The table below looks at the statistics for TDD skills in IT contracts advertised for the Bradford region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 1 July 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
1 Jul 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 14 33 21
Rank change year-on-year
+19 -12
Contract jobs citing TDD 14 6 4
As % of all contract IT jobs located in Bradford 9.40% 2.86% 2.58%
As % of the Processes & Methodologies category 10.45% 3.28% 3.54%
Number of daily rates quoted 14 3 3
Median daily rate £450 £350 £375
Median daily rate % change year-on-year
+28.57% -6.66%
UK excluding London median daily rate £413 £375 £375
% change year-on-year
+10.00% -
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £40.00 £45.00 £59.50
% change year-on-year
-11.11% -24.36%
TDD
West Yorkshire

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

Processes & Methodologies Category
Bradford
Contract IT job ads with a match in the
Processes & Methodologies category
134 183 113
As % of all contract IT jobs located in Bradford 89.93% 87.14% 72.90%
Number of daily rates quoted 83 98 63
Median daily rate £450 £340 £325
Median daily rate % change year-on-year
+32.35% +4.61%
90% offered a daily rate of more than £298 £263 £250
10% offered a daily rate of more than £538 £450 £520
UK excluding London median daily rate £400 £385 £375
% change year-on-year
+3.89% +2.66%
Number of hourly rates quoted 2 6 0
Median hourly rate £98.38 £19.00 -
Median hourly rate % change year-on-year
+417.76% -
UK excluding London median hourly rate £28.50 £30.00 £30.00
% change year-on-year
-5.00% -

TDD
Jobs Demand Trend in Bradford

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

TDD Jobs Demand Trend in Bradford

TDD
Daily Rate Trend in Bradford

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

TDD Daily Rate Trend in Bradford

TDD
Daily Rate Histogram in Bradford

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the Bradford region over the 3 months to 1 July 2016.

TDD Daily Rate Histogram in Bradford

TDD
Top 30 Related IT Skills in Bradford

For the 6 months to 1 July 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 Bradford region with a requirement for TDD.

1 27 (100.00%) Agile Software Development
2 25 (92.59%) Java
3 23 (85.19%) JavaScript
3 23 (85.19%) RESTful
4 22 (81.48%) Hibernate
4 22 (81.48%) Spring
5 20 (74.07%) SQL Server
5 20 (74.07%) CSS
5 20 (74.07%) Web Services
6 19 (70.37%) Windows
6 19 (70.37%) ECMAScript
6 19 (70.37%) JPA
6 19 (70.37%) CouchDB
6 19 (70.37%) MongoDB
6 19 (70.37%) RabbitMQ
6 19 (70.37%) LESS
6 19 (70.37%) Ember.js
6 19 (70.37%) AngularJS
6 19 (70.37%) Node.js
6 19 (70.37%) React
6 19 (70.37%) ES6
7 15 (55.56%) Mobile App
8 4 (14.81%) Scrum
9 3 (11.11%) JAXB
9 3 (11.11%) Tomcat
9 3 (11.11%) BDD
9 3 (11.11%) JSF
9 3 (11.11%) Continuous Integration
9 3 (11.11%) JAX-RS
10 2 (7.41%) High Availability

TDD
Top Related IT Skills in Bradford 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 (11.11%) Tomcat
2 1 (3.70%) Jetty
Cloud Services
1 1 (3.70%) GitHub
Database & Business Intelligence
1 20 (74.07%) SQL Server
2 19 (70.37%) CouchDB
2 19 (70.37%) MongoDB
3 1 (3.70%) Hadoop
3 1 (3.70%) Oracle Database
3 1 (3.70%) Oracle Database 11g
Development Applications
1 2 (7.41%) Git (software)
1 2 (7.41%) JUnit
1 2 (7.41%) Maven
2 1 (3.70%) Ant
2 1 (3.70%) Cucumber
2 1 (3.70%) DbUnit
2 1 (3.70%) Gradle
2 1 (3.70%) Jenkins
2 1 (3.70%) jMock
2 1 (3.70%) Mercurial
2 1 (3.70%) Mockito
2 1 (3.70%) Selenium
2 1 (3.70%) SoapUI
2 1 (3.70%) SonarQube
General
1 1 (3.70%) Advertising
1 1 (3.70%) Finance
Job Titles
1 26 (96.30%) Developer
2 25 (92.59%) Java Developer
3 13 (48.15%) Node.js Developer
4 10 (37.04%) JavaScript Developer
5 7 (25.93%) Angular Developer
6 6 (22.22%) Java Mobile Developer
7 4 (14.81%) Agile Developer
7 4 (14.81%) Agile Java Developer
7 4 (14.81%) Senior Developer
8 3 (11.11%) Senior Java Developer
9 2 (7.41%) Applications Developer
9 2 (7.41%) Java Applications Developer
9 2 (7.41%) Mobile Applications Developer
10 1 (3.70%) Hadoop Developer
10 1 (3.70%) Java/J2EE Developer
10 1 (3.70%) Scala Developer
10 1 (3.70%) Senior Agile Java Developer
10 1 (3.70%) Senior Hadoop Developer
10 1 (3.70%) Senior Scala Developer
10 1 (3.70%) Technical Developer
Libraries, Frameworks & Software Standards
1 23 (85.19%) RESTful
2 22 (81.48%) Hibernate
2 22 (81.48%) Spring
3 20 (74.07%) CSS
3 20 (74.07%) Web Services
4 19 (70.37%) AngularJS
4 19 (70.37%) Ember.js
4 19 (70.37%) JPA
4 19 (70.37%) LESS
4 19 (70.37%) Node.js
4 19 (70.37%) RabbitMQ
4 19 (70.37%) React
5 3 (11.11%) JAXB
5 3 (11.11%) JAX-RS
5 3 (11.11%) JSF
6 2 (7.41%) HTML
6 2 (7.41%) Struts
7 1 (3.70%) .NET
7 1 (3.70%) CSS3
7 1 (3.70%) PowerMock
Miscellaneous
1 15 (55.56%) Mobile App
2 2 (7.41%) Enterprise Software
3 1 (3.70%) Analytical Skills
Operating Systems
1 19 (70.37%) Windows
Processes & Methodologies
1 27 (100.00%) Agile Software Development
2 4 (14.81%) Scrum
3 3 (11.11%) BDD
3 3 (11.11%) Continuous Integration
4 2 (7.41%) High Availability
4 2 (7.41%) Kanban
4 2 (7.41%) Low Latency
4 2 (7.41%) Open Source
4 2 (7.41%) SOA
5 1 (3.70%) API Development
5 1 (3.70%) Concurrent Programming
5 1 (3.70%) Continuous Delivery
5 1 (3.70%) CRM
5 1 (3.70%) Microservices
5 1 (3.70%) Multithreading
5 1 (3.70%) OO
5 1 (3.70%) OOP
5 1 (3.70%) Pair Programming
5 1 (3.70%) Software Delivery
5 1 (3.70%) Unit Testing
Programming Languages
1 25 (92.59%) Java
2 23 (85.19%) JavaScript
3 19 (70.37%) ECMAScript
3 19 (70.37%) ES6
4 2 (7.41%) Scala
5 1 (3.70%) C#
5 1 (3.70%) Clojure
5 1 (3.70%) Groovy
5 1 (3.70%) Python
System Software
1 1 (3.70%) Virtual Machines
Systems Management
1 1 (3.70%) Oracle Identity Manager
Vendors
1 1 (3.70%) Oracle