 (43.75%) Java
4 7 (43.75%) JavaScript
5 6 (37.50%) MVC
5 6 (37.50%) Penetration Testing
5 6 (37.50%) Continuous Integration
5 6 (37.50%) Git (software)
5 6 (37.50%) Scala
5 6 (37.50%) User Stories
6 5 (31.25%) Mentoring
6 5 (31.25%) Coaching
6 5 (31.25%) Defect Management
6 5 (31.25%) WebDriver
6 5 (31.25%) Selenium
6 5 (31.25%) Performance Testing
6 5 (31.25%) Compatibility Testing
6 5 (31.25%) AngularJS
6 5 (31.25%) JIRA
7 4 (25.00%) Scrum
7 4 (25.00%) .NET
7 4 (25.00%) ASP.NET
7 4 (25.00%) Web Services
7 4 (25.00%) HTML5
8 3 (18.75%) ASP.NET Web API
8 3 (18.75%) Apache Camel
8 3 (18.75%) Front End Development

TDD
Top Related IT Skills in Croydon by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 3 (18.75%) CMS
2 2 (12.50%) Drupal
2 2 (12.50%) JBoss
2 2 (12.50%) Tomcat
3 1 (6.25%) Alfresco
3 1 (6.25%) Apache
3 1 (6.25%) Confluence
3 1 (6.25%) Liferay
Applications
1 1 (6.25%) MS Excel
Cloud Services
1 3 (18.75%) Microsoft Azure
2 1 (6.25%) Amazon AWS
2 1 (6.25%) Amazon EC2
Communications & Networking
1 1 (6.25%) DSL
1 1 (6.25%) HTTP
1 1 (6.25%) OpenLDAP
Database & Business Intelligence
1 3 (18.75%) PostgreSQL
1 3 (18.75%) SQL Server
2 1 (6.25%) Azure SQL Database
2 1 (6.25%) CouchDB
2 1 (6.25%) MongoDB
2 1 (6.25%) MySQL
2 1 (6.25%) Neo4j
2 1 (6.25%) NoSQL
2 1 (6.25%) QlikView
2 1 (6.25%) RDBMS
2 1 (6.25%) Relational Database
Development Applications
1 6 (37.50%) Git (software)
2 5 (31.25%) JIRA
2 5 (31.25%) Selenium
2 5 (31.25%) WebDriver
3 3 (18.75%) DbUnit
3 3 (18.75%) Jenkins
3 3 (18.75%) jMock
3 3 (18.75%) JUnit
3 3 (18.75%) Mockito
4 2 (12.50%) Grunt
4 2 (12.50%) gulp
4 2 (12.50%) Maven
4 2 (12.50%) NUnit
4 2 (12.50%) SonarQube
5 1 (6.25%) Ant
5 1 (6.25%) Cucumber
5 1 (6.25%) Gatling
5 1 (6.25%) Jasmine
5 1 (6.25%) MSBuild
5 1 (6.25%) Visual Studio
Job Titles
1 9 (56.25%) Developer
2 4 (25.00%) .NET Developer
2 4 (25.00%) Agile Test Analyst
2 4 (25.00%) Analyst
2 4 (25.00%) Digital Analyst
2 4 (25.00%) Selenium Test Analyst
2 4 (25.00%) Test Analyst
3 3 (18.75%) Java Developer
3 3 (18.75%) JavaScript Developer
4 2 (12.50%) C# .NET Developer
4 2 (12.50%) C# Developer
4 2 (12.50%) Digital Developer
4 2 (12.50%) Front End Developer (Client-Side Developer)
4 2 (12.50%) HTML CSS Developer
4 2 (12.50%) HTML Developer
4 2 (12.50%) Test Engineer
4 2 (12.50%) UX Developer
5 1 (6.25%) Agile Delivery Manager
5 1 (6.25%) Embedded Engineer
5 1 (6.25%) T-SQL Developer
Libraries, Frameworks & Software Standards
1 12 (75.00%) CSS
1 12 (75.00%) HTML
2 8 (50.00%) Node.js
3 5 (31.25%) AngularJS
4 4 (25.00%) .NET
4 4 (25.00%) ASP.NET
4 4 (25.00%) HTML5
4 4 (25.00%) Web Services
5 3 (18.75%) Apache Camel
5 3 (18.75%) ASP.NET MVC
5 3 (18.75%) ASP.NET Web API
5 3 (18.75%) Backbone.js
5 3 (18.75%) J2EE
5 3 (18.75%) jQuery
5 3 (18.75%) PowerMock
5 3 (18.75%) SOAP
5 3 (18.75%) Spring
5 3 (18.75%) Twitter Bootstrap
6 2 (12.50%) React
6 2 (12.50%) RESTful
Miscellaneous
1 2 (12.50%) User Experience
2 1 (6.25%) Fintech
2 1 (6.25%) Smartcard
Operating Systems
1 1 (6.25%) Linux
Processes & Methodologies
1 12 (75.00%) Agile Software Development
2 10 (62.50%) BDD
3 6 (37.50%) Continuous Integration
3 6 (37.50%) MVC
3 6 (37.50%) Penetration Testing
3 6 (37.50%) User Stories
4 5 (31.25%) Coaching
4 5 (31.25%) Compatibility Testing
4 5 (31.25%) Defect Management
4 5 (31.25%) Mentoring
4 5 (31.25%) Performance Testing
5 4 (25.00%) Scrum
6 3 (18.75%) Automated Testing
6 3 (18.75%) E-Commerce
6 3 (18.75%) Front End Development
6 3 (18.75%) OO
7 2 (12.50%) Case Management
7 2 (12.50%) Kanban
7 2 (12.50%) Migration
7 2 (12.50%) Wireframes
Programming Languages
1 7 (43.75%) Java
1 7 (43.75%) JavaScript
2 6 (37.50%) Scala
3 3 (18.75%) C#
4 2 (12.50%) Groovy
4 2 (12.50%) PHP
5 1 (6.25%) C
5 1 (6.25%) C++
5 1 (6.25%) Embedded C
5 1 (6.25%) Embedded C++
5 1 (6.25%) PowerShell
5 1 (6.25%) Python
5 1 (6.25%) Ruby
5 1 (6.25%) SQL
5 1 (6.25%) T-SQL
5 1 (6.25%) TypeScript
Qualifications
1 1 (6.25%) SC Cleared
1 1 (6.25%) Security Cleared
System Software
1 1 (6.25%) VMware Infrastructure
1 1 (6.25%) vSphere
Vendors
1 3 (18.75%) Microsoft
2 1 (6.25%) Oracle
2 1 (6.25%) VMware