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 30 January 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
30 Jan 2015
Same period 2014 Same period 2013
Test-Driven Development (TDD)
Rank 38 44 45
Rank change year-on-year
+6 +1
Contract jobs citing TDD 2367 1974 1729
As % of all contract IT jobs located in the UK 4.64% 4.10% 3.87%
As % of the Processes & Methodologies category 6.15% 5.52% 5.37%
Number of daily rates quoted 1797 1377 1273
Average daily rate
Keep up to 90%
of your Daily Rate
Get a Free Illustration
£425 £400 £400
Average daily rate % change year-on-year
+6.25% -
90% offered a daily rate of more than £325 £300 £305
10% offered a daily rate of more than £575 £550 £575
UK excluding London average daily rate £375 £363 £360
% change year-on-year
+3.44% +0.69%
Number of hourly rates quoted 6 8 24
Average hourly rate £37.50 £35.50 £39.00
Average hourly rate % change year-on-year
+5.63% -8.97%
90% offered a hourly rate of more than £25.75 £28.15 £34.00
10% offered a hourly rate of more than £63.00 £52.50 £45.35
UK excluding London average hourly rate £37.50 £35.00 £39.00
% change year-on-year
+7.14% -10.25%

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
38459 35783 32221
As % of all contract IT jobs located in the UK 75.37% 74.30% 72.18%
Number of daily rates quoted 24687 21730 19119
Average daily rate £423 £400 £400
Average daily rate % change year-on-year
+5.62% -
90% offered a daily rate of more than £285 £275 £275
10% offered a daily rate of more than £575 £575 £575
UK excluding London average daily rate £398 £375 £363
% change year-on-year
+6.00% +3.44%
Number of hourly rates quoted 1007 1095 1275
Average hourly rate £25.00 £27.25 £30.00
Average hourly rate % change year-on-year
-8.25% -9.16%
90% offered a hourly rate of more than £12.00 £12.00 £12.00
10% offered a hourly rate of more than £47.15 £47.50 £45.00
UK excluding London average hourly rate £26.00 £27.50 £31.32
% change year-on-year
-5.45% -12.19%

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 30 January 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 30 January 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 30 January 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 +10 2245 £425 +6.25% 1114
London +8 1464 £450 +5.88% 529
City of London +14 361 £450 - 170
South East +25 300 £395 -1.25% 177
North West +4 145 £350 - 110
Yorkshire +16 97 £375 +31.57% 84
Hampshire +33 91 £375 - 41
East of England -12 90 £400 - 67
Manchester +18 85 £325 -10.34% 67
South West +23 82 £375 +16.27% 67
Berkshire +52 80 £365 -4.57% 34
Scotland -11 78 £388 +12.31% 41
West Yorkshire +16 74 £375 +29.31% 50
Leeds +12 67 £375 +25.00% 33
Southampton +24 48 £406 +30.00% 15
Edinburgh +6 46 £394 +13.30% 18
Buckinghamshire -13 41 £413 +3.12% 12
East Midlands +1 38 £375 +3.44% 26
Cambridgeshire -2 38 £375 -7.69% 18
Reading +28 32 £388 +6.89% 12
Cheshire -11 29 £363 +6.61% 26
Surrey -16 29 £400 +6.66% 23
Milton Keynes -18 29 £415 +1.84% 6
Slough +14 27 £317 -18.84% 2
Bristol +8 27 £400 +23.07% 22
Nottinghamshire +8 26 £375 +3.44% 9
Nottingham +6 26 £375 +3.44% 7
Oxfordshire +2 26 £475 +47.28% 26
Essex +11 24 £606 +42.64% 10
Lancashire -11 22 £400 -5.88% 3

TDD
Top 30 Related IT Skills

For the 6 months to 30 January 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 4024 (79.43%) Agile Software Development
2 2214 (43.70%) Java
3 1934 (38.18%) Scrum
4 1921 (37.92%) JavaScript
5 1843 (36.38%) BDD
6 1794 (35.41%) HTML
7 1492 (29.45%) CSS
8 1482 (29.25%) C#
9 1396 (27.56%) .NET
10 1300 (25.66%) Continuous Integration
11 1297 (25.60%) MVC
12 1120 (22.11%) OO
13 1058 (20.88%) Web Services
14 1032 (20.37%) SQL
15 929 (18.34%) HTML5
16 836 (16.50%) jQuery
17 800 (15.79%) Spring
18 791 (15.61%) Git (software)
19 781 (15.42%) XML
20 744 (14.69%) SQL Server
21 720 (14.21%) Finance
22 709 (14.00%) AngularJS
23 666 (13.15%) ASP.NET
24 646 (12.75%) CSS3
25 635 (12.53%) Linux
26 611 (12.06%) RESTful
27 583 (11.51%) REST
28 535 (10.56%) Ruby
29 516 (10.19%) Selenium
30 511 (10.09%) Subversion

TDD
Top Related IT Skills by Category

For the 6 months to 30 January 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
1 399 (7.88%) Node.js
2 232 (4.58%) Apache
3 217 (4.28%) CMS
4 192 (3.79%) Tomcat
5 180 (3.55%) JBoss
6 104 (2.05%) WebLogic
7 94 (1.86%) SharePoint
8 83 (1.64%) WebSphere
9 78 (1.54%) Elasticsearch
10 74 (1.46%) Confluence
11 66 (1.30%) IIS
12 57 (1.13%) Adobe CQ
13 54 (1.07%) Sitecore CMS
14 50 (0.99%) Apache Solr
15 42 (0.83%) nginx
16 39 (0.77%) Drupal
17 38 (0.75%) BizTalk Server
18 36 (0.71%) Umbraco
19 35 (0.69%) Kentico
20 32 (0.63%) Apache Spark
Applications
1 125 (2.47%) MS Excel
2 13 (0.26%) Mingle
3 11 (0.22%) MS Project
3 11 (0.22%) MS Office
4 10 (0.20%) MS Visio
5 8 (0.16%) Photoshop
6 4 (0.079%) Adobe Illustrator
7 3 (0.059%) Spreadsheet
8 2 (0.039%) MS PowerPoint
9 1 (0.020%) Simulink
9 1 (0.020%) Fireworks
9 1 (0.020%) FastStats
9 1 (0.020%) PowerPivot
Business Applications
1 57 (1.13%) Dynamics CRM
2 29 (0.57%) ION MarketView
3 21 (0.41%) SAP Oil and Gas
4 18 (0.36%) Magento
5 17 (0.34%) Oracle BPM
6 14 (0.28%) RMDS
7 12 (0.24%) IntelliMatch
8 10 (0.20%) Google Analytics
9 9 (0.18%) Dynamics AX
10 7 (0.14%) BusinessWorks
11 6 (0.12%) Advent Portfolio Exchange
11 6 (0.12%) Cognos Business Intelligence
12 5 (0.099%) Oracle Payables
13 4 (0.079%) Markit EDM
14 1 (0.020%) Oracle Applications
14 1 (0.020%) SAP CRM
14 1 (0.020%) Oracle Payroll
14 1 (0.020%) Summit
14 1 (0.020%) Misys Midas
14 1 (0.020%) Cordys
Cloud Services
1 128 (2.53%) Microsoft Azure
2 109 (2.15%) Amazon AWS
3 78 (1.54%) Amazon EC2
4 42 (0.83%) Amazon S3
5 39 (0.77%) GitHub
6 24 (0.47%) SaaS
7 19 (0.38%) Cloud Computing
8 16 (0.32%) Amazon SQS
9 13 (0.26%) Heroku
10 12 (0.24%) Joyent
11 9 (0.18%) Google Cloud Platform
12 8 (0.16%) OpenShift
12 8 (0.16%) PaaS
13 6 (0.12%) Amazon ElastiCache
13 6 (0.12%) Office 365
13 6 (0.12%) ElastiCache
14 5 (0.099%) Force.com
14 5 (0.099%) Trello
14 5 (0.099%) IaaS
15 4 (0.079%) Route 53
Communications & Networking
1 248 (4.90%) HTTP
2 151 (2.98%) Internet
3 39 (0.77%) AMQP
4 35 (0.69%) TCP/IP
5 26 (0.51%) LDAP
6 20 (0.39%) Firewall
6 20 (0.39%) Intranet
7 13 (0.26%) SNMP
8 12 (0.24%) SSL
9 10 (0.20%) Ethernet
9 10 (0.20%) MPLS
10 9 (0.18%) SDH
10 9 (0.18%) MVNO
11 8 (0.16%) Reverse Proxy
11 8 (0.16%) VoIP
12 7 (0.14%) HTTPS
12 7 (0.14%) DNS
13 5 (0.099%) VPN
14 4 (0.079%) OpenLDAP
14 4 (0.079%) SSH
Database & Business Intelligence
1 744 (14.69%) SQL Server
2 360 (7.11%) MySQL
3 359 (7.09%) MongoDB
4 350 (6.91%) Relational Database
5 339 (6.69%) NoSQL
6 178 (3.51%) SQL Server 2008
7 145 (2.86%) PostgreSQL
8 139 (2.74%) Big Data
9 135 (2.66%) RDBMS
10 129 (2.55%) Apache Cassandra
11 122 (2.41%) Hadoop
12 107 (2.11%) Oracle Database
13 97 (1.91%) SQL Server 2012
14 66 (1.30%) SQL Server Reporting Services
15 65 (1.28%) Data Warehouse
16 64 (1.26%) Redis
17 63 (1.24%) SQL Server Integration Services
18 59 (1.16%) SQL Server 2005
19 46 (0.91%) Couchbase
20 43 (0.85%) CouchDB
Development Applications
1 791 (15.61%) Git (software)
2 516 (10.19%) Selenium
3 511 (10.09%) Subversion
4 510 (10.07%) Cucumber
5 411 (8.11%) JUnit
6 406 (8.01%) Jenkins
7 387 (7.64%) Maven
8 293 (5.78%) Jasmine
9 286 (5.65%) JIRA
10 282 (5.57%) NUnit
11 272 (5.37%) Team Foundation Server
12 218 (4.30%) Visual Studio
13 194 (3.83%) Eclipse
14 185 (3.65%) Mockito
15 181 (3.57%) Grunt
16 179 (3.53%) WebDriver
17 155 (3.06%) Ant
18 147 (2.90%) SpecFlow
19 136 (2.68%) Hudson
20 134 (2.65%) TeamCity
General
1 720 (14.21%) Finance
2 399 (7.88%) Banking
3 207 (4.09%) Investment Banking
4 198 (3.91%) Front Office
5 151 (2.98%) Games
6 128 (2.53%) Retail
7 108 (2.13%) Marketing
8 97 (1.91%) Telecoms
9 71 (1.40%) Publishing
10 41 (0.81%) Advertising
11 38 (0.75%) Manufacturing
12 34 (0.67%) Financial Institution
13 30 (0.59%) Back Office
14 24 (0.47%) Electronics
15 20 (0.39%) Legal
16 10 (0.20%) Law
17 8 (0.16%) Multimedia
18 7 (0.14%) Music Industry
19 5 (0.099%) Automotive
20 4 (0.079%) Retail Banking
Job Titles
1 3877 (76.53%) Developer
2 1152 (22.74%) Java Developer
3 633 (12.50%) .NET Developer
4 592 (11.69%) Senior Developer
5 480 (9.47%) C# Developer
6 246 (4.86%) Front-End Developer
7 241 (4.76%) C# .NET Developer
8 217 (4.28%) JavaScript Developer
9 203 (4.01%) Web Developer
10 191 (3.77%) Senior Java Developer
11 174 (3.43%) Architect
12 170 (3.36%) Analyst
13 167 (3.30%) PHP Developer
14 127 (2.51%) Tester
15 119 (2.35%) Software Engineer
16 114 (2.25%) Senior .NET Developer
16 114 (2.25%) Python Developer
17 100 (1.97%) Scala Developer
18 98 (1.93%) Software Developer
19 94 (1.86%) Android Developer
Libraries, Frameworks & Software Standards
1 1794 (35.41%) HTML
2 1492 (29.45%) CSS
3 1396 (27.56%) .NET
4 1058 (20.88%) Web Services
5 929 (18.34%) HTML5
6 836 (16.50%) jQuery
7 800 (15.79%) Spring
8 781 (15.42%) XML
9 709 (14.00%) AngularJS
10 666 (13.15%) ASP.NET
11 646 (12.75%) CSS3
12 611 (12.06%) RESTful
13 583 (11.51%) REST
14 489 (9.65%) Hibernate
15 463 (9.14%) JSON
16 451 (8.90%) ASP.NET MVC
17 447 (8.82%) J2EE
18 438 (8.65%) .NET Framework
19 415 (8.19%) WCF
20 396 (7.82%) SOAP
Miscellaneous
1 423 (8.35%) Open Source
2 245 (4.84%) User Experience
3 201 (3.97%) Analytical Skills
4 178 (3.51%) Mobile App
5 160 (3.16%) Computer Science
6 111 (2.19%) Digital Media
7 110 (2.17%) Derivative
8 107 (2.11%) Inversion of Control
9 100 (1.97%) Data Structures
10 97 (1.91%) Fixed Income
11 95 (1.88%) Enterprise Software
12 75 (1.48%) Foreign Exchange (FX)
13 64 (1.26%) iPad
14 61 (1.20%) Visualisation
14 61 (1.20%) Algorithms
15 60 (1.18%) N-Tier
16 58 (1.14%) Client/Server
17 55 (1.09%) Social Media
18 47 (0.93%) iPhone
19 41 (0.81%) Equity Derivative
Operating Systems
1 635 (12.53%) Linux
2 352 (6.95%) UNIX
3 280 (5.53%) Windows
4 194 (3.83%) Android
5 185 (3.65%) Apple iOS
6 80 (1.58%) Mac OS X
7 28 (0.55%) CentOS
8 23 (0.45%) Windows Phone
9 22 (0.43%) Solaris
10 18 (0.36%) Red Hat Enterprise Linux
11 17 (0.34%) Windows Server 2008
12 16 (0.32%) Windows Mobile
13 10 (0.20%) Windows Server 2012
13 10 (0.20%) Windows NT
14 7 (0.14%) Ubuntu
15 6 (0.12%) Windows Phone 8
15 6 (0.12%) Windows 7
15 6 (0.12%) AIX
16 5 (0.099%) Debian
16 5 (0.099%) Windows Vista
Processes & Methodologies
1 4024 (79.43%) Agile Software Development
2 1934 (38.18%) Scrum
3 1843 (36.38%) BDD
4 1300 (25.66%) Continuous Integration
5 1297 (25.60%) MVC
6 1120 (22.11%) OO
7 509 (10.05%) E-Commerce
8 505 (9.97%) Software Engineering
9 477 (9.42%) Kanban
10 437 (8.63%) Pair Programming
11 415 (8.19%) SOA
12 388 (7.66%) Unit Testing
13 372 (7.34%) Test Automation
14 353 (6.97%) Web Development
15 333 (6.57%) User Stories
16 306 (6.04%) OOP
17 270 (5.33%) DevOps
18 265 (5.23%) Automated Testing
19 259 (5.11%) Responsive Web Design
20 258 (5.09%) Mentoring
Programming Languages
1 2214 (43.70%) Java
2 1921 (37.92%) JavaScript
3 1482 (29.25%) C#
4 1032 (20.37%) SQL
5 535 (10.56%) Ruby
6 412 (8.13%) PHP
7 375 (7.40%) Python
8 314 (6.20%) Scala
9 212 (4.18%) C++
10 151 (2.98%) T-SQL
11 126 (2.49%) Groovy
11 126 (2.49%) PL/SQL
12 109 (2.15%) Objective-C
13 89 (1.76%) Perl
14 69 (1.36%) C
15 68 (1.34%) Bash Shell
16 63 (1.24%) PHP5
17 51 (1.01%) PowerShell
18 50 (0.99%) VB.NET
19 48 (0.95%) Shell Script
Qualifications
1 367 (7.24%) Degree
2 126 (2.49%) Security Cleared
3 104 (2.05%) ISEB
4 66 (1.30%) SC Cleared
5 52 (1.03%) ISTQB
6 30 (0.59%) ISTQB Foundation Certification
7 22 (0.43%) Microsoft Certification
8 18 (0.36%) DV Cleared
9 17 (0.34%) HND
10 12 (0.24%) MCITP
11 10 (0.20%) Sun Certification
12 7 (0.14%) BC Cleared
13 4 (0.079%) MCPD
14 3 (0.059%) MCP
15 2 (0.039%) PRINCE2 Practitioner
15 2 (0.039%) ISSAP
15 2 (0.039%) PRINCE2 Certification
15 2 (0.039%) PMP
15 2 (0.039%) PMI Certification
16 1 (0.020%) Postgraduate
Quality Assurance & Compliance
1 389 (7.68%) QA
2 8 (0.16%) ISO 9001
3 6 (0.12%) EMIR
4 5 (0.099%) Basel III
5 4 (0.079%) WAI
6 2 (0.039%) Dodd-Frank
6 2 (0.039%) PCI DSS
6 2 (0.039%) WCAG
7 1 (0.020%) SLA
7 1 (0.020%) HL7
7 1 (0.020%) JTAG
7 1 (0.020%) Data Quality
System Software
1 40 (0.79%) Docker
2 33 (0.65%) Varnish
3 21 (0.41%) VMware Infrastructure
4 17 (0.34%) VirtualBox
5 11 (0.22%) Apache ZooKeeper
6 8 (0.16%) vCloud
7 6 (0.12%) HDFS
8 5 (0.099%) Apache Flume
9 4 (0.079%) vSphere
9 4 (0.079%) Firmware
10 3 (0.059%) Active Directory
11 2 (0.039%) GridGain
11 2 (0.039%) XenApp
11 2 (0.039%) XenDesktop
11 2 (0.039%) Terminal Services
12 1 (0.020%) Oracle RAC
12 1 (0.020%) VMware ESXi
12 1 (0.020%) RHEV
Systems Management
1 161 (3.18%) Puppet
2 103 (2.03%) Opscode Chef
3 46 (0.91%) Vagrant
4 41 (0.81%) Ansible
5 36 (0.71%) HP Quality Center
6 20 (0.39%) Salt
7 17 (0.34%) logstash
8 12 (0.24%) Kibana
8 12 (0.24%) Oracle Identity Management
9 11 (0.22%) Control-M
10 9 (0.18%) yum
10 9 (0.18%) Graylog2
11 8 (0.16%) ZABBIX
12 5 (0.099%) Nagios
12 5 (0.099%) Capistrano
12 5 (0.099%) OpenIDM
12 5 (0.099%) HAProxy
12 5 (0.099%) Mesos
12 5 (0.099%) Graphite
13 3 (0.059%) WebInspect
Vendors
1 498 (9.83%) Oracle
2 461 (9.10%) Microsoft
3 97 (1.91%) Zend
4 95 (1.88%) Google
5 70 (1.38%) Sybase
6 69 (1.36%) Sitecore
7 65 (1.28%) TIBCO
8 58 (1.14%) Twitter
9 50 (0.99%) IBM
10 42 (0.83%) EPiServer
10 42 (0.83%) Red Hat
11 40 (0.79%) Adobe
12 39 (0.77%) Atlassian
13 37 (0.73%) ION Trading
14 36 (0.71%) Rackspace
15 35 (0.69%) ATG
15 35 (0.69%) Apple
16 31 (0.61%) SAP
17 30 (0.59%) HP
18 28 (0.55%) Perforce
London
MA Associates Worldwide
Rate: From £400 to £450 per day
Posted: 3 hours ago
London
MA Associates Worldwide
Rate: From £400 to £450 per day
Posted: 3 hours ago
Berkshire
Oscar Associates (UK) Ltd
Rate: £350 - £400 per day + negotiable
Posted: 2 days ago
Manchester, Lancashire
Vantage Recruitment Solutions Ltd
Rate: From £250 to £300 per day
Posted: 2 days ago
London
Oliver Bernard
Rate: From £400 to £450 per day
Posted: 2 days ago
Glasgow, Lanarkshire
TEKsystems
Rate: £375 - £425 per day
Posted: 2 days ago
London
McGregor Boyall
Posted: 2 days ago
Wendover, Buckinghamshire
InterAct Consulting
Posted: 2 days ago
Salford, Lancashire
EasyWebRecruitment.com
Rate: £400 - £500+ per day depending on experienc
Posted: 2 days ago
City, London
Oliver Bernard
Rate: From £450 to £500 per day
Posted: 2 days ago
City, London
Client Server
Rate: £400 to £425 p/day
Posted: 2 days ago
City, London
Rullion IT Plus
Posted: 2 days ago
Berkshire
QUANTICA
Posted: 2 days ago
Birmingham, West Midlands (County)
TEKsystems
Rate: £350 - £400 per day
Posted: 3 days ago
Redhill, Surrey
Opus Recruitment Solutions Ltd
Rate: £350 - £400 per day
Posted: 3 days ago
London
Experis Ltd
Rate: £440.00 - £460.00 per day
Posted: 3 days ago
Hampshire
Stott & May
Rate: From £0 to £1 per day £competitive
Posted: 3 days ago
Hertfordshire
Oscar Associates (UK) Ltd
Posted: 3 days ago
City, London
Arrows Group
Rate: £500 - £600 per day + Negotiable
Posted: 3 days ago
Central London / West End
Coal IT Services
Rate: From £500 to £600 per day
Posted: 3 days ago