Period
to 25 February 2021

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 25 February 2021 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
England > South East
6 months to
25 Feb 2021
Same period 2020 Same period 2019
Rank 34 36 28
Rank change year-on-year +2 -8 -6
Permanent jobs citing TDD 808 1,309 1,969
As % of all permanent jobs advertised in the South East 7.08% 5.76% 7.38%
As % of the Processes & Methodologies category 7.74% 6.37% 8.04%
Number of salaries quoted 855 1,243 1,879
Median annual salary £55,000 £52,500 £50,000
Median salary % change year-on-year +4.76% +5.00% +11.11%
10th Percentile £37,500 £33,750 £32,900
90th Percentile £77,500 £75,000 £72,500
England median annual salary £60,000 £60,000 £55,000
% 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 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 10,439 20,545 24,502
As % of all permanent IT jobs advertised in the South East 91.47% 90.41% 91.85%
Number of salaries quoted 8,245 16,775 20,319
Median annual salary £50,000 £50,000 £47,500
Median salary % change year-on-year - +5.26% +5.56%
10th Percentile £31,500 £29,250 £28,000
90th Percentile £75,000 £77,500 £73,750
England median annual salary £55,000 £55,000 £52,500
% change year-on-year - +4.76% +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 25 February 2021.

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 25 February 2021. 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 +21 366 £57,500 -4.17% 56
Berkshire +22 271 £57,500 -11.54% 39
Hampshire +13 243 £47,500 +5.56% 39
Buckinghamshire +23 80 £57,500 +21.05% 12
Surrey +19 77 £53,750 +7.50% 21
West Sussex -15 65 £60,000 +20.00% 6
East Sussex -10 42 £50,000 - 5
Oxfordshire -11 15 £53,750 -4.44% 5
Kent -14 7 £52,500 +1.94% 10
Home Counties +2 4 £70,000 +55.56%
Sussex - 2 £51,250 -
TDD
England

For the 6 months to 25 February 2021, 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.

1 504 (62.38%) Agile Software Development
2 464 (57.43%) C#
3 440 (54.46%) .NET
4 306 (37.87%) JavaScript
5 245 (30.32%) BDD
6 241 (29.83%) Azure
7 240 (29.70%) .NET Core
8 214 (26.49%) SQL
9 199 (24.63%) Docker
10 198 (24.50%) ASP.NET
11 193 (23.89%) Scrum
12 190 (23.51%) DevOps
13 186 (23.02%) React
14 180 (22.28%) AngularJS
15 173 (21.41%) SQL Server
15 173 (21.41%) AWS
16 169 (20.92%) Test Automation
17 150 (18.56%) MVC
18 146 (18.07%) HTML
18 146 (18.07%) CSS
19 145 (17.95%) Kubernetes
20 141 (17.45%) Degree
21 136 (16.83%) Java
22 134 (16.58%) Software Engineering
23 124 (15.35%) ASP.NET MVC
24 112 (13.86%) REST
25 111 (13.74%) Microservices
25 111 (13.74%) Selenium
26 107 (13.24%) Computer Science
27 106 (13.12%) .NET Framework

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 20 (2.48%) CMS
2 15 (1.86%) WordPress
3 10 (1.24%) Confluence
3 10 (1.24%) Elasticsearch
3 10 (1.24%) IIS
4 5 (0.62%) ArcGIS
5 4 (0.50%) nginx
5 4 (0.50%) Umbraco
6 3 (0.37%) Apache Spark
6 3 (0.37%) BizTalk Server
6 3 (0.37%) NServiceBus
7 2 (0.25%) Apache
8 1 (0.12%) GlassFish
8 1 (0.12%) JBoss
8 1 (0.12%) OpenStack
8 1 (0.12%) Tomcat
8 1 (0.12%) WebSphere
Applications
1 12 (1.49%) Figma
2 2 (0.25%) Microsoft Excel
Business Applications
1 5 (0.62%) Magento
2 4 (0.50%) Dynamics CRM
2 4 (0.50%) Shopify
Cloud Services
1 241 (29.83%) Azure
2 173 (21.41%) AWS
3 61 (7.55%) GCP
4 58 (7.18%) SaaS
5 33 (4.08%) Serverless
6 19 (2.35%) AWS Lambda
7 14 (1.73%) GitHub
8 12 (1.49%) Amazon ElastiCache
9 11 (1.36%) Amazon SQS
10 8 (0.99%) Amazon EC2
10 8 (0.99%) Firebase
10 8 (0.99%) Google App Engine
10 8 (0.99%) OpenShift
10 8 (0.99%) Power Platform
11 7 (0.87%) Amazon CloudWatch
11 7 (0.87%) Cloud Computing
12 5 (0.62%) Amazon Cognito
12 5 (0.62%) Amazon S3
12 5 (0.62%) Apigee
12 5 (0.62%) AWS CloudFormation
Communications & Networking
1 25 (3.09%) Skype
2 9 (1.11%) TCP/IP
3 7 (0.87%) H.323
3 7 (0.87%) Network Security
4 6 (0.74%) Wireshark
5 5 (0.62%) HTTP
6 1 (0.12%) DNS
6 1 (0.12%) DSL
6 1 (0.12%) Software-Defined Radio
6 1 (0.12%) SSL
Database & Business Intelligence
1 173 (21.41%) SQL Server
2 72 (8.91%) NoSQL
3 66 (8.17%) MySQL
4 37 (4.58%) Relational Database
5 34 (4.21%) PostgreSQL
6 29 (3.59%) MongoDB
7 15 (1.86%) Amazon DynamoDB
8 12 (1.49%) Redis
9 8 (0.99%) Data Mining
9 8 (0.99%) Power BI
9 8 (0.99%) Tableau
10 7 (0.87%) Amazon Aurora
10 7 (0.87%) Cosmos DB
10 7 (0.87%) RDBMS
11 6 (0.74%) Amazon RDS
12 5 (0.62%) SQL Server Reporting Services
13 3 (0.37%) Big Data
13 3 (0.37%) Hadoop
14 2 (0.25%) RavenDB
14 2 (0.25%) SQLite
Development Applications
1 111 (13.74%) Selenium
2 106 (13.12%) Git (software)
3 40 (4.95%) NUnit
4 38 (4.70%) Visual Studio
5 37 (4.58%) SpecFlow
6 34 (4.21%) Jenkins
7 29 (3.59%) JIRA
8 22 (2.72%) Postman
9 16 (1.98%) SoapUI
9 16 (1.98%) Team Foundation Server
10 14 (1.73%) WebDriver
11 13 (1.61%) Cucumber
11 13 (1.61%) JMeter
11 13 (1.61%) PHPUnit
12 12 (1.49%) Bitbucket
13 10 (1.24%) Cypress.io
13 10 (1.24%) TeamCity
14 8 (0.99%) Atlassian Bamboo
14 8 (0.99%) GitLab
14 8 (0.99%) Jasmine
General
1 102 (12.62%) Finance
2 32 (3.96%) Public Sector
3 22 (2.72%) Marketing
4 16 (1.98%) Retail
5 15 (1.86%) Telecoms
6 14 (1.73%) Automotive
7 11 (1.36%) Games
8 7 (0.87%) Electronics
8 7 (0.87%) Manufacturing
9 6 (0.74%) Back Office
10 4 (0.50%) Banking
11 1 (0.12%) Law
11 1 (0.12%) Pharmaceutical
Job Titles
1 553 (68.44%) Developer
2 212 (26.24%) .NET Developer
3 180 (22.28%) Software Developer
4 172 (21.29%) Senior Developer
5 157 (19.43%) C# Developer
6 110 (13.61%) C# .NET Developer
7 78 (9.65%) .NET Software Developer
8 77 (9.53%) Full Stack Developer
9 62 (7.67%) Software Engineer
10 61 (7.55%) Lead Developer
11 57 (7.05%) Senior .NET Developer
11 57 (7.05%) Senior Software Developer
12 53 (6.56%) Senior C# Developer
13 47 (5.82%) C# Software Developer
14 46 (5.69%) Java Developer
15 37 (4.58%) Test Engineer
16 35 (4.33%) Front End Developer (Client-Side Developer)
17 33 (4.08%) React Developer
18 32 (3.96%) ASP.NET Developer
18 32 (3.96%) C# ASP.NET Developer
Libraries, Frameworks & Software Standards
1 440 (54.46%) .NET
2 240 (29.70%) .NET Core
3 198 (24.50%) ASP.NET
4 186 (23.02%) React
5 180 (22.28%) AngularJS
6 146 (18.07%) CSS
6 146 (18.07%) HTML
7 124 (15.35%) ASP.NET MVC
8 112 (13.86%) REST
9 106 (13.12%) .NET Framework
10 95 (11.76%) Entity Framework
11 81 (10.02%) Node.js
12 77 (9.53%) Vue.js
13 71 (8.79%) Web Services
14 64 (7.92%) RESTful
15 63 (7.80%) jQuery
16 58 (7.18%) Spring
17 49 (6.06%) ASP.NET Core
18 45 (5.57%) Twitter Bootstrap
19 38 (4.70%) WCF
Miscellaneous
1 65 (8.04%) Greenfield Project
2 32 (3.96%) Analytical Skills
3 31 (3.84%) Data Structures
4 27 (3.34%) User Experience
5 22 (2.72%) Algorithms
6 20 (2.48%) Mobile App
7 19 (2.35%) LIMS
8 18 (2.23%) Renewable Energy
9 17 (2.10%) iPhone
10 11 (1.36%) Acoustics
11 7 (0.87%) Over-the-Top Content
11 7 (0.87%) Video Conferencing
12 5 (0.62%) NHS
12 5 (0.62%) Self-Motivation
12 5 (0.62%) Xbox
13 4 (0.50%) Enterprise Software
14 3 (0.37%) Client/Server
14 3 (0.37%) Cloud Native
14 3 (0.37%) iPad
14 3 (0.37%) PMI
Operating Systems
1 48 (5.94%) Linux
2 40 (4.95%) Windows
3 27 (3.34%) Android
4 10 (1.24%) Apple iOS
5 9 (1.11%) Windows Server
6 8 (0.99%) CentOS
6 8 (0.99%) Ubuntu
6 8 (0.99%) Unix
7 2 (0.25%) Mac OS
Processes & Methodologies
1 504 (62.38%) Agile Software Development
2 245 (30.32%) BDD
3 193 (23.89%) Scrum
4 190 (23.51%) DevOps
5 169 (20.92%) Test Automation
6 150 (18.56%) MVC
7 134 (16.58%) Software Engineering
8 111 (13.74%) Microservices
9 107 (13.24%) Computer Science
10 103 (12.75%) SOLID
11 102 (12.62%) Mentoring
12 98 (12.13%) Continuous Integration
13 81 (10.02%) OO
14 77 (9.53%) Unit Testing
15 65 (8.04%) OOP
16 57 (7.05%) Front End Development
17 54 (6.68%) Continuous Delivery
17 54 (6.68%) SDLC
18 53 (6.56%) Mathematics
19 49 (6.06%) Problem-Solving
Programming Languages
1 464 (57.43%) C#
2 306 (37.87%) JavaScript
3 214 (26.49%) SQL
4 136 (16.83%) Java
5 97 (12.00%) Python
6 87 (10.77%) TypeScript
7 50 (6.19%) PHP
8 45 (5.57%) C++
9 24 (2.97%) T-SQL
10 21 (2.60%) Go
11 19 (2.35%) C
12 16 (1.98%) VB.NET
13 13 (1.61%) VB
14 12 (1.49%) ES6
15 10 (1.24%) Groovy
15 10 (1.24%) Java 8
16 9 (1.11%) Scala
17 8 (0.99%) Objective-C
17 8 (0.99%) R
17 8 (0.99%) Ruby
Qualifications
1 141 (17.45%) Degree
2 64 (7.92%) Computer Science Degree
3 18 (2.23%) ISTQB
3 18 (2.23%) Security Cleared
4 11 (1.36%) ISEB
5 10 (1.24%) ISTQB Foundation Certification
6 8 (0.99%) SC Cleared
7 6 (0.74%) Numerate Degree
8 4 (0.50%) ISTQB Advanced Certification
9 3 (0.37%) PMI Certification
10 1 (0.12%) BC Cleared
10 1 (0.12%) DBS Check
10 1 (0.12%) Master's Degree
10 1 (0.12%) Microsoft Certification
Quality Assurance & Compliance
1 77 (9.53%) QA
2 4 (0.50%) ISO 9001
System Software
1 199 (24.63%) Docker
2 8 (0.99%) VMware Infrastructure
3 7 (0.87%) Hyper-V
3 7 (0.87%) KVM
4 1 (0.12%) Active Directory
4 1 (0.12%) Firmware
Systems Management
1 145 (17.95%) Kubernetes
2 51 (6.31%) Terraform
3 11 (1.36%) Ansible
4 5 (0.62%) Grafana
4 5 (0.62%) Prometheus
5 4 (0.50%) HP Quality Center
5 4 (0.50%) Kibana
Vendors
1 69 (8.54%) Microsoft
2 41 (5.07%) Google
3 14 (1.73%) Oracle
4 12 (1.49%) SAP
5 11 (1.36%) WooCommerce
6 9 (1.11%) Atlassian
7 8 (0.99%) VMware
8 5 (0.62%) ESRI
8 5 (0.62%) Xamarin
9 4 (0.50%) Zend
10 3 (0.37%) HP
10 3 (0.37%) Sitecore
11 2 (0.25%) Apple
12 1 (0.12%) Blue Prism
12 1 (0.12%) Cloudera
12 1 (0.12%) Pega
12 1 (0.12%) Splunk
12 1 (0.12%) UiPath
12 1 (0.12%) Veracode
12 1 (0.12%) WSO2