The table below looks at the statistics for TDD skills in IT contracts advertised for the Watford region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 30 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
30 May 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 21 20 26
Rank change year-on-year
-1 +6
Contract jobs citing TDD 1 8 1
As % of all contract IT jobs located in Watford 0.79% 5.03% 1.08%
As % of the Processes & Methodologies category 1.08% 5.97% 1.37%
Number of daily rates quoted 0 0 1
Median daily rate - - £550
UK excluding London median daily rate £413 £380 £375
% change year-on-year
+8.55% +1.33%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £42.40 £42.50 £59.50
% change year-on-year
-0.24% -28.57%
TDD
Hertfordshire

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

Processes & Methodologies Category
Watford
Contract IT job ads with a match in the
Processes & Methodologies category
93 134 73
As % of all contract IT jobs located in Watford 73.81% 84.28% 78.49%
Number of daily rates quoted 47 56 41
Median daily rate £388 £375 £400
Median daily rate % change year-on-year
+3.33% -6.25%
90% offered a daily rate of more than £275 £225 £258
10% offered a daily rate of more than £550 £425 £475
UK excluding London median daily rate £400 £385 £375
% change year-on-year
+3.89% +2.66%
Number of hourly rates quoted 0 5 1
Median hourly rate - £9.00 £23.86
Median hourly rate % change year-on-year
- -62.27%
UK excluding London median hourly rate £32.50 £30.00 £30.00
% change year-on-year
+8.33% -

TDD
Jobs Demand Trend in Watford

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

TDD Jobs Demand Trend in Watford

TDD
Daily Rate Trend in Watford

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

TDD Daily Rate Trend in Watford

TDD
Top 30 Related IT Skills in Watford

For the 6 months to 30 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 Watford region with a requirement for TDD.

1 12 (100.00%) Agile Software Development
2 11 (91.67%) JavaScript
3 10 (83.33%) HTML
4 8 (66.67%) Retail
4 8 (66.67%) QA
4 8 (66.67%) Selenium
4 8 (66.67%) Continuous Integration
4 8 (66.67%) Test Automation
4 8 (66.67%) Magento
4 8 (66.67%) Coaching
5 7 (58.33%) Analytical Skills
5 7 (58.33%) RESTful
5 7 (58.33%) WebDriver
5 7 (58.33%) Test Scripting
5 7 (58.33%) Subversion
5 7 (58.33%) Document Management
5 7 (58.33%) Automated Testing
5 7 (58.33%) SQL
5 7 (58.33%) DB2
5 7 (58.33%) XML
5 7 (58.33%) Unix
6 6 (50.00%) Java
7 4 (33.33%) System Testing
7 4 (33.33%) JIRA
7 4 (33.33%) PHP
7 4 (33.33%) J2EE
7 4 (33.33%) Flash
7 4 (33.33%) E-Commerce
7 4 (33.33%) PHPUnit
7 4 (33.33%) Cucumber

TDD
Top Related IT Skills in Watford 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 1 (8.33%) WebSphere
Business Applications
1 8 (66.67%) Magento
Cloud Services
1 2 (16.67%) GitHub
Database & Business Intelligence
1 7 (58.33%) DB2
2 4 (33.33%) DbVisualizer
3 1 (8.33%) Big Data
3 1 (8.33%) Hadoop
Development Applications
1 8 (66.67%) Selenium
2 7 (58.33%) Subversion
2 7 (58.33%) WebDriver
3 4 (33.33%) Appium
3 4 (33.33%) Cucumber
3 4 (33.33%) JIRA
3 4 (33.33%) PHPUnit
3 4 (33.33%) Protractor
4 3 (25.00%) Git (software)
5 1 (8.33%) Jenkins
5 1 (8.33%) Maven
General
1 8 (66.67%) Retail
Job Titles
1 7 (58.33%) Automation Tester
1 7 (58.33%) Selenium Automation Tester
1 7 (58.33%) Selenium Tester
1 7 (58.33%) Tester
2 6 (50.00%) Web Automation Tester
2 6 (50.00%) Web Tester
3 4 (33.33%) Developer
3 4 (33.33%) Java Automation Tester
4 2 (16.67%) Agile Developer
4 2 (16.67%) Agile Java Developer
4 2 (16.67%) Front End Developer (Client-Side Developer)
4 2 (16.67%) HTML CSS Developer
4 2 (16.67%) HTML Developer
4 2 (16.67%) Java Developer
4 2 (16.67%) JavaScript Developer
5 1 (8.33%) Automation Engineer
5 1 (8.33%) Big Data Developer
5 1 (8.33%) E-Commerce Engineer
5 1 (8.33%) QA Automation Engineer
5 1 (8.33%) QA Engineer
Libraries, Frameworks & Software Standards
1 10 (83.33%) HTML
2 7 (58.33%) RESTful
2 7 (58.33%) XML
3 4 (33.33%) Behat
3 4 (33.33%) Flash
3 4 (33.33%) Gherkin
3 4 (33.33%) J2EE
4 2 (16.67%) AngularJS
4 2 (16.67%) Backbone.js
4 2 (16.67%) CSS
4 2 (16.67%) CSS3
4 2 (16.67%) Hibernate
4 2 (16.67%) HTML5
4 2 (16.67%) jQuery
4 2 (16.67%) KnockoutJS
4 2 (16.67%) LESS
4 2 (16.67%) React
4 2 (16.67%) Sass
4 2 (16.67%) Spring
Miscellaneous
1 7 (58.33%) Analytical Skills
Operating Systems
1 7 (58.33%) Unix
Processes & Methodologies
1 12 (100.00%) Agile Software Development
2 8 (66.67%) Coaching
2 8 (66.67%) Continuous Integration
2 8 (66.67%) Test Automation
3 7 (58.33%) Automated Testing
3 7 (58.33%) Document Management
3 7 (58.33%) Test Scripting
4 4 (33.33%) BDD
4 4 (33.33%) E-Commerce
4 4 (33.33%) System Testing
5 3 (25.00%) Re-Platforming
5 3 (25.00%) User Stories
6 2 (16.67%) Concurrent Programming
6 2 (16.67%) Front End Development
6 2 (16.67%) Kanban
6 2 (16.67%) Low Latency
6 2 (16.67%) Multithreading
6 2 (16.67%) Scrum
7 1 (8.33%) Mentoring
Programming Languages
1 11 (91.67%) JavaScript
2 7 (58.33%) SQL
3 6 (50.00%) Java
4 4 (33.33%) PHP
5 1 (8.33%) Scala
Quality Assurance & Compliance
1 8 (66.67%) QA
Vendors
1 1 (8.33%) hybris
1 1 (8.33%) IBM