Period
to 30 November 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 30 November 2021 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
England > South East
6 months to
30 Nov 2021
Same period 2020 Same period 2019
Rank 37 35 39
Rank change year-on-year -2 +4 -10
Permanent jobs citing TDD 1,294 633 1,454
As % of all permanent jobs advertised in the South East 7.03% 7.17% 5.88%
As % of the Processes & Methodologies category 7.51% 7.84% 6.46%
Number of salaries quoted 908 545 1,256
10th Percentile £36,250 £36,700 £32,500
25th Percentile £45,000 £42,500 £40,000
Median annual salary (50th Percentile) £55,000 £55,000 £51,500
Median % change year-on-year - +6.80% +3.00%
75th Percentile £67,500 £65,000 £62,500
90th Percentile £78,750 £77,500 £75,000
England median annual salary £65,000 £60,000 £60,000
% change year-on-year +8.33% - +9.09%

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 17,226 8,074 22,511
As % of all permanent IT jobs advertised in the South East 93.59% 91.51% 91.08%
Number of salaries quoted 11,616 6,704 18,500
10th Percentile £32,000 £31,250 £28,250
25th Percentile £41,250 £40,000 £36,250
Median annual salary (50th Percentile) £52,750 £50,500 £50,000
Median % change year-on-year +4.46% +1.00% +5.26%
75th Percentile £67,500 £65,000 £63,750
90th Percentile £80,000 £75,000 £75,000
England median annual salary £60,000 £55,000 £52,500
% change year-on-year +9.09% +4.76% -

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 30 November 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 30 November 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
Hampshire +9 556 £55,000 +10.00% 42
Thames Valley -21 399 £55,000 -4.35% 69
Berkshire -14 270 £55,000 -8.33% 40
Surrey -7 170 £60,000 +26.32% 22
Buckinghamshire -16 99 £46,000 -16.36% 15
East Sussex -7 91 £37,500 -34.78% 15
West Sussex -5 49 £52,500 -12.50% 11
Oxfordshire -19 32 £60,000 - 14
Kent -30 21 £45,000 - 12
Home Counties -12 5 £100,000 +40.35%
TDD
England

For the 6 months to 30 November 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.

1 927 (71.64%) Agile Software Development
2 572 (44.20%) C#
3 495 (38.25%) JavaScript
4 492 (38.02%) .NET
5 471 (36.40%) BDD
6 457 (35.32%) Azure
7 411 (31.76%) DevOps
8 403 (31.14%) Scrum
9 398 (30.76%) Software Engineering
10 395 (30.53%) React
11 390 (30.14%) SQL
12 370 (28.59%) AngularJS
13 357 (27.59%) AWS
14 350 (27.05%) Microservices
15 348 (26.89%) CSS
16 347 (26.82%) Java
17 328 (25.35%) Git (software)
18 327 (25.27%) Full Stack Development
19 319 (24.65%) Degree
20 306 (23.65%) Jenkins
21 291 (22.49%) Test Automation
22 284 (21.95%) Computer Science
23 271 (20.94%) RESTful
24 253 (19.55%) HTML
25 246 (19.01%) Finance
26 245 (18.93%) Spring
26 245 (18.93%) .NET Core
27 225 (17.39%) SOLID
28 224 (17.31%) Mentoring
29 218 (16.85%) MVC

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
1 128 (9.89%) Apache
2 124 (9.58%) GemFire
3 105 (8.11%) Apache Spark
4 46 (3.55%) Elasticsearch
5 36 (2.78%) Cloud Foundry
6 33 (2.55%) WordPress
7 30 (2.32%) CMS
8 27 (2.09%) EPiServer
9 24 (1.85%) Confluence
10 20 (1.55%) IIS
11 19 (1.47%) Tomcat
12 11 (0.85%) Jupyter
12 11 (0.85%) OpenStack
13 10 (0.77%) Umbraco
14 8 (0.62%) SharePoint
15 6 (0.46%) MS Exchange
16 5 (0.39%) Tornado
17 3 (0.23%) nginx
18 2 (0.15%) IBM Domino
19 1 (0.077%) WebLogic
Applications
1 9 (0.70%) MS Visio
2 2 (0.15%) EngageOne
2 2 (0.15%) Spreadsheet
3 1 (0.077%) Adobe XD
Business Applications
1 27 (2.09%) Dynamics CRM
2 1 (0.077%) Distributed Ledger
2 1 (0.077%) Magento
2 1 (0.077%) R3 Corda
Cloud Services
1 457 (35.32%) Azure
2 357 (27.59%) AWS
3 212 (16.38%) GitHub
4 117 (9.04%) GCP
5 98 (7.57%) SaaS
6 84 (6.49%) Serverless
7 67 (5.18%) Amazon Kinesis
8 46 (3.55%) PaaS
9 33 (2.55%) AWS Lambda
10 32 (2.47%) Amazon S3
11 28 (2.16%) Cloud Computing
12 18 (1.39%) Amazon SQS
13 17 (1.31%) Apigee
14 15 (1.16%) Amazon EKS
14 15 (1.16%) npm
14 15 (1.16%) NuGet
15 11 (0.85%) Amazon EC2
16 10 (0.77%) Azure Service Bus
16 10 (0.77%) Azure Storage
16 10 (0.77%) OpenShift
Communications & Networking
1 30 (2.32%) Calico
2 29 (2.24%) HTTP
3 8 (0.62%) SMTP
4 7 (0.54%) DSL
5 5 (0.39%) Internet
5 5 (0.39%) MQTT
6 4 (0.31%) AMQP
6 4 (0.31%) DNS
6 4 (0.31%) SSL
7 3 (0.23%) TCP/IP
8 1 (0.077%) WPA
8 1 (0.077%) X.509
Database & Business Intelligence
1 202 (15.61%) NoSQL
2 163 (12.60%) PostgreSQL
3 156 (12.06%) SQL Server
4 145 (11.21%) Big Data
5 124 (9.58%) Relational Database
6 110 (8.50%) Redis
7 104 (8.04%) HBase
8 96 (7.42%) MariaDB
9 62 (4.79%) MySQL
10 33 (2.55%) Amazon RDS
11 25 (1.93%) Amazon DynamoDB
12 19 (1.47%) SQLite
13 18 (1.39%) MongoDB
14 16 (1.24%) Hadoop
15 9 (0.70%) Data Warehouse
15 9 (0.70%) RDBMS
16 8 (0.62%) Oracle Database
17 7 (0.54%) Apache Hive
18 6 (0.46%) Apache Cassandra
18 6 (0.46%) OLTP
Development Applications
1 328 (25.35%) Git (software)
2 306 (23.65%) Jenkins
3 185 (14.30%) Selenium
4 177 (13.68%) Cucumber
5 130 (10.05%) Gradle
5 130 (10.05%) Sonatype Nexus
6 125 (9.66%) Protractor
7 116 (8.96%) JUnit
8 107 (8.27%) IntelliJ
9 105 (8.11%) Cypress.io
10 95 (7.34%) Eclipse
10 95 (7.34%) Storybook
11 90 (6.96%) Mockito
12 89 (6.88%) SonarQube
13 84 (6.49%) JIRA
14 79 (6.11%) Visual Studio
15 68 (5.26%) Artifactory
16 50 (3.86%) SpecFlow
17 45 (3.48%) NUnit
18 43 (3.32%) Octopus Deploy
General
1 246 (19.01%) Finance
2 194 (14.99%) Social Skills
3 173 (13.37%) Inclusion and Diversity
4 171 (13.21%) Banking
5 156 (12.06%) Law
6 43 (3.32%) Retail
7 25 (1.93%) Analytical Skills
8 24 (1.85%) Games
9 19 (1.47%) Manufacturing
10 17 (1.31%) Back Office
11 11 (0.85%) Publishing
12 10 (0.77%) Public Sector
13 9 (0.70%) Electronics
14 8 (0.62%) Automotive
14 8 (0.62%) Marketing
15 6 (0.46%) Legal
15 6 (0.46%) Presentation Skills
16 5 (0.39%) Telecoms
17 4 (0.31%) Financial Institution
18 3 (0.23%) Organisational Skills
Job Titles
1 775 (59.89%) Developer
2 253 (19.55%) Software Developer
3 239 (18.47%) Software Engineer
4 187 (14.45%) C# Developer
5 159 (12.29%) Senior Developer
6 148 (11.44%) .NET Developer
7 115 (8.89%) Java Developer
8 114 (8.81%) Lead Developer
9 106 (8.19%) C# .NET Developer
10 99 (7.65%) Front End Developer (Client-Side Developer)
11 95 (7.34%) Senior Software Engineer
12 76 (5.87%) Senior C# Developer
13 74 (5.72%) Full Stack Developer
14 69 (5.33%) C# Software Developer
14 69 (5.33%) PHP Developer
15 68 (5.26%) .NET Software Developer
16 53 (4.10%) Lead Software Developer
17 50 (3.86%) Senior Software Developer
18 49 (3.79%) Team Leader
19 47 (3.63%) Lead Software Engineer
Libraries, Frameworks & Software Standards
1 492 (38.02%) .NET
2 395 (30.53%) React
3 370 (28.59%) AngularJS
4 348 (26.89%) CSS
5 271 (20.94%) RESTful
6 253 (19.55%) HTML
7 245 (18.93%) .NET Core
7 245 (18.93%) Spring
8 198 (15.30%) Node.js
9 182 (14.06%) Web Services
10 161 (12.44%) ASP.NET
11 160 (12.36%) JSON
12 151 (11.67%) Kafka
13 147 (11.36%) REST
14 138 (10.66%) .NET Framework
15 133 (10.28%) Redux
16 119 (9.20%) LAMP
16 119 (9.20%) WireMock
17 116 (8.96%) RabbitMQ
18 115 (8.89%) Twitter Bootstrap
Miscellaneous
1 119 (9.20%) User Experience
2 107 (8.27%) Linux Command Line
3 90 (6.96%) Self-Motivation
4 68 (5.26%) Greenfield Project
5 54 (4.17%) Algorithms
6 32 (2.47%) Virtual Team
7 31 (2.40%) Enterprise Software
8 28 (2.16%) Mobile App
9 22 (1.70%) Legacy Systems
10 21 (1.62%) Data Structures
10 21 (1.62%) Hybrid Cloud
11 20 (1.55%) iPad
12 17 (1.31%) Cloud Native
12 17 (1.31%) Management Information System
13 15 (1.16%) Legacy Code
14 14 (1.08%) Life Science
15 9 (0.70%) Data Protection Act
15 9 (0.70%) LIMS
16 8 (0.62%) Public Cloud
17 7 (0.54%) Video\Live Streaming
Operating Systems
1 200 (15.46%) Linux
2 124 (9.58%) Unix
3 38 (2.94%) Windows
4 20 (1.55%) Android
4 20 (1.55%) Windows Server
5 11 (0.85%) Apple iOS
5 11 (0.85%) Mac OS
6 6 (0.46%) SUSE
7 5 (0.39%) VMS
8 2 (0.15%) CentOS
8 2 (0.15%) FreeRTOS
8 2 (0.15%) Ubuntu
9 1 (0.077%) Debian
9 1 (0.077%) OpenWrt
Processes & Methodologies
1 927 (71.64%) Agile Software Development
2 471 (36.40%) BDD
3 411 (31.76%) DevOps
4 403 (31.14%) Scrum
5 398 (30.76%) Software Engineering
6 350 (27.05%) Microservices
7 327 (25.27%) Full Stack Development
8 291 (22.49%) Test Automation
9 284 (21.95%) Computer Science
10 225 (17.39%) SOLID
11 224 (17.31%) Mentoring
12 218 (16.85%) MVC
13 201 (15.53%) OO
14 199 (15.38%) Continuous Integration
15 188 (14.53%) Software Testing
16 160 (12.36%) Unit Testing
17 159 (12.29%) Front End Development
18 154 (11.90%) User Stories
19 148 (11.44%) Digital Banking
20 144 (11.13%) Open Source
Programming Languages
1 572 (44.20%) C#
2 495 (38.25%) JavaScript
3 390 (30.14%) SQL
4 347 (26.82%) Java
5 216 (16.69%) Python
6 125 (9.66%) PHP
7 119 (9.20%) TypeScript
8 107 (8.27%) C
9 105 (8.11%) Shell Script
10 98 (7.57%) Groovy
11 56 (4.33%) Bash Shell
11 56 (4.33%) Java 8
12 55 (4.25%) C++
13 44 (3.40%) Go
14 32 (2.47%) Ruby
15 29 (2.24%) T-SQL
16 28 (2.16%) Scala
17 24 (1.85%) PowerShell
18 18 (1.39%) PHP 7
18 18 (1.39%) VB.NET
Qualifications
1 319 (24.65%) Degree
2 127 (9.81%) Computer Science Degree
2 127 (9.81%) OCP
2 127 (9.81%) Oracle Certification
3 59 (4.56%) Security Cleared
4 50 (3.86%) SC Cleared
5 13 (1.00%) Numerate Degree
6 11 (0.85%) Master's Degree
7 10 (0.77%) AWS Certification
8 8 (0.62%) ISEB
9 7 (0.54%) ISTQB
10 4 (0.31%) ISTQB Foundation Certification
11 3 (0.23%) Microsoft Certification
12 2 (0.15%) CBAP
12 2 (0.15%) CTC Cleared
12 2 (0.15%) IIBA
12 2 (0.15%) PhD
13 1 (0.077%) DV Cleared
13 1 (0.077%) ISTQB Advanced Certification
13 1 (0.077%) MCAD
Quality Assurance & Compliance
1 127 (9.81%) QA
2 30 (2.32%) SLA
3 19 (1.47%) ISO 9001
4 14 (1.08%) Accessibility
5 4 (0.31%) WCAG
6 3 (0.23%) 21 CFR Part 11
6 3 (0.23%) GxP
7 2 (0.15%) GDPR
8 1 (0.077%) Data Quality
8 1 (0.077%) PCI DSS
System Software
1 209 (16.15%) Docker
2 100 (7.73%) HDFS
3 77 (5.95%) VMware Infrastructure
4 30 (2.32%) Virtual Machines
5 7 (0.54%) Apache ZooKeeper
6 3 (0.23%) Active Directory
7 2 (0.15%) Firmware
8 1 (0.077%) Postfix
Systems Management
1 197 (15.22%) Kubernetes
2 140 (10.82%) Ansible
3 64 (4.95%) Terraform
4 53 (4.10%) Opscode Chef
5 33 (2.55%) Kibana
6 32 (2.47%) Grafana
7 11 (0.85%) Puppet
8 8 (0.62%) Rancher
9 5 (0.39%) Active Directory Federation Services
10 3 (0.23%) Single Sign-On
11 2 (0.15%) CA Single Sign-On
11 2 (0.15%) Prometheus
12 1 (0.077%) Hadoop YARN
12 1 (0.077%) HP ALM
12 1 (0.077%) HP Quality Center
12 1 (0.077%) logstash
12 1 (0.077%) ZABBIX
Vendors
1 99 (7.65%) VMware
2 95 (7.34%) Okta
3 79 (6.11%) Microsoft
4 76 (5.87%) Oracle
5 32 (2.47%) Google
5 32 (2.47%) WooCommerce
6 21 (1.62%) Xamarin
7 19 (1.47%) PayPal
8 11 (0.85%) YouTube
9 7 (0.54%) CA Agile Central
10 6 (0.46%) Databricks
10 6 (0.46%) SAP
11 5 (0.39%) Atlassian
11 5 (0.39%) HP
11 5 (0.39%) InterSystems
12 3 (0.23%) Agilent
12 3 (0.23%) Elastic Path
12 3 (0.23%) Mercator
12 3 (0.23%) Salesforce.com
13 2 (0.15%) Dell