Period
to 8 August 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 8 August 2020 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
UK > UK excluding London
6 months to
8 Aug 2020
Same period 2019 Same period 2018
Rank 37 37 24
Rank change year-on-year 0 -13 0
Permanent jobs citing TDD 2,197 4,801 7,956
As % of all permanent jobs advertised in the UK excluding London 6.09% 5.84% 8.22%
As % of the Processes & Methodologies category 6.66% 6.37% 8.97%
Number of salaries quoted 2,071 4,062 7,491
Median annual salary £50,000 £50,000 £47,500
Median salary % change year-on-year - +5.26% +5.56%
10th Percentile £34,500 £32,500 £32,500
90th Percentile £73,750 £70,000 £67,500
UK median annual salary £60,000 £55,000 £52,500
% change year-on-year +9.09% +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 32,964 75,374 88,664
As % of all permanent IT jobs advertised in the UK excluding London 91.45% 91.63% 91.59%
Number of salaries quoted 26,215 58,417 70,844
Median annual salary £47,500 £45,000 £45,000
Median salary % change year-on-year +5.56% - +5.88%
10th Percentile £30,000 £27,500 £26,750
90th Percentile £72,500 £70,000 £67,500
UK median annual salary £55,000 £52,500 £50,000
% change year-on-year +4.76% +5.00% -

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 8 August 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 8 August 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 -2 669 £55,000 +4.76% 118
North of England +4 651 £50,000 - 162
North West +1 351 £55,000 +4.76% 105
South West +11 322 £50,000 +11.11% 60
Yorkshire +13 235 £50,000 +11.11% 42
Midlands +5 222 £50,000 +11.11% 69
Scotland +14 172 £46,250 -7.50% 23
West Midlands +27 166 £50,000 +11.11% 49
East of England -38 97 £50,000 - 28
North East +21 65 £45,000 +4.65% 15
East Midlands -11 56 £45,000 - 20
Wales +6 49 £45,000 - 13
Northern Ireland +16 16 £56,000 +17.89% 7
Isle of Man - 3 £47,500 -
TDD
UK

For the 6 months to 8 August 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 1,573 (71.60%) Agile Software Development
2 989 (45.02%) C#
3 974 (44.33%) JavaScript
4 911 (41.47%) .NET
5 853 (38.83%) BDD
6 655 (29.81%) Java
7 607 (27.63%) Scrum
8 595 (27.08%) SQL
9 592 (26.95%) Azure
10 586 (26.67%) AngularJS
11 564 (25.67%) Software Engineering
12 549 (24.99%) DevOps
13 532 (24.21%) HTML
14 492 (22.39%) CSS
15 489 (22.26%) Git (software)
16 465 (21.17%) MVC
17 457 (20.80%) Test Automation
18 450 (20.48%) AWS
19 444 (20.21%) React
20 428 (19.48%) .NET Core
21 411 (18.71%) Microservices
22 396 (18.02%) ASP.NET
23 394 (17.93%) Continuous Integration
24 389 (17.71%) SQL Server
25 388 (17.66%) Docker
26 338 (15.38%) Node.js
27 326 (14.84%) OO
28 322 (14.66%) Web Services
29 306 (13.93%) RESTful
30 298 (13.56%) .NET Framework

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 58 (2.64%) Confluence
2 57 (2.59%) Tomcat
3 53 (2.41%) Elasticsearch
4 49 (2.23%) CMS
5 44 (2.00%) Apache
6 30 (1.37%) IIS
7 23 (1.05%) Apache Spark
7 23 (1.05%) nginx
8 19 (0.86%) Umbraco
9 14 (0.64%) NServiceBus
9 14 (0.64%) SharePoint
10 13 (0.59%) Oracle Workflow
10 13 (0.59%) WebSphere
11 10 (0.46%) JBoss
11 10 (0.46%) Sitecore CMS
12 8 (0.36%) Mule
13 4 (0.18%) Cloud Foundry
13 4 (0.18%) EPiServer
13 4 (0.18%) OpenStack
13 4 (0.18%) Orchard CMS
Applications
1 8 (0.36%) Chatbot
1 8 (0.36%) Microsoft Excel
2 6 (0.27%) Microsoft Office
3 5 (0.23%) Adobe Creative Suite
3 5 (0.23%) MS Visio
4 3 (0.14%) Adobe XD
4 3 (0.14%) InVision
4 3 (0.14%) Zeplin
Business Applications
1 22 (1.00%) Dynamics CRM
2 8 (0.36%) SDL Web 8
3 5 (0.23%) Magento
4 4 (0.18%) Dynamics NAV
5 2 (0.091%) IBM Operational Decision Manager
5 2 (0.091%) Remedy ITSM
6 1 (0.046%) Payment Gateway
Cloud Services
1 592 (26.95%) Azure
2 450 (20.48%) AWS
3 123 (5.60%) SaaS
4 121 (5.51%) Serverless
5 84 (3.82%) GCP
6 66 (3.00%) GitHub
7 55 (2.50%) AWS Lambda
8 43 (1.96%) npm
9 38 (1.73%) Amazon EC2
10 34 (1.55%) Cloud Computing
11 31 (1.41%) PaaS
12 22 (1.00%) Amazon S3
13 21 (0.96%) OpenShift
14 19 (0.86%) Dynamics 365
15 13 (0.59%) Amazon SQS
15 13 (0.59%) Cloudflare
16 12 (0.55%) Azure Functions
17 11 (0.50%) AWS CloudFormation
17 11 (0.50%) NuGet
18 9 (0.41%) Slack
Communications & Networking
1 57 (2.59%) Skype
2 29 (1.32%) HTTP
3 21 (0.96%) Internet
4 16 (0.73%) DNS
5 14 (0.64%) TCP/IP
6 7 (0.32%) MQTT
6 7 (0.32%) Wireless
7 6 (0.27%) AMQP
7 6 (0.27%) Broadband
7 6 (0.27%) SSL
8 5 (0.23%) Network Security
8 5 (0.23%) SMTP
9 4 (0.18%) Firewall
9 4 (0.18%) H.323
10 2 (0.091%) Bluetooth
10 2 (0.091%) VLAN
11 1 (0.046%) PPP
11 1 (0.046%) SSH
11 1 (0.046%) VoIP
11 1 (0.046%) Wi-Fi
Database & Business Intelligence
1 389 (17.71%) SQL Server
2 188 (8.56%) NoSQL
3 175 (7.97%) MySQL
4 123 (5.60%) Relational Database
5 122 (5.55%) MongoDB
6 108 (4.92%) PostgreSQL
7 41 (1.87%) Hadoop
8 40 (1.82%) Redis
9 33 (1.50%) Amazon DynamoDB
9 33 (1.50%) Big Data
10 29 (1.32%) Data Warehouse
11 23 (1.05%) Apache Cassandra
12 19 (0.86%) Azure SQL Database
12 19 (0.86%) SQL Server 2012
13 18 (0.82%) SQL Server Reporting Services
14 14 (0.64%) RDBMS
15 13 (0.59%) Cosmos DB
16 12 (0.55%) Neo4j
17 11 (0.50%) SQL Server Integration Services
18 9 (0.41%) SQL Server 2008
Development Applications
1 489 (22.26%) Git (software)
2 229 (10.42%) Selenium
3 215 (9.79%) Jenkins
4 181 (8.24%) JIRA
5 130 (5.92%) Maven
6 110 (5.01%) Visual Studio
7 80 (3.64%) SpecFlow
8 78 (3.55%) NUnit
9 75 (3.41%) JUnit
9 75 (3.41%) Team Foundation Server
10 61 (2.78%) SoapUI
11 59 (2.69%) WebDriver
12 58 (2.64%) Cucumber
13 56 (2.55%) TeamCity
14 54 (2.46%) Mockito
15 51 (2.32%) Subversion
16 46 (2.09%) webpack
17 39 (1.78%) Cypress.io
18 37 (1.68%) Bitbucket
19 33 (1.50%) Postman
General
1 258 (11.74%) Finance
2 78 (3.55%) Retail
3 56 (2.55%) Banking
4 50 (2.28%) Games
5 44 (2.00%) Marketing
6 34 (1.55%) Public Sector
7 25 (1.14%) Electronics
7 25 (1.14%) Manufacturing
8 24 (1.09%) Telecoms
9 20 (0.91%) Law
10 18 (0.82%) Legal
11 13 (0.59%) Investment Banking
11 13 (0.59%) Military
12 11 (0.50%) Automotive
13 9 (0.41%) Publishing
14 6 (0.27%) Financial Institution
14 6 (0.27%) Pharmaceutical
15 5 (0.23%) Back Office
16 4 (0.18%) Aerospace
16 4 (0.18%) Local Government
Job Titles
1 1,450 (66.00%) Developer
2 418 (19.03%) .NET Developer
3 343 (15.61%) Senior Developer
4 309 (14.06%) Software Developer
5 298 (13.56%) Software Engineer
6 249 (11.33%) Java Developer
7 245 (11.15%) C# Developer
8 155 (7.06%) C# .NET Developer
9 133 (6.05%) Lead Developer
10 127 (5.78%) Full Stack Developer
11 102 (4.64%) Senior .NET Developer
12 101 (4.60%) .NET Software Developer
13 90 (4.10%) Test Engineer
14 81 (3.69%) JavaScript Developer
14 81 (3.69%) Senior Java Developer
14 81 (3.69%) Senior Software Engineer
15 78 (3.55%) PHP Developer
16 77 (3.50%) Java Engineer
17 76 (3.46%) Angular Developer
18 74 (3.37%) Front End Developer (Client-Side Developer)
Libraries, Frameworks & Software Standards
1 911 (41.47%) .NET
2 586 (26.67%) AngularJS
3 532 (24.21%) HTML
4 492 (22.39%) CSS
5 444 (20.21%) React
6 428 (19.48%) .NET Core
7 396 (18.02%) ASP.NET
8 338 (15.38%) Node.js
9 322 (14.66%) Web Services
10 306 (13.93%) RESTful
11 298 (13.56%) .NET Framework
12 296 (13.47%) Spring
13 242 (11.02%) ASP.NET MVC
14 222 (10.10%) REST
15 195 (8.88%) ASP.NET Web API
16 177 (8.06%) Entity Framework
16 177 (8.06%) HTML5
16 177 (8.06%) jQuery
17 171 (7.78%) Vue.js
18 119 (5.42%) Spring Boot
Miscellaneous
1 213 (9.70%) Greenfield Project
2 145 (6.60%) User Experience
3 102 (4.64%) Mobile App
4 85 (3.87%) Enterprise Software
5 59 (2.69%) Cloud Native
6 50 (2.28%) Analytical Skills
6 50 (2.28%) Self-Motivation
7 36 (1.64%) Virtual Team
8 34 (1.55%) Data Structures
9 33 (1.50%) Algorithms
10 21 (0.96%) N-Tier
11 14 (0.64%) iPad
11 14 (0.64%) NHS
11 14 (0.64%) Public Cloud
11 14 (0.64%) Social Media
11 14 (0.64%) Video Conferencing
12 11 (0.50%) EPoS
13 9 (0.41%) Life Science
13 9 (0.41%) Robotics
14 8 (0.36%) LIMS
Operating Systems
1 160 (7.28%) Linux
2 115 (5.23%) Windows
3 84 (3.82%) Android
4 76 (3.46%) Apple iOS
5 47 (2.14%) Unix
6 28 (1.27%) Windows Server
7 11 (0.50%) Windows Server 2012
8 8 (0.36%) Mac OS
8 8 (0.36%) Windows Server 2016
9 7 (0.32%) Ubuntu
10 4 (0.18%) CentOS
10 4 (0.18%) Debian
10 4 (0.18%) Windows 10
11 3 (0.14%) Windows XP
12 1 (0.046%) Red Hat Enterprise Linux
12 1 (0.046%) Solaris
12 1 (0.046%) ThreadX
Processes & Methodologies
1 1,573 (71.60%) Agile Software Development
2 853 (38.83%) BDD
3 607 (27.63%) Scrum
4 564 (25.67%) Software Engineering
5 549 (24.99%) DevOps
6 465 (21.17%) MVC
7 457 (20.80%) Test Automation
8 411 (18.71%) Microservices
9 394 (17.93%) Continuous Integration
10 326 (14.84%) OO
11 237 (10.79%) Unit Testing
12 225 (10.24%) Mentoring
13 219 (9.97%) SOLID
14 186 (8.47%) SDLC
15 169 (7.69%) Kanban
16 160 (7.28%) Problem-Solving
17 156 (7.10%) OOP
18 136 (6.19%) Continuous Delivery
19 135 (6.14%) Continuous Improvement
20 133 (6.05%) E-Commerce
Programming Languages
1 989 (45.02%) C#
2 974 (44.33%) JavaScript
3 655 (29.81%) Java
4 595 (27.08%) SQL
5 264 (12.02%) Python
6 231 (10.51%) TypeScript
7 187 (8.51%) PHP
8 109 (4.96%) C++
9 106 (4.82%) Java 8
10 82 (3.73%) T-SQL
11 67 (3.05%) Ruby
12 63 (2.87%) ES6
13 57 (2.59%) Kotlin
13 57 (2.59%) Scala
14 53 (2.41%) C
15 49 (2.23%) Go
16 36 (1.64%) PowerShell
17 33 (1.50%) Apple Swift
18 28 (1.27%) Objective-C
19 25 (1.14%) Groovy
Qualifications
1 220 (10.01%) Degree
2 130 (5.92%) Security Cleared
3 73 (3.32%) Computer Science Degree
4 59 (2.69%) SC Cleared
5 29 (1.32%) DV Cleared
6 25 (1.14%) ISTQB
7 22 (1.00%) ISEB
7 22 (1.00%) Microsoft Certification
8 10 (0.46%) MCITP
9 6 (0.27%) ISTQB Foundation Certification
9 6 (0.27%) Numerate Degree
10 4 (0.18%) CISA
10 4 (0.18%) CISSP
10 4 (0.18%) PhD
10 4 (0.18%) Sun Certification
11 3 (0.14%) MBCS
11 3 (0.14%) PMI Certification
12 2 (0.091%) AWS Certification
12 2 (0.091%) CISM
12 2 (0.091%) CRISC
Quality Assurance & Compliance
1 220 (10.01%) QA
2 9 (0.41%) Data Quality
3 6 (0.27%) GDPR
3 6 (0.27%) PCI DSS
4 5 (0.23%) ISO 9001
5 2 (0.091%) ISO/IEC 27001
5 2 (0.091%) NIST
5 2 (0.091%) WCAG
6 1 (0.046%) ISO 15022
6 1 (0.046%) ISO 20022
6 1 (0.046%) PMO
System Software
1 388 (17.66%) Docker
2 35 (1.59%) VMware Infrastructure
3 29 (1.32%) Active Directory
4 26 (1.18%) vSphere
5 15 (0.68%) NDS
6 14 (0.64%) NetIQ eDirectory
7 6 (0.27%) Hyper-V
8 4 (0.18%) KVM
9 3 (0.14%) vCloud
10 2 (0.091%) Postfix
10 2 (0.091%) Virtual Machines
10 2 (0.091%) VirtualBox
Systems Management
1 181 (8.24%) Kubernetes
2 63 (2.87%) Terraform
3 52 (2.37%) Ansible
4 30 (1.37%) Opscode Chef
5 26 (1.18%) NetIQ Identity Manager
6 14 (0.64%) Puppet
7 13 (0.59%) Tivoli
8 10 (0.46%) Kibana
9 8 (0.36%) Oracle Identity Manager
9 8 (0.36%) Tivoli Identity Manager
10 7 (0.32%) HP Quality Center
11 6 (0.27%) HP ALM
11 6 (0.27%) logstash
11 6 (0.27%) Single Sign-On
12 4 (0.18%) MIIS
13 3 (0.14%) CA Single Sign-On
13 3 (0.14%) Oracle Identity Management
13 3 (0.14%) Salt
14 2 (0.091%) Prometheus
14 2 (0.091%) Rancher
Vendors
1 277 (12.61%) Microsoft
2 111 (5.05%) Oracle
3 60 (2.73%) Google
4 41 (1.87%) Atlassian
5 35 (1.59%) VMware
6 30 (1.37%) SAP
7 28 (1.27%) NetIQ
8 23 (1.05%) ForgeRock
9 17 (0.77%) Zend
10 13 (0.59%) IBM
10 13 (0.59%) Okta
10 13 (0.59%) Sitecore
10 13 (0.59%) Xamarin
11 11 (0.50%) Adobe
11 11 (0.50%) HP
11 11 (0.50%) Sage
12 10 (0.46%) CheckPoint
12 10 (0.46%) Splunk
13 9 (0.41%) CyberArk
14 8 (0.36%) CA