Period
to 14 November 2019

The following table provides summary statistics for permanent job vacancies advertised in the UK excluding London 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 14 November 2019 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
UK > UK excluding London
6 months to
14 Nov 2019
Same period 2018 Same period 2017
Rank 36 28 24
Rank change year-on-year -8 -4 +7
Permanent jobs citing TDD 4,581 7,027 8,250
As % of all permanent IT jobs advertised in the UK excluding London 5.85% 7.65% 8.19%
As % of the Processes & Methodologies category 6.40% 8.36% 8.98%
Number of salaries quoted 3,713 6,072 7,118
UK excluding London median annual salary £50,000 £47,500 £45,000
Median salary % change year-on-year +5.26% +5.56% -
10th Percentile £32,500 £32,500 £32,500
90th Percentile £71,250 £70,000 £65,000
UK median annual salary £57,500 £55,000 £52,500
% change year-on-year +4.55% +4.76% +5.00%

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 the UK excluding London with a requirement for process or methodology skills.

All Process and Methodology Skills
UK excluding London
Permanent vacancies with a requirement for process or methodology skills 71,591 84,006 91,856
As % of all permanent IT jobs advertised in the UK excluding London 91.39% 91.49% 91.20%
Number of salaries quoted 56,082 66,480 74,538
UK excluding London median annual salary £45,000 £45,000 £42,500
Median salary % change year-on-year - +5.88% -
10th Percentile £27,500 £26,250 £26,250
90th Percentile £71,250 £70,000 £66,000
UK median annual salary £52,500 £50,000 £50,000
% change year-on-year +5.00% - +4.17%

TDD
Job Vacancy Trend in the UK excluding London

Job postings citing TDD as a percentage of all IT jobs advertised in the UK excluding London.

Job vacancy trend for TDD in the UK excluding London

TDD
Salary Trend in the UK excluding London

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

Salary trend for TDD in the UK excluding London

TDD
Salary Histogram in the UK excluding London

The salary distribution of IT jobs citing TDD in the UK excluding London over the 6 months to 14 November 2019.

Salary histogram for TDD in the UK excluding London

TDD
Job Locations in the UK excluding London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing TDD within the UK excluding London region over the 6 months to 14 November 2019. 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
South East -8 1,528 £51,500 +3.00% 242
North of England -8 1,274 £52,500 +10.53% 351
North West -6 797 £54,000 +8.00% 191
South West -24 505 £47,500 - 103
Midlands -31 445 £50,000 +11.11% 154
East of England -8 436 £55,000 +10.00% 102
Yorkshire -18 403 £50,000 +11.11% 115
Scotland -3 304 £50,000 +5.26% 78
West Midlands -29 264 £50,000 +11.11% 92
East Midlands -25 179 £42,500 - 62
Wales -20 93 £47,500 +5.56% 21
North East -6 74 £47,000 +4.44% 45
Northern Ireland -23 28 £51,250 +28.13% 8
Isle of Man - 1 £60,000 -
TDD
UK

For the 6 months to 14 November 2019, 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 UK excluding London region with a requirement for TDD.

1 3,262 (71.21%) Agile Software Development
2 2,044 (44.62%) JavaScript
3 1,935 (42.24%) C#
4 1,737 (37.92%) BDD
5 1,722 (37.59%) .NET
6 1,447 (31.59%) Scrum
7 1,438 (31.39%) Java
8 1,249 (27.26%) HTML
9 1,208 (26.37%) Git (software)
10 1,178 (25.71%) AngularJS
11 1,153 (25.17%) CSS
12 1,125 (24.56%) MVC
13 1,105 (24.12%) Continuous Integration
14 1,093 (23.86%) Software Engineering
15 1,090 (23.79%) SQL
16 1,031 (22.51%) Test Automation
17 1,020 (22.27%) DevOps
18 988 (21.57%) Azure
19 890 (19.43%) ASP.NET
20 881 (19.23%) AWS
21 862 (18.82%) SQL Server
22 807 (17.62%) React
23 768 (16.76%) Microservices
24 748 (16.33%) Web Services
25 698 (15.24%) Spring
26 672 (14.67%) OO
27 668 (14.58%) Node.js
28 648 (14.15%) RESTful
29 639 (13.95%) Microsoft
30 615 (13.43%) Docker

TDD
Co-occurring IT Skills in the UK excluding London 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
1 260 (5.68%) Confluence
2 96 (2.10%) Elasticsearch
3 82 (1.79%) CMS
4 69 (1.51%) Apache
5 64 (1.40%) WordPress
6 61 (1.33%) JBoss
7 54 (1.18%) Tomcat
8 46 (1.00%) IIS
9 42 (0.92%) nginx
10 37 (0.81%) Sitecore CMS
11 34 (0.74%) Cloud Foundry
12 32 (0.70%) Apache Spark
13 28 (0.61%) Umbraco
14 23 (0.50%) Drupal
14 23 (0.50%) WebSphere
15 21 (0.46%) SharePoint
16 18 (0.39%) NServiceBus
17 15 (0.33%) Apache Solr
17 15 (0.33%) SugarCRM
18 10 (0.22%) WebLogic
Applications
1 23 (0.50%) Photoshop
2 18 (0.39%) Adobe Illustrator
3 12 (0.26%) S-PLUS
4 9 (0.20%) Adobe XD
4 9 (0.20%) InVision
4 9 (0.20%) Microsoft Excel
5 6 (0.13%) Chatbot
5 6 (0.13%) MS Visio
5 6 (0.13%) Sketch
5 6 (0.13%) Zeplin
6 5 (0.11%) Gliffy
7 4 (0.087%) Microsoft Office
8 3 (0.065%) Adobe Creative Suite
8 3 (0.065%) OmniGraffle
9 2 (0.044%) InDesign
10 1 (0.022%) EngageOne
Business Applications
1 70 (1.53%) Dynamics CRM
2 30 (0.65%) WebTrends
3 13 (0.28%) Payment Gateway
4 10 (0.22%) SDL Web 8
5 8 (0.17%) Adobe Campaign
6 7 (0.15%) Magento
6 7 (0.15%) SAP Hybris
7 2 (0.044%) Dynamics NAV
7 2 (0.044%) Maximo
8 1 (0.022%) Fredhopper
8 1 (0.022%) NetSuite
8 1 (0.022%) Oracle BPM
Cloud Services
1 988 (21.57%) Azure
2 881 (19.23%) AWS
3 240 (5.24%) GitHub
4 224 (4.89%) Serverless
5 180 (3.93%) SaaS
6 175 (3.82%) GCP
7 80 (1.75%) AWS Lambda
8 72 (1.57%) Amazon EC2
9 53 (1.16%) Amazon S3
10 51 (1.11%) npm
11 50 (1.09%) Slack
12 47 (1.03%) Office 365
13 44 (0.96%) Dynamics 365
14 37 (0.81%) G Suite
15 35 (0.76%) PaaS
16 33 (0.72%) BrowserStack
17 29 (0.63%) Sage Pay
18 27 (0.59%) Azure Functions
19 21 (0.46%) Trello
20 18 (0.39%) OpenShift
Communications & Networking
1 91 (1.99%) Internet
2 88 (1.92%) HTTP
3 27 (0.59%) TCP/IP
4 23 (0.50%) HTTPS
5 20 (0.44%) SSL
6 18 (0.39%) SSH
7 16 (0.35%) DNS
8 12 (0.26%) Bluetooth
9 11 (0.24%) Skype
10 9 (0.20%) Hyperconnected
10 9 (0.20%) SNMP
11 8 (0.17%) AMQP
11 8 (0.17%) FTP
11 8 (0.17%) GoToMeeting
11 8 (0.17%) MPLS
11 8 (0.17%) MQTT
11 8 (0.17%) SMTP
11 8 (0.17%) Wireless
12 6 (0.13%) Wi-Fi
13 5 (0.11%) Firewall
Database & Business Intelligence
1 862 (18.82%) SQL Server
2 391 (8.54%) MySQL
3 383 (8.36%) NoSQL
4 248 (5.41%) Relational Database
5 235 (5.13%) MongoDB
6 196 (4.28%) PostgreSQL
7 103 (2.25%) RDBMS
7 103 (2.25%) SQL Server 2016
8 84 (1.83%) Big Data
9 75 (1.64%) Redis
10 55 (1.20%) Hadoop
11 48 (1.05%) GIS
12 44 (0.96%) Azure SQL Database
13 36 (0.79%) Amazon RDS
14 34 (0.74%) SQL Server Reporting Services
15 33 (0.72%) Geospatial Data
15 33 (0.72%) SQL Server 2012
16 30 (0.65%) JasperReports
17 29 (0.63%) Amazon DynamoDB
17 29 (0.63%) Neo4j
Development Applications
1 1,208 (26.37%) Git (software)
2 586 (12.79%) Jenkins
2 586 (12.79%) JIRA
3 495 (10.81%) Selenium
4 283 (6.18%) Maven
5 277 (6.05%) Visual Studio
6 254 (5.54%) Cucumber
7 226 (4.93%) TeamCity
8 192 (4.19%) JUnit
9 168 (3.67%) Team Foundation Server
10 152 (3.32%) Subversion
11 140 (3.06%) NUnit
12 121 (2.64%) WebDriver
13 119 (2.60%) SpecFlow
14 113 (2.47%) GitLab
15 109 (2.38%) SoapUI
16 108 (2.36%) Jasmine
17 105 (2.29%) Atlassian Bamboo
18 102 (2.23%) Gradle
19 99 (2.16%) JMeter
General
1 512 (11.18%) Finance
2 250 (5.46%) Retail
3 148 (3.23%) Marketing
4 137 (2.99%) Public Sector
5 106 (2.31%) Games
6 100 (2.18%) Manufacturing
7 96 (2.10%) Banking
7 96 (2.10%) Telecoms
8 80 (1.75%) Electronics
9 43 (0.94%) Automotive
10 31 (0.68%) Back Office
11 30 (0.65%) Legal
12 27 (0.59%) Aerospace
13 21 (0.46%) Law
13 21 (0.46%) Publishing
14 19 (0.41%) Advertising
15 16 (0.35%) Financial Institution
16 10 (0.22%) Military
16 10 (0.22%) Music Industry
17 9 (0.20%) Pharmaceutical
Job Titles
1 2,956 (64.53%) Developer
2 783 (17.09%) .NET Developer
3 702 (15.32%) Senior Developer
4 675 (14.73%) Software Engineer
5 599 (13.08%) Java Developer
6 578 (12.62%) C# Developer
7 498 (10.87%) Software Developer
8 378 (8.25%) C# .NET Developer
9 254 (5.54%) Front End Developer (Client-Side Developer)
10 233 (5.09%) Senior Software Engineer
11 218 (4.76%) Java Engineer
12 213 (4.65%) PHP Developer
12 213 (4.65%) Senior Java Developer
13 201 (4.39%) Full Stack Developer
14 175 (3.82%) ASP.NET Developer
15 172 (3.75%) Test Engineer
16 168 (3.67%) C# ASP.NET Developer
17 164 (3.58%) Java Software Engineer
18 148 (3.23%) Lead Developer
19 146 (3.19%) C# Software Developer
Libraries, Frameworks & Software Standards
1 1,722 (37.59%) .NET
2 1,249 (27.26%) HTML
3 1,178 (25.71%) AngularJS
4 1,153 (25.17%) CSS
5 890 (19.43%) ASP.NET
6 807 (17.62%) React
7 748 (16.33%) Web Services
8 698 (15.24%) Spring
9 668 (14.58%) Node.js
10 648 (14.15%) RESTful
11 605 (13.21%) ASP.NET MVC
12 526 (11.48%) .NET Framework
13 504 (11.00%) REST
14 489 (10.67%) ASP.NET Web API
15 468 (10.22%) jQuery
16 460 (10.04%) .NET Core
17 353 (7.71%) HTML5
18 328 (7.16%) Entity Framework
19 287 (6.27%) WCF
20 283 (6.18%) Hibernate
Miscellaneous
1 439 (9.58%) Greenfield Project
2 295 (6.44%) User Experience
3 191 (4.17%) Mobile App
4 185 (4.04%) Enterprise Software
5 141 (3.08%) Analytical Skills
6 138 (3.01%) Self-Motivation
7 77 (1.68%) Cloud Native
8 67 (1.46%) Algorithms
9 51 (1.11%) Data Structures
10 36 (0.79%) Virtual Team
11 30 (0.65%) Robotics
12 28 (0.61%) Public Cloud
13 27 (0.59%) BBC
14 26 (0.57%) e-Learning
15 25 (0.55%) Social Media
16 24 (0.52%) Foreign Exchange (FX)
17 22 (0.48%) iPad
18 21 (0.46%) Blog
19 20 (0.44%) Linux Command Line
20 19 (0.41%) Management Information System
Operating Systems
1 448 (9.78%) Linux
2 247 (5.39%) Windows
3 225 (4.91%) Android
4 188 (4.10%) Apple iOS
5 108 (2.36%) Unix
6 40 (0.87%) Windows Server
7 34 (0.74%) Mac OS
8 21 (0.46%) CentOS
9 18 (0.39%) Ubuntu
10 14 (0.31%) Mac OS X
11 8 (0.17%) Debian
12 6 (0.13%) Red Hat Enterprise Linux
12 6 (0.13%) Windows 10
13 5 (0.11%) VMS
13 5 (0.11%) Windows Server 2012
14 2 (0.044%) Windows 7
15 1 (0.022%) Windows Server 2008
Processes & Methodologies
1 3,262 (71.21%) Agile Software Development
2 1,737 (37.92%) BDD
3 1,447 (31.59%) Scrum
4 1,125 (24.56%) MVC
5 1,105 (24.12%) Continuous Integration
6 1,093 (23.86%) Software Engineering
7 1,031 (22.51%) Test Automation
8 1,020 (22.27%) DevOps
9 768 (16.76%) Microservices
10 672 (14.67%) OO
11 572 (12.49%) Mentoring
12 559 (12.20%) Kanban
13 524 (11.44%) Unit Testing
14 473 (10.33%) Problem-Solving
15 452 (9.87%) SOLID
16 393 (8.58%) Continuous Delivery
17 389 (8.49%) E-Commerce
18 369 (8.06%) SDLC
19 356 (7.77%) Computer Science
20 355 (7.75%) Web Development
Programming Languages
1 2,044 (44.62%) JavaScript
2 1,935 (42.24%) C#
3 1,438 (31.39%) Java
4 1,090 (23.79%) SQL
5 488 (10.65%) Python
6 465 (10.15%) PHP
7 324 (7.07%) Java 8
8 281 (6.13%) Ruby
9 262 (5.72%) TypeScript
10 227 (4.96%) C++
11 173 (3.78%) C
12 120 (2.62%) ES6
13 116 (2.53%) T-SQL
14 87 (1.90%) Kotlin
14 87 (1.90%) VB.NET
15 85 (1.86%) PowerShell
16 81 (1.77%) Bash Shell
17 68 (1.48%) PL/SQL
17 68 (1.48%) Scala
18 61 (1.33%) Apple Swift
Qualifications
1 463 (10.11%) Degree
2 186 (4.06%) Computer Science Degree
3 176 (3.84%) Security Cleared
4 100 (2.18%) SC Cleared
5 87 (1.90%) ISTQB
6 73 (1.59%) DV Cleared
7 53 (1.16%) ISEB
8 40 (0.87%) ISTQB Foundation Certification
9 33 (0.72%) Microsoft Certification
10 23 (0.50%) Postgraduate
11 18 (0.39%) Numerate Degree
12 11 (0.24%) PMI Certification
13 10 (0.22%) HNC
13 10 (0.22%) HND
14 8 (0.17%) MCITP
15 5 (0.11%) DBS Check
16 4 (0.087%) Master's Degree
17 3 (0.065%) AWS Certification
17 3 (0.065%) ISTQB Advanced Certification
17 3 (0.065%) SANS
Quality Assurance & Compliance
1 392 (8.56%) QA
2 16 (0.35%) Data Quality
3 14 (0.31%) GDPR
4 13 (0.28%) PSD2
5 3 (0.065%) 21 CFR Part 11
5 3 (0.065%) ISO/IEC 27001
5 3 (0.065%) TickIT
6 2 (0.044%) DICOM
6 2 (0.044%) PCI DSS
6 2 (0.044%) PMO
6 2 (0.044%) WAI
6 2 (0.044%) WCAG
7 1 (0.022%) IEC 62304
7 1 (0.022%) ISO 13485
7 1 (0.022%) SLA
System Software
1 615 (13.43%) Docker
2 42 (0.92%) Active Directory
3 17 (0.37%) Virtual Machines
4 7 (0.15%) Firmware
4 7 (0.15%) Hyper-V
5 6 (0.13%) HDFS
5 6 (0.13%) VMware Infrastructure
6 3 (0.065%) vCloud
6 3 (0.065%) vSphere
7 2 (0.044%) VirtualBox
8 1 (0.022%) Apache ZooKeeper
8 1 (0.022%) LXC
8 1 (0.022%) Oracle RAC
8 1 (0.022%) Shibboleth
8 1 (0.022%) Tivoli Workload Scheduler
Systems Management
1 290 (6.33%) Kubernetes
2 148 (3.23%) Ansible
3 100 (2.18%) Terraform
4 83 (1.81%) Opscode Chef
5 76 (1.66%) Puppet
6 57 (1.24%) HP Quality Center
7 39 (0.85%) Kibana
8 25 (0.55%) Docker Swarm
9 17 (0.37%) logstash
10 12 (0.26%) Single Sign-On
11 11 (0.24%) Mesos
11 11 (0.24%) MIIS
12 10 (0.22%) Marathon
13 8 (0.17%) AirWatch
13 8 (0.17%) Microsoft Intune
14 7 (0.15%) Hadoop YARN
14 7 (0.15%) Salt
15 6 (0.13%) Prometheus
16 5 (0.11%) Matomo
17 4 (0.087%) Istio
Vendors
1 639 (13.95%) Microsoft
2 272 (5.94%) Oracle
3 224 (4.89%) Google
4 132 (2.88%) Atlassian
5 102 (2.23%) SAP
6 81 (1.77%) WorldPay
7 75 (1.64%) Adobe
8 58 (1.27%) Zend
9 46 (1.00%) Salesforce.com
10 44 (0.96%) Apple
11 42 (0.92%) HP
12 39 (0.85%) hybris
13 38 (0.83%) Sage
13 38 (0.83%) Sitecore
14 37 (0.81%) Splunk
15 34 (0.74%) Xamarin
16 33 (0.72%) Cypress Semiconductor
17 28 (0.61%) IBM
18 19 (0.41%) Facebook
19 17 (0.37%) Twitter