The table below looks at the statistics for TDD skills in IT jobs advertised across the UK. Included is a guide to the average salaries offered in IT jobs that have cited TDD over the 3 months to 1 July 2015 with a comparison to the same period in the previous 2 years.

Location
3 months to
1 Jul 2015
Same period 2014 Same period 2013
Test-Driven Development (TDD)
Rank 25 30 32
Rank change year-on-year
+5 +2
Permanent jobs citing TDD 8441 8084 6964
As % of all permanent IT jobs located in the UK 7.64% 6.74% 6.34%
As % of the Processes & Methodologies category 9.04% 8.15% 7.85%
Number of salaries quoted 7368 7166 6189
Average salary £49,000 £50,000 £47,500
Average salary % change year-on-year
-2.00% +5.26%
90% offered a salary of more than £35,000 £35,000 £32,500
10% offered a salary of more than £70,000 £67,500 £67,500
UK excluding London average salary £42,500 £41,500 £40,000
% change year-on-year
+2.40% +3.75%

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

Processes & Methodologies Category
UK
Permanent IT job ads with a match in the
Processes & Methodologies category
93348 99216 88705
As % of all permanent IT jobs located in the UK 84.48% 82.71% 80.79%
Number of salaries quoted 76240 80334 73064
Average salary £50,000 £48,500 £45,500
Average salary % change year-on-year
+3.09% +6.59%
90% offered a salary of more than £32,500 £31,500 £30,000
10% offered a salary of more than £75,000 £70,000 £72,500
UK excluding London average salary £44,500 £42,500 £40,000
% change year-on-year
+4.70% +6.25%

TDD
Jobs Demand Trend

This chart provides the 3-month moving total of permanent IT 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
Salary Trend

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing TDD within the UK.

TDD Salary Trend in the UK

TDD
Salary Histogram

This chart provides a salary histogram for IT jobs citing TDD over the 3 months to 1 July 2015 within the UK.

TDD Salary Histogram in the UK

TDD
Top 30 Job Locations

The table below looks at the demand and provides a guide to the average salaries quoted in IT jobs citing TDD within the UK over the 3 months to 1 July 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
Permanent
IT Job Ads
Average Salary
Last 3 Months
Average Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +3 8000 £50,000 - 1157
London +2 4193 £55,000 - 570
South East +10 1178 £45,000 - 166
City of London +8 758 £57,500 - 150
North West -2 497 £40,000 - 115
East of England 0 495 £47,500 +5.55% 60
Yorkshire +16 467 £40,000 +6.66% 69
South West +14 459 £40,000 - 85
West Midlands +17 337 £42,500 +3.65% 50
Manchester +4 324 £42,500 +6.25% 68
West Yorkshire +16 316 £42,500 +8.97% 50
East Midlands +11 309 £41,000 +9.33% 29
Hampshire +22 268 £42,500 - 34
Scotland +25 257 £42,500 +6.24% 49
Leeds +19 253 £42,500 +6.91% 39
Bristol +12 207 £42,500 -15.00% 35
Surrey -12 204 £50,000 +5.26% 35
Berkshire +39 196 £52,500 - 25
Hertfordshire +5 184 £50,000 - 25
Glasgow +26 138 £42,500 +6.25% 21
Nottinghamshire +15 125 £42,500 +13.33% 11
Oxfordshire +6 124 £45,000 - 22
Nottingham +17 120 £42,500 +13.33% 9
Birmingham +18 112 £41,500 +3.75% 12
Cheshire -12 112 £40,000 +6.66% 30
East Sussex +6 110 £45,000 +12.50% 11
Buckinghamshire -11 110 £45,000 - 12
Cambridgeshire -13 109 £44,750 -0.55% 21
Brighton +5 93 £45,000 +12.50% 9
Kent +2 92 £40,000 -5.88% 11

TDD
Top 30 Related IT Skills

For the 6 months to 1 July 2015, IT 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 IT job ads sampled that cited TDD.

1 13537 (82.58%) Agile Software Development
2 8205 (50.05%) C#
3 7930 (48.37%) .NET
4 7169 (43.73%) MVC
5 6565 (40.05%) JavaScript
6 6292 (38.38%) Scrum
7 6042 (36.86%) SQL Server
8 5830 (35.56%) ASP.NET
9 5572 (33.99%) BDD
10 5303 (32.35%) HTML
11 5272 (32.16%) Java
12 4704 (28.70%) ASP.NET MVC
13 4500 (27.45%) CSS
14 4404 (26.87%) Continuous Integration
15 4310 (26.29%) SQL
16 3447 (21.03%) OO
17 3264 (19.91%) Git (software)
18 3221 (19.65%) WCF
19 3063 (18.68%) jQuery
20 2884 (17.59%) Web Services
21 2867 (17.49%) Finance
22 2461 (15.01%) Software Engineering
23 2412 (14.71%) AngularJS
24 2397 (14.62%) RESTful
25 2384 (14.54%) Spring
26 2366 (14.43%) Microsoft
27 2364 (14.42%) HTML5
28 2354 (14.36%) Web Application Development
29 2327 (14.20%) .NET Framework
30 2141 (13.06%) Degree

TDD
Top Related IT Skills by Category

For the 6 months to 1 July 2015, IT 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 IT job ads sampled that cited TDD. Up to 20 skills are shown per category.

Application Platforms
1 1888 (11.52%) Node.js
2 590 (3.60%) Tomcat
3 504 (3.07%) Apache
4 456 (2.78%) CMS
5 319 (1.95%) SharePoint
6 283 (1.73%) IIS
7 270 (1.65%) JBoss
8 263 (1.60%) Elasticsearch
9 219 (1.34%) Apache Solr
10 208 (1.27%) WebSphere
11 166 (1.01%) WebLogic
12 159 (0.97%) nginx
13 143 (0.87%) Umbraco
14 137 (0.84%) BizTalk Server
15 136 (0.83%) Confluence
16 133 (0.81%) Sitecore CMS
17 129 (0.79%) NServiceBus
18 88 (0.54%) WordPress
19 83 (0.51%) Apache Spark
20 74 (0.45%) Drupal
Applications
1 904 (5.51%) MS Excel
2 70 (0.43%) MS Office
3 69 (0.42%) Photoshop
4 44 (0.27%) MS Visio
5 26 (0.16%) Adobe Illustrator
6 13 (0.079%) Mingle
7 11 (0.067%) Adobe Creative Suite
8 9 (0.055%) MS Project
8 9 (0.055%) InfoPath
9 5 (0.031%) CPLEX
10 4 (0.024%) Fireworks
11 3 (0.018%) AutoCAD
11 3 (0.018%) MS PowerPoint
11 3 (0.018%) Spreadsheet
11 3 (0.018%) PowerPivot
12 2 (0.012%) FastStats
12 2 (0.012%) OmniGraffle
13 1 (0.006%) GIMP
13 1 (0.006%) InDesign
Business Applications
1 99 (0.60%) Dynamics CRM
2 73 (0.45%) Magento
3 56 (0.34%) SAP Oil and Gas
4 21 (0.13%) RMDS
5 19 (0.12%) Oracle BPM
6 17 (0.10%) Sophis RISQUE
7 15 (0.092%) Cognos Business Intelligence
8 14 (0.085%) Cognos TM1
9 9 (0.055%) WebTrends
9 9 (0.055%) Oracle Applications
10 8 (0.049%) Summit
11 7 (0.043%) Dynamics NAV
11 7 (0.043%) Odoo
12 5 (0.031%) Sage CRM
12 5 (0.031%) Sage 200
12 5 (0.031%) Shopify
13 4 (0.024%) ION MarketView
13 4 (0.024%) BusinessWorks
14 3 (0.018%) Oracle EBS R12
14 3 (0.018%) Towers Watson Igloo
Cloud Services
1 885 (5.40%) Amazon AWS
2 757 (4.62%) Microsoft Azure
3 275 (1.68%) SaaS
4 214 (1.31%) GitHub
5 107 (0.65%) Amazon EC2
6 83 (0.51%) Cloud Computing
7 56 (0.34%) Google Cloud Platform
8 55 (0.34%) PaaS
9 40 (0.24%) IaaS
10 36 (0.22%) Office 365
11 31 (0.19%) Heroku
12 26 (0.16%) Amazon S3
13 23 (0.14%) AWS CloudFormation
14 20 (0.12%) Virtual Private Cloud
15 19 (0.12%) Force.com
16 16 (0.098%) OpenShift
17 15 (0.092%) Sumo Logic
17 15 (0.092%) Amazon ElastiCache
17 15 (0.092%) CodePlex
18 13 (0.079%) Google Compute Engine
Communications & Networking
1 767 (4.68%) Internet
2 383 (2.34%) HTTP
3 114 (0.70%) Broadband
3 114 (0.70%) TCP/IP
4 64 (0.39%) DNS
5 40 (0.24%) AMQP
6 38 (0.23%) Ethernet
7 36 (0.22%) SSL
8 24 (0.15%) Intranet
9 22 (0.13%) Network Security
10 20 (0.12%) LDAP
11 18 (0.11%) Firewall
12 16 (0.098%) DHCP
12 16 (0.098%) HTTPS
13 15 (0.092%) FTP
13 15 (0.092%) Bluetooth
14 14 (0.085%) SDH
14 14 (0.085%) MPLS
15 13 (0.079%) DVB
15 13 (0.079%) Wi-Fi
Database & Business Intelligence
1 6042 (36.86%) SQL Server
2 1941 (11.84%) NoSQL
3 1482 (9.04%) MySQL
4 1210 (7.38%) MongoDB
5 1069 (6.52%) Relational Database
6 523 (3.19%) Big Data
7 494 (3.01%) SQL Server 2008
8 441 (2.69%) RDBMS
9 439 (2.68%) PostgreSQL
10 431 (2.63%) SQL Server Integration Services
11 399 (2.43%) Apache Cassandra
12 339 (2.07%) Redis
13 333 (2.03%) Hadoop
14 327 (1.99%) SQL Server Reporting Services
15 313 (1.91%) SQL Server 2012
16 197 (1.20%) Oracle Database
17 175 (1.07%) SQL Server 2005
18 147 (0.90%) RavenDB
19 141 (0.86%) Data Warehouse
20 134 (0.82%) CouchDB
Development Applications
1 3264 (19.91%) Git (software)
2 2056 (12.54%) NUnit
3 1385 (8.45%) Selenium
4 1363 (8.31%) Rhino Mocks
5 1317 (8.03%) Subversion
6 1189 (7.25%) Moq
7 1154 (7.04%) Jenkins
8 1104 (6.73%) Maven
9 1010 (6.16%) Team Foundation Server
10 987 (6.02%) JUnit
11 857 (5.23%) MSTest
12 847 (5.17%) Cucumber
13 795 (4.85%) Visual Studio
14 626 (3.82%) TeamCity
15 593 (3.62%) JIRA
16 477 (2.91%) WebDriver
17 441 (2.69%) Jasmine
18 363 (2.21%) SpecFlow
18 363 (2.21%) Eclipse
19 354 (2.16%) Mockito
General
1 2867 (17.49%) Finance
2 867 (5.29%) Games
3 852 (5.20%) Retail
4 781 (4.76%) Banking
5 639 (3.90%) Marketing
6 512 (3.12%) Telecoms
7 404 (2.46%) Advertising
8 288 (1.76%) Publishing
9 276 (1.68%) Front Office
10 214 (1.31%) Investment Banking
11 204 (1.24%) Back Office
12 154 (0.94%) Law
13 128 (0.78%) Manufacturing
14 111 (0.68%) Financial Institution
15 97 (0.59%) Automotive
16 88 (0.54%) Electronics
17 83 (0.51%) Music Industry
18 63 (0.38%) Legal
19 41 (0.25%) Online Betting
20 40 (0.24%) Pharmaceutical
Job Titles
1 12666 (77.26%) Developer
2 4569 (27.87%) .NET Developer
3 2732 (16.67%) Senior Developer
4 2541 (15.50%) Java Developer
5 2071 (12.63%) C# Developer
6 1376 (8.39%) C# .NET Developer
7 973 (5.94%) Software Engineer
8 959 (5.85%) Software Developer
9 775 (4.73%) Senior Java Developer
10 714 (4.36%) C# ASP.NET Developer
11 710 (4.33%) ASP.NET Developer
12 694 (4.23%) Web Developer
13 606 (3.70%) Senior .NET Developer
14 570 (3.48%) Lead Developer
15 530 (3.23%) Junior
16 527 (3.21%) Analyst
17 502 (3.06%) Junior Developer
18 499 (3.04%) PHP Developer
19 486 (2.96%) Front-End Developer
20 448 (2.73%) Architect
Libraries, Frameworks & Software Standards
1 7930 (48.37%) .NET
2 5830 (35.56%) ASP.NET
3 5303 (32.35%) HTML
4 4704 (28.70%) ASP.NET MVC
5 4500 (27.45%) CSS
6 3221 (19.65%) WCF
7 3063 (18.68%) jQuery
8 2884 (17.59%) Web Services
9 2412 (14.71%) AngularJS
10 2397 (14.62%) RESTful
11 2384 (14.54%) Spring
12 2364 (14.42%) HTML5
13 2327 (14.20%) .NET Framework
14 2015 (12.29%) XML
15 1988 (12.13%) ASP.NET Web API
16 1623 (9.90%) REST
17 1519 (9.27%) WPF
18 1410 (8.60%) Entity Framework
19 1383 (8.44%) CSS3
20 1285 (7.84%) Hibernate
Miscellaneous
1 1268 (7.74%) Computer Science
2 937 (5.72%) Inversion of Control
3 865 (5.28%) Mobile App
4 727 (4.43%) Enterprise Software
5 705 (4.30%) User Experience
6 657 (4.01%) Analytical Skills
7 291 (1.78%) N-Tier
8 272 (1.66%) Mathematics
9 270 (1.65%) Social Media
10 259 (1.58%) Social Network
11 236 (1.44%) Tandem
12 224 (1.37%) Blog
13 222 (1.35%) Client/Server
14 189 (1.15%) BBC
15 183 (1.12%) Smartphone
15 183 (1.12%) Hedge funds
16 178 (1.09%) iPhone
17 173 (1.06%) Derivative
18 164 (1.00%) Algorithms
19 156 (0.95%) Data Structures
Operating Systems
1 1910 (11.65%) Linux
2 1842 (11.24%) Windows
3 1001 (6.11%) Android
4 783 (4.78%) UNIX
5 765 (4.67%) Apple iOS
6 102 (0.62%) Mac OS X
7 100 (0.61%) Windows Phone
8 78 (0.48%) Ubuntu
9 77 (0.47%) Windows 8
10 60 (0.37%) CentOS
11 58 (0.35%) Windows Server 2012
12 53 (0.32%) Debian
13 51 (0.31%) Windows 7
14 42 (0.26%) Solaris
15 34 (0.21%) Red Hat Enterprise Linux
15 34 (0.21%) Windows Phone 8
16 33 (0.20%) Windows Mobile
17 31 (0.19%) CoreOS
18 30 (0.18%) Windows Server 2008
19 27 (0.16%) Windows Vista
Processes & Methodologies
1 13537 (82.58%) Agile Software Development
2 7169 (43.73%) MVC
3 6292 (38.38%) Scrum
4 5572 (33.99%) BDD
5 4404 (26.87%) Continuous Integration
6 3447 (21.03%) OO
7 2461 (15.01%) Software Engineering
8 2354 (14.36%) Web Application Development
9 2103 (12.83%) Kanban
10 1917 (11.69%) Unit Testing
11 1734 (10.58%) E-Commerce
12 1518 (9.26%) Dependency Injection
13 1345 (8.20%) Open Source
14 1290 (7.87%) SDLC
15 1082 (6.60%) OOP
16 1021 (6.23%) Pair Programming
17 979 (5.97%) Mentoring
18 924 (5.64%) SOA
19 896 (5.47%) Web Development
19 896 (5.47%) MVVM
Programming Languages
1 8205 (50.05%) C#
2 6565 (40.05%) JavaScript
3 5272 (32.16%) Java
4 4310 (26.29%) SQL
5 1808 (11.03%) Ruby
6 1374 (8.38%) PHP
7 1209 (7.38%) Python
8 917 (5.59%) C++
9 904 (5.51%) T-SQL
10 641 (3.91%) Scala
11 489 (2.98%) VB.NET
12 371 (2.26%) Groovy
13 336 (2.05%) Objective-C
14 334 (2.04%) VB
15 333 (2.03%) C
16 310 (1.89%) Perl
17 278 (1.70%) PL/SQL
18 228 (1.39%) Bash Shell
19 148 (0.90%) Go
20 143 (0.87%) PowerShell
Qualifications
1 2141 (13.06%) Degree
2 273 (1.67%) ISEB
3 228 (1.39%) Microsoft Certification
4 144 (0.88%) ISTQB
5 90 (0.55%) Security Cleared
6 74 (0.45%) MCSD
7 54 (0.33%) SC Cleared
8 53 (0.32%) ISTQB Foundation Certification
9 48 (0.29%) PhD
10 36 (0.22%) MCP
11 35 (0.21%) MCTS
12 29 (0.18%) PMI Certification
13 27 (0.16%) MCPD
14 26 (0.16%) MCAD
15 23 (0.14%) HND
16 20 (0.12%) Sun Certification
17 15 (0.092%) PMP
17 15 (0.092%) Oracle Certification
18 14 (0.085%) OCP
19 12 (0.073%) DV Cleared
Quality Assurance & Compliance
1 1323 (8.07%) QA
2 53 (0.32%) ISO 9001
3 22 (0.13%) SLA
4 14 (0.085%) WCAG
5 11 (0.067%) PCI DSS
5 11 (0.067%) Dodd-Frank
6 10 (0.061%) HL7
7 7 (0.043%) WAI
7 7 (0.043%) ISO 14001
7 7 (0.043%) ISO 8583
8 6 (0.037%) TickIT
8 6 (0.037%) FATCA
9 5 (0.031%) SNOMED CT
9 5 (0.031%) Sarbanes-Oxley
10 4 (0.024%) EMIR
11 2 (0.012%) GAMP
12 1 (0.006%) ISO 9000
12 1 (0.006%) ISO/IEC 27001
12 1 (0.006%) Basel III
12 1 (0.006%) Solvency II
System Software
1 185 (1.13%) Docker
2 75 (0.46%) VMware Infrastructure
3 36 (0.22%) Varnish
4 27 (0.16%) HDFS
5 24 (0.15%) VirtualBox
6 20 (0.12%) iptables
7 19 (0.12%) Active Directory
8 16 (0.098%) Hyper-V
9 9 (0.055%) Apache ZooKeeper
9 9 (0.055%) LXC
10 5 (0.031%) Firmware
11 4 (0.024%) Oracle RAC
12 3 (0.018%) Squid
12 3 (0.018%) Xen
13 2 (0.012%) vSphere
13 2 (0.012%) Oracle Clusterware
13 2 (0.012%) Platform Symphony
14 1 (0.006%) Ceph
14 1 (0.006%) vCloud
14 1 (0.006%) NFS
Systems Management
1 407 (2.48%) Puppet
2 335 (2.04%) Opscode Chef
3 105 (0.64%) Ansible
4 95 (0.58%) Vagrant
5 64 (0.39%) HP Quality Center
6 57 (0.35%) Nagios
7 54 (0.33%) Salt
8 50 (0.31%) Capistrano
9 26 (0.16%) Kubernetes
10 18 (0.11%) logstash
11 15 (0.092%) Mesos
11 15 (0.092%) ZABBIX
12 13 (0.079%) Apache Shiro
13 12 (0.073%) WMI
14 10 (0.061%) Business Desktop Deployment
15 9 (0.055%) MOM
15 9 (0.055%) Systems Management Server (SMS)
16 8 (0.049%) CA LISA
17 6 (0.037%) Kibana
18 5 (0.031%) Graphite
Vendors
1 2366 (14.43%) Microsoft
2 1387 (8.46%) Oracle
3 537 (3.28%) Facebook
4 530 (3.23%) Google
5 290 (1.77%) Zend
6 263 (1.60%) Twitter
7 235 (1.43%) Apple
8 169 (1.03%) Yahoo!
9 149 (0.91%) Sony
10 146 (0.89%) Sitecore
11 138 (0.84%) Sybase
12 128 (0.78%) IBM
13 126 (0.77%) hybris
14 106 (0.65%) Adobe
15 103 (0.63%) TIBCO
16 96 (0.59%) SAP
17 95 (0.58%) HP
18 92 (0.56%) VMware
19 89 (0.54%) Xamarin
20 87 (0.53%) EPiServer
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