Period
to 19 February 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 19 February 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
UK > England
6 months to
19 Feb 2018
Same period 2017 Same period 2016
Rank 18 19 23
Rank change year-on-year +1 +4 +5
Permanent jobs citing TDD 15,268 14,000 15,920
As % of all permanent IT jobs advertised in England 9.29% 8.55% 8.03%
As % of the Processes & Methodologies category 10.34% 9.55% 9.04%
Number of salaries quoted 13,392 12,792 14,358
England median annual salary £52,500 £50,750 £50,000
Median salary % change year-on-year +3.45% +1.50% -
10th Percentile £32,500 £32,500 £32,500
90th Percentile £80,000 £77,500 £75,000
UK median annual salary £50,000 £50,000 £50,000

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 147,670 146,543 176,127
As % of all permanent IT jobs advertised in England 89.88% 89.54% 88.84%
Number of salaries quoted 120,807 121,658 147,486
England median annual salary £50,000 £50,000 £47,500
Median salary % change year-on-year - +5.26% +5.56%
10th Percentile £29,500 £28,500 £27,750
90th Percentile £81,250 £80,000 £77,500
UK median annual salary £50,000 £48,500 £47,500
% change year-on-year +3.09% +2.11% +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 19 February 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 19 February 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 0 7,132 £62,500 +4.17% 1,139
South East +3 2,885 £45,000 -5.26% 357
North of England +2 2,217 £45,000 - 357
North West +3 1,336 £45,000 - 220
East of England +11 1,095 £50,000 +11.11% 160
South West +7 1,051 £47,500 +7.95% 129
Midlands -2 880 £42,500 - 152
Yorkshire +5 768 £45,000 - 113
East Midlands +6 464 £42,500 - 79
West Midlands -22 409 £40,000 -5.88% 73
North East -8 113 £45,000 +12.50% 24
TDD
UK

For the 6 months to 19 February 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 12,514 (81.96%) Agile Software Development
2 7,400 (48.47%) C#
3 7,151 (46.84%) BDD
4 6,689 (43.81%) .NET
5 5,709 (37.39%) JavaScript
6 5,313 (34.80%) Java
7 5,295 (34.68%) MVC
8 5,186 (33.97%) SQL Server
9 4,596 (30.10%) Scrum
10 4,454 (29.17%) ASP.NET
11 3,780 (24.76%) AngularJS
12 3,761 (24.63%) ASP.NET MVC
13 3,635 (23.81%) Continuous Integration
14 3,624 (23.74%) HTML
15 3,576 (23.42%) RESTful
16 3,497 (22.90%) Git (software)
17 3,403 (22.29%) SQL
18 3,278 (21.47%) CSS
19 2,946 (19.30%) Node.js
20 2,916 (19.10%) Software Engineering
21 2,851 (18.67%) ASP.NET Web API
22 2,773 (18.16%) Test Automation
23 2,730 (17.88%) Web Application Development
24 2,701 (17.69%) OO
25 2,692 (17.63%) Finance
26 2,644 (17.32%) WCF
27 2,611 (17.10%) NoSQL
28 2,572 (16.85%) ASP.NET MVC 5
29 2,236 (14.65%) Amazon AWS
30 2,212 (14.49%) Ruby

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
1 671 (4.39%) Elasticsearch
2 363 (2.38%) Confluence
3 338 (2.21%) Tomcat
4 304 (1.99%) CMS
5 294 (1.93%) Apache Spark
6 290 (1.90%) Apache
7 198 (1.30%) IIS
8 173 (1.13%) JBoss
9 154 (1.01%) Umbraco
10 136 (0.89%) Apache Solr
11 131 (0.86%) OpenStack
12 124 (0.81%) nginx
13 110 (0.72%) WebSphere
14 108 (0.71%) SharePoint
15 104 (0.68%) EPiServer
16 86 (0.56%) Sitecore CMS
17 74 (0.48%) Mule
18 69 (0.45%) BizTalk Server
18 69 (0.45%) WebLogic
19 64 (0.42%) SharePoint 2013
Applications
1 62 (0.41%) Microsoft Excel
2 41 (0.27%) Photoshop
3 26 (0.17%) Microsoft Office
4 17 (0.11%) Adobe Illustrator
5 8 (0.052%) Simulink
6 7 (0.046%) Microsoft Project
7 6 (0.039%) GIMP
8 5 (0.033%) Chatbot
8 5 (0.033%) Microsoft PowerPoint
9 4 (0.026%) InfoPath
10 2 (0.013%) Adobe Creative Suite
10 2 (0.013%) AutoCAD
10 2 (0.013%) HipChat
10 2 (0.013%) MS Visio
10 2 (0.013%) Revit
10 2 (0.013%) S-PLUS
11 1 (0.007%) Spreadsheet
Business Applications
1 70 (0.46%) Dynamics CRM
2 54 (0.35%) Payment Gateway
3 45 (0.29%) Magento
4 21 (0.14%) Eloqua
5 20 (0.13%) Distributed Ledger
6 9 (0.059%) MetaTrader
7 8 (0.052%) Salesforce.com CRM
8 7 (0.046%) Infor M3
9 6 (0.039%) Oracle EBS
9 6 (0.039%) Oracle Retail
10 5 (0.033%) RMDS
11 3 (0.020%) BASE24
11 3 (0.020%) R3 Corda
11 3 (0.020%) SAP ERP
11 3 (0.020%) SAP S/4HANA
11 3 (0.020%) Shopify
11 3 (0.020%) Workday HCM
12 2 (0.013%) Adobe Campaign
12 2 (0.013%) Elite 3E
12 2 (0.013%) Maximo
Cloud Services
1 2,236 (14.65%) Amazon AWS
2 1,519 (9.95%) Microsoft Azure
3 418 (2.74%) GitHub
4 370 (2.42%) SaaS
5 218 (1.43%) npm
6 214 (1.40%) PaaS
7 190 (1.24%) Google Cloud Platform
8 185 (1.21%) Serverless
9 155 (1.02%) Cloud Computing
10 132 (0.86%) Google Play
11 120 (0.79%) IaaS
12 112 (0.73%) Amazon EC2
13 100 (0.65%) Amazon S3
14 98 (0.64%) OpenShift
15 79 (0.52%) AWS Lambda
16 69 (0.45%) AWS CloudFormation
17 64 (0.42%) Slack
18 52 (0.34%) Amazon SQS
19 45 (0.29%) Office 365
20 41 (0.27%) Azure Active Directory
Communications & Networking
1 634 (4.15%) Internet
2 333 (2.18%) HTTP
3 137 (0.90%) Broadband
4 112 (0.73%) Wireless
5 103 (0.67%) Hyperconnected
6 52 (0.34%) SSL
7 51 (0.33%) Firewall
8 50 (0.33%) TCP/IP
8 50 (0.33%) VPN
9 40 (0.26%) AMQP
10 34 (0.22%) DNS
11 22 (0.14%) WAN
12 21 (0.14%) Intranet
13 17 (0.11%) ATM
13 17 (0.11%) Skype
14 16 (0.10%) DMZ
14 16 (0.10%) SSH
15 14 (0.092%) DHCP
16 12 (0.079%) SMS
17 9 (0.059%) Bluetooth
Database & Business Intelligence
1 5,186 (33.97%) SQL Server
2 2,611 (17.10%) NoSQL
3 1,643 (10.76%) SQL Server 2016
4 1,153 (7.55%) MySQL
5 1,135 (7.43%) SQL Server 2014
6 1,062 (6.96%) MongoDB
7 760 (4.98%) Big Data
8 653 (4.28%) Relational Database
9 496 (3.25%) PostgreSQL
10 330 (2.16%) Hadoop
11 319 (2.09%) Redis
12 275 (1.80%) Apache Cassandra
13 219 (1.43%) Amazon DynamoDB
14 182 (1.19%) SQL Server 2008
15 177 (1.16%) SQL Server Integration Services
16 174 (1.14%) RDBMS
17 146 (0.96%) SQL Server Reporting Services
18 138 (0.90%) SQL Server 2012
19 120 (0.79%) Neo4j
20 119 (0.78%) Blockchain
Development Applications
1 3,497 (22.90%) Git (software)
2 1,521 (9.96%) Jenkins
3 1,422 (9.31%) Selenium
4 1,207 (7.91%) NUnit
5 1,119 (7.33%) JIRA
6 963 (6.31%) Cucumber
7 738 (4.83%) JUnit
8 713 (4.67%) Maven
9 695 (4.55%) Subversion
10 686 (4.49%) Rhino Mocks
11 640 (4.19%) Visual Studio
12 636 (4.17%) TeamCity
13 615 (4.03%) Team Foundation Server
14 544 (3.56%) Moq
15 502 (3.29%) WebDriver
16 438 (2.87%) MSTest
17 416 (2.72%) Atlassian Bamboo
18 378 (2.48%) Gradle
19 353 (2.31%) gulp
20 287 (1.88%) webpack
General
1 2,692 (17.63%) Finance
2 1,024 (6.71%) Games
3 859 (5.63%) Banking
4 811 (5.31%) Retail
5 658 (4.31%) Marketing
6 559 (3.66%) Advertising
7 390 (2.55%) Telecoms
8 260 (1.70%) Electronics
9 245 (1.60%) Investment Banking
10 226 (1.48%) Music Industry
11 160 (1.05%) Manufacturing
12 152 (1.00%) Front Office
13 142 (0.93%) Law
14 139 (0.91%) Publishing
15 119 (0.78%) Financial Institution
16 115 (0.75%) Back Office
17 103 (0.67%) Legal
18 89 (0.58%) Retail Banking
19 80 (0.52%) Automotive
20 66 (0.43%) Online Betting
Job Titles
1 11,059 (72.43%) Developer
2 4,551 (29.81%) .NET Developer
3 2,490 (16.31%) Java Developer
4 2,375 (15.56%) C# Developer
5 1,948 (12.76%) Senior Developer
6 1,640 (10.74%) C# .NET Developer
7 1,171 (7.67%) Software Engineer
8 953 (6.24%) Software Developer
9 874 (5.72%) ASP.NET Developer
10 830 (5.44%) C# ASP.NET Developer
11 769 (5.04%) Agile Developer
12 676 (4.43%) JavaScript Developer
13 671 (4.39%) Java Engineer
14 670 (4.39%) ASP.NET MVC Developer
15 656 (4.30%) Senior Java Developer
16 554 (3.63%) Front End Developer (Client-Side Developer)
17 527 (3.45%) Lead Developer
18 502 (3.29%) Full Stack Developer
19 435 (2.85%) Senior .NET Developer
20 404 (2.65%) Junior
Libraries, Frameworks & Software Standards
1 6,689 (43.81%) .NET
2 4,454 (29.17%) ASP.NET
3 3,780 (24.76%) AngularJS
4 3,761 (24.63%) ASP.NET MVC
5 3,624 (23.74%) HTML
6 3,576 (23.42%) RESTful
7 3,278 (21.47%) CSS
8 2,946 (19.30%) Node.js
9 2,851 (18.67%) ASP.NET Web API
10 2,644 (17.32%) WCF
11 2,572 (16.85%) ASP.NET MVC 5
12 1,976 (12.94%) Spring
13 1,953 (12.79%) Web Services
14 1,841 (12.06%) .NET Framework
15 1,766 (11.57%) HTML5
16 1,673 (10.96%) REST
17 1,589 (10.41%) React
18 1,430 (9.37%) jQuery
19 1,377 (9.02%) Entity Framework
20 1,356 (8.88%) WPF
Miscellaneous
1 1,951 (12.78%) Greenfield Project
2 1,200 (7.86%) Computer Science
3 933 (6.11%) User Experience
4 846 (5.54%) Fintech
5 728 (4.77%) Mobile App
6 629 (4.12%) Enterprise Software
7 598 (3.92%) Analytical Skills
8 331 (2.17%) Algorithms
9 201 (1.32%) Social Network
10 193 (1.26%) Data Structures
11 182 (1.19%) Client/Server
12 175 (1.15%) Tandem
13 156 (1.02%) BBC
13 156 (1.02%) Linux Command Line
13 156 (1.02%) Social Media
14 117 (0.77%) Foreign Exchange (FX)
15 116 (0.76%) iPhone
16 111 (0.73%) Online Games
17 107 (0.70%) Digital TV
18 93 (0.61%) Hedge funds
Operating Systems
1 1,533 (10.04%) Linux
2 1,209 (7.92%) Windows
3 767 (5.02%) Android
4 635 (4.16%) Apple iOS
5 426 (2.79%) Unix
6 78 (0.51%) Windows Server
7 51 (0.33%) CentOS
8 37 (0.24%) Mac OS
8 37 (0.24%) Ubuntu
9 27 (0.18%) Debian
10 26 (0.17%) Mac OS X
11 22 (0.14%) Red Hat Enterprise Linux
11 22 (0.14%) Windows Phone
12 19 (0.12%) Nucleus RTOS
12 19 (0.12%) Solaris
13 18 (0.12%) Embedded Linux
14 16 (0.10%) HPUX
15 8 (0.052%) Windows 7
15 8 (0.052%) Windows 8
16 7 (0.046%) Oracle Linux
Processes & Methodologies
1 12,514 (81.96%) Agile Software Development
2 7,151 (46.84%) BDD
3 5,295 (34.68%) MVC
4 4,596 (30.10%) Scrum
5 3,635 (23.81%) Continuous Integration
6 2,916 (19.10%) Software Engineering
7 2,773 (18.16%) Test Automation
8 2,730 (17.88%) Web Application Development
9 2,701 (17.69%) OO
10 2,020 (13.23%) Kanban
11 2,007 (13.15%) Microservices
12 1,874 (12.27%) DevOps
13 1,434 (9.39%) Unit Testing
14 1,188 (7.78%) SDLC
15 1,144 (7.49%) Dependency Injection
16 1,131 (7.41%) Web Development
17 1,130 (7.40%) E-Commerce
18 1,082 (7.09%) Mentoring
19 1,032 (6.76%) SOLID
20 965 (6.32%) Pair Programming
Programming Languages
1 7,400 (48.47%) C#
2 5,709 (37.39%) JavaScript
3 5,313 (34.80%) Java
4 3,403 (22.29%) SQL
5 2,212 (14.49%) Ruby
6 1,503 (9.84%) Python
7 1,115 (7.30%) PHP
8 934 (6.12%) C++
9 842 (5.51%) Scala
10 644 (4.22%) T-SQL
11 468 (3.07%) TypeScript
12 415 (2.72%) ES6
13 409 (2.68%) C
14 349 (2.29%) VB.NET
15 304 (1.99%) Go
16 262 (1.72%) Objective-C
17 256 (1.68%) Groovy
18 246 (1.61%) F#
19 229 (1.50%) Apple Swift
20 210 (1.38%) PowerShell
Qualifications
1 1,585 (10.38%) Degree
2 583 (3.82%) Computer Science Degree
3 278 (1.82%) Security Cleared
4 146 (0.96%) ISEB
5 145 (0.95%) ISTQB
6 143 (0.94%) SC Cleared
7 97 (0.64%) Microsoft Certification
8 64 (0.42%) DV Cleared
9 53 (0.35%) Master's Degree
10 50 (0.33%) PhD
11 38 (0.25%) ISTQB Foundation Certification
12 30 (0.20%) Sun Certification
13 29 (0.19%) Numerate Degree
14 24 (0.16%) PMI Certification
15 19 (0.12%) MCPD
16 17 (0.11%) MCTS
17 16 (0.10%) MCP
17 16 (0.10%) PMP
18 15 (0.098%) MCAD
18 15 (0.098%) MCSD
Quality Assurance & Compliance
1 1,357 (8.89%) QA
2 50 (0.33%) PCI DSS
3 44 (0.29%) GCP
4 43 (0.28%) GDPR
5 19 (0.12%) PMO
6 18 (0.12%) WCAG
7 15 (0.098%) Data Quality
7 15 (0.098%) PSD2
8 14 (0.092%) ISO/IEC 27001
9 11 (0.072%) Web Application Security Consortium
10 10 (0.065%) SLA
11 8 (0.052%) IEC 61508
11 8 (0.052%) IEC 62304
12 7 (0.046%) MiFID
13 5 (0.033%) SEPA
14 4 (0.026%) ISO 9001
15 3 (0.020%) COBIT
15 3 (0.020%) ISO 13485
15 3 (0.020%) ISO 9000
16 2 (0.013%) ISO 22301
System Software
1 1,167 (7.64%) Docker
2 77 (0.50%) VMware Infrastructure
3 47 (0.31%) VirtualBox
4 46 (0.30%) HDFS
5 42 (0.28%) Hyper-V
6 33 (0.22%) Xen
7 27 (0.18%) Active Directory
8 25 (0.16%) Apache ZooKeeper
9 21 (0.14%) Apache Flume
10 20 (0.13%) Firmware
11 14 (0.092%) Virtual Machines
12 11 (0.072%) KVM
13 8 (0.052%) VMware ESXi
14 6 (0.039%) vSphere
15 4 (0.026%) NFS
15 4 (0.026%) Samba
15 4 (0.026%) VMware NSX
16 2 (0.013%) Cygwin
16 2 (0.013%) Tivoli Workload Scheduler
17 1 (0.007%) Snort
Systems Management
1 415 (2.72%) Puppet
2 345 (2.26%) Ansible
3 309 (2.02%) Opscode Chef
4 276 (1.81%) Kubernetes
5 218 (1.43%) Kibana
6 140 (0.92%) Terraform
7 128 (0.84%) Business Desktop Deployment
8 118 (0.77%) WSUS
9 65 (0.43%) HockeyApp
10 29 (0.19%) HP Quality Center
11 28 (0.18%) ZABBIX
12 27 (0.18%) logstash
12 27 (0.18%) Nagios
13 24 (0.16%) Salt
14 22 (0.14%) Packer
14 22 (0.14%) Single Sign-On
15 21 (0.14%) CA Service Virtualization
16 19 (0.12%) Mesos
17 17 (0.11%) Marathon
18 16 (0.10%) Hadoop YARN
Vendors
1 1,690 (11.07%) Microsoft
2 821 (5.38%) Google
3 697 (4.57%) Oracle
4 493 (3.23%) Facebook
5 185 (1.21%) Atlassian
6 181 (1.19%) Apple
7 168 (1.10%) Twitter
8 167 (1.09%) Zend
9 145 (0.95%) Sony
10 130 (0.85%) Xamarin
11 127 (0.83%) SAP
12 121 (0.79%) Sitecore
12 121 (0.79%) Yahoo!
13 117 (0.77%) VMware
14 115 (0.75%) IBM
15 101 (0.66%) Salesforce.com
16 91 (0.60%) WorldPay
17 81 (0.53%) Splunk
18 68 (0.45%) Capita
19 66 (0.43%) HP