Period
to 14 December 2019

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 14 December 2019 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
England > South East
6 months to
14 Dec 2019
Same period 2018 Same period 2017
Rank 37 28 24
Rank change year-on-year -9 -4 +8
Permanent jobs citing TDD 1,399 2,101 2,674
As % of all permanent IT jobs advertised in the South East 5.77% 7.48% 8.55%
As % of the Processes & Methodologies category 6.40% 8.18% 9.46%
Number of salaries quoted 1,221 1,928 2,417
South East median annual salary £51,500 £50,000 £45,000
Median salary % change year-on-year +3.00% +11.11% -
10th Percentile £32,500 £33,000 £32,500
90th Percentile £75,000 £71,250 £65,000
England median annual salary £60,000 £55,000 £52,500
% 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 21,871 25,687 28,271
As % of all permanent IT jobs advertised in the South East 90.25% 91.46% 90.34%
Number of salaries quoted 17,685 21,020 23,256
South East median annual salary £50,000 £47,500 £45,000
Median salary % change year-on-year +5.26% +5.56% -
10th Percentile £28,750 £28,250 £27,000
90th Percentile £75,000 £72,500 £68,750
England median annual salary £52,945 £52,500 £50,000
% change year-on-year +0.85% +5.00% -

TDD
Job Vacancy Trend in the South East

Job postings citing TDD as a percentage 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

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing TDD in the South East.

Salary trend for TDD in the South East

TDD
Salary Histogram in the South East

The salary distribution of IT jobs citing TDD in the South East over the 6 months to 14 December 2019.

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 14 December 2019. 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 -15 468 £55,000 - 83
Hampshire -10 406 £45,000 - 53
Berkshire -9 262 £63,500 +5.83% 43
Surrey -23 161 £55,000 +10.00% 31
East Sussex -6 149 £52,500 +5.00% 11
West Sussex -11 138 £48,750 +2.63% 12
Oxfordshire +4 108 £57,500 +4.55% 28
Buckinghamshire -20 98 £42,500 -5.56% 12
Kent -23 54 £51,500 +21.89% 26
Middlesex - 9 £60,000 - 2
Home Counties - 1 £45,000 -
TDD
England

For the 6 months to 14 December 2019, 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.

1 968 (69.19%) Agile Software Development
2 769 (54.97%) JavaScript
3 719 (51.39%) C#
4 630 (45.03%) .NET
5 567 (40.53%) BDD
6 521 (37.24%) HTML
7 444 (31.74%) AngularJS
8 442 (31.59%) Scrum
9 433 (30.95%) CSS
10 431 (30.81%) Git (software)
11 421 (30.09%) MVC
12 372 (26.59%) Java
13 362 (25.88%) Azure
14 360 (25.73%) ASP.NET
15 343 (24.52%) SQL
16 334 (23.87%) SQL Server
17 309 (22.09%) Test Automation
18 300 (21.44%) DevOps
19 291 (20.80%) Software Engineering
20 288 (20.59%) Web Services
21 284 (20.30%) Continuous Integration
21 284 (20.30%) ASP.NET MVC
22 259 (18.51%) React
23 229 (16.37%) Microsoft
24 224 (16.01%) .NET Framework
25 217 (15.51%) AWS
25 217 (15.51%) Jenkins
26 215 (15.37%) RESTful
27 212 (15.15%) JIRA
28 209 (14.94%) Docker

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
1 134 (9.58%) Confluence
2 44 (3.15%) WordPress
3 33 (2.36%) CMS
4 32 (2.29%) IIS
5 23 (1.64%) Elasticsearch
5 23 (1.64%) Tomcat
6 19 (1.36%) Sitecore CMS
7 16 (1.14%) Drupal
8 15 (1.07%) SugarCRM
9 11 (0.79%) WebSphere
10 10 (0.71%) JBoss
11 9 (0.64%) Apache Solr
12 8 (0.57%) Cloud Foundry
13 7 (0.50%) GlassFish
14 6 (0.43%) NServiceBus
15 5 (0.36%) Apache
15 5 (0.36%) Joomla!
15 5 (0.36%) SharePoint
16 3 (0.21%) Apache Spark
16 3 (0.21%) nginx
Applications
1 12 (0.86%) Adobe Illustrator
1 12 (0.86%) Photoshop
2 4 (0.29%) Microsoft Excel
3 3 (0.21%) Adobe Creative Suite
3 3 (0.21%) Adobe XD
3 3 (0.21%) Sketch
4 2 (0.14%) Chatbot
5 1 (0.071%) Microsoft Office
5 1 (0.071%) Microsoft Project
5 1 (0.071%) MS Visio
Business Applications
1 38 (2.72%) Dynamics CRM
2 8 (0.57%) Adobe Campaign
Cloud Services
1 362 (25.88%) Azure
2 217 (15.51%) AWS
3 98 (7.01%) GitHub
4 68 (4.86%) SaaS
5 51 (3.65%) Serverless
6 47 (3.36%) GCP
7 39 (2.79%) Slack
8 24 (1.72%) npm
9 23 (1.64%) PaaS
10 15 (1.07%) BrowserStack
11 13 (0.93%) Dynamics 365
12 10 (0.71%) AWS Lambda
12 10 (0.71%) Azure Functions
12 10 (0.71%) Datadog
12 10 (0.71%) Heroku
12 10 (0.71%) OpenShift
12 10 (0.71%) Sage Pay
13 7 (0.50%) Amazon EC2
13 7 (0.50%) Power Platform
14 6 (0.43%) Firebase
Communications & Networking
1 38 (2.72%) HTTP
2 32 (2.29%) Internet
3 10 (0.71%) DNS
3 10 (0.71%) MPLS
3 10 (0.71%) SNMP
4 8 (0.57%) HTTPS
4 8 (0.57%) SSL
5 6 (0.43%) Bluetooth
5 6 (0.43%) TCP/IP
6 5 (0.36%) Wireless
7 4 (0.29%) Firewall
7 4 (0.29%) Network Security
7 4 (0.29%) SSH
8 2 (0.14%) AMQP
8 2 (0.14%) NFC
8 2 (0.14%) RFID
9 1 (0.071%) FTP
9 1 (0.071%) Intranet
9 1 (0.071%) LAN
9 1 (0.071%) WAN
Database & Business Intelligence
1 334 (23.87%) SQL Server
2 102 (7.29%) MySQL
3 83 (5.93%) NoSQL
4 52 (3.72%) Relational Database
5 48 (3.43%) PostgreSQL
6 40 (2.86%) MongoDB
7 31 (2.22%) SQL Server 2016
8 30 (2.14%) Azure SQL Database
9 23 (1.64%) SQL Server 2012
10 20 (1.43%) Redis
11 18 (1.29%) Big Data
12 15 (1.07%) RDBMS
13 11 (0.79%) Amazon RDS
14 10 (0.71%) SQL Server Reporting Services
15 9 (0.64%) MariaDB
16 8 (0.57%) Hadoop
17 7 (0.50%) Power BI
17 7 (0.50%) SAP HANA
18 6 (0.43%) Cosmos DB
19 5 (0.36%) Oracle Database
Development Applications
1 431 (30.81%) Git (software)
2 217 (15.51%) Jenkins
3 212 (15.15%) JIRA
4 184 (13.15%) Visual Studio
5 158 (11.29%) Selenium
6 102 (7.29%) NUnit
7 95 (6.79%) Cucumber
8 80 (5.72%) Maven
9 62 (4.43%) StyleCop
10 61 (4.36%) TeamCity
11 57 (4.07%) SpecFlow
12 55 (3.93%) JUnit
13 53 (3.79%) Mocha
14 51 (3.65%) Atlassian Bamboo
15 46 (3.29%) Bitbucket
15 46 (3.29%) Subversion
16 44 (3.15%) WebDriver
17 43 (3.07%) Team Foundation Server
18 40 (2.86%) Octopus Deploy
19 38 (2.72%) Visual Studio Team System
General
1 125 (8.93%) Finance
2 77 (5.50%) Retail
3 30 (2.14%) Public Sector
4 28 (2.00%) Marketing
5 25 (1.79%) Back Office
6 22 (1.57%) Games
7 18 (1.29%) Automotive
8 11 (0.79%) Advertising
8 11 (0.79%) Publishing
9 10 (0.71%) Manufacturing
9 10 (0.71%) Telecoms
10 9 (0.64%) Electronics
11 8 (0.57%) Aerospace
11 8 (0.57%) Banking
12 7 (0.50%) Financial Institution
12 7 (0.50%) Law
13 2 (0.14%) Arabic Language
13 2 (0.14%) Music Industry
13 2 (0.14%) Pharmaceutical
14 1 (0.071%) Military
Job Titles
1 954 (68.19%) Developer
2 298 (21.30%) .NET Developer
3 285 (20.37%) C# Developer
4 229 (16.37%) Senior Developer
5 204 (14.58%) Software Developer
6 186 (13.30%) C# .NET Developer
6 186 (13.30%) Java Developer
7 158 (11.29%) Software Engineer
8 107 (7.65%) ASP.NET Developer
9 105 (7.51%) C# ASP.NET Developer
10 78 (5.58%) Full Stack Developer
11 74 (5.29%) Test Engineer
12 73 (5.22%) Senior Java Developer
13 72 (5.15%) C# Software Developer
14 62 (4.43%) .NET Software Developer
15 60 (4.29%) Front End Developer (Client-Side Developer)
16 55 (3.93%) DevOps Engineer
17 54 (3.86%) Senior Software Engineer
18 48 (3.43%) Web Developer
19 47 (3.36%) Software Test Engineer
Libraries, Frameworks & Software Standards
1 630 (45.03%) .NET
2 521 (37.24%) HTML
3 444 (31.74%) AngularJS
4 433 (30.95%) CSS
5 360 (25.73%) ASP.NET
6 288 (20.59%) Web Services
7 284 (20.30%) ASP.NET MVC
8 259 (18.51%) React
9 224 (16.01%) .NET Framework
10 215 (15.37%) RESTful
11 191 (13.65%) ASP.NET Web API
11 191 (13.65%) Spring
12 184 (13.15%) jQuery
13 166 (11.87%) Node.js
14 165 (11.79%) REST
15 163 (11.65%) WCF
16 135 (9.65%) Entity Framework
17 134 (9.58%) HTML5
18 118 (8.43%) .NET Core
19 91 (6.50%) SOAP
Miscellaneous
1 124 (8.86%) Greenfield Project
2 63 (4.50%) Self-Motivation
3 44 (3.15%) User Experience
4 40 (2.86%) Enterprise Software
5 39 (2.79%) Mobile App
6 32 (2.29%) Analytical Skills
7 23 (1.64%) Cloud Native
8 22 (1.57%) iPad
9 16 (1.14%) Social Media
10 15 (1.07%) Linux Command Line
11 13 (0.93%) Algorithms
12 9 (0.64%) Management Information System
13 8 (0.57%) Driving Licence
14 7 (0.50%) Blog
15 4 (0.29%) BBC
15 4 (0.29%) Data Structures
15 4 (0.29%) PMI
15 4 (0.29%) RIA
16 3 (0.21%) Embedded Systems
16 3 (0.21%) Public Cloud
Operating Systems
1 138 (9.86%) Linux
2 81 (5.79%) Windows
3 43 (3.07%) Apple iOS
4 37 (2.64%) Android
5 22 (1.57%) Windows Server
6 20 (1.43%) Unix
7 14 (1.00%) Ubuntu
8 13 (0.93%) CentOS
9 7 (0.50%) Debian
10 6 (0.43%) Red Hat Enterprise Linux
11 3 (0.21%) Windows Server 2012
12 1 (0.071%) VMS
Processes & Methodologies
1 968 (69.19%) Agile Software Development
2 567 (40.53%) BDD
3 442 (31.59%) Scrum
4 421 (30.09%) MVC
5 309 (22.09%) Test Automation
6 300 (21.44%) DevOps
7 291 (20.80%) Software Engineering
8 284 (20.30%) Continuous Integration
9 200 (14.30%) Microservices
10 187 (13.37%) Unit Testing
11 185 (13.22%) Problem-Solving
12 164 (11.72%) Computer Science
13 143 (10.22%) Mentoring
14 129 (9.22%) OO
15 125 (8.93%) SOLID
16 124 (8.86%) Kanban
17 98 (7.01%) Web Development
18 97 (6.93%) Continuous Improvement
18 97 (6.93%) SDLC
19 93 (6.65%) Continuous Delivery
Programming Languages
1 769 (54.97%) JavaScript
2 719 (51.39%) C#
3 372 (26.59%) Java
4 343 (24.52%) SQL
5 141 (10.08%) Python
6 85 (6.08%) PHP
7 82 (5.86%) TypeScript
8 74 (5.29%) Ruby
9 72 (5.15%) Java 8
10 65 (4.65%) C++
11 61 (4.36%) C
12 60 (4.29%) T-SQL
13 57 (4.07%) PowerShell
14 50 (3.57%) ES6
15 38 (2.72%) VB.NET
16 32 (2.29%) Kotlin
17 20 (1.43%) Bash Shell
18 16 (1.14%) Apple Swift
18 16 (1.14%) VBScript
19 14 (1.00%) Scala
Qualifications
1 206 (14.72%) Degree
2 73 (5.22%) Computer Science Degree
3 64 (4.57%) Security Cleared
4 48 (3.43%) SC Cleared
5 30 (2.14%) ISTQB
6 23 (1.64%) ISEB
7 20 (1.43%) DV Cleared
8 17 (1.22%) Numerate Degree
9 13 (0.93%) Microsoft Certification
10 11 (0.79%) ISTQB Foundation Certification
11 5 (0.36%) MCITP
12 3 (0.21%) ISTQB Advanced Certification
12 3 (0.21%) PMI Certification
13 2 (0.14%) Master's Degree
14 1 (0.071%) MCP
14 1 (0.071%) MCSD
Quality Assurance & Compliance
1 111 (7.93%) QA
2 14 (1.00%) Data Quality
3 8 (0.57%) GDPR
4 4 (0.29%) ISO/IEC 27001
5 2 (0.14%) PCI DSS
6 1 (0.071%) IEC 62304
6 1 (0.071%) ISO 13485
6 1 (0.071%) PMBOK
6 1 (0.071%) WAI
System Software
1 209 (14.94%) Docker
2 7 (0.50%) Virtual Machines
3 6 (0.43%) Active Directory
4 3 (0.21%) vCloud
5 1 (0.071%) Apache Flume
5 1 (0.071%) Apache ZooKeeper
5 1 (0.071%) HDFS
5 1 (0.071%) Postfix
5 1 (0.071%) VMware Infrastructure
Systems Management
1 127 (9.08%) Kubernetes
2 49 (3.50%) Opscode Chef
2 49 (3.50%) Terraform
3 43 (3.07%) Ansible
4 41 (2.93%) Puppet
5 22 (1.57%) Docker Swarm
6 15 (1.07%) Kibana
7 11 (0.79%) Mesos
8 10 (0.71%) Marathon
8 10 (0.71%) MIIS
9 8 (0.57%) AirWatch
9 8 (0.57%) Microsoft Intune
10 5 (0.36%) HP Quality Center
10 5 (0.36%) Salt
11 4 (0.29%) Ambari
11 4 (0.29%) SELinux
12 2 (0.14%) Fluentd
12 2 (0.14%) Hadoop YARN
12 2 (0.14%) Istio
12 2 (0.14%) Prometheus
Vendors
1 229 (16.37%) Microsoft
2 46 (3.29%) Google
3 44 (3.15%) Oracle
4 28 (2.00%) Splunk
5 27 (1.93%) Atlassian
6 24 (1.72%) hybris
7 19 (1.36%) Sitecore
8 18 (1.29%) Zend
9 17 (1.22%) SAP
10 15 (1.07%) Adobe
10 15 (1.07%) IBM
11 12 (0.86%) Twitter
12 11 (0.79%) Sage
12 11 (0.79%) Salesforce.com
13 9 (0.64%) Facebook
14 8 (0.57%) Salesforce Marketing Cloud
15 6 (0.43%) Apple
15 6 (0.43%) Xamarin
16 5 (0.36%) HP
16 5 (0.36%) Remedy