The table below looks at the statistics for TDD skills in IT contracts advertised across the UK. Included is a guide to the average contractor rates offered in IT contracts that have cited TDD over the 3 months to 21 April 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
21 Apr 2015
Same period 2014 Same period 2013
Test-Driven Development (TDD)
Rank 41 44 49
Rank change year-on-year
+3 +5
Contract jobs citing TDD 2510 2390 1717
As % of all contract IT jobs located in the UK 4.48% 4.25% 3.60%
As % of the Processes & Methodologies category 5.87% 5.69% 4.89%
Number of daily rates quoted 1886 1762 1260
Average daily rate
Keep up to 90%
of your Daily Rate
Get a Free Illustration
£425 £413 £415
Average daily rate % change year-on-year
+3.03% -0.60%
90% offered a daily rate of more than £325 £300 £300
10% offered a daily rate of more than £575 £550 £575
UK excluding London average daily rate £375 £375 £350
% change year-on-year
- +7.14%
Number of hourly rates quoted 12 16 9
Average hourly rate £39.25 £43.75 £37.50
Average hourly rate % change year-on-year
-10.28% +16.66%
90% offered a hourly rate of more than £32.55 £35.60 £32.90
10% offered a hourly rate of more than £44.75 £71.00 £39.20
UK excluding London average hourly rate £39.25 £45.00 £37.50
% change year-on-year
-12.77% +20.00%

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

Processes & Methodologies Category
UK
Contract IT job ads with a match in the
Processes & Methodologies category
42744 42016 35128
As % of all contract IT jobs located in the UK 76.36% 74.77% 73.60%
Number of daily rates quoted 26677 26116 20973
Average daily rate £415 £400 £405
Average daily rate % change year-on-year
+3.75% -1.23%
90% offered a daily rate of more than £280 £275 £275
10% offered a daily rate of more than £575 £563 £575
UK excluding London average daily rate £393 £375 £361
% change year-on-year
+4.66% +3.87%
Number of hourly rates quoted 1227 1185 1074
Average hourly rate £30.00 £27.94 £32.00
Average hourly rate % change year-on-year
+7.38% -12.69%
90% offered a hourly rate of more than £12.21 £12.39 £13.50
10% offered a hourly rate of more than £47.50 £52.50 £54.00
UK excluding London average hourly rate £31.44 £29.75 £32.00
% change year-on-year
+5.68% -7.03%

TDD
Jobs Demand Trend

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

TDD Jobs Demand Trend in the UK

TDD
Daily Rate Trend

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

TDD Daily Rate Trend in the UK

TDD
Daily Rate Histogram

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD within the UK over the 3 months to 21 April 2015.

TDD Daily Rate Histogram in the UK

TDD
Hourly Rate Trend

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

TDD Hourly Rate Trend in the UK

TDD
Hourly Rate Histogram

This chart provides a histogram of hourly rates quoted in contract IT jobs citing TDD within the UK over the 3 months to 21 April 2015.

TDD Hourly Rate Histogram in the UK

TDD
Top 30 Contract Locations

The table below looks at the demand and provides a guide to the average contractor rates quoted in IT jobs citing TDD within the UK over the 3 months to 21 April 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
England +1 2340 £425 +5.98% 1088
London -1 1425 £450 +5.88% 524
City of London -1 369 £475 +5.55% 146
South East +28 303 £388 +6.01% 157
Yorkshire +25 166 £375 +15.38% 60
North West -4 135 £375 - 113
West Yorkshire +14 119 £400 +25.98% 38
Leeds +5 107 £400 +26.98% 28
Hampshire +36 99 £375 +25.00% 35
East of England -3 98 £400 +6.66% 68
Scotland +4 87 £381 +1.66% 35
Berkshire +25 75 £400 +14.28% 28
South West +3 75 £375 -6.25% 80
Manchester +1 73 £350 -5.08% 71
Wales -1 64 £400 -11.11% 12
East Midlands +26 63 £400 +6.66% 29
West Midlands +12 60 £325 -13.33% 41
South Wales +3 51 £381 -15.27% 10
Cheshire -9 46 £375 +3.44% 31
Southampton +18 42 £363 +20.83% 10
Essex +10 42 £400 +6.66% 9
Edinburgh +5 39 £394 +5.00% 9
Surrey +11 37 £400 +3.96% 22
Cambridgeshire +6 37 £375 +15.38% 25
Reading +16 36 £400 +10.34% 8
Newport -6 32 £350 -22.22% 1
Gloucestershire +13 30 £400 -5.88% 9
North Yorkshire +7 27 £340 +4.61% 8
Buckinghamshire -19 27 £350 -7.89% 11
Glasgow -2 26 £388 -6.06% 19

TDD
Top 30 Related IT Skills

For the 6 months to 21 April 2015, IT contractor jobs within the UK 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 3836 (78.19%) Agile Software Development
2 2169 (44.21%) Java
3 1922 (39.18%) JavaScript
4 1827 (37.24%) Scrum
5 1768 (36.04%) HTML
6 1745 (35.57%) BDD
7 1438 (29.31%) CSS
8 1424 (29.03%) C#
9 1395 (28.43%) .NET
10 1183 (24.11%) MVC
11 1120 (22.83%) Continuous Integration
12 1053 (21.46%) OO
13 1019 (20.77%) Web Services
14 991 (20.20%) SQL
15 913 (18.61%) HTML5
16 813 (16.57%) jQuery
17 799 (16.29%) Git (software)
18 767 (15.63%) AngularJS
19 749 (15.27%) SQL Server
20 711 (14.49%) XML
21 673 (13.72%) Spring
22 665 (13.55%) Finance
23 661 (13.47%) ASP.NET
24 660 (13.45%) CSS3
25 640 (13.05%) REST
26 630 (12.84%) RESTful
27 627 (12.78%) Linux
28 518 (10.56%) Software Engineering
29 506 (10.31%) E-Commerce
30 501 (10.21%) Subversion

TDD
Top Related IT Skills by Category

For the 6 months to 21 April 2015, IT contractor jobs within the UK 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
1 432 (8.81%) Node.js
2 198 (4.04%) CMS
3 188 (3.83%) Apache
4 170 (3.47%) Tomcat
5 152 (3.10%) JBoss
6 98 (2.00%) WebLogic
6 98 (2.00%) WebSphere
7 84 (1.71%) Elasticsearch
8 70 (1.43%) SharePoint
9 65 (1.32%) Confluence
10 60 (1.22%) IIS
10 60 (1.22%) Umbraco
11 53 (1.08%) BizTalk Server
11 53 (1.08%) Sitecore CMS
12 51 (1.04%) Adobe CQ
13 44 (0.90%) Kentico
14 43 (0.88%) Mule
15 32 (0.65%) nginx
16 29 (0.59%) Mule ESB
17 27 (0.55%) Apache Spark
Applications
1 108 (2.20%) MS Excel
2 11 (0.22%) Mingle
3 10 (0.20%) MS Project
4 9 (0.18%) MS Office
4 9 (0.18%) MS Visio
5 4 (0.082%) Photoshop
6 2 (0.041%) MS PowerPoint
6 2 (0.041%) InfoPath
6 2 (0.041%) Spreadsheet
7 1 (0.020%) FastStats
7 1 (0.020%) Simulink
7 1 (0.020%) Adobe Illustrator
7 1 (0.020%) PowerPivot
Business Applications
1 44 (0.90%) Dynamics CRM
2 25 (0.51%) SAP Oil and Gas
3 22 (0.45%) Magento
4 18 (0.37%) ION MarketView
5 12 (0.24%) Oracle BPM
6 11 (0.22%) Dynamics AX
7 9 (0.18%) Google Analytics
8 8 (0.16%) Oracle 11i
9 6 (0.12%) Cognos Business Intelligence
10 3 (0.061%) RMDS
11 2 (0.041%) Markit EDM
11 2 (0.041%) IntelliMatch
12 1 (0.020%) Oracle Cash Management
12 1 (0.020%) BigMachines
12 1 (0.020%) Misys Midas
12 1 (0.020%) Tridion
12 1 (0.020%) WebTrends
12 1 (0.020%) BusinessWorks
12 1 (0.020%) Oracle Applications
12 1 (0.020%) Summit
Cloud Services
1 260 (5.30%) Amazon AWS
2 138 (2.81%) Microsoft Azure
3 54 (1.10%) Amazon EC2
4 38 (0.77%) GitHub
5 36 (0.73%) Amazon S3
6 32 (0.65%) SaaS
7 27 (0.55%) Cloud Computing
8 23 (0.47%) AWS CloudFormation
9 22 (0.45%) Heroku
10 20 (0.41%) Amazon SQS
11 16 (0.33%) Amazon CloudWatch
12 12 (0.24%) Amazon ElastiCache
13 11 (0.22%) Google Cloud Platform
13 11 (0.22%) Virtual Private Cloud
14 7 (0.14%) OpenShift
14 7 (0.14%) PaaS
15 6 (0.12%) Office 365
16 5 (0.10%) IaaS
17 4 (0.082%) Trello
17 4 (0.082%) Force.com
Communications & Networking
1 217 (4.42%) HTTP
2 156 (3.18%) Internet
3 34 (0.69%) Firewall
3 34 (0.69%) AMQP
4 22 (0.45%) TCP/IP
5 17 (0.35%) SSL
6 15 (0.31%) LDAP
7 10 (0.20%) Intranet
8 8 (0.16%) VPN
9 7 (0.14%) Ethernet
9 7 (0.14%) SNMP
9 7 (0.14%) MPLS
10 6 (0.12%) SDH
10 6 (0.12%) Wireless
10 6 (0.12%) Skype
11 5 (0.10%) DVB
11 5 (0.10%) HTTPS
12 4 (0.082%) OpenLDAP
13 3 (0.061%) Reverse Proxy
13 3 (0.061%) Wireshark
Database & Business Intelligence
1 749 (15.27%) SQL Server
2 361 (7.36%) Relational Database
3 353 (7.20%) MongoDB
4 333 (6.79%) NoSQL
5 252 (5.14%) MySQL
6 170 (3.47%) SQL Server 2008
6 170 (3.47%) Big Data
7 157 (3.20%) PostgreSQL
8 150 (3.06%) Hadoop
9 125 (2.55%) RDBMS
10 111 (2.26%) Oracle Database
11 100 (2.04%) SQL Server 2012
12 94 (1.92%) Apache Cassandra
13 81 (1.65%) SQL Server Integration Services
14 74 (1.51%) SQL Server 2005
15 68 (1.39%) Data Warehouse
16 67 (1.37%) Redis
17 57 (1.16%) SQL Server Reporting Services
18 51 (1.04%) Couchbase
19 45 (0.92%) DB2
Development Applications
1 799 (16.29%) Git (software)
2 501 (10.21%) Subversion
3 498 (10.15%) Cucumber
4 460 (9.38%) Selenium
5 413 (8.42%) JUnit
6 385 (7.85%) Jenkins
7 335 (6.83%) Maven
8 243 (4.95%) Jasmine
9 229 (4.67%) Team Foundation Server
10 224 (4.57%) NUnit
11 207 (4.22%) JIRA
12 205 (4.18%) Grunt
13 200 (4.08%) Visual Studio
14 181 (3.69%) Mockito
15 180 (3.67%) Eclipse
16 137 (2.79%) WebDriver
17 131 (2.67%) Ant
18 129 (2.63%) TeamCity
19 119 (2.43%) SpecFlow
20 107 (2.18%) Hudson
General
1 665 (13.55%) Finance
2 386 (7.87%) Banking
3 242 (4.93%) Front Office
4 216 (4.40%) Investment Banking
5 142 (2.89%) Games
6 122 (2.49%) Retail
7 91 (1.85%) Publishing
8 81 (1.65%) Marketing
9 77 (1.57%) Telecoms
10 43 (0.88%) Manufacturing
11 37 (0.75%) Back Office
12 34 (0.69%) Advertising
13 32 (0.65%) Electronics
14 21 (0.43%) Financial Institution
15 13 (0.26%) Legal
16 10 (0.20%) Law
17 7 (0.14%) Music Industry
18 6 (0.12%) Automotive
19 5 (0.10%) Multimedia
20 4 (0.082%) Retail Banking
Job Titles
1 3762 (76.68%) Developer
2 1142 (23.28%) Java Developer
3 658 (13.41%) .NET Developer
4 581 (11.84%) Senior Developer
5 508 (10.35%) C# Developer
6 254 (5.18%) C# .NET Developer
7 227 (4.63%) JavaScript Developer
8 217 (4.42%) Front-End Developer
9 212 (4.32%) Senior Java Developer
10 202 (4.12%) Analyst
11 184 (3.75%) Web Developer
12 170 (3.47%) Architect
13 130 (2.65%) PHP Developer
14 118 (2.41%) Tester
15 112 (2.28%) Android Developer
16 108 (2.20%) Scala Developer
17 104 (2.12%) iOS Developer
17 104 (2.12%) Test Analyst
18 102 (2.08%) Software Engineer
19 98 (2.00%) Senior .NET Developer
Libraries, Frameworks & Software Standards
1 1768 (36.04%) HTML
2 1438 (29.31%) CSS
3 1395 (28.43%) .NET
4 1019 (20.77%) Web Services
5 913 (18.61%) HTML5
6 813 (16.57%) jQuery
7 767 (15.63%) AngularJS
8 711 (14.49%) XML
9 673 (13.72%) Spring
10 661 (13.47%) ASP.NET
11 660 (13.45%) CSS3
12 640 (13.05%) REST
13 630 (12.84%) RESTful
14 479 (9.76%) JSON
15 453 (9.23%) .NET Framework
16 444 (9.05%) ASP.NET MVC
17 431 (8.79%) Hibernate
18 430 (8.76%) J2EE
19 407 (8.30%) SOAP
20 406 (8.28%) WCF
Miscellaneous
1 353 (7.20%) Open Source
2 254 (5.18%) User Experience
3 186 (3.79%) Mobile App
4 173 (3.53%) Analytical Skills
5 153 (3.12%) Computer Science
6 133 (2.71%) Derivative
7 85 (1.73%) Digital Media
8 78 (1.59%) Enterprise Software
8 78 (1.59%) Fixed Income
9 72 (1.47%) Foreign Exchange (FX)
10 71 (1.45%) Equity Derivative
11 70 (1.43%) Algorithms
12 62 (1.26%) N-Tier
13 59 (1.20%) Inversion of Control
14 56 (1.14%) Client/Server
15 54 (1.10%) iPad
15 54 (1.10%) Data Structures
16 52 (1.06%) Social Media
17 47 (0.96%) iPhone
18 45 (0.92%) Visualisation
Operating Systems
1 627 (12.78%) Linux
2 341 (6.95%) UNIX
3 242 (4.93%) Windows
4 217 (4.42%) Android
5 206 (4.20%) Apple iOS
6 88 (1.79%) Mac OS X
7 27 (0.55%) Red Hat Enterprise Linux
8 21 (0.43%) CentOS
8 21 (0.43%) Windows Phone
9 18 (0.37%) Solaris
10 10 (0.20%) Windows Mobile
10 10 (0.20%) Windows Phone 8
11 8 (0.16%) Windows Server 2008
12 7 (0.14%) AIX
12 7 (0.14%) Mac OS
12 7 (0.14%) Windows 7
13 6 (0.12%) Windows Vista
13 6 (0.12%) Windows Server 2012
13 6 (0.12%) Windows XP
14 4 (0.082%) Ubuntu
Processes & Methodologies
1 3836 (78.19%) Agile Software Development
2 1827 (37.24%) Scrum
3 1745 (35.57%) BDD
4 1183 (24.11%) MVC
5 1120 (22.83%) Continuous Integration
6 1053 (21.46%) OO
7 518 (10.56%) Software Engineering
8 506 (10.31%) E-Commerce
9 437 (8.91%) Unit Testing
10 418 (8.52%) Kanban
11 408 (8.32%) Pair Programming
12 383 (7.81%) SOA
13 370 (7.54%) Web Development
14 323 (6.58%) Test Automation
15 313 (6.38%) Responsive Web Design
16 310 (6.32%) OOP
17 280 (5.71%) User Stories
18 265 (5.40%) Multithreading
19 232 (4.73%) Mentoring
20 213 (4.34%) DevOps
Programming Languages
1 2169 (44.21%) Java
2 1922 (39.18%) JavaScript
3 1424 (29.03%) C#
4 991 (20.20%) SQL
5 457 (9.32%) Ruby
6 335 (6.83%) Python
7 309 (6.30%) PHP
8 298 (6.07%) Scala
9 171 (3.49%) C++
10 144 (2.94%) T-SQL
11 121 (2.47%) Objective-C
12 115 (2.34%) PL/SQL
13 112 (2.28%) Groovy
14 78 (1.59%) Perl
15 68 (1.39%) C
16 54 (1.10%) Bash Shell
17 53 (1.08%) VB.NET
18 47 (0.96%) XPath
19 46 (0.94%) VB
20 43 (0.88%) VBA
Qualifications
1 325 (6.62%) Degree
2 148 (3.02%) Security Cleared
3 91 (1.85%) ISEB
4 64 (1.30%) SC Cleared
5 32 (0.65%) ISTQB
6 31 (0.63%) DV Cleared
7 30 (0.61%) ISTQB Foundation Certification
8 20 (0.41%) Microsoft Certification
9 18 (0.37%) HND
10 8 (0.16%) Sun Certification
11 7 (0.14%) MCITP
12 6 (0.12%) MCAD
12 6 (0.12%) MCSD
12 6 (0.12%) CTC Cleared
13 5 (0.10%) MCPD
14 4 (0.082%) PRINCE2 Practitioner
14 4 (0.082%) PMP
14 4 (0.082%) PMI Certification
15 2 (0.041%) PRINCE2 Certification
15 2 (0.041%) BC Cleared
Quality Assurance & Compliance
1 338 (6.89%) QA
2 9 (0.18%) ISO/IEC 27001
3 8 (0.16%) ISO 9001
4 7 (0.14%) EMIR
5 6 (0.12%) SLA
6 3 (0.061%) PCI DSS
6 3 (0.061%) Dodd-Frank
7 2 (0.041%) Basel III
7 2 (0.041%) HL7
7 2 (0.041%) WAI
8 1 (0.020%) JTAG
8 1 (0.020%) Data Quality
System Software
1 47 (0.96%) Docker
2 35 (0.71%) Varnish
3 27 (0.55%) VMware Infrastructure
4 12 (0.24%) VirtualBox
5 9 (0.18%) vCloud
6 8 (0.16%) HDFS
7 7 (0.14%) Apache Flume
7 7 (0.14%) Apache ZooKeeper
8 5 (0.10%) Active Directory
9 4 (0.082%) vSphere
10 2 (0.041%) GridGain
10 2 (0.041%) Firmware
10 2 (0.041%) Terminal Services
10 2 (0.041%) Squid
10 2 (0.041%) XenApp
10 2 (0.041%) XenDesktop
11 1 (0.020%) VMware ESXi
Systems Management
1 149 (3.04%) Puppet
2 93 (1.90%) Opscode Chef
3 51 (1.04%) Ansible
4 49 (1.00%) Vagrant
5 27 (0.55%) Salt
6 21 (0.43%) yum
7 17 (0.35%) Graylog
8 13 (0.26%) logstash
8 13 (0.26%) HP Quality Center
9 10 (0.20%) Oracle Identity Management
10 9 (0.18%) Kibana
11 8 (0.16%) ZABBIX
11 8 (0.16%) Control-M
12 7 (0.14%) Capistrano
13 6 (0.12%) OpenIDM
14 5 (0.10%) HAProxy
14 5 (0.10%) Mesos
15 3 (0.061%) Hyperic
15 3 (0.061%) Oozie
16 2 (0.041%) Nagios
Vendors
1 474 (9.66%) Oracle
2 385 (7.85%) Microsoft
3 76 (1.55%) Google
4 74 (1.51%) Sitecore
5 70 (1.43%) Sybase
6 59 (1.20%) IBM
7 56 (1.14%) Zend
8 55 (1.12%) Red Hat
9 54 (1.10%) EPiServer
10 52 (1.06%) TIBCO
11 48 (0.98%) Adobe
12 36 (0.73%) Apple
13 34 (0.69%) SAP
13 34 (0.69%) VMware
13 34 (0.69%) Twitter
14 31 (0.63%) hybris
15 30 (0.61%) Perforce
16 29 (0.59%) Atlassian
17 28 (0.57%) ATG
18 26 (0.53%) ION Trading
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Rate: £400 - £450 per day
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Rate: From £350 to £400 per day
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Rate: £425 - £475 per day
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Haybrook IT Resourcing Ltd
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Hampshire
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Rate: £450 - £500 per day
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E-synergy Solutions
Rate: £450 - £475 per day
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Manchester, Lancashire
Rullion IT Plus
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Lorien Resourcing
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Rate: From £450 to £500 per day
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Blue Personnel
Rate: From £400 to £450 per hour
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People Source Consulting
Rate: £350 - £450 per day
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Rate: £550 - £585 per day
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ReThink Recruitment
Rate: £375 - £400 per day
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