The table below looks at the statistics for TDD skills in IT contracts advertised for the Wiltshire region. Included is a guide to the average contractor rates offered in IT contracts that have cited TDD over the 3 months to 5 February 2016 with a comparison to the same period in 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.

Location
3 months to
5 Feb 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 36 48 47
Rank change year-on-year
+12 -1
Contract jobs citing TDD 25 12 3
As % of all contract IT jobs located in Wiltshire 3.59% 1.79% 0.58%
As % of the Processes & Methodologies category 4.64% 2.29% 0.76%
Number of daily rates quoted 15 10 2
Average daily rate £375 £375 £363
Average daily rate % change year-on-year
- +3.44%
90% offered a daily rate of more than £300 £346 £333
10% offered a daily rate of more than £450 £388 £393
UK excluding London average daily rate £388 £375 £375
% change year-on-year
+3.33% -
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate £40.00 £36.00 £36.00
% change year-on-year
+11.11% -
TDD
South West

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

Processes & Methodologies Category
Wiltshire
Contract IT job ads with a match in the
Processes & Methodologies category
539 525 396
As % of all contract IT jobs located in Wiltshire 77.44% 78.24% 76.89%
Number of daily rates quoted 403 377 261
Average daily rate £368 £450 £375
Average daily rate % change year-on-year
-18.33% +20.00%
90% offered a daily rate of more than £248 £300 £180
10% offered a daily rate of more than £500 £572 £518
UK excluding London average daily rate £400 £400 £375
% change year-on-year
- +6.66%
Number of hourly rates quoted 13 17 14
Average hourly rate £40.50 £28.50 £24.00
Average hourly rate % change year-on-year
+42.10% +18.75%
90% offered a hourly rate of more than £10.50 £17.00 £15.35
10% offered a hourly rate of more than £45.50 £28.50 £36.50
UK excluding London average hourly rate £40.00 £27.50 £27.50
% change year-on-year
+45.45% -

TDD
Jobs Demand Trend in Wiltshire

This chart provides a 3-month moving total of IT contractor jobs citing TDD across the Wiltshire region as a proportion of the total demand within the Processes & Methodologies category.

TDD Jobs Demand Trend in Wiltshire

TDD
Daily Rate Trend in Wiltshire

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

TDD Daily Rate Trend in Wiltshire

TDD
Daily Rate Histogram in Wiltshire

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the Wiltshire region over the 3 months to 5 February 2016.

TDD Daily Rate Histogram in Wiltshire

TDD
Hourly Rate Trend in Wiltshire

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

TDD Hourly Rate Trend in Wiltshire

TDD
Contract Job Locations in Wiltshire

The table below looks at the demand and provides a guide to the average contractor rates quoted in IT jobs citing TDD within the Wiltshire region over the 3 months to 5 February 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
(Use links below to see detailed
statistics and historical trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Average
Daily Rate
Last 3 Months
Average Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Swindon -9 5 £365 -2.66% 3
Trowbridge - 3 £363 -
Chippenham - 2 £300 - 3
Salisbury - 2 £450 -
Malmesbury - 1 - -
TDD
South West

TDD
Top 30 Related IT Skills in Wiltshire

For the 6 months to 5 February 2016, IT contractor jobs across the Wiltshire region citing TDD also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited TDD.

1 29 (85.29%) Agile Software Development
2 18 (52.94%) JavaScript
3 15 (44.12%) Java
4 14 (41.18%) Scrum
5 13 (38.24%) CSS
6 12 (35.29%) C#
6 12 (35.29%) HTML
6 12 (35.29%) .NET
7 11 (32.35%) Spring
7 11 (32.35%) jQuery
8 10 (29.41%) AngularJS
9 9 (26.47%) BDD
9 9 (26.47%) WCF
9 9 (26.47%) Hibernate
10 8 (23.53%) Stakeholder Management
10 8 (23.53%) Automated Testing
10 8 (23.53%) OO
10 8 (23.53%) ASP.NET
10 8 (23.53%) .NET Framework
10 8 (23.53%) Sass
10 8 (23.53%) Elasticsearch
10 8 (23.53%) Grunt
11 7 (20.59%) Entity Framework
11 7 (20.59%) Microsoft
11 7 (20.59%) MVC
12 6 (17.65%) OOP
12 6 (17.65%) ASP.NET MVC
12 6 (17.65%) CSS3
12 6 (17.65%) KnockoutJS
12 6 (17.65%) HTML5

TDD
Top Related IT Skills in Wiltshire by Category

For the 6 months to 5 February 2016, IT contractor jobs across the Wiltshire region citing TDD also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited TDD. Up to 20 skills are shown per category.

Application Platforms
1 8 (23.53%) Elasticsearch
2 4 (11.76%) BizTalk Server
2 4 (11.76%) Node.js
3 2 (5.88%) WebLogic
4 1 (2.94%) CMS
4 1 (2.94%) IIS
4 1 (2.94%) MQSeries
Communications & Networking
1 1 (2.94%) HTTP
1 1 (2.94%) Internet
Database & Business Intelligence
1 5 (14.71%) SQL Server
2 2 (5.88%) Oracle Database
2 2 (5.88%) Oracle Database 11g
2 2 (5.88%) Oracle Reports
3 1 (2.94%) Amazon DynamoDB
3 1 (2.94%) Apache Cassandra
3 1 (2.94%) MongoDB
3 1 (2.94%) NoSQL
3 1 (2.94%) Relational Database
3 1 (2.94%) SQL Server Integration Services
3 1 (2.94%) SQL Server Reporting Services
Development Applications
1 8 (23.53%) Grunt
2 4 (11.76%) NUnit
2 4 (11.76%) Selenium
2 4 (11.76%) WebDriver
3 3 (8.82%) Bower
3 3 (8.82%) gulp
3 3 (8.82%) JIRA
3 3 (8.82%) MSTest
3 3 (8.82%) Subversion
4 2 (5.88%) Oracle Forms
5 1 (2.94%) SpecFlow
5 1 (2.94%) Team Foundation Server
5 1 (2.94%) Visual Studio
General
1 1 (2.94%) Retail
Job Titles
1 21 (61.76%) Developer
2 8 (23.53%) Architect
2 8 (23.53%) Java Architect
2 8 (23.53%) Java Team Leader
2 8 (23.53%) Java Technical Architect
2 8 (23.53%) Lead Architect
2 8 (23.53%) Team Leader
2 8 (23.53%) Technical Architect
2 8 (23.53%) Technical Leader
2 8 (23.53%) Technical Team Leader
3 7 (20.59%) Front End Developer (Client-Side Developer)
4 6 (17.65%) HTML CSS Developer
4 6 (17.65%) HTML Developer
5 5 (14.71%) C# Developer
6 4 (11.76%) Angular Developer
6 4 (11.76%) Senior Developer
7 2 (5.88%) Senior Web Developer
7 2 (5.88%) Software Developer
7 2 (5.88%) Web Developer
7 2 (5.88%) Web UI Developer
Libraries, Frameworks & Software Standards
1 13 (38.24%) CSS
2 12 (35.29%) .NET
2 12 (35.29%) HTML
3 11 (32.35%) jQuery
3 11 (32.35%) Spring
4 10 (29.41%) AngularJS
5 9 (26.47%) Hibernate
5 9 (26.47%) WCF
6 8 (23.53%) .NET Framework
6 8 (23.53%) ASP.NET
6 8 (23.53%) Sass
7 7 (20.59%) Entity Framework
8 6 (17.65%) ASP.NET MVC
8 6 (17.65%) CSS3
8 6 (17.65%) HTML5
8 6 (17.65%) KnockoutJS
9 4 (11.76%) Backbone.js
9 4 (11.76%) SOAP
9 4 (11.76%) Web Services
9 4 (11.76%) XML
Miscellaneous
1 1 (2.94%) Enterprise Software
1 1 (2.94%) Inversion of Control
Operating Systems
1 1 (2.94%) Linux
Processes & Methodologies
1 29 (85.29%) Agile Software Development
2 14 (41.18%) Scrum
3 9 (26.47%) BDD
4 8 (23.53%) Automated Testing
4 8 (23.53%) OO
4 8 (23.53%) Stakeholder Management
5 7 (20.59%) MVC
6 6 (17.65%) OOP
7 5 (14.71%) Front End Development
7 5 (14.71%) Responsive Web Design
8 4 (11.76%) SDLC
9 3 (8.82%) Configuration Management
10 2 (5.88%) Database Tuning
10 2 (5.88%) Kanban
10 2 (5.88%) Migration
10 2 (5.88%) Performance Monitoring
10 2 (5.88%) Test Strategy
10 2 (5.88%) Unit Testing
11 1 (2.94%) Domain-Driven Design
11 1 (2.94%) Test Automation
Programming Languages
1 18 (52.94%) JavaScript
2 15 (44.12%) Java
3 12 (35.29%) C#
4 4 (11.76%) ECMAScript
4 4 (11.76%) SQL
5 3 (8.82%) TypeScript
6 2 (5.88%) PL/SQL
7 1 (2.94%) C
7 1 (2.94%) ES6
7 1 (2.94%) XPath
7 1 (2.94%) XQuery
Qualifications
1 3 (8.82%) Microsoft Certification
2 2 (5.88%) SC Cleared
2 2 (5.88%) Security Cleared
Systems Management
1 2 (5.88%) Data Guard
1 2 (5.88%) Oracle RMAN
Vendors
1 7 (20.59%) Microsoft
2 2 (5.88%) Oracle