Period
to 24 July 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 24 July 2021 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
England > South East
6 months to
24 Jul 2021
Same period 2020 Same period 2019
Rank 34 38 36
Rank change year-on-year +4 -2 -9
Permanent jobs citing TDD 1,190 723 1,675
As % of all permanent jobs advertised in the South East 7.25% 5.90% 6.33%
As % of the Processes & Methodologies category 7.80% 6.45% 6.91%
Number of salaries quoted 811 621 1,384
10th Percentile £37,500 £33,750 £32,500
25th Percentile £42,500 £41,250 £40,000
Median annual salary (50th Percentile) £55,000 £55,000 £50,000
Median % change year-on-year - +10.00% +5.26%
75th Percentile £67,500 £64,750 £62,500
90th Percentile £78,750 £75,000 £72,500
England median annual salary £62,500 £60,000 £55,000
% change year-on-year +4.17% +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 15,262 11,210 24,245
As % of all permanent IT jobs advertised in the South East 93.01% 91.47% 91.63%
Number of salaries quoted 10,846 9,189 19,793
10th Percentile £32,500 £31,250 £28,250
25th Percentile £40,371 £38,750 £36,250
Median annual salary (50th Percentile) £52,000 £50,000 £50,000
Median % change year-on-year +4.00% - +5.26%
75th Percentile £65,000 £65,000 £62,500
90th Percentile £78,750 £76,700 £75,000
England median annual salary £57,500 £55,000 £52,500
% change year-on-year +4.55% +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 24 July 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 24 July 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 +15 509 £52,500 +5.00% 48
Thames Valley +3 418 £50,000 -16.67% 86
Berkshire +1 290 £55,000 -8.33% 44
Surrey +9 158 £60,000 +14.29% 23
Buckinghamshire +6 107 £47,000 -18.26% 26
East Sussex -16 59 £51,250 +28.13% 10
West Sussex -50 25 £60,000 +14.29% 11
Oxfordshire -29 21 £60,000 +26.32% 16
Kent -22 15 £47,500 -9.95% 11
Home Counties - 4 £65,000 -
TDD
England

For the 6 months to 24 July 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.

1 871 (73.19%) Agile Software Development
2 525 (44.12%) C#
3 479 (40.25%) .NET
4 462 (38.82%) JavaScript
5 458 (38.49%) Scrum
6 457 (38.40%) BDD
7 418 (35.13%) Azure
8 402 (33.78%) DevOps
9 389 (32.69%) AngularJS
10 375 (31.51%) React
11 358 (30.08%) AWS
12 356 (29.92%) Java
13 354 (29.75%) Microservices
14 328 (27.56%) Degree
15 319 (26.81%) Git (software)
16 310 (26.05%) CSS
17 307 (25.80%) SQL
18 298 (25.04%) Software Engineering
19 288 (24.20%) Test Automation
20 267 (22.44%) Finance
21 266 (22.35%) RESTful
22 265 (22.27%) Jenkins
23 262 (22.02%) Computer Science
24 251 (21.09%) .NET Core
25 229 (19.24%) Spring
26 211 (17.73%) MVC
27 207 (17.39%) SQL Server
28 205 (17.23%) Docker
29 204 (17.14%) Python
30 201 (16.89%) Continuous Integration

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
1 130 (10.92%) GemFire
2 107 (8.99%) Apache
3 102 (8.57%) Apache Spark
4 46 (3.87%) Elasticsearch
5 32 (2.69%) Cloud Foundry
6 25 (2.10%) CMS
7 20 (1.68%) Tomcat
8 18 (1.51%) EPiServer
9 17 (1.43%) WordPress
10 16 (1.34%) IIS
11 14 (1.18%) Umbraco
12 13 (1.09%) Confluence
13 9 (0.76%) SharePoint
14 8 (0.67%) nginx
14 8 (0.67%) OpenStack
15 4 (0.34%) MS Exchange
15 4 (0.34%) Oracle Spatial
16 3 (0.25%) ArcGIS
16 3 (0.25%) Tornado
17 2 (0.17%) Apache Solr
Applications
1 4 (0.34%) Microsoft Excel
2 2 (0.17%) EngageOne
3 1 (0.084%) MS Visio
3 1 (0.084%) Sketch
3 1 (0.084%) Zeplin
Business Applications
1 19 (1.60%) Dynamics CRM
Cloud Services
1 418 (35.13%) Azure
2 358 (30.08%) AWS
3 165 (13.87%) GitHub
4 90 (7.56%) GCP
5 71 (5.97%) SaaS
6 60 (5.04%) Serverless
7 56 (4.71%) Amazon Kinesis
8 45 (3.78%) PaaS
9 18 (1.51%) Apigee
10 16 (1.34%) Amazon SQS
11 14 (1.18%) AWS Lambda
12 13 (1.09%) Cloud Computing
13 11 (0.92%) Amazon S3
14 10 (0.84%) NuGet
15 9 (0.76%) Amazon EC2
15 9 (0.76%) DigitalOcean
16 8 (0.67%) Azure Functions
17 7 (0.59%) Azure Service Bus
18 6 (0.50%) Amazon ECS
18 6 (0.50%) AWS CloudFormation
Communications & Networking
1 28 (2.35%) Calico
2 16 (1.34%) HTTP
3 7 (0.59%) TCP/IP
4 6 (0.50%) Skype
5 5 (0.42%) MQTT
5 5 (0.42%) SMTP
6 4 (0.34%) H.323
6 4 (0.34%) Network Security
6 4 (0.34%) Wireshark
7 3 (0.25%) Internet
7 3 (0.25%) Software-Defined Radio
Database & Business Intelligence
1 207 (17.39%) SQL Server
2 161 (13.53%) NoSQL
3 152 (12.77%) Big Data
4 150 (12.61%) PostgreSQL
5 134 (11.26%) Relational Database
6 97 (8.15%) HBase
7 94 (7.90%) MariaDB
8 92 (7.73%) Redis
9 48 (4.03%) MySQL
10 33 (2.77%) MongoDB
11 19 (1.60%) Oracle Database
12 18 (1.51%) Amazon RDS
13 15 (1.26%) RDBMS
14 8 (0.67%) Amazon DynamoDB
14 8 (0.67%) Apache Hive
14 8 (0.67%) Hadoop
15 7 (0.59%) Azure SQL Database
15 7 (0.59%) Geospatial Data
16 6 (0.50%) GIS
16 6 (0.50%) Spatial Data
Development Applications
1 319 (26.81%) Git (software)
2 265 (22.27%) Jenkins
3 191 (16.05%) Selenium
4 173 (14.54%) Cucumber
5 138 (11.60%) Protractor
6 135 (11.34%) Sonatype Nexus
7 130 (10.92%) Gradle
8 128 (10.76%) Cypress.io
9 117 (9.83%) JUnit
10 105 (8.82%) IntelliJ
11 102 (8.57%) Storybook
12 97 (8.15%) Eclipse
13 93 (7.82%) Mockito
13 93 (7.82%) Visual Studio
14 90 (7.56%) JIRA
15 72 (6.05%) SonarQube
16 64 (5.38%) NUnit
17 58 (4.87%) SpecFlow
18 55 (4.62%) Artifactory
19 43 (3.61%) gulp
General
1 267 (22.44%) Finance
2 191 (16.05%) Social Skills
3 160 (13.45%) Banking
4 148 (12.44%) Inclusion and Diversity
5 144 (12.10%) Law
6 46 (3.87%) Retail
7 27 (2.27%) Analytical Skills
8 19 (1.60%) Back Office
9 17 (1.43%) Marketing
10 16 (1.34%) Organisational Skills
11 15 (1.26%) Games
12 12 (1.01%) Automotive
12 12 (1.01%) Public Sector
13 9 (0.76%) Telecoms
14 8 (0.67%) Electronics
15 7 (0.59%) Manufacturing
16 4 (0.34%) Publishing
17 3 (0.25%) Documentation Skills
18 2 (0.17%) Local Government
18 2 (0.17%) Military
Job Titles
1 672 (56.47%) Developer
2 223 (18.74%) Software Developer
3 192 (16.13%) Software Engineer
4 175 (14.71%) Senior Developer
5 174 (14.62%) .NET Developer
6 151 (12.69%) C# Developer
7 111 (9.33%) C# .NET Developer
8 86 (7.23%) Front End Developer (Client-Side Developer)
9 82 (6.89%) Lead Developer
10 81 (6.81%) Java Developer
11 78 (6.55%) Senior Software Developer
12 67 (5.63%) Senior Software Engineer
13 60 (5.04%) Test Engineer
14 59 (4.96%) .NET Software Developer
15 53 (4.45%) Architect
16 51 (4.29%) React Developer
17 48 (4.03%) Lead Software Engineer
18 45 (3.78%) C# Software Developer
19 44 (3.70%) Team Leader
20 43 (3.61%) Full Stack Developer
Libraries, Frameworks & Software Standards
1 479 (40.25%) .NET
2 389 (32.69%) AngularJS
3 375 (31.51%) React
4 310 (26.05%) CSS
5 266 (22.35%) RESTful
6 251 (21.09%) .NET Core
7 229 (19.24%) Spring
8 198 (16.64%) Node.js
9 185 (15.55%) HTML
10 167 (14.03%) Web Services
11 165 (13.87%) ASP.NET
12 142 (11.93%) .NET Framework
13 141 (11.85%) Kafka
14 133 (11.18%) Redux
14 133 (11.18%) Twitter Bootstrap
15 130 (10.92%) REST
16 121 (10.17%) JSON
17 120 (10.08%) LAMP
17 120 (10.08%) WireMock
18 116 (9.75%) ASP.NET MVC
Miscellaneous
1 125 (10.50%) User Experience
2 103 (8.66%) Self-Motivation
3 99 (8.32%) Linux Command Line
4 43 (3.61%) Mobile App
5 40 (3.36%) Greenfield Project
6 28 (2.35%) Algorithms
7 21 (1.76%) Hybrid Cloud
8 20 (1.68%) Enterprise Software
8 20 (1.68%) iPad
8 20 (1.68%) Legacy Systems
8 20 (1.68%) LIMS
9 18 (1.51%) Management Information System
9 18 (1.51%) Virtual Team
10 16 (1.34%) Data Structures
10 16 (1.34%) iPhone
11 15 (1.26%) Renewable Energy
12 8 (0.67%) Cloud Native
13 5 (0.42%) Industry 4.0
13 5 (0.42%) Raspberry Pi
13 5 (0.42%) Video Conferencing
Operating Systems
1 182 (15.29%) Linux
2 108 (9.08%) Unix
3 37 (3.11%) Windows
4 34 (2.86%) Android
5 16 (1.34%) Windows Server
6 13 (1.09%) Apple iOS
7 7 (0.59%) SUSE
8 6 (0.50%) CentOS
8 6 (0.50%) Ubuntu
9 5 (0.42%) VMS
10 3 (0.25%) Embedded Linux
Processes & Methodologies
1 871 (73.19%) Agile Software Development
2 458 (38.49%) Scrum
3 457 (38.40%) BDD
4 402 (33.78%) DevOps
5 354 (29.75%) Microservices
6 298 (25.04%) Software Engineering
7 288 (24.20%) Test Automation
8 262 (22.02%) Computer Science
9 211 (17.73%) MVC
10 201 (16.89%) Continuous Integration
11 184 (15.46%) SOLID
12 178 (14.96%) Mentoring
13 165 (13.87%) Software Testing
14 163 (13.70%) OO
15 156 (13.11%) Open Source
16 147 (12.35%) Fintech
17 141 (11.85%) User Stories
18 140 (11.76%) Digital Banking
19 119 (10.00%) Unit Testing
20 117 (9.83%) Event-Driven
Programming Languages
1 525 (44.12%) C#
2 462 (38.82%) JavaScript
3 356 (29.92%) Java
4 307 (25.80%) SQL
5 204 (17.14%) Python
6 101 (8.49%) Shell Script
7 100 (8.40%) Groovy
8 86 (7.23%) TypeScript
9 79 (6.64%) PHP
10 60 (5.04%) Java 8
11 41 (3.45%) C
12 40 (3.36%) C++
13 37 (3.11%) Bash Shell
14 34 (2.86%) Go
15 33 (2.77%) Ruby
16 32 (2.69%) T-SQL
17 19 (1.60%) Scala
18 16 (1.34%) PowerShell
19 15 (1.26%) Java 11
20 14 (1.18%) VB
Qualifications
1 328 (27.56%) Degree
2 120 (10.08%) OCP
2 120 (10.08%) Oracle Certification
3 110 (9.24%) Computer Science Degree
4 45 (3.78%) Security Cleared
5 43 (3.61%) SC Cleared
6 23 (1.93%) ISEB
7 18 (1.51%) Microsoft Certification
8 15 (1.26%) AWS Certification
9 10 (0.84%) ISTQB
10 7 (0.59%) ISTQB Foundation Certification
10 7 (0.59%) Master's Degree
11 2 (0.17%) CTC Cleared
12 1 (0.084%) BPSS Clearance
12 1 (0.084%) CBAP
12 1 (0.084%) CITP
12 1 (0.084%) IIBA
12 1 (0.084%) PhD
Quality Assurance & Compliance
1 129 (10.84%) QA
2 28 (2.35%) SLA
3 7 (0.59%) Accessibility
4 6 (0.50%) ISO 9001
5 5 (0.42%) ISO/IEC 27001
5 5 (0.42%) SOC 2
5 5 (0.42%) WCAG
System Software
1 205 (17.23%) Docker
2 96 (8.07%) HDFS
3 80 (6.72%) VMware Infrastructure
4 28 (2.35%) Virtual Machines
5 6 (0.50%) Apache ZooKeeper
6 4 (0.34%) Hyper-V
6 4 (0.34%) KVM
7 2 (0.17%) Active Directory
7 2 (0.17%) Firmware
8 1 (0.084%) Postfix
Systems Management
1 168 (14.12%) Kubernetes
2 127 (10.67%) Ansible
3 50 (4.20%) Opscode Chef
4 43 (3.61%) Terraform
5 35 (2.94%) Grafana
6 31 (2.61%) Kibana
7 11 (0.92%) Puppet
8 7 (0.59%) Prometheus
8 7 (0.59%) Rancher
9 6 (0.50%) Active Directory Federation Services
10 2 (0.17%) CA Single Sign-On
10 2 (0.17%) Hadoop YARN
10 2 (0.17%) HP ALM
10 2 (0.17%) HP Quality Center
10 2 (0.17%) Single Sign-On
11 1 (0.084%) logstash
11 1 (0.084%) MIIS
11 1 (0.084%) ZABBIX
Vendors
1 112 (9.41%) VMware
2 106 (8.91%) Oracle
3 102 (8.57%) Okta
4 94 (7.90%) Microsoft
5 39 (3.28%) Google
6 17 (1.43%) PayPal
7 12 (1.01%) WooCommerce
8 9 (0.76%) Atlassian
8 9 (0.76%) ESRI
9 8 (0.67%) SAP
10 7 (0.59%) Xamarin
11 6 (0.50%) CA Agile Central
11 6 (0.50%) Salesforce.com
12 5 (0.42%) IBM
13 4 (0.34%) Mercator
14 3 (0.25%) Databricks
15 2 (0.17%) CA
15 2 (0.17%) Cloudera
15 2 (0.17%) HP
15 2 (0.17%) MuleSoft