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 22 May 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
22 May 2015
Same period 2014 Same period 2013
Test-Driven Development (TDD)
Rank 36 38 48
Rank change year-on-year
+2 +10
Contract jobs citing TDD 2577 2382 1748
As % of all contract IT jobs located in the UK 4.76% 4.52% 3.71%
As % of the Processes & Methodologies category 6.21% 6.05% 5.02%
Number of daily rates quoted 1943 1819 1340
Average daily rate
Keep up to 90%
of your Daily Rate
Get a Free Illustration
£425 £415 £400
Average daily rate % change year-on-year
+2.40% +3.75%
90% offered a daily rate of more than £325 £300 £300
10% offered a daily rate of more than £575 £532 £575
UK excluding London average daily rate £388 £375 £350
% change year-on-year
+3.33% +7.14%
Number of hourly rates quoted 6 11 7
Average hourly rate £42.50 £45.00 £39.00
Average hourly rate % change year-on-year
-5.55% +15.38%
90% offered a hourly rate of more than £38.75 £40.00 £31.80
10% offered a hourly rate of more than £43.75 £71.00 £40.40
UK excluding London average hourly rate £42.50 £45.00 £39.00
% change year-on-year
-5.55% +15.38%

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
41485 39369 34836
As % of all contract IT jobs located in the UK 76.59% 74.79% 73.90%
Number of daily rates quoted 26264 24909 20841
Average daily rate £413 £400 £413
Average daily rate % change year-on-year
+3.12% -3.03%
90% offered a daily rate of more than £285 £275 £275
10% offered a daily rate of more than £575 £555 £575
UK excluding London average daily rate £388 £375 £363
% change year-on-year
+3.33% +3.44%
Number of hourly rates quoted 1203 1184 1052
Average hourly rate £29.00 £28.75 £32.00
Average hourly rate % change year-on-year
+0.86% -10.15%
90% offered a hourly rate of more than £12.10 £12.50 £13.50
10% offered a hourly rate of more than £47.50 £47.50 £48.56
UK excluding London average hourly rate £30.00 £30.00 £32.00
% change year-on-year
- -6.25%

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 22 May 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
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 22 May 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 +4 2395 £425 +3.03% 1111
London -3 1462 £450 +2.85% 583
City of London +1 361 £470 +4.44% 153
South East +14 218 £400 +9.58% 132
Yorkshire +12 158 £388 +19.23% 69
North West -2 146 £375 -3.22% 97
West Yorkshire +9 124 £400 +23.07% 45
East of England +8 121 £400 +6.66% 59
Leeds 0 106 £400 +23.07% 31
West Midlands +40 100 £350 -6.66% 55
Scotland +15 95 £388 +3.33% 26
South West +1 84 £400 +14.28% 66
Manchester +6 80 £360 -4.00% 58
East Midlands +28 70 £400 +8.10% 33
Wales -2 67 £400 -11.11% 5
South Wales -1 57 £394 -12.50% 5
Cambridgeshire +18 55 £425 +19.29% 19
Hampshire +16 53 £375 +25.00% 31
Cheshire +1 52 £388 +6.89% 24
North East +22 49 £395 +12.85% 15
Newcastle upon Tyne +24 46 £398 +13.57% 10
Tyne and Wear +23 46 £398 +13.57% 11
Bristol -3 46 £400 - 29
Edinburgh +13 44 £400 - 15
Birmingham +18 41 £350 -12.50% 14
Essex +11 41 £400 +6.66% 8
Berkshire +6 41 £400 +14.28% 14
Newport -6 33 £350 -22.22% 3
Surrey +1 28 £388 +2.37% 23
Glasgow -2 27 £350 -6.66% 6

TDD
Top 30 Related IT Skills

For the 6 months to 22 May 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 3912 (78.95%) Agile Software Development
2 2122 (42.83%) Java
3 1995 (40.26%) JavaScript
4 1825 (36.83%) Scrum
5 1771 (35.74%) HTML
6 1766 (35.64%) BDD
7 1455 (29.36%) CSS
8 1416 (28.58%) C#
9 1405 (28.36%) .NET
10 1220 (24.62%) MVC
11 1181 (23.83%) Continuous Integration
12 1043 (21.05%) OO
13 1035 (20.89%) Web Services
14 971 (19.60%) SQL
15 963 (19.43%) HTML5
16 845 (17.05%) Git (software)
17 820 (16.55%) jQuery
18 784 (15.82%) AngularJS
19 759 (15.32%) SQL Server
20 706 (14.25%) Finance
21 700 (14.13%) Spring
22 689 (13.91%) ASP.NET
23 684 (13.80%) XML
24 673 (13.58%) RESTful
24 673 (13.58%) CSS3
25 659 (13.30%) Linux
26 634 (12.80%) REST
27 580 (11.71%) Software Engineering
28 547 (11.04%) E-Commerce
29 496 (10.01%) Subversion

TDD
Top Related IT Skills by Category

For the 6 months to 22 May 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
1 439 (8.86%) Node.js
2 181 (3.65%) Apache
3 171 (3.45%) Tomcat
4 169 (3.41%) CMS
5 156 (3.15%) JBoss
6 120 (2.42%) WebSphere
7 93 (1.88%) WebLogic
7 93 (1.88%) Confluence
8 83 (1.68%) Elasticsearch
9 67 (1.35%) SharePoint
10 61 (1.23%) Umbraco
11 50 (1.01%) Adobe Experience Manager
12 49 (0.99%) BizTalk Server
13 48 (0.97%) IIS
13 48 (0.97%) Mule
14 47 (0.95%) Sitecore CMS
14 47 (0.95%) Kentico
15 37 (0.75%) Mule ESB
16 33 (0.67%) nginx
17 31 (0.63%) Apache Spark
Applications
1 100 (2.02%) MS Excel
2 18 (0.36%) MS Visio
3 17 (0.34%) MS Office
4 10 (0.20%) MS PowerPoint
4 10 (0.20%) MS Project
4 10 (0.20%) Photoshop
5 8 (0.16%) Mingle
6 2 (0.040%) PowerPivot
6 2 (0.040%) Spreadsheet
6 2 (0.040%) InfoPath
6 2 (0.040%) Fireworks
7 1 (0.020%) Adobe Illustrator
Business Applications
1 39 (0.79%) Dynamics CRM
2 24 (0.48%) SAP Oil and Gas
3 14 (0.28%) Magento
4 12 (0.24%) ION MarketView
5 8 (0.16%) Dynamics AX
5 8 (0.16%) Oracle 11i
6 6 (0.12%) Oracle BPM
7 5 (0.10%) RMDS
8 2 (0.040%) IntelliMatch
9 1 (0.020%) WebTrends
9 1 (0.020%) BusinessWorks
9 1 (0.020%) Tridion
9 1 (0.020%) Summit
9 1 (0.020%) Misys Midas
9 1 (0.020%) Oracle Cash Management
9 1 (0.020%) BigMachines
Cloud Services
1 265 (5.35%) Amazon AWS
2 173 (3.49%) Microsoft Azure
3 51 (1.03%) Amazon EC2
4 42 (0.85%) GitHub
5 37 (0.75%) Amazon S3
6 36 (0.73%) SaaS
7 25 (0.50%) Cloud Computing
7 25 (0.50%) Heroku
8 21 (0.42%) AWS CloudFormation
9 20 (0.40%) Amazon SQS
10 14 (0.28%) PaaS
11 12 (0.24%) Virtual Private Cloud
11 12 (0.24%) Amazon CloudWatch
11 12 (0.24%) Amazon ElastiCache
12 10 (0.20%) Google Analytics
13 8 (0.16%) OpenShift
13 8 (0.16%) IaaS
14 7 (0.14%) Google Cloud Platform
15 6 (0.12%) Office 365
15 6 (0.12%) Route 53
Communications & Networking
1 235 (4.74%) HTTP
2 155 (3.13%) Internet
3 36 (0.73%) SSL
4 34 (0.69%) TCP/IP
5 29 (0.59%) AMQP
6 27 (0.54%) Firewall
7 14 (0.28%) LDAP
8 8 (0.16%) FTP
9 7 (0.14%) Intranet
9 7 (0.14%) VPN
10 6 (0.12%) Skype
10 6 (0.12%) Intrusion Detection
10 6 (0.12%) Wireless
10 6 (0.12%) SNMP
11 4 (0.081%) Wireshark
11 4 (0.081%) HTTPS
11 4 (0.081%) RTP
11 4 (0.081%) DAB
12 3 (0.061%) DVB
12 3 (0.061%) X.509
Database & Business Intelligence
1 759 (15.32%) SQL Server
2 393 (7.93%) MongoDB
3 378 (7.63%) NoSQL
4 352 (7.10%) Relational Database
5 273 (5.51%) MySQL
6 169 (3.41%) PostgreSQL
7 159 (3.21%) Hadoop
8 157 (3.17%) Big Data
9 146 (2.95%) SQL Server 2008
10 119 (2.40%) RDBMS
11 110 (2.22%) Oracle Database
12 102 (2.06%) Apache Cassandra
13 93 (1.88%) SQL Server 2012
14 76 (1.53%) SQL Server Integration Services
15 71 (1.43%) Redis
16 63 (1.27%) SQL Server 2005
17 57 (1.15%) SQL Server Reporting Services
17 57 (1.15%) Couchbase
18 53 (1.07%) Data Warehouse
19 50 (1.01%) DB2
Development Applications
1 845 (17.05%) Git (software)
2 496 (10.01%) Subversion
3 484 (9.77%) Selenium
3 484 (9.77%) Cucumber
4 443 (8.94%) Jenkins
5 390 (7.87%) JUnit
6 334 (6.74%) Maven
7 240 (4.84%) Jasmine
8 236 (4.76%) JIRA
9 223 (4.50%) NUnit
9 223 (4.50%) Team Foundation Server
10 191 (3.85%) Grunt
11 183 (3.69%) Visual Studio
12 168 (3.39%) Eclipse
13 152 (3.07%) TeamCity
14 144 (2.91%) Mockito
15 141 (2.85%) Ant
16 132 (2.66%) WebDriver
17 119 (2.40%) SpecFlow
18 108 (2.18%) Hudson
General
1 706 (14.25%) Finance
2 388 (7.83%) Banking
3 234 (4.72%) Front Office
4 206 (4.16%) Investment Banking
5 132 (2.66%) Retail
6 113 (2.28%) Games
7 85 (1.72%) Marketing
8 83 (1.68%) Publishing
9 78 (1.57%) Telecoms
10 41 (0.83%) Manufacturing
11 37 (0.75%) Back Office
12 30 (0.61%) Electronics
13 27 (0.54%) Financial Institution
14 24 (0.48%) Legal
15 21 (0.42%) Advertising
16 9 (0.18%) Law
17 8 (0.16%) Retail Banking
18 7 (0.14%) Automotive
19 3 (0.061%) Multimedia
19 3 (0.061%) Music Industry
Job Titles
1 3763 (75.94%) Developer
2 1110 (22.40%) Java Developer
3 694 (14.01%) .NET Developer
4 585 (11.81%) Senior Developer
5 496 (10.01%) C# Developer
6 254 (5.13%) C# .NET Developer
7 223 (4.50%) JavaScript Developer
8 217 (4.38%) Front-End Developer
9 215 (4.34%) Senior Java Developer
9 215 (4.34%) Analyst
10 180 (3.63%) Web Developer
11 168 (3.39%) Architect
12 137 (2.76%) Software Engineer
13 132 (2.66%) PHP Developer
14 114 (2.30%) iOS Developer
15 111 (2.24%) Tester
16 109 (2.20%) Android Developer
17 102 (2.06%) Python Developer
18 101 (2.04%) Test Analyst
19 97 (1.96%) ASP.NET Developer
Libraries, Frameworks & Software Standards
1 1771 (35.74%) HTML
2 1455 (29.36%) CSS
3 1405 (28.36%) .NET
4 1035 (20.89%) Web Services
5 963 (19.43%) HTML5
6 820 (16.55%) jQuery
7 784 (15.82%) AngularJS
8 700 (14.13%) Spring
9 689 (13.91%) ASP.NET
10 684 (13.80%) XML
11 673 (13.58%) RESTful
11 673 (13.58%) CSS3
12 634 (12.80%) REST
13 473 (9.55%) JSON
14 468 (9.45%) ASP.NET MVC
15 443 (8.94%) .NET Framework
16 433 (8.74%) J2EE
16 433 (8.74%) Hibernate
17 410 (8.27%) SOAP
18 392 (7.91%) WCF
Miscellaneous
1 359 (7.25%) Open Source
2 256 (5.17%) User Experience
3 203 (4.10%) Mobile App
4 168 (3.39%) Analytical Skills
5 145 (2.93%) Computer Science
6 113 (2.28%) Derivative
7 81 (1.63%) Digital Media
8 79 (1.59%) Enterprise Software
9 65 (1.31%) Foreign Exchange (FX)
10 59 (1.19%) N-Tier
11 58 (1.17%) Algorithms
12 57 (1.15%) Equity Derivative
13 56 (1.13%) Inversion of Control
14 54 (1.09%) Fixed Income
15 52 (1.05%) Client/Server
16 51 (1.03%) Data Structures
17 48 (0.97%) iPad
17 48 (0.97%) iPhone
18 46 (0.93%) Social Media
19 43 (0.87%) Visualisation
Operating Systems
1 659 (13.30%) Linux
2 351 (7.08%) UNIX
3 245 (4.94%) Windows
4 228 (4.60%) Apple iOS
5 222 (4.48%) Android
6 78 (1.57%) Mac OS X
7 38 (0.77%) Red Hat Enterprise Linux
8 35 (0.71%) Ubuntu
9 31 (0.63%) CentOS
10 27 (0.54%) Solaris
11 19 (0.38%) Debian
12 18 (0.36%) Windows Phone
13 10 (0.20%) Windows Phone 8
13 10 (0.20%) Windows Mobile
14 9 (0.18%) AIX
14 9 (0.18%) Mac OS
15 8 (0.16%) Windows XP
16 7 (0.14%) Windows Vista
17 6 (0.12%) Windows 7
18 4 (0.081%) Windows Server 2008
Processes & Methodologies
1 3912 (78.95%) Agile Software Development
2 1825 (36.83%) Scrum
3 1766 (35.64%) BDD
4 1220 (24.62%) MVC
5 1181 (23.83%) Continuous Integration
6 1043 (21.05%) OO
7 580 (11.71%) Software Engineering
8 547 (11.04%) E-Commerce
9 467 (9.42%) Unit Testing
10 417 (8.42%) Kanban
11 387 (7.81%) Pair Programming
12 380 (7.67%) SOA
13 373 (7.53%) Web Development
14 325 (6.56%) Test Automation
15 311 (6.28%) Responsive Web Design
16 293 (5.91%) OOP
17 287 (5.79%) User Stories
18 273 (5.51%) Mentoring
19 248 (5.01%) Multithreading
20 240 (4.84%) DevOps
Programming Languages
1 2122 (42.83%) Java
2 1995 (40.26%) JavaScript
3 1416 (28.58%) C#
4 971 (19.60%) SQL
5 483 (9.75%) Ruby
6 356 (7.18%) Python
7 313 (6.32%) PHP
8 301 (6.07%) Scala
9 154 (3.11%) C++
10 143 (2.89%) Objective-C
11 136 (2.74%) T-SQL
12 106 (2.14%) PL/SQL
13 103 (2.08%) Groovy
14 79 (1.59%) Perl
15 67 (1.35%) C
16 59 (1.19%) Bash Shell
17 56 (1.13%) VB.NET
18 46 (0.93%) Apple Swift
19 42 (0.85%) XPath
20 38 (0.77%) VBA
Qualifications
1 293 (5.91%) Degree
2 174 (3.51%) Security Cleared
3 72 (1.45%) SC Cleared
4 67 (1.35%) ISEB
5 35 (0.71%) DV Cleared
6 31 (0.63%) ISTQB Foundation Certification
7 25 (0.50%) ISTQB
8 18 (0.36%) Microsoft Certification
9 17 (0.34%) HND
10 8 (0.16%) CTC Cleared
10 8 (0.16%) Sun Certification
11 7 (0.14%) MCITP
12 6 (0.12%) MCAD
12 6 (0.12%) MCSD
13 4 (0.081%) PRINCE2 Practitioner
13 4 (0.081%) MCPD
13 4 (0.081%) PMP
13 4 (0.081%) PMI Certification
14 3 (0.061%) PRINCE2 Certification
15 2 (0.040%) BC Cleared
Quality Assurance & Compliance
1 325 (6.56%) QA
2 9 (0.18%) ISO/IEC 27001
3 8 (0.16%) ISO 9001
4 7 (0.14%) SLA
4 7 (0.14%) PCI DSS
4 7 (0.14%) EMIR
5 6 (0.12%) WAI
6 3 (0.061%) Dodd-Frank
7 2 (0.040%) Data Quality
7 2 (0.040%) Basel III
7 2 (0.040%) HL7
System Software
1 57 (1.15%) Docker
2 41 (0.83%) Varnish
3 25 (0.50%) VMware Infrastructure
4 9 (0.18%) HDFS
5 8 (0.16%) Apache Flume
6 7 (0.14%) VirtualBox
6 7 (0.14%) vCloud
7 4 (0.081%) Apache ZooKeeper
7 4 (0.081%) GridGain
7 4 (0.081%) Squid
7 4 (0.081%) Active Directory
8 2 (0.040%) vSphere
9 1 (0.020%) Firmware
9 1 (0.020%) Terminal Services
9 1 (0.020%) XenApp
9 1 (0.020%) XenDesktop
9 1 (0.020%) VMware ESXi
Systems Management
1 181 (3.65%) Puppet
2 140 (2.83%) Opscode Chef
3 62 (1.25%) Ansible
4 54 (1.09%) Vagrant
5 37 (0.75%) Salt
6 24 (0.48%) yum
7 21 (0.42%) Graylog
8 10 (0.20%) Rundeck
9 9 (0.18%) HP Quality Center
9 9 (0.18%) Capistrano
10 8 (0.16%) HAProxy
11 6 (0.12%) Mesos
12 5 (0.10%) Control-M
12 5 (0.10%) Oozie
12 5 (0.10%) CA LISA
12 5 (0.10%) Kibana
12 5 (0.10%) logstash
13 4 (0.081%) Oracle Identity Management
14 3 (0.061%) Nagios
14 3 (0.061%) ZABBIX
Vendors
1 455 (9.18%) Oracle
2 379 (7.65%) Microsoft
3 81 (1.63%) IBM
4 70 (1.41%) Sitecore
5 69 (1.39%) Zend
6 62 (1.25%) EPiServer
7 59 (1.19%) Sybase
8 58 (1.17%) Google
9 57 (1.15%) Red Hat
10 53 (1.07%) Adobe
11 42 (0.85%) Atlassian
12 40 (0.81%) Apple
13 37 (0.75%) Twitter
13 37 (0.75%) hybris
13 37 (0.75%) TIBCO
14 34 (0.69%) SAP
15 32 (0.65%) VMware
16 27 (0.54%) Perforce
17 26 (0.52%) Akamai
18 25 (0.50%) New Relic
Leeds, Yorkshire
Spring Technology
Posted: 2 hours ago
Edinburgh, Midlothian
Harvey Nash Plc
Posted: 2 hours ago
London
Salmon Limited
Rate: Market Rates
Posted: Yesterday
Yorkshire
The Bridge Ltd
Posted: Yesterday
Oxford, Oxfordshire
Stott & May
Rate: From £300 to £430 per day
Posted: Yesterday
Oxford, Oxfordshire
Stott & May
Rate: From £300 to £430 per day
Posted: Yesterday
City, London
Lorien Resourcing
Rate: £48000 - £55000 per annum + Bonus & Excellent Benefits
Posted: 2 days ago
Crawley, West Sussex
Vantage Recruitment Solutions Ltd
Rate: Up to £350 per day for 6 months, rolling
Posted: 2 days ago
City, London
TEKsystems
Rate: £400 - £450 per day
Posted: 3 days ago
City, London
TEKsystems
Rate: £450 - £600 per day
Posted: 3 days ago
City, London
Eames Consulting
Rate: Up to £550 per day
Posted: 3 days ago
South West
Opus Recruitment Solutions Ltd
Rate: Competitive
Posted: 3 days ago
City, London
Hays Finance Technology
Rate: £400.00 - £450.00 per day
Posted: 3 days ago
Oxfordshire
Randstad Technologies
Rate: £0.00 per annum
Posted: 3 days ago
West Midlands
Vivid Resourcing Ltd
Rate: Negotiable on experience
Posted: 3 days ago
London
Mortimer Spinks
Posted: 3 days ago
London
Vertical IT
Rate: £3 - £4 per annum + MARKET RATE + COMPETITIVE
Posted: 3 days ago
London
Staffworx Ltd
Rate: excellent rates, fantastic clients and company
Posted: 3 days ago
London
Burns Sheehan
Rate: £375 - £450 per day
Posted: 3 days ago
London
Harvey Nash plc
Rate: £550 - £650 per day
Posted: 3 days ago