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 October 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
21 Oct 2014
Same period 2013 Same period 2012
Test-Driven Development (TDD)
Rank 35 41 48
Rank change year-on-year
+6 +7
Contract jobs citing TDD 2725 2229 1977
As % of all contract IT jobs located in the UK 4.68% 4.24% 3.54%
As % of the Processes & Methodologies category 6.35% 5.73% 4.91%
Number of daily rates quoted 2054 1694 1451
Average daily rate
Keep up to 90%
of your Daily Rate
Get a Free Illustration
£420 £400 £400
Average daily rate % change year-on-year
+5.00% -
90% offered a daily rate of more than £320 £300 £300
10% offered a daily rate of more than £575 £550 £585
UK excluding London average daily rate £375 £350 £350
% change year-on-year
+7.14% -
Number of hourly rates quoted 16 19 11
Average hourly rate £36.25 £33.00 £30.00
Average hourly rate % change year-on-year
+9.84% +10.00%
90% offered a hourly rate of more than £30.00 £30.00 £22.50
10% offered a hourly rate of more than £71.00 £50.00 £40.00
UK excluding London average hourly rate £35.00 £33.00 £30.00
% change year-on-year
+6.06% +10.00%

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
42898 38918 40274
As % of all contract IT jobs located in the UK 73.68% 74.04% 72.08%
Number of daily rates quoted 27476 24169 23477
Average daily rate £413 £400 £400
Average daily rate % change year-on-year
+3.12% -
90% offered a daily rate of more than £275 £275 £270
10% offered a daily rate of more than £575 £575 £575
UK excluding London average daily rate £375 £363 £370
% change year-on-year
+3.44% -2.02%
Number of hourly rates quoted 1194 1150 1496
Average hourly rate £25.00 £26.60 £30.00
Average hourly rate % change year-on-year
-6.01% -11.33%
90% offered a hourly rate of more than £12.00 £12.50 £12.50
10% offered a hourly rate of more than £50.00 £45.00 £47.18
UK excluding London average hourly rate £25.00 £29.00 £27.50
% change year-on-year
-13.79% +5.45%

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 October 2014.

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 October 2014.

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 October 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
England +5 2484 £425 +6.25% 941
London +4 1666 £438 +2.94% 444
City of London +5 345 £450 -5.26% 145
South East +9 267 £350 -3.11% 159
East of England -7 160 £405 +8.00% 52
Scotland +13 108 £375 +0.67% 35
North West -16 107 £350 +9.37% 106
Wales +32 93 £375 +11.11% 16
Yorkshire -2 90 £375 +19.04% 61
Manchester +4 77 £350 +7.69% 56
South West -24 70 £356 +34.43% 50
West Midlands +25 61 £370 +23.12% 26
Hampshire +5 59 £338 -15.62% 49
South Wales +25 56 £350 +3.70% 13
West Yorkshire -11 54 £375 +25.00% 32
Edinburgh +15 52 £375 - 10
Hertfordshire +17 49 £405 -4.70% 18
Berkshire +28 48 £332 -3.91% 20
Leeds -7 46 £388 +29.16% 23
Oxfordshire +26 43 £350 -18.84% 13
Glasgow +17 42 £400 +4.57% 17
Essex 0 40 £425 +17.24% 3
East Midlands -32 39 £375 +13.20% 20
Southampton +18 38 £335 -6.94% 9
Bristol -26 37 £375 +36.36% 12
Buckinghamshire -22 36 £415 +3.75% 19
Cardiff +16 31 £375 +7.14% 7
Cambridgeshire -20 31 £450 +2.27% 19
Milton Keynes -25 28 £418 +4.37% 13
Kent +5 25 £350 -9.67% 20

TDD
Top 30 Related IT Skills

For the 6 months to 21 October 2014, 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 4133 (79.01%) Agile Software Development
2 2112 (40.37%) Java
3 1944 (37.16%) Scrum
4 1929 (36.88%) BDD
5 1893 (36.19%) JavaScript
6 1739 (33.24%) HTML
7 1634 (31.24%) C#
8 1521 (29.08%) .NET
9 1436 (27.45%) CSS
10 1352 (25.85%) MVC
11 1303 (24.91%) Continuous Integration
12 1157 (22.12%) OO
13 1099 (21.01%) SQL
14 1079 (20.63%) Web Services
15 906 (17.32%) HTML5
16 889 (16.99%) XML
17 846 (16.17%) Spring
18 808 (15.45%) jQuery
19 793 (15.16%) SQL Server
20 785 (15.01%) ASP.NET
21 725 (13.86%) Finance
22 707 (13.52%) Git (software)
23 671 (12.83%) Linux
24 627 (11.99%) AngularJS
25 615 (11.76%) Ruby
26 612 (11.70%) CSS3
27 572 (10.93%) RESTful
28 556 (10.63%) Subversion
29 540 (10.32%) Selenium
30 536 (10.25%) E-Commerce

TDD
Top Related IT Skills by Category

For the 6 months to 21 October 2014, 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
1 341 (6.52%) Node.js
2 244 (4.66%) CMS
3 225 (4.30%) Apache
4 200 (3.82%) JBoss
5 180 (3.44%) Tomcat
6 103 (1.97%) SharePoint
7 94 (1.80%) WebLogic
8 86 (1.64%) Elasticsearch
9 82 (1.57%) Confluence
10 73 (1.40%) WebSphere
11 72 (1.38%) IIS
12 62 (1.19%) Umbraco
13 57 (1.09%) Apache Solr
14 53 (1.01%) Sitecore CMS
15 49 (0.94%) BizTalk Server
16 47 (0.90%) Adobe CQ
17 36 (0.69%) FileNet
18 35 (0.67%) nginx
19 29 (0.55%) Drupal
20 28 (0.54%) Apache Spark
Applications
1 154 (2.94%) MS Excel
2 34 (0.65%) Photoshop
3 21 (0.40%) MS Visio
4 19 (0.36%) Adobe Illustrator
5 11 (0.21%) MS Office
6 8 (0.15%) MS Project
7 4 (0.076%) Spreadsheet
8 2 (0.038%) Mingle
8 2 (0.038%) MS PowerPoint
8 2 (0.038%) InfoPath
9 1 (0.019%) SPSS
9 1 (0.019%) Fireworks
9 1 (0.019%) PowerPivot
9 1 (0.019%) FastStats
Business Applications
1 63 (1.20%) Dynamics CRM
2 24 (0.46%) SAP Oil and Gas
3 16 (0.31%) RMDS
4 14 (0.27%) ION MarketView
5 13 (0.25%) Oracle BPM
6 11 (0.21%) Oracle Applications
6 11 (0.21%) Google Analytics
7 10 (0.19%) Magento
7 10 (0.19%) IntelliMatch
8 7 (0.13%) Oracle Payables
8 7 (0.13%) BusinessWorks
9 6 (0.11%) Advent Portfolio Exchange
10 4 (0.076%) Markit EDM
11 2 (0.038%) Endur
11 2 (0.038%) Oracle Financials
12 1 (0.019%) Oracle EBS
12 1 (0.019%) SAP CRM
12 1 (0.019%) Oracle Payroll
12 1 (0.019%) Summit
12 1 (0.019%) Cordys
Cloud Services
1 119 (2.27%) Amazon AWS
2 105 (2.01%) Microsoft Azure
3 64 (1.22%) Amazon EC2
4 53 (1.01%) GitHub
5 48 (0.92%) Cloud Computing
6 40 (0.76%) Amazon S3
7 27 (0.52%) SaaS
8 25 (0.48%) PaaS
9 19 (0.36%) Heroku
10 12 (0.23%) Amazon SQS
11 11 (0.21%) Joyent
12 8 (0.15%) IaaS
13 4 (0.076%) Route 53
14 3 (0.057%) Google App Engine
14 3 (0.057%) Office 365
14 3 (0.057%) Force.com
14 3 (0.057%) Google Compute Engine
15 2 (0.038%) AWS Data Pipeline
16 1 (0.019%) Amazon ElastiCache
16 1 (0.019%) ElastiCache
Communications & Networking
1 228 (4.36%) HTTP
2 144 (2.75%) Internet
3 43 (0.82%) LDAP
4 38 (0.73%) TCP/IP
5 25 (0.48%) AMQP
6 19 (0.36%) Intranet
7 16 (0.31%) SSL
8 15 (0.29%) DNS
9 14 (0.27%) VoIP
10 13 (0.25%) SSH
11 12 (0.23%) SNMP
12 11 (0.21%) MVNO
13 6 (0.11%) Wireshark
13 6 (0.11%) HTTPS
14 5 (0.096%) SMTP
14 5 (0.096%) ZigBee
14 5 (0.096%) Reverse Proxy
14 5 (0.096%) DVB
15 4 (0.076%) DAB
15 4 (0.076%) WAN
Database & Business Intelligence
1 793 (15.16%) SQL Server
2 481 (9.20%) MySQL
3 392 (7.49%) NoSQL
4 375 (7.17%) MongoDB
5 329 (6.29%) Relational Database
6 179 (3.42%) SQL Server 2008
7 175 (3.35%) Apache Cassandra
8 137 (2.62%) RDBMS
9 131 (2.50%) PostgreSQL
10 123 (2.35%) Big Data
11 113 (2.16%) Oracle Database
12 96 (1.84%) Redis
13 89 (1.70%) SQL Server Reporting Services
14 88 (1.68%) Hadoop
15 86 (1.64%) SQL Server 2012
16 74 (1.41%) SQL Server Integration Services
17 62 (1.19%) CouchDB
18 53 (1.01%) SQL Server 2005
19 42 (0.80%) Data Warehouse
20 40 (0.76%) RavenDB
Development Applications
1 707 (13.52%) Git (software)
2 556 (10.63%) Subversion
3 540 (10.32%) Selenium
4 516 (9.86%) Cucumber
5 410 (7.84%) Jenkins
6 400 (7.65%) Maven
7 349 (6.67%) JUnit
8 299 (5.72%) JIRA
9 277 (5.30%) NUnit
10 261 (4.99%) Visual Studio
11 252 (4.82%) Team Foundation Server
11 252 (4.82%) Jasmine
12 235 (4.49%) WebDriver
13 199 (3.80%) TeamCity
14 176 (3.36%) Hudson
15 174 (3.33%) SpecFlow
16 160 (3.06%) Ant
17 159 (3.04%) Eclipse
18 120 (2.29%) Mockito
19 90 (1.72%) RSpec
General
1 725 (13.86%) Finance
2 399 (7.63%) Banking
3 225 (4.30%) Investment Banking
4 193 (3.69%) Front Office
5 144 (2.75%) Games
6 139 (2.66%) Retail
7 119 (2.27%) Marketing
8 99 (1.89%) Telecoms
9 59 (1.13%) Publishing
10 54 (1.03%) Back Office
11 41 (0.78%) Financial Institution
12 38 (0.73%) Manufacturing
13 35 (0.67%) Advertising
14 30 (0.57%) Electronics
15 27 (0.52%) Legal
16 10 (0.19%) Multimedia
17 8 (0.15%) Law
18 4 (0.076%) French Language
19 3 (0.057%) Pharmaceutical
20 2 (0.038%) Billing
Job Titles
1 3914 (74.82%) Developer
2 1043 (19.94%) Java Developer
3 681 (13.02%) .NET Developer
4 520 (9.94%) C# Developer
5 519 (9.92%) Senior Developer
6 277 (5.30%) C# .NET Developer
7 216 (4.13%) Web Developer
8 213 (4.07%) Analyst
9 210 (4.01%) JavaScript Developer
10 207 (3.96%) Front-End Developer
11 199 (3.80%) PHP Developer
12 176 (3.36%) Architect
13 170 (3.25%) Tester
14 161 (3.08%) Software Engineer
15 155 (2.96%) Python Developer
16 141 (2.70%) Senior Java Developer
17 111 (2.12%) Lead Developer
18 106 (2.03%) Test Analyst
19 102 (1.95%) Senior .NET Developer
20 101 (1.93%) Scala Developer
Libraries, Frameworks & Software Standards
1 1739 (33.24%) HTML
2 1521 (29.08%) .NET
3 1436 (27.45%) CSS
4 1079 (20.63%) Web Services
5 906 (17.32%) HTML5
6 889 (16.99%) XML
7 846 (16.17%) Spring
8 808 (15.45%) jQuery
9 785 (15.01%) ASP.NET
10 627 (11.99%) AngularJS
11 612 (11.70%) CSS3
12 572 (10.93%) RESTful
13 535 (10.23%) REST
14 510 (9.75%) ASP.NET MVC
15 477 (9.12%) JSON
16 457 (8.74%) .NET Framework
17 451 (8.62%) Ajax
17 451 (8.62%) Hibernate
18 436 (8.33%) WCF
19 376 (7.19%) Backbone.js
Miscellaneous
1 523 (10.00%) Open Source
2 256 (4.89%) User Experience
3 214 (4.09%) Mobile App
4 210 (4.01%) Analytical Skills
5 171 (3.27%) Computer Science
6 132 (2.52%) Data Structures
7 120 (2.29%) Enterprise Software
8 108 (2.06%) Digital Media
9 102 (1.95%) Inversion of Control
10 94 (1.80%) Derivative
11 90 (1.72%) iPad
12 87 (1.66%) Fixed Income
13 86 (1.64%) Social Media
14 85 (1.62%) N-Tier
15 80 (1.53%) Foreign Exchange (FX)
16 71 (1.36%) Algorithms
17 70 (1.34%) iPhone
18 63 (1.20%) Visualisation
19 59 (1.13%) Client/Server
20 55 (1.05%) Credit Risk
Operating Systems
1 671 (12.83%) Linux
2 357 (6.82%) UNIX
3 281 (5.37%) Windows
4 197 (3.77%) Android
5 195 (3.73%) Apple iOS
6 56 (1.07%) Mac OS X
7 33 (0.63%) Solaris
8 28 (0.54%) CentOS
9 22 (0.42%) Windows Server 2008
10 15 (0.29%) Red Hat Enterprise Linux
11 14 (0.27%) AIX
12 13 (0.25%) Windows Phone
13 12 (0.23%) Windows Mobile
14 10 (0.19%) Windows NT
14 10 (0.19%) Mac OS
15 8 (0.15%) Windows Server 2012
16 7 (0.13%) Windows 7
16 7 (0.13%) Fedora
16 7 (0.13%) Ubuntu
17 6 (0.11%) Debian
Processes & Methodologies
1 4133 (79.01%) Agile Software Development
2 1944 (37.16%) Scrum
3 1929 (36.88%) BDD
4 1352 (25.85%) MVC
5 1303 (24.91%) Continuous Integration
6 1157 (22.12%) OO
7 536 (10.25%) E-Commerce
8 494 (9.44%) Pair Programming
9 465 (8.89%) Kanban
10 442 (8.45%) Software Engineering
11 439 (8.39%) SOA
12 426 (8.14%) Unit Testing
13 362 (6.92%) Test Automation
14 344 (6.58%) User Stories
15 340 (6.50%) Web Development
16 336 (6.42%) Automated Testing
17 297 (5.68%) OOP
18 245 (4.68%) Mentoring
19 244 (4.66%) DevOps
20 221 (4.22%) Multithreading
Programming Languages
1 2112 (40.37%) Java
2 1893 (36.19%) JavaScript
3 1634 (31.24%) C#
4 1099 (21.01%) SQL
5 615 (11.76%) Ruby
6 478 (9.14%) PHP
7 441 (8.43%) Python
8 355 (6.79%) Scala
9 275 (5.26%) C++
10 162 (3.10%) Groovy
11 143 (2.73%) PL/SQL
12 142 (2.71%) T-SQL
13 125 (2.39%) Objective-C
14 94 (1.80%) Perl
15 89 (1.70%) C
16 75 (1.43%) PHP5
17 62 (1.19%) Shell Script
18 59 (1.13%) PowerShell
18 59 (1.13%) Bash Shell
19 54 (1.03%) Clojure
Qualifications
1 343 (6.56%) Degree
2 177 (3.38%) Security Cleared
3 132 (2.52%) SC Cleared
4 85 (1.62%) ISEB
5 52 (0.99%) ISTQB
6 28 (0.54%) Microsoft Certification
7 16 (0.31%) ISTQB Foundation Certification
8 15 (0.29%) MCITP
9 11 (0.21%) DV Cleared
10 8 (0.15%) BC Cleared
11 7 (0.13%) MCSD
12 5 (0.096%) PRINCE2 Practitioner
13 4 (0.076%) MCSE
14 3 (0.057%) Sun Certification
14 3 (0.057%) MCTS
14 3 (0.057%) MCP
14 3 (0.057%) MCAD
15 2 (0.038%) PMI Certification
15 2 (0.038%) ISSAP
16 1 (0.019%) PMP
Quality Assurance & Compliance
1 437 (8.35%) QA
2 15 (0.29%) Basel III
3 6 (0.11%) SLA
4 4 (0.076%) WAI
5 3 (0.057%) PCI DSS
6 2 (0.038%) WCAG
7 1 (0.019%) ISO 9001
7 1 (0.019%) ISO 14001
7 1 (0.019%) Data Quality
System Software
1 27 (0.52%) Varnish
2 15 (0.29%) Docker
3 11 (0.21%) VMware Infrastructure
4 10 (0.19%) VirtualBox
5 6 (0.11%) vCloud
5 6 (0.11%) Active Directory
5 6 (0.11%) HDFS
6 4 (0.076%) Apache ZooKeeper
7 3 (0.057%) Apache Flume
7 3 (0.057%) Firmware
8 1 (0.019%) Oracle RAC
8 1 (0.019%) Cygwin
8 1 (0.019%) GridGain
8 1 (0.019%) RHEV
Systems Management
1 150 (2.87%) Puppet
2 116 (2.22%) Opscode Chef
3 56 (1.07%) HP Quality Center
4 31 (0.59%) Ansible
5 30 (0.57%) Vagrant
6 28 (0.54%) Salt
7 16 (0.31%) Capistrano
8 8 (0.15%) Control-M
9 7 (0.13%) Nagios
9 7 (0.13%) logstash
10 6 (0.11%) YUM
10 6 (0.11%) Oozie
11 5 (0.096%) SCCM
11 5 (0.096%) Kibana
11 5 (0.096%) Graylog2
12 4 (0.076%) HAProxy
12 4 (0.076%) WebInspect
13 3 (0.057%) Oracle Identity Management
13 3 (0.057%) Hadoop YARN
14 2 (0.038%) Mesos
Vendors
1 525 (10.04%) Oracle
2 494 (9.44%) Microsoft
3 129 (2.47%) Zend
4 107 (2.05%) Google
5 75 (1.43%) Twitter
6 68 (1.30%) Sitecore
7 67 (1.28%) Sybase
8 59 (1.13%) TIBCO
9 54 (1.03%) IBM
10 47 (0.90%) Facebook
11 44 (0.84%) Adobe
12 42 (0.80%) Atlassian
13 41 (0.78%) ATG
14 40 (0.76%) EPiServer
14 40 (0.76%) Rackspace
15 38 (0.73%) Endeca
16 36 (0.69%) Perforce
17 34 (0.65%) Apple
18 33 (0.63%) Red Hat
19 30 (0.57%) SAP
London
Staffworx Ltd
Rate: excellent daily rates
Posted: 11 hours ago
City, London
Premier IT
Rate: £300 - £450 per day
Posted: 14 hours ago
London
TEKsystems
Rate: £550 - £650 per day
Posted: 14 hours ago
West London
Hydrogen Group
Rate: £450.00 - £500.00 per day
Posted: 14 hours ago
Essex
Oliver James Associates
Rate: £350 - £450 per day
Posted: 15 hours ago
Reading, Berkshire
Rullion IT Plus
Posted: 15 hours ago
Manchester, Lancashire
Applause IT Innovation
Rate: £280 - £320 per day
Posted: 15 hours ago
Oxford, Oxfordshire
Oho Group Ltd.
Rate: £250 to £450 per day
Posted: 16 hours ago
Cardiff, South Glamorgan
Experis Ltd
Rate: £300.00 - £400.00 per day
Posted: 17 hours ago
Dorking, Surrey
Vivid Resourcing Ltd
Rate: £250 - £350 per day
Posted: 17 hours ago
Oxford, Oxfordshire
Haybrook IT Resourcing Ltd
Rate: Up to £500 per day
Posted: 19 hours ago
West London
Nakama
Rate: From £350 to £400 per annum
Posted: 20 hours ago
London
Elevate Direct
Rate: From £250 to £300 per day
Posted: 20 hours ago
West London
Experis Ltd
Posted: 21 hours ago
West London
Experis Ltd
Posted: 21 hours ago
Oxford, Oxfordshire
Oho Group Ltd.
Rate: £400 to £450 per day
Posted: 21 hours ago
Whitchurch, Hampshire
Optimus Search Ltd
Rate: Up to £50 per hour
Posted: 22 hours ago
City, London
Lorien Resourcing
Rate: £450 - £550 per day
Posted: 22 hours ago
London
Engage PSG
Rate: £300 - £425 per day
Posted: 23 hours ago
Central London / West End
JWResource
Rate: From £450 to £550 per day
Posted: 23 hours ago