Period
to 21 February 2020

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 21 February 2020 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
England > South East
6 months to
21 Feb 2020
Same period 2019 Same period 2018
Rank 36 29 22
Rank change year-on-year -7 -7 +4
Permanent jobs citing TDD 1,314 1,966 2,858
As % of all permanent IT jobs advertised in the South East 5.76% 7.32% 9.05%
As % of the Processes & Methodologies category 6.38% 7.98% 10.01%
Number of salaries quoted 1,129 1,777 2,620
South East median annual salary £51,500 £50,000 £46,000
Median salary % change year-on-year +3.00% +8.70% -3.16%
10th Percentile £32,500 £32,500 £32,500
90th Percentile £75,000 £71,500 £63,750
England median annual salary £60,000 £55,000 £52,500
% change year-on-year +9.09% +4.76% +5.00%

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 20,603 24,631 28,552
As % of all permanent IT jobs advertised in the South East 90.28% 91.75% 90.38%
Number of salaries quoted 16,625 20,112 23,607
South East median annual salary £50,000 £47,500 £45,000
Median salary % change year-on-year +5.26% +5.56% -
10th Percentile £29,000 £28,000 £27,500
90th Percentile £77,500 £73,750 £68,750
England median annual salary £55,000 £52,500 £50,000
% change year-on-year +4.76% +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 21 February 2020.

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 21 February 2020. 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 -1 468 £60,000 +9.09% 71
Hampshire -5 388 £45,000 -5.26% 69
Berkshire -1 279 £65,000 +8.33% 31
West Sussex -10 132 £50,000 +5.26% 19
Surrey -44 125 £50,000 -6.98% 43
East Sussex -18 119 £50,000 - 12
Buckinghamshire -7 112 £47,500 - 15
Oxfordshire +7 77 £56,250 +2.27% 25
Kent -10 56 £51,500 +21.18% 19
Home Counties - 1 £45,000 -
TDD
England

For the 6 months to 21 February 2020, 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.

1 941 (71.61%) Agile Software Development
2 683 (51.98%) JavaScript
3 660 (50.23%) C#
4 595 (45.28%) .NET
5 508 (38.66%) BDD
6 490 (37.29%) HTML
7 450 (34.25%) Scrum
8 441 (33.56%) MVC
9 434 (33.03%) AngularJS
10 427 (32.50%) CSS
11 383 (29.15%) Git (software)
12 364 (27.70%) Java
13 349 (26.56%) ASP.NET
14 348 (26.48%) Azure
15 345 (26.26%) SQL
16 313 (23.82%) SQL Server
17 294 (22.37%) ASP.NET MVC
18 282 (21.46%) Test Automation
19 263 (20.02%) Web Services
20 257 (19.56%) Continuous Integration
21 256 (19.48%) DevOps
22 243 (18.49%) React
23 238 (18.11%) .NET Framework
24 236 (17.96%) Software Engineering
25 223 (16.97%) AWS
25 223 (16.97%) Microsoft
26 218 (16.59%) RESTful
27 190 (14.46%) Spring
28 188 (14.31%) Visual Studio
29 184 (14.00%) Jenkins

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 86 (6.54%) Confluence
2 36 (2.74%) Tomcat
3 29 (2.21%) IIS
4 25 (1.90%) CMS
5 24 (1.83%) WebSphere
6 20 (1.52%) Elasticsearch
7 19 (1.45%) EPiServer
7 19 (1.45%) Sitecore CMS
8 15 (1.14%) WordPress
9 11 (0.84%) Umbraco
10 8 (0.61%) Apache Solr
10 8 (0.61%) JBoss
11 7 (0.53%) Apache
12 6 (0.46%) Cloud Foundry
12 6 (0.46%) Red Hat Fuse
13 4 (0.30%) GlassFish
13 4 (0.30%) NServiceBus
14 3 (0.23%) Drupal
15 2 (0.15%) Apache Spark
16 1 (0.076%) OpenStack
Applications
1 9 (0.68%) Adobe Illustrator
1 9 (0.68%) Photoshop
2 4 (0.30%) Microsoft Office
2 4 (0.30%) Microsoft Project
2 4 (0.30%) MS Visio
3 3 (0.23%) Adobe Creative Suite
3 3 (0.23%) Adobe XD
3 3 (0.23%) Sketch
4 2 (0.15%) Chatbot
5 1 (0.076%) Microsoft Excel
Business Applications
1 26 (1.98%) Dynamics CRM
2 8 (0.61%) Adobe Campaign
3 1 (0.076%) Magento
3 1 (0.076%) Payment Gateway
Cloud Services
1 348 (26.48%) Azure
2 223 (16.97%) AWS
3 74 (5.63%) GitHub
4 62 (4.72%) SaaS
5 37 (2.82%) Serverless
6 33 (2.51%) Slack
7 22 (1.67%) GCP
8 18 (1.37%) Amazon EC2
9 17 (1.29%) PaaS
10 16 (1.22%) Amazon SQS
11 15 (1.14%) Heroku
12 11 (0.84%) Amazon Cognito
13 10 (0.76%) BrowserStack
13 10 (0.76%) IaaS
14 8 (0.61%) Google Play
15 6 (0.46%) Azure Functions
16 5 (0.38%) AWS Lambda
16 5 (0.38%) CloudBees
16 5 (0.38%) Dynamics 365
16 5 (0.38%) Sage Pay
Communications & Networking
1 40 (3.04%) HTTP
2 24 (1.83%) Internet
3 11 (0.84%) DNS
4 10 (0.76%) MPLS
4 10 (0.76%) SNMP
5 8 (0.61%) HTTPS
5 8 (0.61%) SSL
6 7 (0.53%) FTP
7 4 (0.30%) TCP/IP
8 3 (0.23%) Firewall
8 3 (0.23%) Network Security
8 3 (0.23%) SSH
8 3 (0.23%) Wireless
9 2 (0.15%) WebEx
10 1 (0.076%) AMQP
10 1 (0.076%) Hyperconnected
10 1 (0.076%) LAN
10 1 (0.076%) MQTT
10 1 (0.076%) Skype
10 1 (0.076%) WAN
Database & Business Intelligence
1 313 (23.82%) SQL Server
2 84 (6.39%) MySQL
3 70 (5.33%) NoSQL
3 70 (5.33%) PostgreSQL
4 44 (3.35%) Relational Database
5 31 (2.36%) SQL Server 2016
6 29 (2.21%) Azure SQL Database
7 26 (1.98%) MongoDB
8 25 (1.90%) Big Data
9 21 (1.60%) Redis
9 21 (1.60%) SQL Server 2012
10 10 (0.76%) Amazon RDS
11 8 (0.61%) Data Warehouse
11 8 (0.61%) NuoDB
12 7 (0.53%) Amazon DynamoDB
13 6 (0.46%) Cosmos DB
13 6 (0.46%) Hadoop
13 6 (0.46%) MS Access
13 6 (0.46%) SQL Server 2017
14 5 (0.38%) RDBMS
Development Applications
1 383 (29.15%) Git (software)
2 188 (14.31%) Visual Studio
3 184 (14.00%) Jenkins
4 147 (11.19%) JIRA
5 141 (10.73%) Selenium
6 115 (8.75%) NUnit
7 103 (7.84%) Cucumber
8 82 (6.24%) Maven
9 73 (5.56%) StyleCop
10 65 (4.95%) TeamCity
11 62 (4.72%) JUnit
12 59 (4.49%) SpecFlow
13 52 (3.96%) Octopus Deploy
14 50 (3.81%) Postman
15 47 (3.58%) Mocha
16 43 (3.27%) WebDriver
17 41 (3.12%) Subversion
18 40 (3.04%) Bitbucket
19 37 (2.82%) Jasmine
19 37 (2.82%) SoapUI
General
1 146 (11.11%) Finance
2 75 (5.71%) Retail
3 40 (3.04%) Games
4 32 (2.44%) Public Sector
5 23 (1.75%) Back Office
6 22 (1.67%) Marketing
7 17 (1.29%) Automotive
8 11 (0.84%) Law
8 11 (0.84%) Manufacturing
8 11 (0.84%) Telecoms
9 10 (0.76%) Advertising
9 10 (0.76%) Publishing
10 9 (0.68%) Financial Institution
11 8 (0.61%) Electronics
12 6 (0.46%) Aerospace
12 6 (0.46%) Police
13 5 (0.38%) Banking
14 2 (0.15%) Music Industry
15 1 (0.076%) Norwegian Language
15 1 (0.076%) Retail Banking
Job Titles
1 893 (67.96%) Developer
2 284 (21.61%) .NET Developer
3 266 (20.24%) C# Developer
4 208 (15.83%) Senior Developer
5 206 (15.68%) Software Developer
6 189 (14.38%) Java Developer
7 173 (13.17%) C# .NET Developer
8 130 (9.89%) Software Engineer
9 102 (7.76%) ASP.NET Developer
10 99 (7.53%) C# ASP.NET Developer
11 85 (6.47%) Full Stack Developer
12 73 (5.56%) C# Software Developer
13 72 (5.48%) Senior Java Developer
14 67 (5.10%) Test Engineer
15 55 (4.19%) Senior .NET Developer
16 54 (4.11%) .NET Software Developer
17 53 (4.03%) Senior Software Engineer
18 49 (3.73%) Lead Developer
19 45 (3.42%) Front End Developer (Client-Side Developer)
20 43 (3.27%) Senior Software Developer
Libraries, Frameworks & Software Standards
1 595 (45.28%) .NET
2 490 (37.29%) HTML
3 434 (33.03%) AngularJS
4 427 (32.50%) CSS
5 349 (26.56%) ASP.NET
6 294 (22.37%) ASP.NET MVC
7 263 (20.02%) Web Services
8 243 (18.49%) React
9 238 (18.11%) .NET Framework
10 218 (16.59%) RESTful
11 190 (14.46%) Spring
12 173 (13.17%) ASP.NET Web API
13 170 (12.94%) Node.js
14 166 (12.63%) jQuery
15 157 (11.95%) Entity Framework
16 156 (11.87%) HTML5
17 147 (11.19%) REST
18 141 (10.73%) .NET Core
19 136 (10.35%) WCF
20 88 (6.70%) LINQ
Miscellaneous
1 134 (10.20%) Greenfield Project
2 60 (4.57%) Self-Motivation
3 41 (3.12%) Analytical Skills
3 41 (3.12%) Mobile App
4 38 (2.89%) User Experience
5 19 (1.45%) Enterprise Software
6 14 (1.07%) Management Information System
7 13 (0.99%) Cloud Native
8 12 (0.91%) Social Media
9 9 (0.68%) Algorithms
10 6 (0.46%) Linux Command Line
11 5 (0.38%) Data Structures
11 5 (0.38%) PMI
11 5 (0.38%) Virtual Team
12 4 (0.30%) BBC
13 3 (0.23%) EPoS
13 3 (0.23%) Online Games
13 3 (0.23%) Robotics
14 2 (0.15%) LIMS
14 2 (0.15%) Social Network
Operating Systems
1 95 (7.23%) Linux
2 86 (6.54%) Windows
3 39 (2.97%) Apple iOS
4 37 (2.82%) Android
5 20 (1.52%) Windows Server
6 17 (1.29%) Unix
7 11 (0.84%) CentOS
7 11 (0.84%) Ubuntu
8 6 (0.46%) Debian
9 4 (0.30%) Red Hat Enterprise Linux
10 1 (0.076%) Mac OS X
10 1 (0.076%) VMS
Processes & Methodologies
1 941 (71.61%) Agile Software Development
2 508 (38.66%) BDD
3 450 (34.25%) Scrum
4 441 (33.56%) MVC
5 282 (21.46%) Test Automation
6 257 (19.56%) Continuous Integration
7 256 (19.48%) DevOps
8 236 (17.96%) Software Engineering
9 166 (12.63%) Problem-Solving
10 156 (11.87%) Unit Testing
11 152 (11.57%) Microservices
12 147 (11.19%) Mentoring
13 123 (9.36%) OO
14 120 (9.13%) Computer Science
15 119 (9.06%) SOLID
16 97 (7.38%) Kanban
17 86 (6.54%) Continuous Improvement
18 79 (6.01%) Web Development
19 74 (5.63%) Front End Development
19 74 (5.63%) Web Application Development
Programming Languages
1 683 (51.98%) JavaScript
2 660 (50.23%) C#
3 364 (27.70%) Java
4 345 (26.26%) SQL
5 120 (9.13%) Python
6 98 (7.46%) TypeScript
7 90 (6.85%) Ruby
8 78 (5.94%) Java 8
9 75 (5.71%) T-SQL
10 65 (4.95%) C++
11 52 (3.96%) PHP
12 49 (3.73%) PowerShell
13 46 (3.50%) C
14 31 (2.36%) ES6
15 22 (1.67%) Kotlin
16 21 (1.60%) VB.NET
17 20 (1.52%) Apple Swift
17 20 (1.52%) Scala
17 20 (1.52%) VBScript
18 12 (0.91%) F#
Qualifications
1 153 (11.64%) Degree
2 67 (5.10%) Security Cleared
3 46 (3.50%) SC Cleared
4 39 (2.97%) Computer Science Degree
5 33 (2.51%) ISTQB
6 21 (1.60%) ISEB
7 16 (1.22%) Numerate Degree
8 13 (0.99%) DV Cleared
9 11 (0.84%) Microsoft Certification
10 9 (0.68%) ISTQB Foundation Certification
11 3 (0.23%) Master's Degree
12 2 (0.15%) ISTQB Advanced Certification
13 1 (0.076%) CIW
13 1 (0.076%) CTC Cleared
13 1 (0.076%) MCITP
13 1 (0.076%) PMI Certification
Quality Assurance & Compliance
1 103 (7.84%) QA
2 8 (0.61%) Data Quality
3 4 (0.30%) GDPR
3 4 (0.30%) ISO/IEC 27001
3 4 (0.30%) PCI DSS
3 4 (0.30%) PMBOK
4 2 (0.15%) WAI
5 1 (0.076%) IEC 62304
5 1 (0.076%) ISO 13485
5 1 (0.076%) ISO 9001
5 1 (0.076%) PMO
System Software
1 154 (11.72%) Docker
2 9 (0.68%) VMware Infrastructure
3 7 (0.53%) vSphere
4 6 (0.46%) Virtual Machines
5 5 (0.38%) Postfix
6 2 (0.15%) Active Directory
6 2 (0.15%) vCloud
7 1 (0.076%) Apache Flume
7 1 (0.076%) Hyper-V
Systems Management
1 90 (6.85%) Kubernetes
2 64 (4.87%) Terraform
3 22 (1.67%) Ansible
4 21 (1.60%) Opscode Chef
4 21 (1.60%) Puppet
5 10 (0.76%) MIIS
6 9 (0.68%) Docker Swarm
7 8 (0.61%) AirWatch
7 8 (0.61%) Microsoft Intune
8 5 (0.38%) Kibana
9 4 (0.30%) Marathon
9 4 (0.30%) Mesos
10 3 (0.23%) Ambari
10 3 (0.23%) SELinux
11 2 (0.15%) Salt
11 2 (0.15%) Single Sign-On
12 1 (0.076%) Graphite
12 1 (0.076%) Hadoop YARN
12 1 (0.076%) HP ALM
12 1 (0.076%) Packer
Vendors
1 223 (16.97%) Microsoft
2 46 (3.50%) Oracle
3 37 (2.82%) Google
4 25 (1.90%) Splunk
5 24 (1.83%) Atlassian
6 22 (1.67%) IBM
7 19 (1.45%) Sitecore
8 16 (1.22%) Salesforce.com
9 14 (1.07%) SAP
10 13 (0.99%) Adobe
11 12 (0.91%) Sage
12 10 (0.76%) VMware
13 9 (0.68%) Facebook
14 8 (0.61%) Salesforce Marketing Cloud
15 7 (0.53%) hybris
16 6 (0.46%) Xamarin
17 5 (0.38%) HP
17 5 (0.38%) Sony
17 5 (0.38%) Twitter
17 5 (0.38%) Zend