The table below looks at the statistics for TDD skills in IT contracts advertised for the Wiltshire region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 31 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
31 May 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 52 46 54
Rank change year-on-year
-6 +8
Contract jobs citing TDD 9 12 3
As % of all contract IT jobs located in Wiltshire 1.38% 1.90% 0.47%
As % of the Processes & Methodologies category 1.81% 2.45% 0.60%
Number of daily rates quoted 8 12 2
Median daily rate £325 £375 £344
Median daily rate % change year-on-year
-13.33% +9.09%
90% offered a daily rate of more than £292 £325 £309
10% offered a daily rate of more than £458 £425 £379
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 £42.29 £42.50 £59.50
% change year-on-year
-0.49% -28.57%
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
498 489 501
As % of all contract IT jobs located in Wiltshire 76.26% 77.50% 79.27%
Number of daily rates quoted 330 357 346
Median daily rate £400 £400 £400
90% offered a daily rate of more than £275 £300 £240
10% offered a daily rate of more than £600 £550 £513
UK excluding London median daily rate £400 £387 £375
% change year-on-year
+3.35% +3.20%
Number of hourly rates quoted 18 15 15
Median hourly rate £38.00 £21.00 £37.50
Median hourly rate % change year-on-year
+80.95% -44.00%
90% offered a hourly rate of more than £27.50 £13.00 £22.50
10% offered a hourly rate of more than £48.95 £22.50 £52.75
UK excluding London median hourly rate £32.50 £30.50 £30.00
% change year-on-year
+6.55% +1.66%

TDD
Jobs Demand Trend in Wiltshire

The demand trend of contract jobs across the Wiltshire region citing TDD as a proportion of all IT contracts with a match in 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 31 May 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 median contractor rates quoted in IT jobs citing TDD within the Wiltshire region over the 3 months to 31 May 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
Swindon -3 4 £320 -14.66% 1
Chippenham - 2 £325 - 3
Trowbridge - 1 £425 -
TDD
South West

TDD
Top 30 Related IT Skills in Wiltshire

For the 6 months to 31 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 Wiltshire region with a requirement for TDD.

1 25 (73.53%) Agile Software Development
2 18 (52.94%) Scrum
3 17 (50.00%) Java
4 13 (38.24%) JavaScript
4 13 (38.24%) .NET
5 12 (35.29%) C#
5 12 (35.29%) Spring
6 11 (32.35%) SQL Server
7 10 (29.41%) Hibernate
7 10 (29.41%) Automated Testing
8 9 (26.47%) WCF
8 9 (26.47%) Microsoft
8 9 (26.47%) CSS
9 8 (23.53%) Stakeholder Management
9 8 (23.53%) jQuery
9 8 (23.53%) Elasticsearch
10 7 (20.59%) AngularJS
10 7 (20.59%) HTML
11 6 (17.65%) Web Services
11 6 (17.65%) MVC
11 6 (17.65%) Selenium
11 6 (17.65%) Security Cleared
11 6 (17.65%) BDD
12 5 (14.71%) WebDriver
12 5 (14.71%) .NET Framework
12 5 (14.71%) SOAP
12 5 (14.71%) SQL
12 5 (14.71%) ASP.NET
12 5 (14.71%) TypeScript
13 4 (11.76%) Twitter Bootstrap

TDD
Top Related IT Skills in Wiltshire 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 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
Database & Business Intelligence
1 11 (32.35%) SQL Server
2 2 (5.88%) Oracle Database
2 2 (5.88%) Oracle Database 11g
2 2 (5.88%) Oracle Reports
2 2 (5.88%) SQL Server 2012
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 6 (17.65%) Selenium
2 5 (14.71%) WebDriver
3 4 (11.76%) JIRA
3 4 (11.76%) NUnit
3 4 (11.76%) Visual Studio
4 3 (8.82%) Bower
4 3 (8.82%) Grunt
4 3 (8.82%) gulp
4 3 (8.82%) Subversion
4 3 (8.82%) Team Foundation Server
5 2 (5.88%) Oracle Forms
6 1 (2.94%) Ant
6 1 (2.94%) ClearCase
6 1 (2.94%) Eclipse
6 1 (2.94%) Git (software)
6 1 (2.94%) HP UFT
6 1 (2.94%) Hudson
6 1 (2.94%) JMeter
6 1 (2.94%) JUnit
6 1 (2.94%) MSTest
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 5 (14.71%) .NET Developer
4 4 (11.76%) Senior Developer
5 3 (8.82%) C# Developer
6 2 (5.88%) Front End Developer (Client-Side Developer)
6 2 (5.88%) Java Developer
6 2 (5.88%) Oracle Developer
6 2 (5.88%) Senior Web Developer
6 2 (5.88%) Software Developer
6 2 (5.88%) UI Developer
6 2 (5.88%) Web Developer
Libraries, Frameworks & Software Standards
1 13 (38.24%) .NET
2 12 (35.29%) Spring
3 10 (29.41%) Hibernate
4 9 (26.47%) CSS
4 9 (26.47%) WCF
5 8 (23.53%) jQuery
6 7 (20.59%) AngularJS
6 7 (20.59%) HTML
7 6 (17.65%) Web Services
8 5 (14.71%) .NET Framework
8 5 (14.71%) ASP.NET
8 5 (14.71%) SOAP
9 4 (11.76%) Entity Framework
9 4 (11.76%) Twitter Bootstrap
9 4 (11.76%) XML
10 3 (8.82%) ASP.NET MVC
10 3 (8.82%) KnockoutJS
10 3 (8.82%) LESS
10 3 (8.82%) Sass
11 2 (5.88%) Oracle Fusion
Miscellaneous
1 1 (2.94%) Enterprise Software
1 1 (2.94%) Inversion of Control
Operating Systems
1 2 (5.88%) Android
1 2 (5.88%) Windows
2 1 (2.94%) Linux
Processes & Methodologies
1 25 (73.53%) Agile Software Development
2 18 (52.94%) Scrum
3 10 (29.41%) Automated Testing
4 8 (23.53%) Stakeholder Management
5 6 (17.65%) BDD
5 6 (17.65%) MVC
6 4 (11.76%) Unit Testing
7 3 (8.82%) Configuration Management
7 3 (8.82%) Kanban
7 3 (8.82%) OO
8 2 (5.88%) Android Development
8 2 (5.88%) CRM
8 2 (5.88%) Database Tuning
8 2 (5.88%) Front End Development
8 2 (5.88%) Migration
8 2 (5.88%) OOP
8 2 (5.88%) Performance Monitoring
8 2 (5.88%) Refactoring
8 2 (5.88%) SDLC
8 2 (5.88%) Web Development
Programming Languages
1 17 (50.00%) Java
2 13 (38.24%) JavaScript
3 12 (35.29%) C#
4 5 (14.71%) SQL
4 5 (14.71%) TypeScript
5 3 (8.82%) ECMAScript
6 2 (5.88%) PL/SQL
7 1 (2.94%) C
7 1 (2.94%) T-SQL
7 1 (2.94%) XPath
7 1 (2.94%) XQuery
Qualifications
1 6 (17.65%) Security Cleared
2 3 (8.82%) Microsoft Certification
2 3 (8.82%) SC Cleared
3 2 (5.88%) BC Cleared
Quality Assurance & Compliance
1 1 (2.94%) QA
Systems Management
1 2 (5.88%) Data Guard
1 2 (5.88%) Oracle RMAN
Vendors
1 9 (26.47%) Microsoft
2 2 (5.88%) Apple
2 2 (5.88%) Oracle
3 1 (2.94%) RedGate
3 1 (2.94%) Twitter