The table below looks at the statistics for TDD skills in IT contracts advertised for the South Yorkshire region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 25 August 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
25 Aug 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 26 34 21
Rank change year-on-year
+8 -13
Contract jobs citing TDD 30 20 17
As % of all contract IT jobs located in South Yorkshire 5.48% 4.05% 5.07%
As % of the Processes & Methodologies category 7.30% 5.15% 6.97%
Number of daily rates quoted 28 14 8
Median daily rate £425 £525 £385
Median daily rate % change year-on-year
-19.04% +36.36%
90% offered a daily rate of more than £346 £465 £325
10% offered a daily rate of more than £493 £550 £404
UK excluding London median daily rate £425 £388 £375
% change year-on-year
+9.67% +3.33%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £38.00 £42.50 £71.00
% change year-on-year
-10.58% -40.14%
TDD
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 South Yorkshire region.

Processes & Methodologies Category
South Yorkshire
Contract IT job ads with a match in the
Processes & Methodologies category
411 388 244
As % of all contract IT jobs located in South Yorkshire 75.14% 78.54% 72.84%
Number of daily rates quoted 286 269 153
Median daily rate £425 £400 £350
Median daily rate % change year-on-year
+6.25% +14.28%
90% offered a daily rate of more than £305 £250 £201
10% offered a daily rate of more than £532 £550 £430
UK excluding London median daily rate £400 £396 £375
% change year-on-year
+1.01% +5.60%
Number of hourly rates quoted 17 18 16
Median hourly rate £22.50 £16.40 £19.00
Median hourly rate % change year-on-year
+37.23% -13.71%
90% offered a hourly rate of more than £12.74 £9.50 £15.04
10% offered a hourly rate of more than £45.00 £27.40 £30.00
UK excluding London median hourly rate £30.00 £32.54 £25.00
% change year-on-year
-7.80% +30.16%

TDD
Jobs Demand Trend in South Yorkshire

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

TDD Jobs Demand Trend in South Yorkshire

TDD
Daily Rate Trend in South Yorkshire

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

TDD Daily Rate Trend in South Yorkshire

TDD
Daily Rate Histogram in South Yorkshire

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the South Yorkshire region over the 3 months to 25 August 2016.

TDD Daily Rate Histogram in South Yorkshire

TDD
Hourly Rate Trend in South Yorkshire

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing TDD across the South Yorkshire region.

TDD Hourly Rate Trend in South Yorkshire

TDD
Contract Job Locations in South Yorkshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the South Yorkshire region over the 3 months to 25 August 2016. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Click see detailed
statistics and trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Sheffield +1 29 £425 -19.04% 12
Doncaster - 1 £370 -
TDD
Yorkshire

TDD
Top 30 Related IT Skills in South Yorkshire

For the 6 months to 25 August 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 South Yorkshire region with a requirement for TDD.

1 29 (70.73%) Agile Software Development
2 27 (65.85%) Java
3 20 (48.78%) Scrum
4 17 (41.46%) BDD
5 16 (39.02%) Spring
5 16 (39.02%) JavaScript
6 12 (29.27%) Hibernate
7 11 (26.83%) MVC
7 11 (26.83%) HTML
7 11 (26.83%) CSS
8 10 (24.39%) Scala
9 9 (21.95%) RESTful
9 9 (21.95%) PHP
9 9 (21.95%) OOP
10 8 (19.51%) J2EE
10 8 (19.51%) MySQL
10 8 (19.51%) Maven
10 8 (19.51%) Selenium
11 7 (17.07%) Symfony
11 7 (17.07%) Unit Testing
11 7 (17.07%) Git (software)
11 7 (17.07%) JUnit
11 7 (17.07%) JSP
11 7 (17.07%) Web Services
11 7 (17.07%) Laravel
11 7 (17.07%) Analytical Skills
12 6 (14.63%) Pair Programming
12 6 (14.63%) Degree
12 6 (14.63%) CodeIgniter
13 5 (12.20%) Groovy

TDD
Top Related IT Skills in South Yorkshire 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 2 (4.88%) CMS
1 2 (4.88%) Elasticsearch
1 2 (4.88%) Tomcat
2 1 (2.44%) Apache
2 1 (2.44%) ColdFusion
2 1 (2.44%) Confluence
2 1 (2.44%) Kentico
2 1 (2.44%) Mule
2 1 (2.44%) Mule ESB
2 1 (2.44%) nginx
2 1 (2.44%) Sitecore CMS
2 1 (2.44%) Sitefinity
2 1 (2.44%) WordPress
Cloud Services
1 2 (4.88%) GitHub
2 1 (2.44%) Force.com
Communications & Networking
1 1 (2.44%) SSL
Database & Business Intelligence
1 8 (19.51%) MySQL
2 5 (12.20%) NoSQL
3 4 (9.76%) MongoDB
4 2 (4.88%) Relational Database
5 1 (2.44%) Apache Cassandra
5 1 (2.44%) SQL Server
Development Applications
1 8 (19.51%) Maven
1 8 (19.51%) Selenium
2 7 (17.07%) Git (software)
2 7 (17.07%) JUnit
3 5 (12.20%) Subversion
4 3 (7.32%) Gradle
4 3 (7.32%) HP UFT
5 2 (4.88%) EasyMock
5 2 (4.88%) jMock
5 2 (4.88%) Mockito
5 2 (4.88%) Spock
6 1 (2.44%) Ant
6 1 (2.44%) Cucumber
6 1 (2.44%) Jasmine
6 1 (2.44%) JIRA
6 1 (2.44%) JMeter
6 1 (2.44%) JSUnit
6 1 (2.44%) Mercurial
6 1 (2.44%) PHPUnit
6 1 (2.44%) Xdebug
General
1 2 (4.88%) Finance
2 1 (2.44%) Banking
2 1 (2.44%) Billing
2 1 (2.44%) Marketing
Job Titles
1 37 (90.24%) Developer
2 23 (56.10%) Java Developer
3 8 (19.51%) PHP Developer
4 7 (17.07%) J2EE Developer
4 7 (17.07%) Java/J2EE Developer
5 5 (12.20%) Agile Developer
5 5 (12.20%) Agile Java Developer
5 5 (12.20%) PHP Laravel Developer
5 5 (12.20%) PHP Symfony Developer
5 5 (12.20%) Symfony Developer
6 4 (9.76%) Senior Developer
7 3 (7.32%) Consultant
8 2 (4.88%) Angular Developer
8 2 (4.88%) Front End Developer (Client-Side Developer)
8 2 (4.88%) Lead Developer
8 2 (4.88%) Senior PHP Developer
8 2 (4.88%) Test Automation Consultant
8 2 (4.88%) Test Consultant
9 1 (2.44%) Web Manager
9 1 (2.44%) Web Project Manager
Libraries, Frameworks & Software Standards
1 16 (39.02%) Spring
2 12 (29.27%) Hibernate
3 11 (26.83%) CSS
3 11 (26.83%) HTML
4 9 (21.95%) RESTful
5 8 (19.51%) J2EE
6 7 (17.07%) JSP
6 7 (17.07%) Laravel
6 7 (17.07%) Symfony
6 7 (17.07%) Web Services
7 6 (14.63%) CodeIgniter
8 5 (12.20%) REST
9 4 (9.76%) AngularJS
9 4 (9.76%) Spring Boot
9 4 (9.76%) Spring MVC
10 3 (7.32%) JSON
10 3 (7.32%) SOAP
11 2 (4.88%) JRuby
11 2 (4.88%) Ruby on Rails
11 2 (4.88%) XML
Miscellaneous
1 7 (17.07%) Analytical Skills
2 1 (2.44%) Computer Science
2 1 (2.44%) Fintech
Operating Systems
1 3 (7.32%) Linux
2 1 (2.44%) Mac OS
2 1 (2.44%) Mac OS X
2 1 (2.44%) Unix
Processes & Methodologies
1 29 (70.73%) Agile Software Development
2 20 (48.78%) Scrum
3 17 (41.46%) BDD
4 11 (26.83%) MVC
5 9 (21.95%) OOP
6 7 (17.07%) Unit Testing
7 6 (14.63%) Pair Programming
8 4 (9.76%) Kanban
8 4 (9.76%) Web Development
9 3 (7.32%) Concurrent Programming
9 3 (7.32%) Continuous Integration
9 3 (7.32%) DevOps
9 3 (7.32%) OO
9 3 (7.32%) RAD
9 3 (7.32%) Test Automation
9 3 (7.32%) V-Model
9 3 (7.32%) Waterfall
10 2 (4.88%) API Development
10 2 (4.88%) Continuous Deployment
10 2 (4.88%) Front End Development
Programming Languages
1 27 (65.85%) Java
2 16 (39.02%) JavaScript
3 10 (24.39%) Scala
4 9 (21.95%) PHP
5 5 (12.20%) Groovy
6 4 (9.76%) Clojure
7 3 (7.32%) C
7 3 (7.32%) VB
8 2 (4.88%) Jython
8 2 (4.88%) Ruby
9 1 (2.44%) Apex Code
9 1 (2.44%) PHP 5
9 1 (2.44%) SOQL
9 1 (2.44%) SQL
Qualifications
1 6 (14.63%) Degree
2 2 (4.88%) SC Cleared
2 2 (4.88%) Security Cleared
Quality Assurance & Compliance
1 1 (2.44%) QA
System Software
1 3 (7.32%) Docker
2 1 (2.44%) Virtual Machines
Vendors
1 1 (2.44%) MuleSoft
1 1 (2.44%) Oracle
1 1 (2.44%) Salesforce.com
1 1 (2.44%) Sitecore
1 1 (2.44%) Zend
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