The table below looks at the statistics for TDD skills in IT contracts advertised across the UK. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 2 May 2016 with a comparison to the same period over 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.

3 months to
2 May 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 31 39 41
Rank change year-on-year
+8 +2
Contract jobs citing TDD 3262 2609 2407
As % of all contract IT jobs located in the UK 5.85% 4.60% 4.34%
As % of the Processes & Methodologies category 7.17% 5.83% 5.60%
Number of daily rates quoted 2625 1960 1788
Median daily rate £450 £425 £413
Median daily rate % change year-on-year
+5.88% +3.03%
90% offered a daily rate of more than £330 £325 £300
10% offered a daily rate of more than £600 £575 £550
UK excluding London median daily rate £400 £380 £375
% change year-on-year
+5.26% +1.33%
Number of hourly rates quoted 14 10 16
Median hourly rate £43.25 £42.50 £43.75
Median hourly rate % change year-on-year
+1.76% -2.85%
90% offered a hourly rate of more than £33.35 £32.95 £35.60
10% offered a hourly rate of more than £53.05 £47.60 £71.00
UK excluding London median hourly rate £42.75 £42.50 £45.00
% change year-on-year
+0.58% -5.55%

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
45487 44731 42956
As % of all contract IT jobs located in the UK 81.61% 78.86% 77.52%
Number of daily rates quoted 30072 27893 26816
Median daily rate £438 £413 £400
Median daily rate % change year-on-year
+6.06% +3.12%
90% offered a daily rate of more than £300 £280 £275
10% offered a daily rate of more than £600 £575 £551
UK excluding London median daily rate £400 £388 £375
% change year-on-year
+3.22% +3.33%
Number of hourly rates quoted 1054 1299 1233
Median hourly rate £34.50 £29.41 £30.00
Median hourly rate % change year-on-year
+17.30% -1.96%
90% offered a hourly rate of more than £12.78 £12.35 £12.50
10% offered a hourly rate of more than £49.50 £47.83 £50.00
UK excluding London median hourly rate £36.00 £30.50 £31.50
% change year-on-year
+18.03% -3.17%

TDD
Jobs Demand Trend

The demand trend of contract jobs citing TDD as a proportion of all IT contracts with a match in 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 2 May 2016.

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 2 May 2016.

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 median contractor rates quoted in IT jobs citing TDD within the UK over the 3 months to 2 May 2016. 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
(Click see detailed
statistics and trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +9 3047 £450 +5.88% 1048
London +9 1916 £500 +11.11% 571
City of London +14 387 £525 +10.52% 120
South East +15 327 £400 +3.22% 157
Yorkshire +14 270 £450 +20.00% 78
West Yorkshire +17 244 £450 +12.50% 53
North West +15 241 £400 +6.66% 83
Leeds +15 236 £450 +12.50% 46
Manchester +18 149 £400 +14.28% 65
Wales +1 95 £375 -6.25% 6
West Midlands 0 90 £450 +38.46% 39
South Wales +4 89 £375 -4.76% 5
East of England -7 83 £400 - 47
Cheshire +8 73 £413 +10.00% 10
Cardiff +8 72 £381 -4.68% 3
South West -13 67 £388 -3.12% 41
Scotland -39 63 £375 - 27
Kent +13 55 £375 +15.46% 11
Surrey +7 52 £400 +3.22% 37
North East -23 43 £450 +18.03% 11
Tyne and Wear -24 40 £450 +18.03% 10
Hampshire -36 40 £360 -4.00% 34
Newcastle upon Tyne -27 38 £450 +18.03% 8
East Sussex +21 37 £375 -3.22% 9
Berkshire -14 37 £375 -6.25% 26
West Sussex -5 35 £400 -8.57% 14
Edinburgh -17 34 £389 -1.26% 8
Bristol -1 31 £413 +10.00% 8
Brighton +20 29 £375 -16.66% 8
Reading +1 29 £375 -6.25% 11

TDD
Top 30 Related IT Skills

For the 6 months to 2 May 2016, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads with a requirement for TDD.

1 5008 (80.87%) Agile Software Development
2 2963 (47.84%) Java
3 2497 (40.32%) JavaScript
3 2497 (40.32%) BDD
4 2208 (35.65%) Scrum
5 2032 (32.81%) HTML
6 1637 (26.43%) CSS
7 1453 (23.46%) Continuous Integration
8 1399 (22.59%) C#
9 1349 (21.78%) .NET
10 1303 (21.04%) AngularJS
11 1202 (19.41%) Spring
12 1193 (19.26%) HTML5
13 1172 (18.92%) MVC
14 1155 (18.65%) Web Services
15 1143 (18.46%) SQL
16 1141 (18.42%) Git (software)
17 1009 (16.29%) OO
18 990 (15.99%) REST
19 905 (14.61%) Pair Programming
20 879 (14.19%) Finance
21 855 (13.81%) NoSQL
22 848 (13.69%) RESTful
23 813 (13.13%) jQuery
24 806 (13.01%) Software Engineering
25 793 (12.80%) SQL Server
26 771 (12.45%) CSS3
27 750 (12.11%) Node.js
28 715 (11.55%) Kanban
29 712 (11.50%) Linux

TDD
Top Related IT Skills by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 750 (12.11%) Node.js
2 260 (4.20%) Tomcat
3 199 (3.21%) Apache
4 177 (2.86%) JBoss
5 164 (2.65%) Elasticsearch
6 149 (2.41%) CMS
7 129 (2.08%) Confluence
8 121 (1.95%) Apache Spark
9 110 (1.78%) Jetty
10 82 (1.32%) WebSphere
11 69 (1.11%) OpenStack
12 62 (1.00%) Apache Solr
13 61 (0.98%) IIS
14 55 (0.89%) WebLogic
15 50 (0.81%) Cloud Foundry
16 48 (0.78%) Oracle Coherence
17 43 (0.69%) Mule
18 39 (0.63%) BizTalk Server
19 33 (0.53%) nginx
19 33 (0.53%) Umbraco
Applications
1 127 (2.05%) MS Excel
2 20 (0.32%) MS Office
3 19 (0.31%) Photoshop
4 16 (0.26%) MS Visio
5 7 (0.11%) Gliffy
6 6 (0.097%) OmniGraffle
7 4 (0.065%) Adobe Illustrator
7 4 (0.065%) MS PowerPoint
8 3 (0.048%) Fireworks
8 3 (0.048%) PaintShop Pro
9 1 (0.016%) Simulink
Business Applications
1 95 (1.53%) Payment Gateway
2 41 (0.66%) SAP Oil and Gas
3 37 (0.60%) Dynamics CRM
4 19 (0.31%) Magento
5 8 (0.13%) Eloqua
5 8 (0.13%) Endur
6 7 (0.11%) BusinessWorks
6 7 (0.11%) RMDS
7 6 (0.097%) BigMachines
8 4 (0.065%) Dynamics AX
8 4 (0.065%) ION MarketView
8 4 (0.065%) Oracle CRM
9 3 (0.048%) IBM Operational Decision Manager
9 3 (0.048%) Oracle Retail
10 2 (0.032%) Oracle Financials
10 2 (0.032%) PeopleSoft Financials
10 2 (0.032%) PeopleSoft HCM
10 2 (0.032%) PeopleSoft HRMS
10 2 (0.032%) Unica
11 1 (0.016%) SunGard Martini
Cloud Services
1 494 (7.98%) Amazon AWS
2 278 (4.49%) Microsoft Azure
3 235 (3.79%) GitHub
4 98 (1.58%) PaaS
5 72 (1.16%) SaaS
6 68 (1.10%) Heroku
7 65 (1.05%) Amazon EC2
8 45 (0.73%) Cloud Computing
8 45 (0.73%) IaaS
9 36 (0.58%) AWS CloudFormation
10 32 (0.52%) Google Analytics
11 28 (0.45%) Amazon S3
12 24 (0.39%) Google Cloud Platform
13 17 (0.27%) Amazon SQS
14 16 (0.26%) AWS Lambda
15 12 (0.19%) Amazon CloudWatch
15 12 (0.19%) Google App Engine
16 11 (0.18%) Azure Active Directory
17 10 (0.16%) Amazon Kinesis
18 9 (0.15%) Force.com
Communications & Networking
1 293 (4.73%) HTTP
2 150 (2.42%) Internet
3 70 (1.13%) TCP/IP
4 36 (0.58%) DVB
5 23 (0.37%) HTTPS
5 23 (0.37%) Network Security
6 18 (0.29%) SSL
7 15 (0.24%) AMQP
8 14 (0.23%) Bluetooth
8 14 (0.23%) Intranet
8 14 (0.23%) SNMP
9 11 (0.18%) DMZ
9 11 (0.18%) DNS
9 11 (0.18%) VPN
10 9 (0.15%) Firewall
11 6 (0.097%) SNA
12 5 (0.081%) FTP
12 5 (0.081%) Reverse Proxy
13 4 (0.065%) SAN
13 4 (0.065%) Skype
Database & Business Intelligence
1 855 (13.81%) NoSQL
2 793 (12.80%) SQL Server
3 696 (11.24%) MongoDB
4 443 (7.15%) Apache Cassandra
5 416 (6.72%) MySQL
6 332 (5.36%) Relational Database
7 205 (3.31%) PostgreSQL
8 200 (3.23%) Big Data
9 193 (3.12%) Hadoop
10 173 (2.79%) Redis
11 103 (1.66%) SQL Server 2012
12 99 (1.60%) SQL Server 2008
13 98 (1.58%) Amazon DynamoDB
14 85 (1.37%) SQL Server Reporting Services
15 78 (1.26%) Neo4j
16 76 (1.23%) SQL Server Integration Services
17 69 (1.11%) RDBMS
18 67 (1.08%) Oracle Database
19 52 (0.84%) CouchDB
20 49 (0.79%) HBase
Development Applications
1 1141 (18.42%) Git (software)
2 689 (11.13%) Jenkins
3 615 (9.93%) Cucumber
4 555 (8.96%) Maven
5 520 (8.40%) Selenium
6 440 (7.10%) JIRA
7 434 (7.01%) Subversion
8 413 (6.67%) JUnit
9 296 (4.78%) Mockito
10 240 (3.88%) Team Foundation Server
11 225 (3.63%) Gradle
12 215 (3.47%) Jasmine
13 201 (3.25%) Visual Studio
14 180 (2.91%) NUnit
15 175 (2.83%) SpecFlow
16 163 (2.63%) WebDriver
17 162 (2.62%) Grunt
18 153 (2.47%) Eclipse
19 145 (2.34%) TeamCity
20 130 (2.10%) gulp
General
1 879 (14.19%) Finance
2 512 (8.27%) Banking
3 190 (3.07%) Investment Banking
4 185 (2.99%) Retail
5 157 (2.54%) Front Office
6 128 (2.07%) Marketing
7 106 (1.71%) Games
8 98 (1.58%) Telecoms
9 90 (1.45%) Publishing
10 70 (1.13%) Legal
11 44 (0.71%) Manufacturing
12 43 (0.69%) Electronics
13 41 (0.66%) Back Office
14 36 (0.58%) Law
15 33 (0.53%) Financial Institution
16 21 (0.34%) Advertising
17 11 (0.18%) Automotive
17 11 (0.18%) Pharmaceutical
17 11 (0.18%) Retail Banking
18 9 (0.15%) Local Government
Job Titles
1 4792 (77.38%) Developer
2 1806 (29.16%) Java Developer
3 893 (14.42%) Senior Developer
4 807 (13.03%) Agile Developer
5 704 (11.37%) .NET Developer
6 670 (10.82%) JavaScript Developer
7 613 (9.90%) C# Developer
8 547 (8.83%) Agile Java Developer
9 448 (7.23%) Senior Java Developer
10 402 (6.49%) C# .NET Developer
11 333 (5.38%) Front End Developer (Client-Side Developer)
12 315 (5.09%) Angular Developer
13 291 (4.70%) ASP.NET MVC Developer
14 267 (4.31%) Scala Developer
15 217 (3.50%) ASP.NET Developer
16 215 (3.47%) HTML Developer
17 213 (3.44%) Full Stack Developer
18 207 (3.34%) Web Developer
19 206 (3.33%) Analyst
20 192 (3.10%) Senior Agile Developer
Libraries, Frameworks & Software Standards
1 2032 (32.81%) HTML
2 1637 (26.43%) CSS
3 1349 (21.78%) .NET
4 1303 (21.04%) AngularJS
5 1202 (19.41%) Spring
6 1193 (19.26%) HTML5
7 1155 (18.65%) Web Services
8 990 (15.99%) REST
9 848 (13.69%) RESTful
10 813 (13.13%) jQuery
11 771 (12.45%) CSS3
12 640 (10.33%) ASP.NET
13 587 (9.48%) XML
14 508 (8.20%) Hibernate
15 484 (7.82%) ASP.NET MVC
16 438 (7.07%) SOAP
17 427 (6.89%) JSON
18 406 (6.56%) J2EE
19 395 (6.38%) .NET Framework
20 393 (6.35%) React
Miscellaneous
1 332 (5.36%) User Experience
2 232 (3.75%) Analytical Skills
3 174 (2.81%) Mobile App
4 173 (2.79%) Computer Science
5 143 (2.31%) Enterprise Software
6 126 (2.03%) iPad
7 119 (1.92%) Derivative
8 106 (1.71%) Foreign Exchange (FX)
9 77 (1.24%) Inversion of Control
10 67 (1.08%) Fixed Income
11 66 (1.07%) Fintech
12 60 (0.97%) STB
13 54 (0.87%) Algorithms
13 54 (0.87%) N-Tier
13 54 (0.87%) Social Media
14 52 (0.84%) iPhone
15 49 (0.79%) Data Structures
16 47 (0.76%) Digital Media
17 38 (0.61%) MPEG
18 35 (0.57%) Grid Computing
Operating Systems
1 712 (11.50%) Linux
2 394 (6.36%) Unix
3 273 (4.41%) Windows
4 215 (3.47%) Apple iOS
5 192 (3.10%) Android
6 93 (1.50%) Mac OS X
7 46 (0.74%) Red Hat Enterprise Linux
8 41 (0.66%) Windows Server
9 30 (0.48%) CentOS
10 26 (0.42%) Ubuntu
11 15 (0.24%) Mac OS
11 15 (0.24%) Windows Phone
12 10 (0.16%) AIX
13 8 (0.13%) Solaris
13 8 (0.13%) Windows Vista
13 8 (0.13%) Windows XP
14 5 (0.081%) Windows 7
15 4 (0.065%) Windows Phone 8
16 3 (0.048%) Debian
16 3 (0.048%) Windows Server 2012
Processes & Methodologies
1 5008 (80.87%) Agile Software Development
2 2497 (40.32%) BDD
3 2208 (35.65%) Scrum
4 1453 (23.46%) Continuous Integration
5 1172 (18.92%) MVC
6 1009 (16.29%) OO
7 905 (14.61%) Pair Programming
8 806 (13.01%) Software Engineering
9 715 (11.55%) Kanban
10 623 (10.06%) E-Commerce
11 569 (9.19%) Web Development
12 546 (8.82%) Unit Testing
13 516 (8.33%) DevOps
14 495 (7.99%) Open Source
15 479 (7.73%) Continuous Delivery
16 472 (7.62%) SOA
17 451 (7.28%) Front End Development
18 428 (6.91%) SDLC
19 409 (6.60%) Multithreading
20 339 (5.47%) Microservices
Programming Languages
1 2963 (47.84%) Java
2 2497 (40.32%) JavaScript
3 1399 (22.59%) C#
4 1143 (18.46%) SQL
5 572 (9.24%) Scala
6 554 (8.95%) Python
7 525 (8.48%) Ruby
8 340 (5.49%) PHP
9 266 (4.30%) C++
10 204 (3.29%) Groovy
11 166 (2.68%) C
12 165 (2.66%) T-SQL
13 162 (2.62%) Perl
14 113 (1.82%) Objective-C
14 113 (1.82%) PL/SQL
15 109 (1.76%) Go
16 93 (1.50%) ES6
17 86 (1.39%) Bash Shell
18 78 (1.26%) Clojure
19 75 (1.21%) Shell Script
Qualifications
1 303 (4.89%) Degree
2 244 (3.94%) Security Cleared
3 118 (1.91%) SC Cleared
4 88 (1.42%) ISEB
5 72 (1.16%) ISTQB
6 66 (1.07%) DV Cleared
7 39 (0.63%) BPSS Clearance
8 29 (0.47%) Microsoft Certification
9 25 (0.40%) ISTQB Foundation Certification
10 12 (0.19%) MCPD
10 12 (0.19%) MCSD
11 11 (0.18%) BC Cleared
12 8 (0.13%) MCITP
13 7 (0.11%) ISTQB Advanced Certification
14 6 (0.097%) CCEA
14 6 (0.097%) Citrix Certification
14 6 (0.097%) PhD
15 5 (0.081%) PMI Certification
15 5 (0.081%) Sun Certification
16 3 (0.048%) CTC Cleared
Quality Assurance & Compliance
1 335 (5.41%) QA
2 58 (0.94%) Disclosure Scotland
3 31 (0.50%) SDET
4 11 (0.18%) Data Quality
4 11 (0.18%) WCAG
5 7 (0.11%) ISO 14001
5 7 (0.11%) ISO 9001
6 6 (0.097%) HMG Security Policy Framework
6 6 (0.097%) ISO/IEC 27001
6 6 (0.097%) SLA
7 5 (0.081%) MiFID
8 3 (0.048%) HL7
8 3 (0.048%) WAI
9 2 (0.032%) EMIR
9 2 (0.032%) ISO20022
10 1 (0.016%) CRD IV
10 1 (0.016%) DO-178B
10 1 (0.016%) Dodd-Frank
10 1 (0.016%) GPG13
10 1 (0.016%) PCI DSS
System Software
1 293 (4.73%) Docker
2 39 (0.63%) vSphere
3 37 (0.60%) VMware Infrastructure
4 25 (0.40%) HDFS
5 20 (0.32%) Apache Flume
6 17 (0.27%) Active Directory
7 10 (0.16%) Varnish
8 9 (0.15%) Apache ZooKeeper
9 5 (0.081%) Oracle RAC
10 3 (0.048%) VirtualBox
11 2 (0.032%) Firmware
11 2 (0.032%) GridGain
11 2 (0.032%) Platform Symphony
11 2 (0.032%) vCloud
12 1 (0.016%) BitLocker
12 1 (0.016%) Hyper-V
12 1 (0.016%) iptables
12 1 (0.016%) LXC
12 1 (0.016%) VMware ESXi
12 1 (0.016%) XenApp
Systems Management
1 164 (2.65%) Puppet
2 140 (2.26%) Opscode Chef
3 53 (0.86%) Ansible
4 36 (0.58%) Graphite
5 25 (0.40%) Kubernetes
6 20 (0.32%) HP Quality Center
7 19 (0.31%) Kibana
8 17 (0.27%) Mesos
8 17 (0.27%) yum
9 12 (0.19%) logstash
10 11 (0.18%) Oozie
11 9 (0.15%) Business Desktop Deployment
11 9 (0.15%) MOM
12 8 (0.13%) Capistrano
12 8 (0.13%) Hadoop YARN
13 5 (0.081%) Control-M
14 4 (0.065%) Grafana
14 4 (0.065%) StatsD
14 4 (0.065%) ZABBIX
15 3 (0.048%) Terraform
Vendors
1 469 (7.57%) Oracle
2 440 (7.10%) Microsoft
3 105 (1.70%) Google
4 85 (1.37%) Atlassian
5 72 (1.16%) IBM
5 72 (1.16%) Red Hat
6 63 (1.02%) Adobe
7 61 (0.98%) Sitecore
8 55 (0.89%) Apple
9 52 (0.84%) Zend
10 47 (0.76%) VMware
11 44 (0.71%) SAP
12 43 (0.69%) HP
13 37 (0.60%) Salesforce.com
14 35 (0.57%) SOASTA, Inc
15 33 (0.53%) ATG
16 31 (0.50%) TIBCO
17 30 (0.48%) hybris
18 29 (0.47%) Sybase
19 28 (0.45%) Endeca
Leeds, West Yorkshire
Arrows Group
Rate: £400 - £600 per day
Posted: 8 hours ago
Tyne And Wear
Whitehall Resources Ltd
Rate: £Market
Posted: 21 hours ago
Cardiff, South Glamorgan
SmartSourcing plc
Posted: 21 hours ago
London
LA International
Rate: Negotiable
Posted: 3 days ago
London
TEKsystems
Rate: £500 - £550 per day
Posted: 3 days ago
City, London
TEKsystems
Rate: £575 - £700 per day
Posted: 3 days ago
London
Arrows Group
Posted: 3 days ago
Leeds, West Yorkshire
E-synergy Solutions
Rate: £450 - £500 per annum
Posted: 3 days ago
Leeds, West Yorkshire
Arrows Group
Rate: £450.00 - £550.00 per day
Posted: 3 days ago
London
Harvey Nash plc
Rate: £500 - £535 per annum
Posted: 3 days ago
London
Mortimer Spinks
Rate: £400 - £450 per day
Posted: 3 days ago
London
Networking People
Rate: £450 - £500 per day
Posted: 3 days ago
London
PCR
Rate: £375 - £450 per day
Posted: 3 days ago
London
Search Point
Rate: £850 - £900 per day
Posted: 3 days ago
Wigan, Lancashire
Uniting Ambition
Rate: 300
Posted: 3 days ago
London
Explore Recruitment Solutions
Rate: £350 - £400 per day
Posted: 3 days ago
Berkshire
Lawrence Harvey Enterprise
Rate: £275 - £375 per day
Posted: 3 days ago
Leeds, West Yorkshire
Arrows Group
Rate: £450.00 - £500.00 per day
Posted: 3 days ago
London
Digitech Resourcing Ltd
Rate: From £400 to £500 per day
Posted: 3 days ago
West Sussex
Salt
Rate: £300 - £450 per day
Posted: 3 days ago
Leeds, West Yorkshire
Arrows Group
Rate: £450.00 - £550.00 per day
Posted: 3 days ago
London
solocal
Salary: market rate
Posted: 3 days ago
Berkshire
Lawrence Harvey Enterprise
Rate: £400 - £500 per day
Posted: 3 days ago
South East London
Staffworx Ltd
Rate: market rates, 12 months contracts
Posted: 4 days ago
Central London / West End
Intelletec
Rate: From £600 to £700 per day
Posted: 4 days ago
London
McGregor Boyall
Rate: £600 - £650 per day + depending on experience
Posted: 4 days ago
London
McGregor Boyall
Rate: £650 per day + depending on experience
Posted: 4 days ago
West London
Oliver Bernard
Rate: £550 - £600 per day
Posted: 4 days ago
London
Experis Ltd
Rate: £400 - £535 per day
Posted: 4 days ago
London
PCR
Rate: £400 - £450 per annum + likely extension
Posted: 4 days ago