Period
to 12 May 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 12 May 2021 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
England > South East
6 months to
12 May 2021
Same period 2020 Same period 2019
Rank 37 43 35
Rank change year-on-year +6 -8 -12
Permanent jobs citing TDD 890 992 1,801
As % of all permanent jobs advertised in the South East 6.79% 5.55% 6.86%
As % of the Processes & Methodologies category 7.38% 6.08% 7.47%
Number of salaries quoted 729 808 1,511
10th Percentile £37,950 £33,750 £32,500
25th Percentile £42,500 £40,000 £40,000
Median annual salary (50th Percentile) £55,000 £52,500 £50,000
Median % change year-on-year +4.76% +5.00% +5.26%
75th Percentile £66,250 £62,750 £64,500
90th Percentile £77,500 £73,750 £73,750
England median annual salary £60,305 £60,000 £55,000
% change year-on-year +0.51% +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 12,054 16,308 24,116
As % of all permanent IT jobs advertised in the South East 91.99% 91.25% 91.85%
Number of salaries quoted 9,249 13,254 19,662
10th Percentile £32,500 £31,000 £28,138
25th Percentile £40,750 £38,000 £36,250
Median annual salary (50th Percentile) £50,000 £50,000 £50,000
75th Percentile £65,000 £65,000 £62,500
90th Percentile £77,500 £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 12 May 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 12 May 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 +12 357 £55,000 -8.33% 58
Hampshire +10 325 £50,000 +5.26% 54
Berkshire +12 261 £55,000 -12.00% 33
Surrey +24 107 £60,000 +20.00% 22
Buckinghamshire +13 83 £48,500 -7.62% 14
West Sussex -25 49 £60,000 +20.00% 6
East Sussex -16 37 £52,500 +5.00% 5
Oxfordshire 0 13 £48,000 +3.78% 11
Kent -12 8 £52,500 +1.94% 12
Home Counties - 4 £80,000 -
Sussex - 2 £51,250 -
TDD
England

For the 6 months to 12 May 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.

1 588 (66.07%) Agile Software Development
2 478 (53.71%) C#
3 441 (49.55%) .NET
4 371 (41.69%) JavaScript
5 296 (33.26%) Azure
6 288 (32.36%) BDD
7 269 (30.22%) Scrum
8 242 (27.19%) DevOps
9 241 (27.08%) AngularJS
10 237 (26.63%) AWS
11 233 (26.18%) .NET Core
12 222 (24.94%) SQL
13 218 (24.49%) React
14 199 (22.36%) Git (software)
15 196 (22.02%) Test Automation
15 196 (22.02%) SQL Server
15 196 (22.02%) CSS
16 195 (21.91%) Docker
17 185 (20.79%) ASP.NET
17 185 (20.79%) Java
18 178 (20.00%) Degree
19 159 (17.87%) Software Engineering
20 158 (17.75%) MVC
21 156 (17.53%) Microservices
22 154 (17.30%) HTML
23 153 (17.19%) Finance
24 141 (15.84%) Kubernetes
25 140 (15.73%) Social Skills
26 139 (15.62%) Mentoring
27 134 (15.06%) Computer Science

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 31 (3.48%) GemFire
2 22 (2.47%) Apache
3 21 (2.36%) Elasticsearch
4 19 (2.13%) Apache Spark
5 17 (1.91%) IIS
6 15 (1.69%) CMS
7 11 (1.24%) Confluence
8 10 (1.12%) nginx
9 9 (1.01%) Tomcat
9 9 (1.01%) WordPress
10 8 (0.90%) Cloud Foundry
11 5 (0.56%) ArcGIS
11 5 (0.56%) Umbraco
12 4 (0.45%) EPiServer
12 4 (0.45%) Oracle Spatial
12 4 (0.45%) SharePoint
13 1 (0.11%) GlassFish
13 1 (0.11%) NServiceBus
13 1 (0.11%) Tornado
13 1 (0.11%) WebSphere
Applications
1 7 (0.79%) Figma
2 4 (0.45%) Microsoft Excel
3 1 (0.11%) Sketch
3 1 (0.11%) Zeplin
Business Applications
1 5 (0.56%) Dynamics CRM
Cloud Services
1 296 (33.26%) Azure
2 237 (26.63%) AWS
3 61 (6.85%) GCP
4 50 (5.62%) GitHub
4 50 (5.62%) SaaS
5 32 (3.60%) Serverless
6 17 (1.91%) PaaS
7 11 (1.24%) AWS Lambda
8 9 (1.01%) Amazon Kinesis
9 8 (0.90%) Amazon EC2
9 8 (0.90%) Amazon SQS
9 8 (0.90%) Firebase
9 8 (0.90%) Google App Engine
9 8 (0.90%) Power Platform
10 7 (0.79%) Amazon CloudWatch
10 7 (0.79%) Amazon ElastiCache
10 7 (0.79%) Apigee
11 6 (0.67%) AWS CloudFormation
11 6 (0.67%) BrowserStack
11 6 (0.67%) Cloud Computing
Communications & Networking
1 15 (1.69%) Skype
2 9 (1.01%) TCP/IP
3 8 (0.90%) Calico
4 6 (0.67%) H.323
4 6 (0.67%) Network Security
4 6 (0.67%) Wireshark
5 4 (0.45%) HTTP
6 3 (0.34%) SMTP
6 3 (0.34%) Software-Defined Radio
7 1 (0.11%) Internet
Database & Business Intelligence
1 196 (22.02%) SQL Server
2 80 (8.99%) NoSQL
3 65 (7.30%) Relational Database
4 55 (6.18%) PostgreSQL
5 54 (6.07%) MySQL
6 44 (4.94%) Big Data
7 35 (3.93%) MongoDB
8 19 (2.13%) Redis
9 16 (1.80%) HBase
9 16 (1.80%) MariaDB
10 10 (1.12%) Amazon DynamoDB
10 10 (1.12%) RDBMS
11 9 (1.01%) Amazon RDS
12 8 (0.90%) Oracle Database
12 8 (0.90%) Power BI
13 7 (0.79%) Azure SQL Database
13 7 (0.79%) Data Mining
13 7 (0.79%) Tableau
14 6 (0.67%) Geospatial Data
15 4 (0.45%) Spatial Data
Development Applications
1 199 (22.36%) Git (software)
2 124 (13.93%) Selenium
3 99 (11.12%) Jenkins
4 77 (8.65%) Visual Studio
5 64 (7.19%) JIRA
6 59 (6.63%) Cucumber
7 49 (5.51%) NUnit
8 47 (5.28%) Cypress.io
9 42 (4.72%) Protractor
10 39 (4.38%) SpecFlow
11 34 (3.82%) Sonatype Nexus
12 29 (3.26%) Gradle
13 28 (3.15%) JUnit
13 28 (3.15%) TeamCity
14 25 (2.81%) Appium
14 25 (2.81%) Postman
14 25 (2.81%) WebDriver
15 24 (2.70%) IntelliJ
16 23 (2.58%) Storybook
17 22 (2.47%) Maven
General
1 153 (17.19%) Finance
2 140 (15.73%) Social Skills
3 40 (4.49%) Banking
4 38 (4.27%) Law
5 35 (3.93%) Analytical Skills
6 25 (2.81%) Retail
7 18 (2.02%) Marketing
7 18 (2.02%) Public Sector
8 16 (1.80%) Games
9 14 (1.57%) Automotive
9 14 (1.57%) Organisational Skills
10 11 (1.24%) Telecoms
11 9 (1.01%) Back Office
12 6 (0.67%) Electronics
13 2 (0.22%) Manufacturing
13 2 (0.22%) Presentation Skills
14 1 (0.11%) Documentation Skills
Job Titles
1 560 (62.92%) Developer
2 192 (21.57%) .NET Developer
3 179 (20.11%) Software Developer
4 178 (20.00%) Senior Developer
5 149 (16.74%) C# Developer
6 107 (12.02%) C# .NET Developer
7 83 (9.33%) Software Engineer
8 70 (7.87%) Senior Software Developer
9 63 (7.08%) Lead Developer
10 56 (6.29%) .NET Software Developer
11 55 (6.18%) Front End Developer (Client-Side Developer)
12 51 (5.73%) Test Engineer
13 50 (5.62%) Full Stack Developer
13 50 (5.62%) Senior .NET Developer
14 45 (5.06%) Senior C# Developer
15 38 (4.27%) C# Software Developer
16 36 (4.04%) React Developer
17 33 (3.71%) Java Developer
18 32 (3.60%) ASP.NET Developer
18 32 (3.60%) C# ASP.NET Developer
Libraries, Frameworks & Software Standards
1 441 (49.55%) .NET
2 241 (27.08%) AngularJS
3 233 (26.18%) .NET Core
4 218 (24.49%) React
5 196 (22.02%) CSS
6 185 (20.79%) ASP.NET
7 154 (17.30%) HTML
8 121 (13.60%) RESTful
9 119 (13.37%) ASP.NET MVC
10 116 (13.03%) Node.js
11 109 (12.25%) .NET Framework
12 101 (11.35%) REST
13 95 (10.67%) Web Services
14 94 (10.56%) Entity Framework
15 85 (9.55%) Spring
16 74 (8.31%) Vue.js
17 67 (7.53%) Twitter Bootstrap
18 65 (7.30%) jQuery
19 56 (6.29%) WCF
20 54 (6.07%) HTML5
Miscellaneous
1 62 (6.97%) User Experience
2 50 (5.62%) Self-Motivation
3 46 (5.17%) Greenfield Project
4 31 (3.48%) Mobile App
5 22 (2.47%) Data Structures
6 20 (2.25%) iPhone
6 20 (2.25%) LIMS
6 20 (2.25%) Renewable Energy
7 19 (2.13%) Algorithms
8 18 (2.02%) Linux Command Line
9 16 (1.80%) iPad
10 7 (0.79%) Video Conferencing
11 6 (0.67%) Acoustics
11 6 (0.67%) Over-the-Top Content
12 5 (0.56%) Enterprise Software
13 3 (0.34%) Device Driver
13 3 (0.34%) EPoS
13 3 (0.34%) NHS
13 3 (0.34%) PMI
13 3 (0.34%) Virtual Team
Operating Systems
1 78 (8.76%) Linux
2 36 (4.04%) Android
3 33 (3.71%) Windows
4 26 (2.92%) Unix
5 17 (1.91%) Windows Server
6 15 (1.69%) Apple iOS
7 8 (0.90%) CentOS
7 8 (0.90%) Ubuntu
8 3 (0.34%) VMS
9 2 (0.22%) Embedded Linux
9 2 (0.22%) Mac OS
Processes & Methodologies
1 588 (66.07%) Agile Software Development
2 288 (32.36%) BDD
3 269 (30.22%) Scrum
4 242 (27.19%) DevOps
5 196 (22.02%) Test Automation
6 159 (17.87%) Software Engineering
7 158 (17.75%) MVC
8 156 (17.53%) Microservices
9 139 (15.62%) Mentoring
10 134 (15.06%) Computer Science
11 127 (14.27%) SOLID
12 126 (14.16%) Continuous Integration
13 97 (10.90%) Unit Testing
14 95 (10.67%) OO
15 86 (9.66%) Fintech
16 84 (9.44%) SDLC
17 83 (9.33%) Continuous Delivery
18 75 (8.43%) Front End Development
18 75 (8.43%) Software Testing
19 61 (6.85%) User Stories
Programming Languages
1 478 (53.71%) C#
2 371 (41.69%) JavaScript
3 222 (24.94%) SQL
4 185 (20.79%) Java
5 120 (13.48%) Python
6 93 (10.45%) TypeScript
7 45 (5.06%) PHP
8 36 (4.04%) C++
9 28 (3.15%) Go
10 27 (3.03%) T-SQL
11 23 (2.58%) C
12 21 (2.36%) Groovy
12 21 (2.36%) Ruby
12 21 (2.36%) Shell Script
13 17 (1.91%) Java 8
14 16 (1.80%) VB.NET
15 11 (1.24%) Bash Shell
15 11 (1.24%) Scala
16 10 (1.12%) ES6
17 9 (1.01%) VB
Qualifications
1 178 (20.00%) Degree
2 69 (7.75%) Computer Science Degree
3 24 (2.70%) OCP
3 24 (2.70%) Oracle Certification
4 14 (1.57%) ISEB
5 12 (1.35%) Microsoft Certification
6 9 (1.01%) AWS Certification
6 9 (1.01%) ISTQB
7 7 (0.79%) ISTQB Foundation Certification
7 7 (0.79%) Security Cleared
8 6 (0.67%) SC Cleared
9 3 (0.34%) PMI Certification
10 2 (0.22%) Numerate Degree
11 1 (0.11%) BC Cleared
11 1 (0.11%) CITP
11 1 (0.11%) DBS Check
11 1 (0.11%) PhD
Quality Assurance & Compliance
1 100 (11.24%) QA
2 8 (0.90%) SLA
3 5 (0.56%) ISO/IEC 27001
3 5 (0.56%) SOC 2
4 2 (0.22%) ISO 9001
4 2 (0.22%) WCAG
System Software
1 195 (21.91%) Docker
2 25 (2.81%) VMware Infrastructure
3 16 (1.80%) HDFS
4 8 (0.90%) Virtual Machines
5 6 (0.67%) Hyper-V
5 6 (0.67%) KVM
6 2 (0.22%) Active Directory
7 1 (0.11%) Firmware
Systems Management
1 141 (15.84%) Kubernetes
2 28 (3.15%) Ansible
3 21 (2.36%) Terraform
4 16 (1.80%) Opscode Chef
5 13 (1.46%) Grafana
6 10 (1.12%) Kibana
7 5 (0.56%) Prometheus
8 1 (0.11%) MIIS
Vendors
1 81 (9.10%) Microsoft
2 45 (5.06%) Oracle
3 37 (4.16%) Google
4 33 (3.71%) VMware
5 23 (2.58%) Okta
6 11 (1.24%) ESRI
7 9 (1.01%) Atlassian
7 9 (1.01%) WooCommerce
8 8 (0.90%) PayPal
8 8 (0.90%) SAP
8 8 (0.90%) Xamarin
9 5 (0.56%) Salesforce.com
10 4 (0.45%) IBM
11 3 (0.34%) Cloudera
12 2 (0.22%) Apple
12 2 (0.22%) Mercator
12 2 (0.22%) MuleSoft
12 2 (0.22%) OpenText
13 1 (0.11%) Blue Prism
13 1 (0.11%) UiPath