The table below looks at the statistics for TDD skills in IT contracts advertised for the East of England region. Included is a guide to the average contractor rates offered in IT contracts that have cited TDD over the 3 months to 31 March 2015 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
31 Mar 2015
Same period 2014 Same period 2013
Test-Driven Development (TDD)
Rank 50 49 36
Rank change year-on-year
-1 -13
Contract jobs citing TDD 89 104 103
As % of all contract IT jobs located in the East of England 3.34% 3.54% 4.40%
As % of the Processes & Methodologies category 4.48% 4.81% 6.39%
Number of daily rates quoted 42 65 73
Average daily rate
Keep up to 90%
of your Daily Rate
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£400 £375 £425
Average daily rate % change year-on-year
+6.66% -11.76%
90% offered a daily rate of more than £326 £300 £233
10% offered a daily rate of more than £450 £475 £650
UK excluding London average daily rate £375 £375 £350
% change year-on-year
- +7.14%
Number of hourly rates quoted 8 2 0
Average hourly rate £39.25 £45.00 -
Average hourly rate % change year-on-year
-12.77% -
UK excluding London average hourly rate £39.25 £40.50 £39.00
% change year-on-year
-3.08% +3.84%
TDD
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 East of England region.

Processes & Methodologies Category
East of England
Contract IT job ads with a match in the
Processes & Methodologies category
1985 2164 1613
As % of all contract IT jobs located in the East of England 74.46% 73.76% 68.96%
Number of daily rates quoted 1149 1236 894
Average daily rate £413 £400 £378
Average daily rate % change year-on-year
+3.12% +5.82%
90% offered a daily rate of more than £250 £263 £250
10% offered a daily rate of more than £575 £525 £513
UK excluding London average daily rate £396 £375 £363
% change year-on-year
+5.60% +3.44%
Number of hourly rates quoted 150 132 112
Average hourly rate £32.05 £32.50 £32.50
Average hourly rate % change year-on-year
-1.38% -
90% offered a hourly rate of more than £12.00 £11.50 £15.10
10% offered a hourly rate of more than £42.50 £40.30 £46.00
UK excluding London average hourly rate £30.20 £27.50 £32.00
% change year-on-year
+9.81% -14.06%

TDD
Jobs Demand Trend in the East of England

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

TDD Jobs Demand Trend in the East of England

TDD
Daily Rate Trend in the East of England

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

TDD Daily Rate Trend in the East of England

TDD
Daily Rate Histogram in the East of England

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the East of England region over the 3 months to 31 March 2015.

TDD Daily Rate Histogram in the East of England

TDD
Hourly Rate Trend in the East of England

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

TDD Hourly Rate Trend in the East of England

TDD
Hourly Rate Histogram in the East of England

This chart provides a histogram of hourly rates quoted in contract IT jobs citing TDD across the East of England region over the 3 months to 31 March 2015.

TDD Hourly Rate Histogram in the East of England

TDD
Contract Job Locations in the East of England

The table below looks at the demand and provides a guide to the average contractor rates quoted in IT jobs citing TDD within the East of England region over the 3 months to 31 March 2015. 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
Essex +10 37 £400 +6.66% 5
Cambridgeshire +3 35 £375 +9.09% 13
Suffolk 0 8 £400 +18.51% 8
Hertfordshire -4 8 £463 +12.12% 15
Norfolk - - - - 3
Bedfordshire - - - - 7
TDD
England

TDD
Top 30 Related IT Skills in the East of England

For the 6 months to 31 March 2015, IT contractor jobs across the East of England 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.

1 189 (78.42%) Agile Software Development
2 130 (53.94%) C#
3 115 (47.72%) .NET
4 98 (40.66%) XML
5 96 (39.83%) HTML
6 87 (36.10%) Java
7 81 (33.61%) CSS
8 80 (33.20%) JavaScript
9 79 (32.78%) SQL
10 75 (31.12%) Web Services
10 75 (31.12%) Scrum
11 71 (29.46%) E-Commerce
11 71 (29.46%) MVC
12 57 (23.65%) SOAP
13 55 (22.82%) OO
14 53 (21.99%) REST
15 52 (21.58%) Continuous Integration
16 49 (20.33%) BDD
17 46 (19.09%) HTML5
17 46 (19.09%) UNIX
17 46 (19.09%) Linux
18 43 (17.84%) Finance
19 40 (16.60%) J2EE
19 40 (16.60%) WCF
19 40 (16.60%) Relational Database
20 39 (16.18%) Continuous Delivery
21 33 (13.69%) .NET Framework
21 33 (13.69%) Oracle
21 33 (13.69%) SQL Server
22 31 (12.86%) XHTML

TDD
Top Related IT Skills in the East of England by Category

For the 6 months to 31 March 2015, IT contractor jobs across the East of England 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 (8.30%) JBoss
2 19 (7.88%) WebSphere
3 15 (6.22%) WebLogic
3 15 (6.22%) BizTalk Server
4 7 (2.90%) Apache
5 6 (2.49%) IIS
5 6 (2.49%) Confluence
6 3 (1.24%) Node.js
6 3 (1.24%) Tomcat
7 2 (0.83%) OpenStack
7 2 (0.83%) Elasticsearch
7 2 (0.83%) Mule
7 2 (0.83%) CMS
7 2 (0.83%) lighttpd
8 1 (0.41%) Sitecore CMS
8 1 (0.41%) nginx
8 1 (0.41%) Umbraco
8 1 (0.41%) Alfresco
8 1 (0.41%) SharePoint
8 1 (0.41%) WebLogic Portal
Applications
1 7 (2.90%) MS Excel
Business Applications
1 4 (1.66%) Oracle Payables
2 3 (1.24%) Magento
3 2 (0.83%) Dynamics CRM
4 1 (0.41%) Google Analytics
4 1 (0.41%) Tridion
Cloud Services
1 3 (1.24%) Microsoft Azure
1 3 (1.24%) Amazon AWS
2 2 (0.83%) Office 365
3 1 (0.41%) Amazon EC2
3 1 (0.41%) PaaS
Communications & Networking
1 19 (7.88%) LDAP
2 17 (7.05%) HTTP
3 6 (2.49%) Wireless
4 4 (1.66%) TCP/IP
5 3 (1.24%) Internet
5 3 (1.24%) RIP
6 2 (0.83%) Bluetooth
6 2 (0.83%) 802.15
6 2 (0.83%) ZigBee
7 1 (0.41%) Intranet
Database & Business Intelligence
1 40 (16.60%) Relational Database
2 33 (13.69%) SQL Server
3 27 (11.20%) MySQL
4 20 (8.30%) MariaDB
5 15 (6.22%) MongoDB
6 14 (5.81%) NoSQL
7 10 (4.15%) SQL Server 2012
8 8 (3.32%) Neo4j
9 6 (2.49%) SQL Server 2008
10 5 (2.07%) Data Warehouse
10 5 (2.07%) Couchbase
11 3 (1.24%) DB2
11 3 (1.24%) SQL Server 2000
11 3 (1.24%) DbVisualizer
12 2 (0.83%) CouchDB
12 2 (0.83%) Apache Cassandra
12 2 (0.83%) RDBMS
12 2 (0.83%) Oracle Database
13 1 (0.41%) Oracle Database 10g
13 1 (0.41%) PostgreSQL
Development Applications
1 25 (10.37%) Team Foundation Server
2 24 (9.96%) Ant
3 21 (8.71%) Eclipse
4 18 (7.47%) Git (software)
5 14 (5.81%) SoapUI
6 13 (5.39%) Visual Studio
7 12 (4.98%) Jasmine
7 12 (4.98%) Subversion
8 11 (4.56%) Jenkins
9 10 (4.15%) JUnit
9 10 (4.15%) JIRA
10 8 (3.32%) Selenium
11 5 (2.07%) AccuRev
11 5 (2.07%) SpecFlow
11 5 (2.07%) Cucumber
12 4 (1.66%) QUnit
12 4 (1.66%) Mocha
12 4 (1.66%) Maven
13 3 (1.24%) PHPUnit
13 3 (1.24%) Moq
General
1 43 (17.84%) Finance
2 21 (8.71%) Marketing
3 9 (3.73%) Banking
3 9 (3.73%) Manufacturing
4 7 (2.90%) Retail
5 4 (1.66%) Telecoms
6 2 (0.83%) Retail Banking
6 2 (0.83%) Advertising
7 1 (0.41%) Financial Institution
7 1 (0.41%) Front Office
7 1 (0.41%) Back Office
Job Titles
1 194 (80.50%) Developer
2 71 (29.46%) C# Developer
3 70 (29.05%) .NET Developer
4 66 (27.39%) Java Developer
5 55 (22.82%) C# .NET Developer
6 31 (12.86%) Senior Developer
7 23 (9.54%) Java/J2EE Developer
8 20 (8.30%) Agile C# Developer
9 19 (7.88%) Senior C# Developer
10 18 (7.47%) Senior .NET Developer
11 16 (6.64%) Agile .NET Developer
12 15 (6.22%) BizTalk Developer
13 9 (3.73%) Agile Coach
14 8 (3.32%) Architect
15 7 (2.90%) Software Developer
16 6 (2.49%) J2EE Developer
17 5 (2.07%) Data Warehouse Developer
17 5 (2.07%) Tester
17 5 (2.07%) Project Manager
17 5 (2.07%) Analyst
Libraries, Frameworks & Software Standards
1 115 (47.72%) .NET
2 98 (40.66%) XML
3 96 (39.83%) HTML
4 81 (33.61%) CSS
5 75 (31.12%) Web Services
6 57 (23.65%) SOAP
7 53 (21.99%) REST
8 46 (19.09%) HTML5
9 40 (16.60%) WCF
9 40 (16.60%) J2EE
10 33 (13.69%) .NET Framework
11 31 (12.86%) Spring
11 31 (12.86%) XHTML
12 30 (12.45%) ASP.NET
13 29 (12.03%) Hibernate
14 27 (11.20%) TopLink
15 26 (10.79%) Ajax
16 25 (10.37%) JAX-RS
17 24 (9.96%) XSLT
18 20 (8.30%) Spring MVC
Miscellaneous
1 24 (9.96%) Enterprise Software
2 18 (7.47%) Analytical Skills
3 14 (5.81%) Visualisation
4 6 (2.49%) Mobile App
5 5 (2.07%) Open Source
6 4 (1.66%) Computer Science
7 3 (1.24%) DataPower
7 3 (1.24%) Online Banking
7 3 (1.24%) Management Information System
8 2 (0.83%) Clustering
8 2 (0.83%) EMV
8 2 (0.83%) Data Structures
8 2 (0.83%) Algorithms
9 1 (0.41%) User Experience
9 1 (0.41%) Web 2.0
9 1 (0.41%) N-Tier
9 1 (0.41%) MPEG
Operating Systems
1 46 (19.09%) Linux
1 46 (19.09%) UNIX
2 26 (10.79%) Windows
3 20 (8.30%) Mac OS X
4 18 (7.47%) Solaris
5 4 (1.66%) Apple iOS
6 2 (0.83%) Android
7 1 (0.41%) Debian
7 1 (0.41%) Ubuntu
Processes & Methodologies
1 189 (78.42%) Agile Software Development
2 75 (31.12%) Scrum
3 71 (29.46%) MVC
3 71 (29.46%) E-Commerce
4 55 (22.82%) OO
5 52 (21.58%) Continuous Integration
6 49 (20.33%) BDD
7 39 (16.18%) Continuous Delivery
8 29 (12.03%) SOA
9 27 (11.20%) User Stories
10 24 (9.96%) Web Development
11 23 (9.54%) Pair Programming
12 21 (8.71%) Test Automation
13 20 (8.30%) Content Management
14 19 (7.88%) Configuration Management
15 17 (7.05%) Responsive Web Design
15 17 (7.05%) Use Case
15 17 (7.05%) Digital Marketing
15 17 (7.05%) Mentoring
16 16 (6.64%) Web Design
Programming Languages
1 130 (53.94%) C#
2 87 (36.10%) Java
3 80 (33.20%) JavaScript
4 79 (32.78%) SQL
5 21 (8.71%) PL/SQL
6 18 (7.47%) Ruby
7 6 (2.49%) Python
7 6 (2.49%) VBScript
7 6 (2.49%) PHP
8 5 (2.07%) VBA
9 4 (1.66%) Objective-C
9 4 (1.66%) Scala
10 2 (0.83%) VB
10 2 (0.83%) Embedded C
10 2 (0.83%) C
11 1 (0.41%) T-SQL
11 1 (0.41%) Perl
11 1 (0.41%) C++
11 1 (0.41%) Delphi
11 1 (0.41%) Shell Script
Qualifications
1 8 (3.32%) Degree
2 2 (0.83%) Security Cleared
3 1 (0.41%) ISTQB Foundation Certification
3 1 (0.41%) MCP
3 1 (0.41%) ISEB
3 1 (0.41%) Microsoft Certification
3 1 (0.41%) Sun Certification
3 1 (0.41%) ISTQB
Quality Assurance & Compliance
1 14 (5.81%) QA
2 1 (0.41%) SLA
System Software
1 2 (0.83%) Firmware
2 1 (0.41%) Docker
Systems Management
1 3 (1.24%) Opscode Chef
2 2 (0.83%) Business Desktop Deployment
2 2 (0.83%) SCOM
3 1 (0.41%) Puppet
Vendors
1 33 (13.69%) Oracle
2 22 (9.13%) IBM
3 12 (4.98%) Microsoft
4 4 (1.66%) CheckPoint
5 2 (0.83%) Perforce
5 2 (0.83%) Intel
5 2 (0.83%) Google
5 2 (0.83%) Splunk
5 2 (0.83%) Rackspace
6 1 (0.41%) ForgeRock
6 1 (0.41%) Zend
6 1 (0.41%) Sitecore
6 1 (0.41%) BEA
6 1 (0.41%) FatWire
6 1 (0.41%) Omniture
6 1 (0.41%) Macromedia
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