The first table below looks at the demand for TDD skills in IT contracts advertised for the Hertfordshire region. Included is a guide to the average contractor rates offered in IT contracts that have cited TDD over the 3 months to 28 July 2014 with a comparison to the same period in the previous 2 years. The second table is for comparison and provides aggregates for all of the Processes & Methodologies category for the Hertfordshire region.

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
28 Jul 2014
Same period 2013 Same period 2012
Test-Driven Development (TDD)
Rank 47 34 54
Rank change year-on-year
-13 +20
Contract jobs citing TDD 12 24 21
As % of all contract IT jobs located in Hertfordshire 1.80% 3.93% 2.19%
As % of the Processes & Methodologies category 2.48% 5.19% 3.18%
Number of daily rates quoted 10 23 15
Average daily rate
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£406 £400 £425
Average daily rate % change year-on-year
+1.56% -5.88%
90% offered a daily rate of more than £370 £365 £260
10% offered a daily rate of more than £428 £500 £485
UK excluding London average daily rate £375 £360 £325
% change year-on-year
+4.16% +10.76%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate £59.50 £31.75 £40.00
% change year-on-year
+87.40% -20.62%
Processes & Methodologies Category
Hertfordshire
Contract IT job ads with a match in the
Processes & Methodologies category
484 462 661
As % of all contract IT jobs located in Hertfordshire 72.46% 75.61% 69.07%
Number of daily rates quoted 246 233 299
Average daily rate £380 £400 £350
Average daily rate % change year-on-year
-5.00% +14.28%
90% offered a daily rate of more than £250 £253 £250
10% offered a daily rate of more than £475 £500 £450
UK excluding London average daily rate £375 £375 £363
% change year-on-year
- +3.44%
Number of hourly rates quoted 31 19 43
Average hourly rate £21.00 £37.50 £35.00
Average hourly rate % change year-on-year
-44.00% +7.14%
90% offered a hourly rate of more than £10.60 £12.55 £12.38
10% offered a hourly rate of more than £37.50 £50.00 £41.15
UK excluding London average hourly rate £26.50 £31.00 £32.00
% change year-on-year
-14.51% -3.12%
TDD
East of England

TDD
Jobs Demand Trend in Hertfordshire

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

TDD Jobs Demand Trend in Hertfordshire

TDD
Daily Rate Trend in Hertfordshire

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

TDD Daily Rate Trend in Hertfordshire

TDD
Daily Rate Histogram in Hertfordshire

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the Hertfordshire region over the 3 months to 28 July 2014.

TDD Daily Rate Histogram in Hertfordshire

TDD
Hourly Rate Trend in Hertfordshire

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

TDD Hourly Rate Trend in Hertfordshire

TDD
Contract Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the average contractor rates quoted in IT jobs citing TDD within the Hertfordshire region over the 3 months to 28 July 2014. 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
Rickmansworth - 1 £325 - 1
St Albans - - - - 2
Stevenage - - - -
Watford - - - - 1
Borehamwood - - - -
Hemel Hempstead - - - - 2
Hitchin - - - - 1
Kings Langley - - - -
Letchworth - - - - 2
TDD
East of England

TDD
Top 30 Related IT Skills in Hertfordshire

For the 6 months to 28 July 2014, IT contractor jobs across the Hertfordshire 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 16 (55.17%) Scrum
2 15 (51.72%) MVC
2 15 (51.72%) JavaScript
3 13 (44.83%) HTML
4 12 (41.38%) CSS
5 10 (34.48%) .NET
5 10 (34.48%) Ajax
5 10 (34.48%) Unit Testing
5 10 (34.48%) BDD
6 9 (31.03%) XML
7 8 (27.59%) ASP.NET
7 8 (27.59%) E-Commerce
7 8 (27.59%) Agile Software Development
8 7 (24.14%) Subversion
8 7 (24.14%) SQL
8 7 (24.14%) Java
9 6 (20.69%) C#
9 6 (20.69%) SOAP
9 6 (20.69%) Web Services
9 6 (20.69%) OO
9 6 (20.69%) Finance
9 6 (20.69%) Spring
9 6 (20.69%) QA
9 6 (20.69%) Selenium
9 6 (20.69%) ASP.NET MVC
9 6 (20.69%) REST
10 5 (17.24%) Waterfall
10 5 (17.24%) NoSQL
10 5 (17.24%) HTML5
10 5 (17.24%) Git (software)

TDD
Top Related IT Skills in Hertfordshire by Category

For the 6 months to 28 July 2014, IT contractor jobs across the Hertfordshire 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 5 (17.24%) Apache
1 5 (17.24%) Tomcat
1 5 (17.24%) CMS
2 1 (3.45%) WebLogic Portal
2 1 (3.45%) WebLogic
2 1 (3.45%) IIS
Business Applications
1 1 (3.45%) Google Analytics
Communications & Networking
1 1 (3.45%) TCP/IP
1 1 (3.45%) Internet
Database & Business Intelligence
1 5 (17.24%) MySQL
1 5 (17.24%) NoSQL
2 4 (13.79%) RDBMS
2 4 (13.79%) Relational Database
3 3 (10.34%) SQL Server
4 1 (3.45%) Oracle Database
4 1 (3.45%) Oracle Database 10g
4 1 (3.45%) SQL Server Reporting Services
4 1 (3.45%) SQL Server Integration Services
4 1 (3.45%) SQL Server 2008
4 1 (3.45%) MongoDB
Development Applications
1 7 (24.14%) Subversion
2 6 (20.69%) Selenium
3 5 (17.24%) Maven
3 5 (17.24%) Ant
3 5 (17.24%) Eclipse
3 5 (17.24%) Git (software)
4 4 (13.79%) Mockito
4 4 (13.79%) Jasmine
4 4 (13.79%) IntelliJ
4 4 (13.79%) JUnit
5 2 (6.90%) Visual Studio
5 2 (6.90%) JIRA
5 2 (6.90%) WATIR
5 2 (6.90%) TeamCity
5 2 (6.90%) Capybara
5 2 (6.90%) Jenkins
5 2 (6.90%) Cucumber
5 2 (6.90%) Hudson
5 2 (6.90%) RSpec
6 1 (3.45%) FxCop
General
1 6 (20.69%) Finance
2 4 (13.79%) Marketing
3 3 (10.34%) Retail
4 2 (6.90%) Telecoms
5 1 (3.45%) Banking
Job Titles
1 20 (68.97%) Developer
2 5 (17.24%) Java Developer
2 5 (17.24%) .NET Developer
3 4 (13.79%) C# Developer
3 4 (13.79%) C# .NET Developer
4 3 (10.34%) Senior Developer
5 2 (6.90%) C# ASP.NET Developer
5 2 (6.90%) UI Developer
5 2 (6.90%) Front-End Developer
5 2 (6.90%) Senior Front-End Developer
5 2 (6.90%) Portal Developer
5 2 (6.90%) Silverlight Developer
5 2 (6.90%) UI Programmer
5 2 (6.90%) ASP.NET Developer
6 1 (3.45%) Senior Java Developer
6 1 (3.45%) CRM Business Analyst
6 1 (3.45%) JavaScript Developer
6 1 (3.45%) Business Analyst
6 1 (3.45%) CRM Analyst
6 1 (3.45%) Automation Engineer
Libraries, Frameworks & Software Standards
1 13 (44.83%) HTML
2 12 (41.38%) CSS
3 10 (34.48%) .NET
3 10 (34.48%) Ajax
4 9 (31.03%) XML
5 8 (27.59%) ASP.NET
6 6 (20.69%) SOAP
6 6 (20.69%) Web Services
6 6 (20.69%) Spring
6 6 (20.69%) ASP.NET MVC
6 6 (20.69%) REST
7 5 (17.24%) jQuery
7 5 (17.24%) HTML5
7 5 (17.24%) JSP
8 4 (13.79%) XHTML
8 4 (13.79%) JDBC
8 4 (13.79%) JSON
8 4 (13.79%) CSS3
9 3 (10.34%) Backbone.js
9 3 (10.34%) AngularJS
Miscellaneous
1 1 (3.45%) W3C
1 1 (3.45%) PKI
1 1 (3.45%) Enterprise Software
Operating Systems
1 5 (17.24%) UNIX
1 5 (17.24%) Linux
2 1 (3.45%) Windows
Processes & Methodologies
1 16 (55.17%) Scrum
2 15 (51.72%) MVC
3 10 (34.48%) Unit Testing
3 10 (34.48%) BDD
4 8 (27.59%) Agile Software Development
4 8 (27.59%) E-Commerce
5 6 (20.69%) OO
6 5 (17.24%) Waterfall
7 4 (13.79%) Continuous Integration
7 4 (13.79%) Performance Testing
8 2 (6.90%) MVVM
8 2 (6.90%) Web Accessibility
8 2 (6.90%) Web Development
8 2 (6.90%) Responsive Web Design
8 2 (6.90%) SOA
8 2 (6.90%) SEO
8 2 (6.90%) Web Design
9 1 (3.45%) Logistics
9 1 (3.45%) Business Analysis
9 1 (3.45%) Supplier Management
Programming Languages
1 15 (51.72%) JavaScript
2 7 (24.14%) Java
2 7 (24.14%) SQL
3 6 (20.69%) C#
4 3 (10.34%) Ruby
5 2 (6.90%) XPath
6 1 (3.45%) Clojure
6 1 (3.45%) T-SQL
6 1 (3.45%) VBScript
6 1 (3.45%) PL/SQL
Qualifications
1 1 (3.45%) ISEB
Quality Assurance & Compliance
1 6 (20.69%) QA
Systems Management
1 1 (3.45%) Opscode Chef
Vendors
1 2 (6.90%) Oracle
1 2 (6.90%) Apple
2 1 (3.45%) Omniture
2 1 (3.45%) Google
2 1 (3.45%) Microsoft
Hertfordshire
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