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

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
2 May 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 26 24 -
Rank change year-on-year
-2 -
Contract jobs citing TDD 12 3 0
As % of all contract IT jobs located in Croydon 4.56% 2.14% -
As % of the Processes & Methodologies category 4.94% 2.40% -
Number of daily rates quoted 11 1 0
Median daily rate £450 £388 -
Median daily rate % change year-on-year
+16.12% -
UK excluding London median daily rate £400 £380 £375
% change year-on-year
+5.26% +1.33%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £42.75 £42.50 £45.00
% change year-on-year
+0.58% -5.55%
TDD
London

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

Processes & Methodologies Category
Croydon
Contract IT job ads with a match in the
Processes & Methodologies category
243 125 72
As % of all contract IT jobs located in Croydon 92.40% 89.29% 66.06%
Number of daily rates quoted 196 109 53
Median daily rate £413 £400 £450
Median daily rate % change year-on-year
+3.12% -11.11%
90% offered a daily rate of more than £300 £265 £275
10% offered a daily rate of more than £525 £500 £575
UK excluding London median daily rate £400 £388 £375
% change year-on-year
+3.22% +3.33%
Number of hourly rates quoted 5 0 1
Median hourly rate £21.00 - £17.00
UK excluding London median hourly rate £36.00 £30.50 £31.50
% change year-on-year
+18.03% -3.17%

TDD
Jobs Demand Trend in Croydon

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

TDD Jobs Demand Trend in Croydon

TDD
Daily Rate Trend in Croydon

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

TDD Daily Rate Trend in Croydon

TDD
Top 30 Related IT Skills in Croydon

For the 6 months to 2 May 2016, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Croydon region with a requirement for TDD.

1 29 (93.55%) Agile Software Development
2 21 (67.74%) Java
3 20 (64.52%) Scrum
4 12 (38.71%) JavaScript
4 12 (38.71%) BDD
5 10 (32.26%) OO
6 9 (29.03%) Git (software)
6 9 (29.03%) RESTful
6 9 (29.03%) GitHub
7 8 (25.81%) SDLC
7 8 (25.81%) CSS
7 8 (25.81%) HTML
8 7 (22.58%) HTML5
8 7 (22.58%) Node.js
9 6 (19.35%) Continuous Integration
9 6 (19.35%) Tomcat
9 6 (19.35%) JIRA
9 6 (19.35%) QA
10 5 (16.13%) Spring
10 5 (16.13%) ActiveMQ
10 5 (16.13%) Linux
10 5 (16.13%) Web Services
10 5 (16.13%) Scala
10 5 (16.13%) Security Cleared
10 5 (16.13%) REST
10 5 (16.13%) AngularJS
11 4 (12.90%) Grunt
11 4 (12.90%) CSS3
11 4 (12.90%) MongoDB
11 4 (12.90%) Multithreading

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 7 (22.58%) Node.js
2 6 (19.35%) Tomcat
3 3 (9.68%) Apache
3 3 (9.68%) JBoss
4 2 (6.45%) Mule
5 1 (3.23%) Alfresco
5 1 (3.23%) CMS
5 1 (3.23%) WildFly
Cloud Services
1 9 (29.03%) GitHub
Database & Business Intelligence
1 4 (12.90%) MongoDB
1 4 (12.90%) PostgreSQL
2 3 (9.68%) NoSQL
2 3 (9.68%) SQL Server
3 2 (6.45%) MySQL
3 2 (6.45%) Relational Database
4 1 (3.23%) SQL Server 2012
Development Applications
1 9 (29.03%) Git (software)
2 6 (19.35%) JIRA
3 4 (12.90%) Grunt
3 4 (12.90%) JUnit
4 2 (6.45%) Bower
4 2 (6.45%) Gerrit
4 2 (6.45%) gulp
4 2 (6.45%) Jasmine
4 2 (6.45%) Jenkins
4 2 (6.45%) JMeter
4 2 (6.45%) Karma Test Runner
4 2 (6.45%) Protractor
4 2 (6.45%) Selenium
4 2 (6.45%) SonarQube
4 2 (6.45%) Subversion
General
1 2 (6.45%) Telecoms
2 1 (3.23%) Finance
Job Titles
1 26 (83.87%) Developer
2 14 (45.16%) Java Developer
3 6 (19.35%) Senior Developer
4 5 (16.13%) Agile Developer
4 5 (16.13%) Agile Java Developer
4 5 (16.13%) Senior Java Developer
5 4 (12.90%) Lead Developer
5 4 (12.90%) Lead Java Developer
6 3 (9.68%) .NET Developer
6 3 (9.68%) Senior Agile Developer
6 3 (9.68%) Senior Agile Java Developer
7 2 (6.45%) Agile Business Analyst
7 2 (6.45%) Analyst
7 2 (6.45%) Angular Developer
7 2 (6.45%) Business Analyst
7 2 (6.45%) Node.js Developer
7 2 (6.45%) SC Cleared Java Developer
7 2 (6.45%) Scala Developer
7 2 (6.45%) Web Developer
8 1 (3.23%) Tester
Libraries, Frameworks & Software Standards
1 9 (29.03%) RESTful
2 8 (25.81%) CSS
2 8 (25.81%) HTML
3 7 (22.58%) HTML5
4 5 (16.13%) ActiveMQ
4 5 (16.13%) AngularJS
4 5 (16.13%) REST
4 5 (16.13%) Spring
4 5 (16.13%) Web Services
5 4 (12.90%) CSS3
5 4 (12.90%) J2EE
5 4 (12.90%) SOAP
5 4 (12.90%) XML
6 3 (9.68%) .NET
6 3 (9.68%) Apache Camel
6 3 (9.68%) ASP.NET
6 3 (9.68%) Hibernate
6 3 (9.68%) JMS
7 2 (6.45%) Semantic HTML
7 2 (6.45%) Twitter Bootstrap
Miscellaneous
1 3 (9.68%) Enterprise Software
2 2 (6.45%) Minimum Viable Product
2 2 (6.45%) Mobile App
3 1 (3.23%) Embedded Systems
Operating Systems
1 5 (16.13%) Linux
2 1 (3.23%) Mac OS X
2 1 (3.23%) Unix
2 1 (3.23%) Windows
Processes & Methodologies
1 29 (93.55%) Agile Software Development
2 20 (64.52%) Scrum
3 12 (38.71%) BDD
4 10 (32.26%) OO
5 8 (25.81%) SDLC
6 6 (19.35%) Continuous Integration
7 4 (12.90%) Kanban
7 4 (12.90%) Multithreading
8 3 (9.68%) Asynchronous Programming
8 3 (9.68%) Domain-Driven Design
8 3 (9.68%) EAI
8 3 (9.68%) Front End Development
8 3 (9.68%) Integration Testing
8 3 (9.68%) Microservices
8 3 (9.68%) MVC
8 3 (9.68%) Pair Programming
8 3 (9.68%) Performance Analysis
8 3 (9.68%) Web Development
9 2 (6.45%) API Design
9 2 (6.45%) Data Analysis
Programming Languages
1 21 (67.74%) Java
2 12 (38.71%) JavaScript
3 5 (16.13%) Scala
4 3 (9.68%) C#
4 3 (9.68%) Go
5 2 (6.45%) Bash Shell
5 2 (6.45%) PHP
5 2 (6.45%) Shell Script
5 2 (6.45%) SQL
6 1 (3.23%) C++
6 1 (3.23%) Groovy
6 1 (3.23%) Perl
6 1 (3.23%) Python
Qualifications
1 5 (16.13%) Security Cleared
2 3 (9.68%) SC Cleared
Quality Assurance & Compliance
1 6 (19.35%) QA
System Software
1 1 (3.23%) Docker
Vendors
1 1 (3.23%) Zend