Period
to 21 November 2017

The following table provides summary statistics for permanent job vacancies advertised in England with a requirement for TDD skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited TDD over the 6 months to 21 November 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
UK > England
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 19 21 24
Rank change year-on-year +2 +3 +4
Permanent jobs citing TDD 15190 14672 16136
As % of all permanent IT jobs advertised in England 8.96% 8.23% 7.89%
As % of the Processes & Methodologies category 9.96% 9.21% 8.89%
Number of salaries quoted 13075 13427 14463
England median annual salary £52,500 £52,500 £50,000
Median salary % change year-on-year - +5.00% -
10th Percentile £33,000 £32,500 £32,500
90th Percentile £80,000 £78,750 £75,000
UK median annual salary £52,500 £50,000 £50,000
% change year-on-year +5.00% - +3.09%

TDD is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in England with a requirement for process or methodology skills.

All Process and Methodology Skills
England
Permanent vacancies with a requirement for process or methodology skills 152449 159358 181424
As % of all permanent IT jobs advertised in England 89.91% 89.39% 88.74%
Number of salaries quoted 121294 133740 151021
England median annual salary £50,000 £50,000 £47,500
Median salary % change year-on-year - +5.26% +5.56%
10th Percentile £28,750 £28,250 £27,500
90th Percentile £80,000 £80,000 £77,500
UK median annual salary £50,000 £49,500 £47,500
% change year-on-year +1.01% +4.21% +5.56%

TDD
Job Vacancy Trend in England

Job postings citing TDD as a percentage of all IT jobs advertised in England.

Job vacancy trend for TDD in England

TDD
Salary Trend in England

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

Salary trend for TDD in England

TDD
Salary Histogram in England

The salary distribution of IT jobs citing TDD in England over the 6 months to 21 November 2017.

Salary histogram for TDD in England

TDD
Job Locations in England

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing TDD within the England region over the 6 months to 21 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
London 0 7642 £61,500 +2.50% 697
South East +7 2615 £47,250 +5.00% 178
North of England +1 2039 £45,000 +5.88% 214
North West +2 1283 £45,000 +5.88% 111
South West +18 986 £45,000 +5.88% 79
East of England +6 978 £49,500 +6.19% 91
Midlands +3 920 £42,500 - 72
Yorkshire +10 679 £45,000 - 92
West Midlands +2 513 £40,000 - 35
East Midlands +2 400 £42,500 - 37
North East -13 77 £45,000 +12.50% 11
TDD
UK

For the 6 months to 21 November 2017, IT jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the England region with a requirement for TDD.

1 12436 (81.87%) Agile Software Development
2 7040 (46.35%) C#
3 6712 (44.19%) BDD
4 6457 (42.51%) .NET
5 5909 (38.90%) JavaScript
6 5387 (35.46%) MVC
7 5362 (35.30%) Java
8 4884 (32.15%) SQL Server
9 4775 (31.44%) Scrum
10 4323 (28.46%) ASP.NET
11 3938 (25.92%) HTML
12 3872 (25.49%) AngularJS
13 3663 (24.11%) Continuous Integration
14 3610 (23.77%) ASP.NET MVC
15 3564 (23.46%) SQL
16 3466 (22.82%) CSS
17 3455 (22.75%) Git (software)
18 3237 (21.31%) RESTful
19 2937 (19.34%) Finance
20 2804 (18.46%) OO
21 2751 (18.11%) Software Engineering
22 2738 (18.03%) Node.js
23 2643 (17.40%) ASP.NET Web API
24 2544 (16.75%) Test Automation
25 2422 (15.94%) WCF
26 2358 (15.52%) NoSQL
27 2353 (15.49%) Web Application Development
28 2298 (15.13%) ASP.NET MVC 5
29 2115 (13.92%) Web Services
30 2079 (13.69%) Spring

TDD
Co-occurring IT Skills in England 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
1 654 (4.31%) Elasticsearch
2 423 (2.78%) Tomcat
3 385 (2.53%) Apache
4 384 (2.53%) CMS
5 373 (2.46%) Confluence
6 321 (2.11%) Apache Spark
7 287 (1.89%) JBoss
8 191 (1.26%) IIS
9 185 (1.22%) WebSphere
10 165 (1.09%) Apache Solr
11 164 (1.08%) Umbraco
12 152 (1.00%) OpenStack
13 129 (0.85%) WebLogic
14 114 (0.75%) SharePoint
15 110 (0.72%) nginx
16 108 (0.71%) Mule
17 94 (0.62%) Sitecore CMS
18 84 (0.55%) EPiServer
18 84 (0.55%) Mule ESB
19 79 (0.52%) BizTalk Server
Applications
1 64 (0.42%) Microsoft Excel
2 44 (0.29%) Microsoft Office
3 33 (0.22%) Photoshop
4 25 (0.16%) Microsoft Project
5 8 (0.053%) Microsoft PowerPoint
5 8 (0.053%) MS Visio
5 8 (0.053%) Simulink
6 7 (0.046%) Chatbot
7 6 (0.039%) Adobe Illustrator
8 4 (0.026%) Adobe Creative Suite
8 4 (0.026%) InfoPath
9 3 (0.020%) Autodesk Inventor
9 3 (0.020%) HipChat
9 3 (0.020%) Siemens NX
9 3 (0.020%) Solid Edge
10 2 (0.013%) InDesign
11 1 (0.007%) Acrobat
11 1 (0.007%) Adobe Premiere
11 1 (0.007%) AutoCAD
11 1 (0.007%) Fireworks
Business Applications
1 80 (0.53%) Dynamics CRM
2 59 (0.39%) Magento
3 43 (0.28%) Payment Gateway
4 19 (0.13%) Eloqua
5 15 (0.099%) MetaTrader
6 10 (0.066%) Adobe Campaign
7 9 (0.059%) SAP ERP
7 9 (0.059%) SAP Hybris
7 9 (0.059%) SAP S/4HANA
8 7 (0.046%) RMDS
9 5 (0.033%) Shopify
10 4 (0.026%) Oracle EBS
10 4 (0.026%) Summit
11 3 (0.020%) Salesforce.com CRM
11 3 (0.020%) Visualfiles
12 2 (0.013%) Advent Geneva
12 2 (0.013%) Front Arena
12 2 (0.013%) Maximo
12 2 (0.013%) Oracle BPM
12 2 (0.013%) Sentinel
Cloud Services
1 2044 (13.46%) Amazon AWS
2 1436 (9.45%) Microsoft Azure
3 460 (3.03%) SaaS
4 454 (2.99%) GitHub
5 227 (1.49%) PaaS
6 181 (1.19%) Google Cloud Platform
7 175 (1.15%) npm
8 163 (1.07%) Serverless
9 153 (1.01%) Google Play
10 142 (0.93%) Amazon EC2
11 133 (0.88%) IaaS
12 120 (0.79%) Cloud Computing
13 92 (0.61%) Amazon S3
14 90 (0.59%) AWS Lambda
15 84 (0.55%) AWS CloudFormation
16 68 (0.45%) Amazon SQS
17 65 (0.43%) OpenShift
18 49 (0.32%) Azure Active Directory
19 39 (0.26%) AWS Elastic Beanstalk
20 37 (0.24%) Office 365
Communications & Networking
1 672 (4.42%) Internet
2 350 (2.30%) HTTP
3 123 (0.81%) Broadband
4 80 (0.53%) Hyperconnected
5 74 (0.49%) AMQP
6 73 (0.48%) TCP/IP
7 63 (0.41%) Firewall
8 60 (0.39%) DNS
9 57 (0.38%) Intranet
9 57 (0.38%) SSL
10 50 (0.33%) VPN
11 43 (0.28%) Wireless
12 32 (0.21%) WAN
13 28 (0.18%) DHCP
14 26 (0.17%) ATM
14 26 (0.17%) DMZ
15 24 (0.16%) Extranet
16 23 (0.15%) Skype
17 18 (0.12%) Kerberos
18 15 (0.099%) Bluetooth
Database & Business Intelligence
1 4884 (32.15%) SQL Server
2 2358 (15.52%) NoSQL
3 1267 (8.34%) MySQL
4 1260 (8.29%) SQL Server 2016
5 1165 (7.67%) MongoDB
6 1142 (7.52%) SQL Server 2014
7 698 (4.60%) Relational Database
8 684 (4.50%) Big Data
9 442 (2.91%) PostgreSQL
10 355 (2.34%) Redis
11 353 (2.32%) Apache Cassandra
12 342 (2.25%) Hadoop
13 295 (1.94%) Amazon DynamoDB
14 253 (1.67%) SQL Server 2008
15 247 (1.63%) SQL Server Integration Services
16 195 (1.28%) RDBMS
17 169 (1.11%) SQL Server Reporting Services
18 165 (1.09%) SQL Server 2012
19 113 (0.74%) Oracle Database
20 108 (0.71%) Blockchain
Development Applications
1 3455 (22.75%) Git (software)
2 1588 (10.45%) Jenkins
3 1317 (8.67%) Selenium
4 1208 (7.95%) NUnit
5 1179 (7.76%) JIRA
6 924 (6.08%) Cucumber
7 906 (5.96%) JUnit
8 775 (5.10%) TeamCity
9 740 (4.87%) Subversion
10 718 (4.73%) Maven
11 664 (4.37%) Rhino Mocks
12 652 (4.29%) Visual Studio
13 555 (3.65%) Team Foundation Server
14 531 (3.50%) Moq
15 498 (3.28%) WebDriver
16 374 (2.46%) MSTest
17 357 (2.35%) Atlassian Bamboo
18 349 (2.30%) gulp
19 334 (2.20%) Gradle
20 318 (2.09%) Jasmine
General
1 2937 (19.34%) Finance
2 1105 (7.27%) Banking
3 1032 (6.79%) Games
4 871 (5.73%) Retail
5 826 (5.44%) Marketing
6 536 (3.53%) Telecoms
7 531 (3.50%) Advertising
8 465 (3.06%) Investment Banking
9 373 (2.46%) Electronics
10 332 (2.19%) Retail Banking
11 298 (1.96%) Manufacturing
12 203 (1.34%) Music Industry
13 183 (1.20%) Front Office
14 180 (1.18%) Publishing
15 128 (0.84%) Financial Institution
16 122 (0.80%) Law
17 85 (0.56%) Back Office
18 78 (0.51%) Legal
19 74 (0.49%) Online Betting
20 62 (0.41%) Automotive
Job Titles
1 11004 (72.44%) Developer
2 4362 (28.72%) .NET Developer
3 2477 (16.31%) C# Developer
4 2445 (16.10%) Java Developer
5 2175 (14.32%) Senior Developer
6 1692 (11.14%) C# .NET Developer
7 1126 (7.41%) Software Engineer
8 926 (6.10%) ASP.NET Developer
9 866 (5.70%) C# ASP.NET Developer
10 849 (5.59%) Software Developer
11 794 (5.23%) Agile Developer
12 777 (5.12%) JavaScript Developer
13 742 (4.88%) ASP.NET MVC Developer
14 712 (4.69%) Senior Java Developer
15 662 (4.36%) Full Stack Developer
16 589 (3.88%) Java Engineer
17 571 (3.76%) Lead Developer
18 555 (3.65%) Senior .NET Developer
19 500 (3.29%) Front End Developer (Client-Side Developer)
20 433 (2.85%) PHP Developer
Libraries, Frameworks & Software Standards
1 6457 (42.51%) .NET
2 4323 (28.46%) ASP.NET
3 3938 (25.92%) HTML
4 3872 (25.49%) AngularJS
5 3610 (23.77%) ASP.NET MVC
6 3466 (22.82%) CSS
7 3237 (21.31%) RESTful
8 2738 (18.03%) Node.js
9 2643 (17.40%) ASP.NET Web API
10 2422 (15.94%) WCF
11 2298 (15.13%) ASP.NET MVC 5
12 2115 (13.92%) Web Services
13 2079 (13.69%) Spring
14 1965 (12.94%) REST
15 1960 (12.90%) HTML5
16 1733 (11.41%) .NET Framework
17 1708 (11.24%) React
18 1557 (10.25%) jQuery
19 1349 (8.88%) Entity Framework
20 1341 (8.83%) Twitter Bootstrap
Miscellaneous
1 1795 (11.82%) Greenfield Project
2 1189 (7.83%) Computer Science
3 953 (6.27%) User Experience
4 773 (5.09%) Fintech
5 690 (4.54%) Mobile App
6 636 (4.19%) Enterprise Software
7 511 (3.36%) Analytical Skills
8 313 (2.06%) Algorithms
9 196 (1.29%) Derivative
10 195 (1.28%) Client/Server
11 190 (1.25%) Data Structures
11 190 (1.25%) Social Network
12 169 (1.11%) iPad
13 162 (1.07%) Foreign Exchange (FX)
14 156 (1.03%) Social Media
14 156 (1.03%) Tandem
15 154 (1.01%) BBC
16 144 (0.95%) iPhone
17 130 (0.86%) Hedge funds
18 117 (0.77%) Equity Derivative
Operating Systems
1 1509 (9.93%) Linux
2 1063 (7.00%) Windows
3 789 (5.19%) Android
4 608 (4.00%) Apple iOS
5 385 (2.53%) Unix
6 54 (0.36%) CentOS
7 52 (0.34%) Ubuntu
8 49 (0.32%) Mac OS X
9 46 (0.30%) Debian
10 41 (0.27%) Windows Server
11 38 (0.25%) Mac OS
12 28 (0.18%) Solaris
13 19 (0.13%) HPUX
14 17 (0.11%) Red Hat Enterprise Linux
15 12 (0.079%) Windows Mobile
16 11 (0.072%) Windows Phone
17 8 (0.053%) Embedded Linux
17 8 (0.053%) MVS
18 6 (0.039%) Fedora
18 6 (0.039%) Nucleus RTOS
Processes & Methodologies
1 12436 (81.87%) Agile Software Development
2 6712 (44.19%) BDD
3 5387 (35.46%) MVC
4 4775 (31.44%) Scrum
5 3663 (24.11%) Continuous Integration
6 2804 (18.46%) OO
7 2751 (18.11%) Software Engineering
8 2544 (16.75%) Test Automation
9 2353 (15.49%) Web Application Development
10 2068 (13.61%) Kanban
11 1783 (11.74%) Microservices
12 1671 (11.00%) DevOps
13 1464 (9.64%) Unit Testing
14 1319 (8.68%) SDLC
15 1297 (8.54%) E-Commerce
16 1270 (8.36%) Web Development
17 1220 (8.03%) Mentoring
18 1074 (7.07%) SOLID
19 1030 (6.78%) Dependency Injection
20 1005 (6.62%) Pair Programming
Programming Languages
1 7040 (46.35%) C#
2 5909 (38.90%) JavaScript
3 5362 (35.30%) Java
4 3564 (23.46%) SQL
5 1888 (12.43%) Ruby
6 1512 (9.95%) Python
7 1031 (6.79%) PHP
8 748 (4.92%) Scala
9 731 (4.81%) C++
10 705 (4.64%) T-SQL
11 416 (2.74%) ES6
12 347 (2.28%) TypeScript
13 326 (2.15%) VB.NET
14 318 (2.09%) C
15 275 (1.81%) Objective-C
16 267 (1.76%) Go
17 249 (1.64%) F#
18 245 (1.61%) Apple Swift
19 228 (1.50%) Groovy
20 225 (1.48%) PowerShell
Qualifications
1 1671 (11.00%) Degree
2 635 (4.18%) Computer Science Degree
3 242 (1.59%) Security Cleared
4 184 (1.21%) ISTQB
5 140 (0.92%) ISEB
6 125 (0.82%) SC Cleared
7 102 (0.67%) Microsoft Certification
8 73 (0.48%) PhD
9 49 (0.32%) Master's Degree
10 47 (0.31%) DV Cleared
11 35 (0.23%) ISTQB Foundation Certification
12 29 (0.19%) PMI Certification
13 24 (0.16%) Sun Certification
14 22 (0.14%) MCSD
14 22 (0.14%) MCTS
15 20 (0.13%) MCAD
15 20 (0.13%) MCP
16 19 (0.13%) Numerate Degree
17 15 (0.099%) AWS Certification
18 14 (0.092%) CTC Cleared
Quality Assurance & Compliance
1 1262 (8.31%) QA
2 33 (0.22%) GCP
3 23 (0.15%) PCI DSS
4 16 (0.11%) WCAG
5 15 (0.099%) Data Quality
6 13 (0.086%) ISO 9001
6 13 (0.086%) SLA
7 9 (0.059%) ISO/IEC 27001
7 9 (0.059%) MiFID
8 8 (0.053%) Basel III
8 8 (0.053%) IEC 61508
8 8 (0.053%) IEC 62304
9 7 (0.046%) EMIR
10 6 (0.039%) GDPR
10 6 (0.039%) ISO 14001
10 6 (0.039%) SEPA
11 5 (0.033%) PMO
11 5 (0.033%) Web Application Security Consortium
12 4 (0.026%) Dodd-Frank
12 4 (0.026%) ISO 9000
System Software
1 1096 (7.22%) Docker
2 58 (0.38%) Active Directory
3 50 (0.33%) HDFS
4 37 (0.24%) VMware Infrastructure
5 28 (0.18%) Apache ZooKeeper
6 19 (0.13%) Apache Flume
7 16 (0.11%) VirtualBox
8 14 (0.092%) Firmware
9 11 (0.072%) Hyper-V
10 9 (0.059%) VMware ESXi
11 8 (0.053%) Virtual Machines
12 7 (0.046%) vSphere
13 6 (0.039%) KVM
13 6 (0.039%) Varnish
14 5 (0.033%) NFS
14 5 (0.033%) Samba
14 5 (0.033%) VMware NSX
15 4 (0.026%) Xen
16 3 (0.020%) Cygwin
17 2 (0.013%) Tivoli Workload Scheduler
Systems Management
1 453 (2.98%) Puppet
2 327 (2.15%) Ansible
3 298 (1.96%) Opscode Chef
4 259 (1.71%) Kubernetes
5 209 (1.38%) Kibana
6 132 (0.87%) Terraform
7 98 (0.65%) Business Desktop Deployment
8 92 (0.61%) WSUS
9 54 (0.36%) logstash
10 37 (0.24%) HP Quality Center
11 36 (0.24%) Packer
12 35 (0.23%) Salt
13 33 (0.22%) Mesos
14 29 (0.19%) Nagios
15 22 (0.14%) ZABBIX
16 21 (0.14%) Grafana
16 21 (0.14%) HockeyApp
17 13 (0.086%) CA Service Virtualization
18 12 (0.079%) Hadoop YARN
19 11 (0.072%) Capistrano
Vendors
1 1595 (10.50%) Microsoft
2 786 (5.17%) Oracle
3 777 (5.12%) Google
4 430 (2.83%) Facebook
5 289 (1.90%) SAP
6 218 (1.44%) Apple
7 184 (1.21%) Zend
8 135 (0.89%) IBM
9 133 (0.88%) Atlassian
9 133 (0.88%) Sitecore
10 128 (0.84%) Xamarin
11 126 (0.83%) Sony
12 114 (0.75%) Twitter
13 110 (0.72%) Yahoo!
14 96 (0.63%) Splunk
15 90 (0.59%) hybris
16 60 (0.39%) Adobe
17 56 (0.37%) HP
18 55 (0.36%) Salesforce.com
18 55 (0.36%) VMware