The table below looks at the statistics 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 19 December 2014 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
19 Dec 2014
Same period 2013 Same period 2012
Test-Driven Development (TDD)
Rank 31 38 25
Rank change year-on-year
+7 -13
Contract jobs citing TDD 34 26 66
As % of all contract IT jobs located in Hertfordshire 4.91% 4.09% 7.09%
As % of the Processes & Methodologies category 6.64% 6.16% 10.41%
Number of daily rates quoted 23 18 57
Average daily rate
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of your Daily Rate
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£405 £444 £500
Average daily rate % change year-on-year
-8.73% -11.25%
90% offered a daily rate of more than £360 £335 £395
10% offered a daily rate of more than £500 £601 £675
UK excluding London average daily rate £375 £350 £365
% change year-on-year
+7.14% -4.10%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate £39.50 £33.00 £36.75
% change year-on-year
+19.69% -10.20%
TDD
East of England

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

Processes & Methodologies Category
Hertfordshire
Contract IT job ads with a match in the
Processes & Methodologies category
512 422 634
As % of all contract IT jobs located in Hertfordshire 73.99% 66.46% 68.10%
Number of daily rates quoted 304 220 353
Average daily rate £405 £400 £425
Average daily rate % change year-on-year
+1.25% -5.88%
90% offered a daily rate of more than £270 £275 £260
10% offered a daily rate of more than £550 £525 £600
UK excluding London average daily rate £388 £365 £365
% change year-on-year
+6.16% -
Number of hourly rates quoted 22 20 34
Average hourly rate £33.50 £20.00 £25.00
Average hourly rate % change year-on-year
+67.50% -20.00%
90% offered a hourly rate of more than £12.40 £13.75 £13.50
10% offered a hourly rate of more than £42.35 £37.25 £43.40
UK excluding London average hourly rate £25.00 £27.00 £30.00
% change year-on-year
-7.40% -10.00%

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 19 December 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 19 December 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
Welwyn Garden City -1 2 £325 -46.50% 4
Watford - 2 £500 - 2
Borehamwood - - - -
Hemel Hempstead - - - - 1
Hertford - - - -
Hitchin - - - -
Letchworth - - - - 1
Rickmansworth - - - - 1
St Albans - - - - 2
Stevenage - - - - 1
TDD
East of England

TDD
Top 30 Related IT Skills in Hertfordshire

For the 6 months to 19 December 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 64 (94.12%) Agile Software Development
2 56 (82.35%) BDD
3 39 (57.35%) Scrum
4 35 (51.47%) JavaScript
5 34 (50.00%) CSS
6 32 (47.06%) .NET
7 30 (44.12%) HTML
8 29 (42.65%) REST
9 24 (35.29%) Git (software)
9 24 (35.29%) C#
9 24 (35.29%) Continuous Integration
10 23 (33.82%) Subversion
10 23 (33.82%) XML
11 21 (30.88%) Java
11 21 (30.88%) Linux
11 21 (30.88%) MVC
12 20 (29.41%) Apache
12 20 (29.41%) Ant
13 19 (27.94%) SQL
13 19 (27.94%) Marketing
14 18 (26.47%) Unit Testing
14 18 (26.47%) ASP.NET
14 18 (26.47%) OO
15 16 (23.53%) Web Services
15 16 (23.53%) Ajax
15 16 (23.53%) Selenium
16 15 (22.06%) WCF
16 15 (22.06%) Spring
16 15 (22.06%) Finance
16 15 (22.06%) SOAP

TDD
Top Related IT Skills in Hertfordshire by Category

For the 6 months to 19 December 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 20 (29.41%) Apache
2 13 (19.12%) Tomcat
3 8 (11.76%) Node.js
4 7 (10.29%) CMS
4 7 (10.29%) lighttpd
4 7 (10.29%) IIS
5 4 (5.88%) Confluence
6 2 (2.94%) Elasticsearch
7 1 (1.47%) WebLogic Portal
7 1 (1.47%) WebLogic
Applications
1 1 (1.47%) MS Excel
1 1 (1.47%) Photoshop
Cloud Services
1 1 (1.47%) PaaS
1 1 (1.47%) Microsoft Azure
Communications & Networking
1 9 (13.24%) Internet
2 7 (10.29%) TCP/IP
3 2 (2.94%) HTTP
Database & Business Intelligence
1 13 (19.12%) NoSQL
2 12 (17.65%) Relational Database
3 11 (16.18%) MySQL
4 10 (14.71%) RDBMS
5 8 (11.76%) Couchbase
6 7 (10.29%) SQL Server
7 4 (5.88%) SQL Server 2012
8 1 (1.47%) Oracle Database
8 1 (1.47%) Azure SQL Database
8 1 (1.47%) SQL Server 2008
8 1 (1.47%) SQL Server Integration Services
8 1 (1.47%) SQL Server Reporting Services
8 1 (1.47%) Oracle Database 10g
Development Applications
1 24 (35.29%) Git (software)
2 23 (33.82%) Subversion
3 20 (29.41%) Ant
4 16 (23.53%) Selenium
5 14 (20.59%) Jenkins
6 13 (19.12%) Eclipse
7 12 (17.65%) JUnit
8 10 (14.71%) IntelliJ
8 10 (14.71%) Maven
8 10 (14.71%) Mockito
8 10 (14.71%) Cucumber
9 9 (13.24%) JIRA
10 7 (10.29%) Grunt
11 6 (8.82%) TeamCity
11 6 (8.82%) WATIR
11 6 (8.82%) Hudson
11 6 (8.82%) StyleCop
11 6 (8.82%) RSpec
11 6 (8.82%) Team Foundation Server
11 6 (8.82%) Capybara
General
1 19 (27.94%) Marketing
2 15 (22.06%) Finance
3 3 (4.41%) Retail
4 1 (1.47%) Advertising
Job Titles
1 60 (88.24%) Developer
2 19 (27.94%) .NET Developer
3 18 (26.47%) Java Developer
4 11 (16.18%) Front-End Developer
4 11 (16.18%) Senior Developer
5 10 (14.71%) C# Developer
6 8 (11.76%) C# .NET Developer
7 7 (10.29%) Senior Front-End Developer
8 5 (7.35%) Lead Developer
9 4 (5.88%) Software Developer
9 4 (5.88%) C# ASP.NET Developer
10 3 (4.41%) Agile .NET Developer
10 3 (4.41%) ASP.NET Developer
10 3 (4.41%) Architect
11 2 (2.94%) Solutions Architect
11 2 (2.94%) Programmer
11 2 (2.94%) Senior .NET Developer
11 2 (2.94%) Test Engineer
11 2 (2.94%) Java Software Developer
11 2 (2.94%) .NET Programmer
Libraries, Frameworks & Software Standards
1 34 (50.00%) CSS
2 32 (47.06%) .NET
3 30 (44.12%) HTML
4 29 (42.65%) REST
5 23 (33.82%) XML
6 18 (26.47%) ASP.NET
7 16 (23.53%) Web Services
7 16 (23.53%) Ajax
8 15 (22.06%) WCF
8 15 (22.06%) Spring
8 15 (22.06%) SOAP
9 13 (19.12%) JSP
10 12 (17.65%) .NET Framework
10 12 (17.65%) JSON
10 12 (17.65%) CSS3
10 12 (17.65%) HTML5
11 10 (14.71%) JDBC
12 9 (13.24%) LINQ
12 9 (13.24%) XSL
12 9 (13.24%) XSLT
Miscellaneous
1 8 (11.76%) User Experience
2 7 (10.29%) Analytical Skills
2 7 (10.29%) Open Source
3 2 (2.94%) EMV
4 1 (1.47%) Enterprise Software
4 1 (1.47%) PKI
4 1 (1.47%) Smartphone
Operating Systems
1 21 (30.88%) Linux
2 13 (19.12%) UNIX
3 1 (1.47%) Windows
Processes & Methodologies
1 64 (94.12%) Agile Software Development
2 56 (82.35%) BDD
3 39 (57.35%) Scrum
4 24 (35.29%) Continuous Integration
5 21 (30.88%) MVC
6 18 (26.47%) Unit Testing
6 18 (26.47%) OO
7 12 (17.65%) Waterfall
8 10 (14.71%) E-Commerce
8 10 (14.71%) OOP
8 10 (14.71%) Responsive Web Design
9 9 (13.24%) SOA
9 9 (13.24%) Code Coverage
10 8 (11.76%) Performance Testing
10 8 (11.76%) Pair Programming
10 8 (11.76%) DevOps
11 7 (10.29%) Web Design
11 7 (10.29%) Regression Testing
12 6 (8.82%) Web Development
13 4 (5.88%) Automated Testing
Programming Languages
1 35 (51.47%) JavaScript
2 24 (35.29%) C#
3 21 (30.88%) Java
4 19 (27.94%) SQL
5 9 (13.24%) Ruby
5 9 (13.24%) VBScript
6 2 (2.94%) Python
6 2 (2.94%) Scala
7 1 (1.47%) T-SQL
7 1 (1.47%) Perl
7 1 (1.47%) PHP
7 1 (1.47%) PL/SQL
Quality Assurance & Compliance
1 7 (10.29%) QA
Systems Management
1 2 (2.94%) SCOM
1 2 (2.94%) Business Desktop Deployment
Vendors
1 5 (7.35%) Microsoft
2 3 (4.41%) Oracle
3 2 (2.94%) Splunk
4 1 (1.47%) Adobe
4 1 (1.47%) BEA
Rickmansworth
Claremont Consulting Limited
Rate: £300 - £320 per day
Posted: 4 days ago
Welwyn Garden City, Hertfordshire
Vantage Recruitment Solutions Ltd
Rate: £350 per annum
Posted: 5 days ago