Period
to 31 May 2020

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 31 May 2020 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
UK > UK excluding London
6 months to
31 May 2020
Same period 2019 Same period 2018
Rank 35 33 23
Rank change year-on-year -2 -10 0
Permanent jobs citing TDD 2,955 5,249 8,747
As % of all permanent jobs advertised in the UK excluding London 5.96% 6.37% 8.87%
As % of the Processes & Methodologies category 6.53% 6.94% 9.66%
Number of salaries quoted 2,709 4,492 8,438
Median annual salary £50,000 £50,000 £46,500
Median salary % change year-on-year - +7.53% +3.33%
10th Percentile £35,000 £32,500 £32,500
90th Percentile £72,500 £70,000 £67,500
UK median annual salary £60,000 £55,000 £50,000
% change year-on-year +9.09% +10.00% -

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 45,238 75,678 90,530
As % of all permanent IT jobs advertised in the UK excluding London 91.17% 91.78% 91.76%
Number of salaries quoted 35,663 58,410 73,012
Median annual salary £47,500 £45,000 £45,000
Median salary % change year-on-year +5.56% - +5.88%
10th Percentile £28,750 £27,500 £27,000
90th Percentile £73,750 £70,000 £67,500
UK median annual salary £55,000 £52,500 £50,000
% change year-on-year +4.76% +5.00% +5.26%

TDD
Job Vacancy Trend in the UK excluding London

Job postings citing TDD as a proportion 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

3-month moving average salary quoted in 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

Salary distribution for jobs citing TDD in the UK excluding London over the 6 months to 31 May 2020.

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 31 May 2020. 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 -2 939 £54,000 +8.00% 75
North of England +5 845 £50,000 +5.26% 153
North West +4 452 £52,500 +5.00% 88
South West +6 391 £50,000 +11.11% 57
Yorkshire +5 315 £50,000 +11.11% 43
Midlands -4 284 £50,000 +11.11% 43
Scotland +8 230 £47,500 -5.00% 15
East of England -15 190 £52,500 - 18
West Midlands +7 181 £50,000 +11.11% 26
East Midlands -9 103 £50,000 +11.11% 17
North East +17 78 £45,000 -5.76% 22
Wales +6 73 £45,000 +5.88% 9
Northern Ireland +12 20 £48,500 -0.51% 2
Isle of Man - 6 £47,500 -
TDD
UK

For the 6 months to 31 May 2020, 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 2,168 (73.37%) Agile Software Development
2 1,352 (45.75%) JavaScript
3 1,271 (43.01%) C#
4 1,197 (40.51%) .NET
5 1,192 (40.34%) BDD
6 909 (30.76%) Java
7 873 (29.54%) Scrum
8 837 (28.32%) AngularJS
9 797 (26.97%) Azure
10 781 (26.43%) SQL
11 773 (26.16%) HTML
12 727 (24.60%) CSS
13 726 (24.57%) DevOps
14 701 (23.72%) Software Engineering
15 679 (22.98%) MVC
16 663 (22.44%) Git (software)
17 651 (22.03%) AWS
18 614 (20.78%) Test Automation
19 584 (19.76%) React
20 566 (19.15%) Continuous Integration
21 555 (18.78%) ASP.NET
22 544 (18.41%) Microservices
23 501 (16.95%) SQL Server
24 486 (16.45%) .NET Core
25 466 (15.77%) Node.js
26 446 (15.09%) Docker
27 443 (14.99%) Spring
28 438 (14.82%) Web Services
29 426 (14.42%) Microsoft
30 422 (14.28%) RESTful

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
1 116 (3.93%) Confluence
2 79 (2.67%) Elasticsearch
3 69 (2.34%) CMS
4 61 (2.06%) Tomcat
5 52 (1.76%) Apache
6 42 (1.42%) IIS
7 34 (1.15%) Sitecore CMS
8 32 (1.08%) nginx
9 28 (0.95%) Apache Spark
9 28 (0.95%) Umbraco
10 27 (0.91%) WebSphere
11 21 (0.71%) EPiServer
12 15 (0.51%) JBoss
13 14 (0.47%) SharePoint
14 11 (0.37%) Mule
15 6 (0.20%) OpenStack
15 6 (0.20%) Red Hat Fuse
16 5 (0.17%) Cloud Foundry
16 5 (0.17%) NServiceBus
16 5 (0.17%) SAS
Applications
1 11 (0.37%) Adobe XD
1 11 (0.37%) InVision
1 11 (0.37%) Zeplin
2 10 (0.34%) Chatbot
3 8 (0.27%) Microsoft Excel
3 8 (0.27%) Microsoft Office
4 5 (0.17%) Adobe Creative Suite
4 5 (0.17%) MS Visio
5 4 (0.14%) Microsoft Project
5 4 (0.14%) Spreadsheet
6 1 (0.034%) Adobe Illustrator
6 1 (0.034%) Photoshop
Business Applications
1 39 (1.32%) Dynamics CRM
2 9 (0.30%) Magento
2 9 (0.30%) SDL Web 8
3 6 (0.20%) Dynamics NAV
3 6 (0.20%) WebTrends
4 3 (0.10%) Payment Gateway
5 2 (0.068%) Remedy ITSM
Cloud Services
1 797 (26.97%) Azure
2 651 (22.03%) AWS
3 162 (5.48%) Serverless
4 161 (5.45%) SaaS
5 105 (3.55%) GCP
6 102 (3.45%) GitHub
7 82 (2.77%) AWS Lambda
8 60 (2.03%) PaaS
9 54 (1.83%) Amazon EC2
10 38 (1.29%) Amazon SQS
11 35 (1.18%) Amazon S3
12 32 (1.08%) OpenShift
13 31 (1.05%) npm
14 30 (1.02%) Slack
15 29 (0.98%) Cloud Computing
16 24 (0.81%) Dynamics 365
17 19 (0.64%) Office 365
18 18 (0.61%) AWS CloudFormation
19 17 (0.58%) Heroku
20 16 (0.54%) IaaS
Communications & Networking
1 57 (1.93%) HTTP
2 42 (1.42%) Internet
3 38 (1.29%) Skype
4 13 (0.44%) TCP/IP
5 12 (0.41%) DNS
6 10 (0.34%) SSL
6 10 (0.34%) Wireless
7 7 (0.24%) Bluetooth
7 7 (0.24%) Broadband
7 7 (0.24%) FTP
7 7 (0.24%) MQTT
8 5 (0.17%) SMTP
8 5 (0.17%) Wi-Fi
9 4 (0.14%) Firewall
10 3 (0.10%) AMQP
10 3 (0.10%) VLAN
11 2 (0.068%) Network Security
11 2 (0.068%) Softphone
11 2 (0.068%) VoIP
11 2 (0.068%) WebEx
Database & Business Intelligence
1 501 (16.95%) SQL Server
2 227 (7.68%) MySQL
3 193 (6.53%) NoSQL
4 147 (4.97%) MongoDB
5 146 (4.94%) PostgreSQL
6 130 (4.40%) Relational Database
7 66 (2.23%) Redis
8 59 (2.00%) Big Data
9 58 (1.96%) Hadoop
10 43 (1.46%) Amazon DynamoDB
11 31 (1.05%) SQL Server 2012
12 28 (0.95%) Data Warehouse
13 26 (0.88%) Apache Cassandra
14 25 (0.85%) RDBMS
15 24 (0.81%) Azure SQL Database
16 22 (0.74%) Amazon RDS
17 21 (0.71%) SQL Server Reporting Services
18 15 (0.51%) Cosmos DB
19 14 (0.47%) Neo4j
20 11 (0.37%) SQL Server 2008
Development Applications
1 663 (22.44%) Git (software)
2 341 (11.54%) Jenkins
3 273 (9.24%) Selenium
4 270 (9.14%) JIRA
5 167 (5.65%) Maven
6 152 (5.14%) Visual Studio
7 137 (4.64%) Cucumber
8 130 (4.40%) Team Foundation Server
9 126 (4.26%) JUnit
10 101 (3.42%) NUnit
11 97 (3.28%) SpecFlow
12 89 (3.01%) SoapUI
13 79 (2.67%) TeamCity
14 77 (2.61%) Subversion
15 68 (2.30%) JMeter
15 68 (2.30%) WebDriver
16 67 (2.27%) webpack
17 65 (2.20%) Postman
18 59 (2.00%) Jasmine
19 58 (1.96%) Bitbucket
General
1 369 (12.49%) Finance
2 135 (4.57%) Retail
3 82 (2.77%) Games
4 79 (2.67%) Banking
5 77 (2.61%) Public Sector
6 71 (2.40%) Marketing
7 47 (1.59%) Electronics
8 46 (1.56%) Manufacturing
9 41 (1.39%) Legal
9 41 (1.39%) Telecoms
10 28 (0.95%) Law
11 22 (0.74%) Financial Institution
12 18 (0.61%) Publishing
13 15 (0.51%) Automotive
14 14 (0.47%) Military
15 11 (0.37%) Investment Banking
16 8 (0.27%) Police
17 6 (0.20%) Back Office
17 6 (0.20%) Pharmaceutical
18 5 (0.17%) Norwegian Language
Job Titles
1 1,953 (66.09%) Developer
2 551 (18.65%) .NET Developer
3 496 (16.79%) Senior Developer
4 430 (14.55%) Software Developer
5 389 (13.16%) Java Developer
6 386 (13.06%) Software Engineer
7 376 (12.72%) C# Developer
8 214 (7.24%) C# .NET Developer
9 183 (6.19%) Full Stack Developer
10 145 (4.91%) Senior Java Developer
11 144 (4.87%) Lead Developer
12 143 (4.84%) Senior .NET Developer
13 126 (4.26%) Java Engineer
14 123 (4.16%) Senior Software Engineer
15 122 (4.13%) .NET Software Developer
16 113 (3.82%) C# Software Developer
16 113 (3.82%) Front End Developer (Client-Side Developer)
17 98 (3.32%) Analyst
18 96 (3.25%) PHP Developer
19 95 (3.21%) JavaScript Developer
Libraries, Frameworks & Software Standards
1 1,197 (40.51%) .NET
2 837 (28.32%) AngularJS
3 773 (26.16%) HTML
4 727 (24.60%) CSS
5 584 (19.76%) React
6 555 (18.78%) ASP.NET
7 486 (16.45%) .NET Core
8 466 (15.77%) Node.js
9 443 (14.99%) Spring
10 438 (14.82%) Web Services
11 422 (14.28%) RESTful
12 377 (12.76%) .NET Framework
13 372 (12.59%) ASP.NET MVC
14 321 (10.86%) REST
15 291 (9.85%) HTML5
16 278 (9.41%) ASP.NET Web API
17 274 (9.27%) jQuery
18 240 (8.12%) Entity Framework
19 180 (6.09%) Vue.js
20 177 (5.99%) Spring Boot
Miscellaneous
1 294 (9.95%) Greenfield Project
2 216 (7.31%) User Experience
3 141 (4.77%) Mobile App
4 139 (4.70%) Enterprise Software
5 82 (2.77%) Analytical Skills
6 77 (2.61%) Self-Motivation
7 58 (1.96%) Cloud Native
8 39 (1.32%) Data Structures
9 36 (1.22%) Algorithms
10 34 (1.15%) Virtual Team
11 31 (1.05%) Public Cloud
12 26 (0.88%) N-Tier
13 18 (0.61%) e-Learning
14 16 (0.54%) Social Media
14 16 (0.54%) Video Conferencing
15 15 (0.51%) Client/Server
15 15 (0.51%) EPoS
16 14 (0.47%) iPad
17 13 (0.44%) Management Information System
18 11 (0.37%) Online Games
Operating Systems
1 238 (8.05%) Linux
2 159 (5.38%) Windows
3 110 (3.72%) Apple iOS
4 102 (3.45%) Android
5 73 (2.47%) Unix
6 33 (1.12%) Windows Server
7 13 (0.44%) Windows Server 2012
8 11 (0.37%) Windows Server 2016
9 9 (0.30%) Mac OS
10 8 (0.27%) Windows Server 2019
11 4 (0.14%) Debian
11 4 (0.14%) Ubuntu
11 4 (0.14%) watchOS
11 4 (0.14%) Windows 10
12 3 (0.10%) Windows XP
13 2 (0.068%) Mac OS X
13 2 (0.068%) ThreadX
14 1 (0.034%) CentOS
14 1 (0.034%) Embedded Linux
14 1 (0.034%) FreeBSD
Processes & Methodologies
1 2,168 (73.37%) Agile Software Development
2 1,192 (40.34%) BDD
3 873 (29.54%) Scrum
4 726 (24.57%) DevOps
5 701 (23.72%) Software Engineering
6 679 (22.98%) MVC
7 614 (20.78%) Test Automation
8 566 (19.15%) Continuous Integration
9 544 (18.41%) Microservices
10 381 (12.89%) OO
11 361 (12.22%) Unit Testing
12 312 (10.56%) SOLID
13 274 (9.27%) Mentoring
14 269 (9.10%) SDLC
15 244 (8.26%) Kanban
16 235 (7.95%) Problem-Solving
17 211 (7.14%) Continuous Delivery
18 205 (6.94%) E-Commerce
19 163 (5.52%) Front End Development
20 157 (5.31%) Web Development
Programming Languages
1 1,352 (45.75%) JavaScript
2 1,271 (43.01%) C#
3 909 (30.76%) Java
4 781 (26.43%) SQL
5 351 (11.88%) Python
6 288 (9.75%) TypeScript
7 268 (9.07%) PHP
8 160 (5.41%) Java 8
9 135 (4.57%) C++
10 121 (4.09%) T-SQL
11 117 (3.96%) Ruby
12 93 (3.15%) ES6
13 82 (2.77%) Scala
14 73 (2.47%) Kotlin
15 65 (2.20%) C
16 58 (1.96%) Go
17 50 (1.69%) Apple Swift
17 50 (1.69%) PowerShell
18 35 (1.18%) Groovy
18 35 (1.18%) VB.NET
Qualifications
1 250 (8.46%) Degree
2 111 (3.76%) Security Cleared
3 84 (2.84%) Computer Science Degree
4 44 (1.49%) SC Cleared
5 41 (1.39%) ISEB
6 37 (1.25%) ISTQB
7 31 (1.05%) DV Cleared
8 28 (0.95%) Microsoft Certification
9 13 (0.44%) Numerate Degree
10 11 (0.37%) AWS Certification
11 10 (0.34%) ISTQB Foundation Certification
12 9 (0.30%) TOGAF Certification
13 8 (0.27%) IIBA
13 8 (0.27%) MCITP
14 7 (0.24%) Postgraduate
15 4 (0.14%) CISA
15 4 (0.14%) CISSP
15 4 (0.14%) Sun Certification
16 3 (0.10%) MBCS
16 3 (0.10%) PMI Certification
Quality Assurance & Compliance
1 299 (10.12%) QA
2 11 (0.37%) GDPR
3 9 (0.30%) PCI DSS
4 6 (0.20%) ISO 9001
5 5 (0.17%) ISO 15022
5 5 (0.17%) ISO 20022
6 4 (0.14%) PMBOK
7 2 (0.068%) Data Quality
7 2 (0.068%) ISO/IEC 27001
7 2 (0.068%) NIST
7 2 (0.068%) PMO
8 1 (0.034%) WAI
System Software
1 446 (15.09%) Docker
2 31 (1.05%) VMware Infrastructure
3 24 (0.81%) vSphere
4 17 (0.58%) Active Directory
5 11 (0.37%) Postfix
6 5 (0.17%) NDS
7 4 (0.14%) Hyper-V
7 4 (0.14%) NetIQ eDirectory
8 3 (0.10%) vCloud
9 2 (0.068%) Virtual Machines
9 2 (0.068%) VirtualBox
10 1 (0.034%) Firmware
10 1 (0.034%) HDFS
10 1 (0.034%) KVM
Systems Management
1 203 (6.87%) Kubernetes
2 98 (3.32%) Terraform
3 81 (2.74%) Ansible
4 50 (1.69%) Opscode Chef
5 27 (0.91%) Puppet
6 19 (0.64%) Kibana
7 16 (0.54%) HP Quality Center
8 14 (0.47%) logstash
9 11 (0.37%) NetIQ Identity Manager
10 9 (0.30%) Rancher
11 7 (0.24%) Single Sign-On
12 6 (0.20%) HP ALM
13 5 (0.17%) Docker Swarm
13 5 (0.17%) MIIS
14 4 (0.14%) Salt
14 4 (0.14%) Tivoli
15 3 (0.10%) CA Single Sign-On
16 2 (0.068%) Grafana
16 2 (0.068%) Oracle Identity Manager
16 2 (0.068%) Tivoli Identity Manager
Vendors
1 426 (14.42%) Microsoft
2 181 (6.13%) Oracle
3 96 (3.25%) Google
4 60 (2.03%) Atlassian
5 56 (1.90%) SAP
6 44 (1.49%) Sitecore
7 33 (1.12%) Splunk
8 31 (1.05%) VMware
9 28 (0.95%) Sage
10 27 (0.91%) Adobe
10 27 (0.91%) HP
11 22 (0.74%) IBM
11 22 (0.74%) Xamarin
11 22 (0.74%) Zend
12 19 (0.64%) FIS
12 19 (0.64%) WorldPay
13 13 (0.44%) Apple
14 12 (0.41%) NetIQ
14 12 (0.41%) Salesforce.com
15 10 (0.34%) ForgeRock