Period
to 16 July 2018

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 16 July 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
UK > England
6 months to
16 Jul 2018
Same period 2017 Same period 2016
Rank 22 19 23
Rank change year-on-year -3 +4 +3
Permanent jobs citing TDD 14,555 15,510 15,625
As % of all permanent IT jobs advertised in England 8.85% 9.28% 8.16%
As % of the Processes & Methodologies category 9.76% 10.24% 9.06%
Number of salaries quoted 12,484 13,716 14,223
England median annual salary £52,500 £52,500 £52,500
10th Percentile £33,750 £33,000 £32,500
90th Percentile £82,500 £78,750 £77,500
UK median annual salary £52,500 £51,000 £50,000
% change year-on-year +2.94% +2.00% +4.17%

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 149,061 151,507 172,398
As % of all permanent IT jobs advertised in England 90.67% 90.67% 90.04%
Number of salaries quoted 119,997 123,028 145,152
England median annual salary £50,000 £50,000 £50,000
10th Percentile £29,750 £28,000 £27,500
90th Percentile £82,500 £80,000 £77,500
UK median annual salary £50,000 £49,000 £47,500
% change year-on-year +2.04% +3.16% -

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 16 July 2018.

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 16 July 2018. 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 -4 6,948 £65,000 +4.00% 1,055
South East -2 2,544 £47,500 - 266
North of England +1 2,226 £45,000 +5.88% 358
North West +1 1,230 £45,000 +5.88% 219
South West +1 1,034 £47,500 +5.56% 112
East of England +4 972 £50,000 +5.26% 139
Midlands -7 839 £45,000 +5.88% 143
Yorkshire +2 834 £45,000 +5.88% 113
West Midlands -9 495 £45,000 +5.88% 82
East Midlands -7 344 £42,500 -5.56% 61
North East -2 163 £45,000 +12.50% 26
TDD
UK

For the 6 months to 16 July 2018, IT jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the England region with a requirement for TDD.

1 11,418 (78.45%) Agile Software Development
2 6,588 (45.26%) C#
3 6,465 (44.42%) BDD
4 6,083 (41.79%) .NET
5 5,682 (39.04%) JavaScript
6 5,432 (37.32%) Java
7 4,550 (31.26%) MVC
8 4,421 (30.37%) Scrum
9 4,207 (28.90%) SQL Server
10 3,768 (25.89%) ASP.NET
11 3,745 (25.73%) AngularJS
12 3,734 (25.65%) SQL
13 3,683 (25.30%) Continuous Integration
14 3,598 (24.72%) HTML
15 3,327 (22.86%) Git (software)
16 3,275 (22.50%) CSS
17 3,185 (21.88%) RESTful
18 3,076 (21.13%) Software Engineering
19 3,013 (20.70%) ASP.NET MVC
20 2,953 (20.29%) Finance
21 2,635 (18.10%) Test Automation
22 2,582 (17.74%) ASP.NET Web API
23 2,505 (17.21%) Amazon AWS
24 2,362 (16.23%) Node.js
25 2,298 (15.79%) Microservices
26 2,230 (15.32%) OO
27 2,228 (15.31%) NoSQL
28 2,202 (15.13%) Web Services
29 2,090 (14.36%) DevOps
30 2,026 (13.92%) 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
1 592 (4.07%) Elasticsearch
2 403 (2.77%) CMS
3 361 (2.48%) Apache Spark
3 361 (2.48%) Tomcat
4 348 (2.39%) Confluence
5 242 (1.66%) Apache
6 237 (1.63%) JBoss
7 182 (1.25%) EPiServer
8 161 (1.11%) IIS
9 146 (1.00%) Umbraco
10 142 (0.98%) Sitecore CMS
11 135 (0.93%) SharePoint
12 129 (0.89%) WebSphere
13 126 (0.87%) nginx
14 112 (0.77%) Cloud Foundry
15 105 (0.72%) OpenStack
16 94 (0.65%) NServiceBus
17 92 (0.63%) Mule
18 91 (0.63%) WebLogic
19 83 (0.57%) Apache Solr
Applications
1 75 (0.52%) Microsoft Excel
2 32 (0.22%) Photoshop
3 19 (0.13%) Chatbot
3 19 (0.13%) Microsoft Project
4 18 (0.12%) Spreadsheet
5 14 (0.096%) Microsoft Office
5 14 (0.096%) MS Visio
6 11 (0.076%) Adobe Illustrator
7 7 (0.048%) Microsoft PowerPoint
8 6 (0.041%) Adobe Premiere
9 5 (0.034%) GIMP
10 4 (0.027%) Doxygen
11 3 (0.021%) LibreOffice
12 2 (0.014%) Mingle
12 2 (0.014%) S-PLUS
13 1 (0.007%) Blender
13 1 (0.007%) Fireworks
13 1 (0.007%) Mathcad
13 1 (0.007%) Simulink
Business Applications
1 72 (0.49%) Dynamics CRM
2 54 (0.37%) Payment Gateway
3 43 (0.30%) Eloqua
4 37 (0.25%) Magento
5 32 (0.22%) thinkFolio
6 29 (0.20%) Distributed Ledger
7 27 (0.19%) Dynamics NAV
7 27 (0.19%) Eagle PACE
7 27 (0.19%) Front Arena
7 27 (0.19%) Markit EDM
8 16 (0.11%) Dynamics AX
9 14 (0.096%) Bloomberg AIM
10 10 (0.069%) Salesforce.com CRM
10 10 (0.069%) SAP Hybris
11 7 (0.048%) Infor M3
12 5 (0.034%) LatentZero
12 5 (0.034%) Oracle Retail
12 5 (0.034%) SAP FI
12 5 (0.034%) SAP MM
12 5 (0.034%) SAP PP
Cloud Services
1 2,505 (17.21%) Amazon AWS
2 1,978 (13.59%) Microsoft Azure
3 460 (3.16%) GitHub
4 364 (2.50%) SaaS
5 283 (1.94%) npm
6 278 (1.91%) Serverless
7 273 (1.88%) Google Cloud Platform
8 185 (1.27%) PaaS
9 158 (1.09%) Cloud Computing
10 152 (1.04%) Amazon EC2
11 143 (0.98%) IaaS
12 126 (0.87%) Slack
13 125 (0.86%) AWS Lambda
14 96 (0.66%) OpenShift
15 93 (0.64%) Amazon S3
16 80 (0.55%) Google Play
17 69 (0.47%) Office 365
18 63 (0.43%) AWS CloudFormation
19 58 (0.40%) Amazon SQS
20 49 (0.34%) NuGet
Communications & Networking
1 424 (2.91%) Internet
2 330 (2.27%) HTTP
3 76 (0.52%) Wireless
4 70 (0.48%) Hyperconnected
5 66 (0.45%) Broadband
6 53 (0.36%) SSL
7 49 (0.34%) TCP/IP
8 41 (0.28%) AMQP
9 33 (0.23%) SMS
10 32 (0.22%) DNS
11 24 (0.16%) Intranet
12 23 (0.16%) VPN
13 22 (0.15%) IPv4
14 21 (0.14%) IPv6
15 13 (0.089%) FIX Connectivity
15 13 (0.089%) Skype
16 12 (0.082%) Value-Added Service
17 10 (0.069%) SMTP
17 10 (0.069%) SSH
17 10 (0.069%) Wi-Fi
Database & Business Intelligence
1 4,207 (28.90%) SQL Server
2 2,228 (15.31%) NoSQL
3 1,627 (11.18%) SQL Server 2016
4 993 (6.82%) MongoDB
5 886 (6.09%) MySQL
6 795 (5.46%) Big Data
7 664 (4.56%) Relational Database
8 593 (4.07%) PostgreSQL
9 387 (2.66%) Hadoop
10 314 (2.16%) Redis
11 276 (1.90%) Apache Cassandra
12 258 (1.77%) SQL Server 2014
13 252 (1.73%) Blockchain
14 210 (1.44%) RDBMS
15 159 (1.09%) Amazon DynamoDB
16 148 (1.02%) SQL Server 2012
17 147 (1.01%) Couchbase
17 147 (1.01%) SQL Server Integration Services
18 144 (0.99%) Neo4j
19 125 (0.86%) Data Warehouse
Development Applications
1 3,327 (22.86%) Git (software)
2 1,502 (10.32%) Jenkins
3 1,425 (9.79%) Selenium
4 1,090 (7.49%) JIRA
5 848 (5.83%) Cucumber
6 814 (5.59%) Maven
7 776 (5.33%) NUnit
8 728 (5.00%) JUnit
9 726 (4.99%) Team Foundation Server
10 714 (4.91%) Visual Studio
11 669 (4.60%) TeamCity
12 553 (3.80%) Subversion
13 408 (2.80%) gulp
14 399 (2.74%) Gradle
15 388 (2.67%) WebDriver
16 374 (2.57%) SpecFlow
17 369 (2.54%) webpack
18 330 (2.27%) Atlassian Bamboo
19 328 (2.25%) Octopus Deploy
20 297 (2.04%) Jasmine
General
1 2,953 (20.29%) Finance
2 956 (6.57%) Banking
3 908 (6.24%) Games
4 878 (6.03%) Retail
5 581 (3.99%) Marketing
6 462 (3.17%) Advertising
7 361 (2.48%) Investment Banking
8 340 (2.34%) Telecoms
9 291 (2.00%) Financial Institution
10 212 (1.46%) Electronics
11 193 (1.33%) Manufacturing
12 172 (1.18%) Front Office
13 155 (1.06%) Law
14 119 (0.82%) Legal
15 110 (0.76%) Publishing
16 99 (0.68%) Back Office
16 99 (0.68%) Music Industry
17 74 (0.51%) Automotive
18 36 (0.25%) Pharmaceutical
19 35 (0.24%) Multimedia
Job Titles
1 10,266 (70.53%) Developer
2 3,781 (25.98%) .NET Developer
3 2,484 (17.07%) C# Developer
4 2,452 (16.85%) Java Developer
5 1,991 (13.68%) Senior Developer
6 1,684 (11.57%) C# .NET Developer
7 1,365 (9.38%) Software Engineer
8 1,099 (7.55%) Software Developer
9 833 (5.72%) ASP.NET Developer
10 793 (5.45%) C# ASP.NET Developer
11 704 (4.84%) Senior Java Developer
12 672 (4.62%) ASP.NET MVC Developer
13 656 (4.51%) JavaScript Developer
14 610 (4.19%) Java Engineer
15 586 (4.03%) Lead Developer
16 544 (3.74%) Front End Developer (Client-Side Developer)
17 500 (3.44%) Full Stack Developer
18 467 (3.21%) Agile Developer
19 457 (3.14%) Senior .NET Developer
20 407 (2.80%) .NET Software Developer
Libraries, Frameworks & Software Standards
1 6,083 (41.79%) .NET
2 3,768 (25.89%) ASP.NET
3 3,745 (25.73%) AngularJS
4 3,598 (24.72%) HTML
5 3,275 (22.50%) CSS
6 3,185 (21.88%) RESTful
7 3,013 (20.70%) ASP.NET MVC
8 2,582 (17.74%) ASP.NET Web API
9 2,362 (16.23%) Node.js
10 2,202 (15.13%) Web Services
11 2,026 (13.92%) Spring
12 1,917 (13.17%) React
13 1,868 (12.83%) WCF
14 1,778 (12.22%) .NET Framework
15 1,732 (11.90%) REST
16 1,657 (11.38%) HTML5
17 1,456 (10.00%) ASP.NET MVC 5
18 1,363 (9.36%) jQuery
19 1,263 (8.68%) Entity Framework
20 1,001 (6.88%) Twitter Bootstrap
Miscellaneous
1 1,700 (11.68%) Greenfield Project
2 1,088 (7.48%) Computer Science
3 1,085 (7.45%) User Experience
4 854 (5.87%) Fintech
5 711 (4.88%) Mobile App
6 684 (4.70%) Analytical Skills
7 628 (4.31%) Enterprise Software
8 320 (2.20%) Self-Motivation
9 288 (1.98%) Algorithms
10 223 (1.53%) Data Structures
11 201 (1.38%) Cyberthreat
12 169 (1.16%) Equities
13 165 (1.13%) Hedge funds
14 133 (0.91%) Fixed Income
15 124 (0.85%) Cloud Native
16 122 (0.84%) Social Network
17 117 (0.80%) Foreign Exchange (FX)
18 115 (0.79%) Linux Command Line
19 113 (0.78%) Tandem
20 109 (0.75%) Derivative
Operating Systems
1 1,488 (10.22%) Linux
2 960 (6.60%) Windows
3 626 (4.30%) Android
4 472 (3.24%) Apple iOS
5 366 (2.51%) Unix
6 58 (0.40%) Windows Server
7 44 (0.30%) Mac OS
8 42 (0.29%) Ubuntu
9 33 (0.23%) Embedded Linux
10 28 (0.19%) CentOS
11 27 (0.19%) Nucleus RTOS
12 22 (0.15%) Mac OS X
13 20 (0.14%) FreeBSD
13 20 (0.14%) VMS
14 19 (0.13%) Windows Phone
15 18 (0.12%) Solaris
16 16 (0.11%) Red Hat Enterprise Linux
17 15 (0.10%) Amazon Linux
17 15 (0.10%) openSUSE
18 10 (0.069%) Debian
Processes & Methodologies
1 11,418 (78.45%) Agile Software Development
2 6,465 (44.42%) BDD
3 4,550 (31.26%) MVC
4 4,421 (30.37%) Scrum
5 3,683 (25.30%) Continuous Integration
6 3,076 (21.13%) Software Engineering
7 2,635 (18.10%) Test Automation
8 2,298 (15.79%) Microservices
9 2,230 (15.32%) OO
10 2,090 (14.36%) DevOps
11 1,896 (13.03%) Web Application Development
12 1,888 (12.97%) Kanban
13 1,653 (11.36%) Problem-Solving
14 1,465 (10.07%) Unit Testing
15 1,264 (8.68%) SOLID
16 1,187 (8.16%) Mentoring
17 1,185 (8.14%) Continuous Delivery
18 1,184 (8.13%) SDLC
19 1,173 (8.06%) Pair Programming
20 1,131 (7.77%) Web Development
Programming Languages
1 6,588 (45.26%) C#
2 5,682 (39.04%) JavaScript
3 5,432 (37.32%) Java
4 3,734 (25.65%) SQL
5 1,698 (11.67%) Ruby
6 1,655 (11.37%) Python
7 1,341 (9.21%) Java 8
8 917 (6.30%) Scala
9 866 (5.95%) C++
10 865 (5.94%) PHP
11 611 (4.20%) TypeScript
12 609 (4.18%) T-SQL
13 437 (3.00%) C
14 388 (2.67%) ES6
15 306 (2.10%) VB.NET
16 250 (1.72%) Go
17 225 (1.55%) Groovy
18 215 (1.48%) PowerShell
19 177 (1.22%) Bash Shell
20 174 (1.20%) Apple Swift
Qualifications
1 1,557 (10.70%) Degree
2 550 (3.78%) Computer Science Degree
3 358 (2.46%) Security Cleared
4 184 (1.26%) SC Cleared
5 128 (0.88%) DV Cleared
6 110 (0.76%) ISEB
7 108 (0.74%) Microsoft Certification
8 98 (0.67%) ISTQB
9 85 (0.58%) Master's Degree
10 53 (0.36%) SAFe Agilist
11 44 (0.30%) Numerate Degree
12 41 (0.28%) AWS Certification
13 37 (0.25%) MCPD
14 33 (0.23%) ISTQB Foundation Certification
15 26 (0.18%) PhD
16 17 (0.12%) Sun Certification
17 15 (0.10%) PMI Certification
18 13 (0.089%) MCTS
19 12 (0.082%) HND
20 10 (0.069%) MCSD
Quality Assurance & Compliance
1 1,209 (8.31%) QA
2 85 (0.58%) GCP
3 65 (0.45%) GDPR
4 54 (0.37%) PCI DSS
5 30 (0.21%) WCAG
6 27 (0.19%) SLA
7 19 (0.13%) Data Quality
7 19 (0.13%) PSD2
8 17 (0.12%) PMO
9 12 (0.082%) ISO/IEC 27001
10 8 (0.055%) GAMP
11 5 (0.034%) Web Application Security Consortium
12 4 (0.027%) DICOM
13 3 (0.021%) Disclosure Scotland
13 3 (0.021%) EMIR
13 3 (0.021%) ISO 9001
13 3 (0.021%) MiFID
13 3 (0.021%) PA-DSS
14 2 (0.014%) Dodd-Frank
14 2 (0.014%) SEPA
System Software
1 1,476 (10.14%) Docker
2 84 (0.58%) VMware Infrastructure
3 56 (0.38%) Active Directory
4 44 (0.30%) HDFS
5 40 (0.27%) Hyper-V
5 40 (0.27%) VirtualBox
6 35 (0.24%) Virtual Machines
7 29 (0.20%) Xen
8 17 (0.12%) Apache ZooKeeper
9 15 (0.10%) vSphere
10 13 (0.089%) Apache Flume
10 13 (0.089%) Firmware
11 9 (0.062%) VMware ESXi
12 8 (0.055%) KVM
13 7 (0.048%) iptables
13 7 (0.048%) LXC
13 7 (0.048%) VMware Server
14 4 (0.027%) Varnish
15 3 (0.021%) Oracle RAC
15 3 (0.021%) zsh
Systems Management
1 486 (3.34%) Ansible
2 452 (3.11%) Kubernetes
3 350 (2.40%) Puppet
4 345 (2.37%) Opscode Chef
5 237 (1.63%) Terraform
6 176 (1.21%) Kibana
7 55 (0.38%) HockeyApp
8 49 (0.34%) Business Desktop Deployment
8 49 (0.34%) Salt
9 43 (0.30%) WSUS
10 42 (0.29%) Mesos
11 28 (0.19%) HP Quality Center
12 26 (0.18%) Icinga
13 24 (0.16%) logstash
14 22 (0.15%) Grafana
15 21 (0.14%) Marathon
16 20 (0.14%) HP ALM
17 17 (0.12%) Single Sign-On
18 16 (0.11%) Cobbler
18 16 (0.11%) Rancher
Vendors
1 1,759 (12.09%) Microsoft
2 757 (5.20%) Oracle
3 716 (4.92%) Google
4 292 (2.01%) Facebook
5 215 (1.48%) Xamarin
6 175 (1.20%) SAP
7 169 (1.16%) Sitecore
8 165 (1.13%) Atlassian
9 147 (1.01%) Apple
10 130 (0.89%) VMware
11 125 (0.86%) Twitter
12 115 (0.79%) Sybase
13 102 (0.70%) Splunk
14 98 (0.67%) Capita
15 95 (0.65%) Salesforce.com
16 93 (0.64%) WorldPay
17 88 (0.60%) IBM
18 80 (0.55%) Tableau
19 69 (0.47%) Zend
20 68 (0.47%) AppDynamics