Period
to 23 November 2020

The following table provides summary statistics for permanent job vacancies advertised in the South East 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 23 November 2020 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
England > South East
6 months to
23 Nov 2020
Same period 2019 Same period 2018
Rank 32 35 28
Rank change year-on-year +3 -7 -4
Permanent jobs citing TDD 627 1,493 2,186
As % of all permanent jobs advertised in the South East 7.21% 5.98% 7.59%
As % of the Processes & Methodologies category 7.94% 6.62% 8.31%
Number of salaries quoted 624 1,402 2,083
Median annual salary £55,000 £51,500 £50,000
Median salary % change year-on-year +6.80% +3.00% +11.11%
10th Percentile £37,500 £32,500 £32,500
90th Percentile £77,500 £75,000 £69,400
England median annual salary £60,000 £60,000 £55,000
% change year-on-year - +9.09% +4.76%

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 South East with a requirement for process or methodology skills.

All Process and Methodology Skills
South East
Permanent vacancies with a requirement for process or methodology skills 7,898 22,556 26,297
As % of all permanent IT jobs advertised in the South East 90.79% 90.38% 91.32%
Number of salaries quoted 6,475 18,289 21,669
Median annual salary £52,000 £50,000 £47,500
Median salary % change year-on-year +4.00% +5.26% +5.56%
10th Percentile £31,250 £28,250 £28,250
90th Percentile £75,000 £75,000 £72,500
England median annual salary £55,118 £52,500 £52,500
% change year-on-year +4.99% - +5.00%

TDD
Job Vacancy Trend in the South East

Job postings citing TDD as a proportion of all IT jobs advertised in the South East.

Job vacancy trend for TDD in the South East

TDD
Salary Trend in the South East

3-month moving average salary quoted in jobs citing TDD in the South East.

Salary trend for TDD in the South East

TDD
Salary Histogram in the South East

Salary distribution for jobs citing TDD in the South East over the 6 months to 23 November 2020.

Salary histogram for TDD in the South East

TDD
Job Locations in the South East

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing TDD within the South East region over the 6 months to 23 November 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
Thames Valley +25 271 £57,500 +4.55% 52
Berkshire +28 187 £60,000 - 28
Hampshire +1 164 £50,000 +11.11% 41
Surrey +18 74 £45,000 -18.18% 16
Buckinghamshire +34 62 £55,000 +29.41% 13
East Sussex -2 56 £55,000 +4.76% 4
West Sussex -29 50 £60,000 +20.00% 9
Oxfordshire -13 22 £65,000 +18.18% 11
Kent -2 7 £47,500 - 13
Home Counties +5 3 - -
TDD
England

For the 6 months to 23 November 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 South East region with a requirement for TDD.

1 401 (63.96%) Agile Software Development
2 376 (59.97%) C#
3 356 (56.78%) .NET
4 252 (40.19%) JavaScript
5 199 (31.74%) .NET Core
6 177 (28.23%) BDD
7 175 (27.91%) SQL
8 170 (27.11%) ASP.NET
9 168 (26.79%) Azure
10 162 (25.84%) Docker
11 158 (25.20%) MVC
12 149 (23.76%) HTML
13 146 (23.29%) Scrum
14 145 (23.13%) CSS
15 140 (22.33%) AngularJS
16 139 (22.17%) Degree
17 137 (21.85%) React
18 128 (20.41%) SQL Server
19 124 (19.78%) ASP.NET MVC
20 122 (19.46%) DevOps
21 119 (18.98%) Java
22 118 (18.82%) Test Automation
23 114 (18.18%) Kubernetes
24 109 (17.38%) .NET Framework
25 102 (16.27%) Entity Framework
26 99 (15.79%) AWS
26 99 (15.79%) Software Engineering
27 96 (15.31%) Computer Science
28 92 (14.67%) Selenium
29 90 (14.35%) OO

TDD
Co-occurring IT Skills in the South East 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 21 (3.35%) CMS
2 14 (2.23%) Elasticsearch
3 9 (1.44%) WordPress
4 7 (1.12%) IIS
4 7 (1.12%) Umbraco
5 5 (0.80%) Confluence
6 4 (0.64%) BizTalk Server
6 4 (0.64%) DNN
7 3 (0.48%) Orchard CMS
7 3 (0.48%) SharePoint
8 2 (0.32%) Apache
8 2 (0.32%) Apache Spark
8 2 (0.32%) NServiceBus
8 2 (0.32%) Tomcat
9 1 (0.16%) Cloud Foundry
9 1 (0.16%) GemFire
9 1 (0.16%) nginx
9 1 (0.16%) OpenStack
9 1 (0.16%) Sitecore CMS
Applications
1 6 (0.96%) Figma
2 2 (0.32%) Microsoft Office
Business Applications
1 14 (2.23%) Dynamics CRM
2 6 (0.96%) Magento
3 5 (0.80%) Shopify
4 1 (0.16%) Salesforce.com CRM
Cloud Services
1 168 (26.79%) Azure
2 99 (15.79%) AWS
3 37 (5.90%) GCP
3 37 (5.90%) SaaS
4 18 (2.87%) Serverless
5 16 (2.55%) AWS Lambda
6 13 (2.07%) Dynamics 365
7 9 (1.44%) OpenShift
8 8 (1.28%) Cloud Computing
9 7 (1.12%) Amazon ElastiCache
9 7 (1.12%) GitHub
10 5 (0.80%) Amazon Cognito
10 5 (0.80%) Amazon SQS
10 5 (0.80%) AWS Fargate
11 4 (0.64%) npm
11 4 (0.64%) PaaS
12 3 (0.48%) Amazon EC2
13 2 (0.32%) Firebase
13 2 (0.32%) Google App Engine
13 2 (0.32%) Power Platform
Communications & Networking
1 31 (4.94%) Skype
2 9 (1.44%) TCP/IP
3 8 (1.28%) H.323
4 7 (1.12%) DNS
4 7 (1.12%) Network Security
5 4 (0.64%) HTTP
6 2 (0.32%) Wireshark
7 1 (0.16%) DSL
7 1 (0.16%) SSL
Database & Business Intelligence
1 128 (20.41%) SQL Server
2 63 (10.05%) NoSQL
3 62 (9.89%) MySQL
4 39 (6.22%) Relational Database
5 34 (5.42%) PostgreSQL
6 25 (3.99%) MongoDB
7 11 (1.75%) Amazon DynamoDB
7 11 (1.75%) Redis
8 7 (1.12%) Amazon Aurora
8 7 (1.12%) Cosmos DB
8 7 (1.12%) SQL Server Reporting Services
9 4 (0.64%) Azure SQL Database
9 4 (0.64%) RDBMS
10 2 (0.32%) Data Mining
10 2 (0.32%) Event Store
10 2 (0.32%) Hadoop
10 2 (0.32%) Power BI
10 2 (0.32%) RavenDB
10 2 (0.32%) Tableau
11 1 (0.16%) Text Mining
Development Applications
1 92 (14.67%) Selenium
2 90 (14.35%) Git (software)
3 36 (5.74%) NUnit
4 28 (4.47%) SpecFlow
5 18 (2.87%) JIRA
5 18 (2.87%) PHPUnit
5 18 (2.87%) SoapUI
6 17 (2.71%) Jenkins
6 17 (2.71%) Visual Studio
7 10 (1.59%) Cucumber
7 10 (1.59%) Postman
8 8 (1.28%) Bitbucket
8 8 (1.28%) GitLab
8 8 (1.28%) StyleCop
8 8 (1.28%) Team Foundation Server
8 8 (1.28%) Visual Studio Team System
8 8 (1.28%) WebDriver
9 7 (1.12%) Maven
9 7 (1.12%) MSTest
9 7 (1.12%) Octopus Deploy
General
1 81 (12.92%) Finance
2 20 (3.19%) Public Sector
3 17 (2.71%) Retail
4 14 (2.23%) Telecoms
5 7 (1.12%) Back Office
6 6 (0.96%) Games
6 6 (0.96%) Manufacturing
7 5 (0.80%) Marketing
8 4 (0.64%) Local Government
9 3 (0.48%) Banking
9 3 (0.48%) Electronics
9 3 (0.48%) Legal
10 1 (0.16%) Pharmaceutical
Job Titles
1 471 (75.12%) Developer
2 183 (29.19%) .NET Developer
3 168 (26.79%) Software Developer
4 139 (22.17%) C# Developer
5 121 (19.30%) Senior Developer
6 94 (14.99%) C# .NET Developer
7 76 (12.12%) .NET Software Developer
8 61 (9.73%) Full Stack Developer
9 60 (9.57%) Lead Developer
10 42 (6.70%) Java Developer
11 39 (6.22%) Software Engineer
12 36 (5.74%) C# Software Developer
12 36 (5.74%) Senior Software Developer
13 34 (5.42%) Senior C# Developer
14 31 (4.94%) ASP.NET Developer
14 31 (4.94%) C# ASP.NET Developer
15 29 (4.63%) Agile C# Developer
15 29 (4.63%) Agile Developer
16 26 (4.15%) Senior .NET Developer
17 25 (3.99%) Java Engineer
Libraries, Frameworks & Software Standards
1 356 (56.78%) .NET
2 199 (31.74%) .NET Core
3 170 (27.11%) ASP.NET
4 149 (23.76%) HTML
5 145 (23.13%) CSS
6 140 (22.33%) AngularJS
7 137 (21.85%) React
8 124 (19.78%) ASP.NET MVC
9 109 (17.38%) .NET Framework
10 102 (16.27%) Entity Framework
11 79 (12.60%) REST
12 73 (11.64%) jQuery
13 70 (11.16%) Vue.js
14 68 (10.85%) Spring
15 63 (10.05%) Web Services
16 49 (7.81%) Twitter Bootstrap
17 48 (7.66%) Node.js
17 48 (7.66%) RESTful
18 47 (7.50%) ASP.NET Web Forms
19 42 (6.70%) ASP.NET Web API
Miscellaneous
1 61 (9.73%) Greenfield Project
2 26 (4.15%) Data Structures
3 22 (3.51%) Algorithms
4 18 (2.87%) LIMS
5 16 (2.55%) User Experience
6 11 (1.75%) Renewable Energy
7 10 (1.59%) iPhone
8 9 (1.44%) Cloud Native
9 8 (1.28%) Mobile App
9 8 (1.28%) Video Conferencing
10 7 (1.12%) Over-the-Top Content
11 6 (0.96%) Acoustics
11 6 (0.96%) Analytical Skills
12 5 (0.80%) Enterprise Software
12 5 (0.80%) Xbox
13 3 (0.48%) NHS
13 3 (0.48%) N-Tier
13 3 (0.48%) Robotics
13 3 (0.48%) Virtual Team
14 2 (0.32%) Client/Server
Operating Systems
1 45 (7.18%) Linux
2 33 (5.26%) Windows
3 12 (1.91%) Android
4 10 (1.59%) CentOS
4 10 (1.59%) Ubuntu
5 6 (0.96%) Windows Server
6 4 (0.64%) Unix
7 1 (0.16%) Mac OS
Processes & Methodologies
1 401 (63.96%) Agile Software Development
2 177 (28.23%) BDD
3 158 (25.20%) MVC
4 146 (23.29%) Scrum
5 122 (19.46%) DevOps
6 118 (18.82%) Test Automation
7 99 (15.79%) Software Engineering
8 96 (15.31%) Computer Science
9 90 (14.35%) OO
10 86 (13.72%) Microservices
11 80 (12.76%) Mentoring
12 78 (12.44%) OOP
13 77 (12.28%) Continuous Integration
14 64 (10.21%) SOLID
15 58 (9.25%) Web Development
16 54 (8.61%) Unit Testing
17 50 (7.97%) Continuous Delivery
18 48 (7.66%) Front End Development
19 42 (6.70%) Mathematics
20 39 (6.22%) Continuous Improvement
Programming Languages
1 376 (59.97%) C#
2 252 (40.19%) JavaScript
3 175 (27.91%) SQL
4 119 (18.98%) Java
5 68 (10.85%) Python
6 59 (9.41%) TypeScript
7 43 (6.86%) PHP
8 42 (6.70%) C++
9 23 (3.67%) T-SQL
10 18 (2.87%) VB
11 13 (2.07%) C
11 13 (2.07%) ES6
12 11 (1.75%) Go
12 11 (1.75%) Java 8
13 10 (1.59%) Groovy
14 7 (1.12%) VB.NET
15 5 (0.80%) Ruby
16 4 (0.64%) ES8
17 3 (0.48%) Bash Shell
17 3 (0.48%) Scala
Qualifications
1 139 (22.17%) Degree
2 57 (9.09%) Computer Science Degree
3 35 (5.58%) Security Cleared
4 17 (2.71%) ISTQB
5 8 (1.28%) ISTQB Foundation Certification
6 7 (1.12%) ISEB
6 7 (1.12%) SC Cleared
7 6 (0.96%) Numerate Degree
8 5 (0.80%) ISTQB Advanced Certification
9 2 (0.32%) MCITP
9 2 (0.32%) Microsoft Certification
10 1 (0.16%) Master's Degree
10 1 (0.16%) PMI Certification
Quality Assurance & Compliance
1 38 (6.06%) QA
2 3 (0.48%) ISO 9001
System Software
1 162 (25.84%) Docker
2 8 (1.28%) Hyper-V
2 8 (1.28%) KVM
2 8 (1.28%) VMware Infrastructure
3 6 (0.96%) Active Directory
Systems Management
1 114 (18.18%) Kubernetes
2 43 (6.86%) Terraform
3 12 (1.91%) Ansible
4 4 (0.64%) HP Quality Center
5 2 (0.32%) Kibana
Vendors
1 68 (10.85%) Microsoft
2 25 (3.99%) Google
3 8 (1.28%) VMware
4 7 (1.12%) Atlassian
5 5 (0.80%) SAP
5 5 (0.80%) Xamarin
5 5 (0.80%) Zend
6 4 (0.64%) Sitecore
6 4 (0.64%) WooCommerce
7 3 (0.48%) CA
7 3 (0.48%) CA Agile Central
7 3 (0.48%) HP
8 2 (0.32%) CheckPoint
8 2 (0.32%) Oracle
9 1 (0.16%) Blue Prism
9 1 (0.16%) Pega
9 1 (0.16%) Salesforce.com
9 1 (0.16%) Splunk
9 1 (0.16%) Veracode
9 1 (0.16%) WSO2