Period
to 28 May 2020

The following table provides summary statistics for contract job vacancies advertised in the South East with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 6 months to 28 May 2020 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Test-Driven Development (TDD)
England > South East
6 months to
28 May 2020
Same period 2019 Same period 2018
Rank 89 36 39
Rank change year-on-year -53 +3 0
Contract jobs citing TDD 161 803 911
As % of all contract jobs advertised in the South East 2.26% 5.48% 5.43%
As % of the Processes & Methodologies category 2.69% 6.26% 6.33%
Number of daily rates quoted 95 534 635
Median daily rate £463 £463 £450
Median daily rate % change year-on-year - +2.78% +5.88%
10th Percentile £313 £369 £329
90th Percentile £604 £575 £563
England median daily rate £525 £525 £500
% change year-on-year - +5.00% +7.53%
Number of hourly rates quoted 2 4 19
Median hourly rate £51.50 £42.00 £45.00
Median hourly rate % change year-on-year +22.62% -6.67% -7.22%
10th Percentile £46.30 £40.64 £8.00
90th Percentile £56.70 £47.01 £49.00
England median hourly rate £55.00 £35.00 £45.00
% change year-on-year +57.14% -22.22% +9.76%

TDD is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the South East with a requirement for process or methodology skills.

All Process and Methodology Skills
South East
Contract vacancies with a requirement for process or methodology skills 5,991 12,829 14,394
As % of all contract IT jobs advertised in the South East 83.92% 87.47% 85.80%
Number of daily rates quoted 3,487 7,723 8,522
Median daily rate £450 £450 £433
Median daily rate % change year-on-year - +3.99% +4.28%
10th Percentile £263 £280 £275
90th Percentile £613 £610 £588
England median daily rate £475 £475 £463
% change year-on-year - +2.70% +2.78%
Number of hourly rates quoted 277 459 474
Median hourly rate £26.81 £27.50 £22.50
Median hourly rate % change year-on-year -2.51% +22.22% +7.14%
10th Percentile £12.83 £12.00 £10.73
90th Percentile £55.00 £55.00 £52.50
Median hourly rate £28.00 £24.91 £22.00
% change year-on-year +12.40% +13.23% -13.73%

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
Contractor Daily Rate Trend in the South East

3-month moving average daily rate quoted in jobs citing TDD in the South East.

Daily rate trend for TDD in the South East

TDD
Daily Rate Histogram in the South East

Daily rate distribution for jobs citing TDD in the South East over the 6 months to 28 May 2020.

Daily rate histogram for TDD in the South East

TDD
Contractor Hourly Rate Trend in the South East

3-month moving average hourly rates quoted in jobs citing TDD in the South East.

Hourly rate trend for TDD in the South East

TDD
Contract Job Locations in the South East

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the South East region over the 6 months to 28 May 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Thames Valley -49 57 £463 +2.78% 18
Hampshire -23 55 £475 +5.56% 16
Berkshire -33 30 £463 +2.78% 8
Buckinghamshire -16 20 £700 +55.56% 3
Surrey -34 18 £463 -5.13% 12
West Sussex -16 14 £488 +5.12% 4
Kent +2 12 £685 +44.21% 5
Oxfordshire -5 7 £325 -35.00% 7
East Sussex 0 4 £450 -5.26% 4
TDD
England

For the 6 months to 28 May 2020, IT contractor 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 contract job ads across the South East region with a requirement for TDD.

1 110 (68.32%) Agile Software Development
2 69 (42.86%) JavaScript
3 63 (39.13%) C#
4 59 (36.65%) Java
5 58 (36.02%) Scrum
6 57 (35.40%) Azure
7 55 (34.16%) BDD
8 50 (31.06%) DevOps
9 48 (29.81%) AngularJS
10 47 (29.19%) Test Automation
11 45 (27.95%) .NET
12 42 (26.09%) SQL
13 39 (24.22%) HTML
14 35 (21.74%) Microservices
15 34 (21.12%) Git (software)
15 34 (21.12%) Continuous Integration
16 33 (20.50%) CSS
16 33 (20.50%) Python
17 32 (19.88%) Software Engineering
18 29 (18.01%) RESTful
18 29 (18.01%) AWS
19 28 (17.39%) Unit Testing
20 27 (16.77%) React
21 26 (16.15%) MVC
22 25 (15.53%) Node.js
22 25 (15.53%) REST
23 24 (14.91%) SQL Server
24 23 (14.29%) ASP.NET Web API
25 22 (13.66%) Microsoft
25 22 (13.66%) Kanban

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 8 (4.97%) CMS
2 7 (4.35%) Elasticsearch
3 6 (3.73%) Confluence
3 6 (3.73%) SharePoint
4 3 (1.86%) Apache Spark
4 3 (1.86%) WordPress
5 2 (1.24%) Apache Solr
5 2 (1.24%) Drupal
5 2 (1.24%) IIS
5 2 (1.24%) SAS
5 2 (1.24%) Sitecore CMS
6 1 (0.62%) Apache
6 1 (0.62%) ArcGIS
6 1 (0.62%) EPiServer
6 1 (0.62%) Oracle Service Bus
6 1 (0.62%) Oracle SOA Suite
6 1 (0.62%) Oracle Spatial
6 1 (0.62%) Tomcat
Applications
1 1 (0.62%) Microsoft Office
Business Applications
1 3 (1.86%) Dynamics CRM
2 2 (1.24%) Magento
3 1 (0.62%) SAP S/4HANA
3 1 (0.62%) Shopify
Cloud Services
1 57 (35.40%) Azure
2 29 (18.01%) AWS
3 14 (8.70%) Serverless
4 8 (4.97%) Azure Active Directory
4 8 (4.97%) Logic Apps
4 8 (4.97%) PaaS
4 8 (4.97%) Power Platform
5 6 (3.73%) AWS Lambda
5 6 (3.73%) Azure Functions
6 5 (3.11%) GitHub
7 4 (2.48%) Amazon S3
7 4 (2.48%) Azure Data Factory
7 4 (2.48%) IaaS
8 3 (1.86%) AWS CloudFormation
8 3 (1.86%) GCP
8 3 (1.86%) OpenShift
9 2 (1.24%) Amazon EMR
9 2 (1.24%) Amazon SQS
9 2 (1.24%) Heroku
9 2 (1.24%) SaaS
Communications & Networking
1 3 (1.86%) DNS
1 3 (1.86%) HTTP
2 2 (1.24%) Internet
2 2 (1.24%) LAN
2 2 (1.24%) SSL
2 2 (1.24%) TCP/IP
3 1 (0.62%) 2G
3 1 (0.62%) 3G
3 1 (0.62%) 4G
3 1 (0.62%) AMQP
3 1 (0.62%) DSL
3 1 (0.62%) Firewall
3 1 (0.62%) FTP
3 1 (0.62%) H.323
3 1 (0.62%) Radio Access Network
3 1 (0.62%) RNC
3 1 (0.62%) SIGTRAN
3 1 (0.62%) Skype
3 1 (0.62%) WAN
Database & Business Intelligence
1 24 (14.91%) SQL Server
2 11 (6.83%) Azure SQL Database
3 8 (4.97%) Cosmos DB
3 8 (4.97%) MongoDB
4 7 (4.35%) Power BI
5 6 (3.73%) Big Data
5 6 (3.73%) Data Lake
6 5 (3.11%) NoSQL
6 5 (3.11%) PostgreSQL
6 5 (3.11%) SQL Server Integration Services
7 4 (2.48%) Data Warehouse
7 4 (2.48%) Microsoft Analysis Services
7 4 (2.48%) Relational Database
8 3 (1.86%) Amazon Athena
8 3 (1.86%) Azure SQL Data Warehouse
8 3 (1.86%) MySQL
9 2 (1.24%) Amazon DynamoDB
9 2 (1.24%) Hadoop
9 2 (1.24%) SQLite
9 2 (1.24%) Sqoop
Development Applications
1 34 (21.12%) Git (software)
2 19 (11.80%) Selenium
3 18 (11.18%) Jenkins
4 15 (9.32%) JIRA
5 11 (6.83%) Cucumber
6 10 (6.21%) NUnit
7 9 (5.59%) Team Foundation Server
7 9 (5.59%) Visual Studio Team System
8 8 (4.97%) JUnit
9 7 (4.35%) JMeter
9 7 (4.35%) Visual Studio
10 6 (3.73%) Atlassian Bamboo
10 6 (3.73%) Maven
10 6 (3.73%) SpecFlow
11 5 (3.11%) Android Studio
11 5 (3.11%) ReSharper
11 5 (3.11%) StyleCop
11 5 (3.11%) Subversion
12 4 (2.48%) Eclipse
12 4 (2.48%) IntelliJ
General
1 12 (7.45%) Finance
2 11 (6.83%) Banking
3 6 (3.73%) Public Sector
4 3 (1.86%) Telecoms
5 2 (1.24%) Automotive
5 2 (1.24%) Financial Institution
5 2 (1.24%) Local Government
5 2 (1.24%) Retail
6 1 (0.62%) Advertising
6 1 (0.62%) Electronics
6 1 (0.62%) German Language
6 1 (0.62%) Law
6 1 (0.62%) Manufacturing
6 1 (0.62%) Marketing
6 1 (0.62%) Publishing
Job Titles
1 124 (77.02%) Developer
2 28 (17.39%) .NET Developer
3 25 (15.53%) Java Developer
4 15 (9.32%) C# Developer
5 12 (7.45%) Full Stack Developer
6 11 (6.83%) React Developer
6 11 (6.83%) Software Developer
7 10 (6.21%) Azure Developer
7 10 (6.21%) C# .NET Developer
7 10 (6.21%) Senior Developer
8 9 (5.59%) Android Developer
8 9 (5.59%) Angular Developer
9 8 (4.97%) JavaScript Developer
9 8 (4.97%) Python Developer
10 7 (4.35%) Agile Developer
10 7 (4.35%) Scala Developer
11 6 (3.73%) ASP.NET Developer
11 6 (3.73%) AWS Developer
12 5 (3.11%) Technical Leader
12 5 (3.11%) Test Engineer
Libraries, Frameworks & Software Standards
1 48 (29.81%) AngularJS
2 45 (27.95%) .NET
3 39 (24.22%) HTML
4 33 (20.50%) CSS
5 29 (18.01%) RESTful
6 27 (16.77%) React
7 25 (15.53%) Node.js
7 25 (15.53%) REST
8 23 (14.29%) ASP.NET Web API
9 22 (13.66%) .NET Framework
10 21 (13.04%) Spring
11 20 (12.42%) Web Services
12 19 (11.80%) ASP.NET
13 18 (11.18%) Spring Boot
14 16 (9.94%) JSON
15 15 (9.32%) jQuery
16 13 (8.07%) HTML5
17 12 (7.45%) ASP.NET MVC
18 11 (6.83%) Entity Framework
18 11 (6.83%) XML
Miscellaneous
1 7 (4.35%) Analytical Skills
2 5 (3.11%) Greenfield Project
2 5 (3.11%) Mobile App
2 5 (3.11%) User Experience
3 4 (2.48%) Enterprise Software
3 4 (2.48%) Self-Motivation
4 3 (1.86%) Data Centre
4 3 (1.86%) Enterprise Cloud
4 3 (1.86%) Handset
4 3 (1.86%) Linux Command Line
5 2 (1.24%) Algorithms
6 1 (0.62%) AS400
6 1 (0.62%) Client/Server
6 1 (0.62%) Clustering
6 1 (0.62%) Digital TV
6 1 (0.62%) Mainframe
6 1 (0.62%) NHS
6 1 (0.62%) Public Cloud
6 1 (0.62%) Replication
6 1 (0.62%) Video Conferencing
Operating Systems
1 11 (6.83%) Windows
2 10 (6.21%) Android
3 9 (5.59%) Linux
4 5 (3.11%) Windows Server
5 4 (2.48%) Apple iOS
5 4 (2.48%) Unix
6 3 (1.86%) Mac OS X
7 1 (0.62%) HPUX
7 1 (0.62%) Solaris
7 1 (0.62%) zOS
Processes & Methodologies
1 110 (68.32%) Agile Software Development
2 58 (36.02%) Scrum
3 55 (34.16%) BDD
4 50 (31.06%) DevOps
5 47 (29.19%) Test Automation
6 35 (21.74%) Microservices
7 34 (21.12%) Continuous Integration
8 32 (19.88%) Software Engineering
9 28 (17.39%) Unit Testing
10 26 (16.15%) MVC
11 22 (13.66%) Kanban
12 18 (11.18%) User Stories
12 18 (11.18%) Web Development
13 16 (9.94%) API Development
13 16 (9.94%) Pair Programming
14 14 (8.70%) Continuous Delivery
14 14 (8.70%) UML
15 12 (7.45%) OOP
16 11 (6.83%) MVVM
16 11 (6.83%) OO
Programming Languages
1 69 (42.86%) JavaScript
2 63 (39.13%) C#
3 59 (36.65%) Java
4 42 (26.09%) SQL
5 33 (20.50%) Python
6 18 (11.18%) Java 8
7 17 (10.56%) T-SQL
8 15 (9.32%) Scala
9 14 (8.70%) TypeScript
10 10 (6.21%) PowerShell
10 10 (6.21%) Ruby
11 8 (4.97%) Go
11 8 (4.97%) PHP
12 6 (3.73%) C
12 6 (3.73%) PL/SQL
13 3 (1.86%) C++
13 3 (1.86%) Kotlin
13 3 (1.86%) R
13 3 (1.86%) Shell Script
14 2 (1.24%) ES6
Qualifications
1 11 (6.83%) Degree
2 9 (5.59%) Computer Science Degree
2 9 (5.59%) Security Cleared
3 7 (4.35%) SC Cleared
4 6 (3.73%) Microsoft Certification
5 5 (3.11%) MCSE
6 2 (1.24%) PMI Certification
7 1 (0.62%) CAPM
7 1 (0.62%) CCNA
7 1 (0.62%) CCNP
7 1 (0.62%) Cisco Certification
7 1 (0.62%) DV Cleared
7 1 (0.62%) ISTQB
7 1 (0.62%) Master's Degree
7 1 (0.62%) MCITP
7 1 (0.62%) PMP
Quality Assurance & Compliance
1 5 (3.11%) QA
2 2 (1.24%) PMO
System Software
1 11 (6.83%) Active Directory
1 11 (6.83%) Docker
2 2 (1.24%) HDFS
3 1 (0.62%) Apache Flume
3 1 (0.62%) Virtual Machines
Systems Management
1 9 (5.59%) Terraform
2 7 (4.35%) Ansible
2 7 (4.35%) Kubernetes
3 3 (1.86%) Docker Swarm
3 3 (1.86%) Kibana
3 3 (1.86%) MIIS
3 3 (1.86%) Opscode Chef
3 3 (1.86%) Puppet
4 1 (0.62%) Oracle Enterprise Manager
Vendors
1 22 (13.66%) Microsoft
2 12 (7.45%) Oracle
3 8 (4.97%) Databricks
4 7 (4.35%) IBM
5 5 (3.11%) Xamarin
6 4 (2.48%) Atlassian
7 3 (1.86%) Red Hat
7 3 (1.86%) Sitecore
8 2 (1.24%) hybris
8 2 (1.24%) SAP
8 2 (1.24%) Talend
9 1 (0.62%) CheckPoint
9 1 (0.62%) Ericsson
9 1 (0.62%) Google
9 1 (0.62%) Huawei
9 1 (0.62%) Nokia Networks
9 1 (0.62%) Salesforce.com
9 1 (0.62%) Splunk
9 1 (0.62%) Sun
9 1 (0.62%) WSO2