Period
to 22 October 2020

The following table provides summary statistics for contract job vacancies advertised in Southampton 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 22 October 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)
Hampshire > Southampton
6 months to
22 Oct 2020
Same period 2019 Same period 2018
Rank 21 23 3
Rank change year-on-year +2 -20 +24
Contract jobs citing TDD 13 36 101
As % of all contract jobs advertised in Southampton 6.37% 6.49% 18.74%
As % of the Processes & Methodologies category 7.47% 7.84% 21.58%
Number of daily rates quoted 7 18 94
Median daily rate £425 £463 £513
Median daily rate % change year-on-year -8.11% -9.76% +46.43%
10th Percentile £363 £368 £450
90th Percentile £438 £519 £538
Hampshire median daily rate £463 £475 £500
% change year-on-year -2.63% -5.00% +20.48%
Number of hourly rates quoted 0 0 2
Median hourly rate - - £41.50
Hampshire median hourly rate - - £41.50

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 Southampton with a requirement for process or methodology skills.

All Process and Methodology Skills
Southampton
Contract vacancies with a requirement for process or methodology skills 174 459 468
As % of all contract IT jobs advertised in Southampton 85.29% 82.70% 86.83%
Number of daily rates quoted 100 298 325
Median daily rate £453 £450 £450
Median daily rate % change year-on-year +0.56% - +12.50%
10th Percentile £195 £313 £307
90th Percentile £623 £638 £574
Hampshire median daily rate £475 £438 £425
% change year-on-year +8.57% +2.94% +6.25%
Number of hourly rates quoted 16 16 17
Median hourly rate £25.00 £22.25 £15.86
Median hourly rate % change year-on-year +12.36% +40.29% -20.70%
10th Percentile £12.77 £13.67 £10.70
90th Percentile £40.46 £53.75 £47.79
Median hourly rate £31.61 £35.00 £35.00
% change year-on-year -9.69% - -12.50%

TDD
Job Vacancy Trend in Southampton

Job postings citing TDD as a proportion of all IT jobs advertised in Southampton.

Job vacancy trend for TDD in Southampton

TDD
Contractor Daily Rate Trend in Southampton

3-month moving average daily rate quoted in jobs citing TDD in Southampton.

Daily rate trend for TDD in Southampton

TDD
Contractor Hourly Rate Trend in Southampton

3-month moving average hourly rates quoted in jobs citing TDD in Southampton.

Hourly rate trend for TDD in Southampton

For the 6 months to 22 October 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 Southampton region with a requirement for TDD.

1 11 (84.62%) Agile Software Development
2 10 (76.92%) JavaScript
3 8 (61.54%) C#
3 8 (61.54%) .NET
4 7 (53.85%) Azure
5 6 (46.15%) Git (software)
5 6 (46.15%) BDD
5 6 (46.15%) AngularJS
5 6 (46.15%) HTML
5 6 (46.15%) CSS
5 6 (46.15%) React
6 4 (30.77%) .NET Core
6 4 (30.77%) Iteration Planning
6 4 (30.77%) Continuous Integration
7 3 (23.08%) Team Foundation Server
7 3 (23.08%) Unit Testing
7 3 (23.08%) ASP.NET Web Forms
7 3 (23.08%) DevOps
7 3 (23.08%) MVC
7 3 (23.08%) ASP.NET
7 3 (23.08%) Software Engineering
7 3 (23.08%) Continuous Deployment
7 3 (23.08%) SDLC
8 2 (15.38%) Fintech
8 2 (15.38%) Greenfield Project
8 2 (15.38%) Problem-Solving
8 2 (15.38%) Cucumber
8 2 (15.38%) Robotic Process Automation
8 2 (15.38%) DBS Check
8 2 (15.38%) Blazor

TDD
Co-occurring IT Skills in Southampton 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 1 (7.69%) WebLogic
Cloud Services
1 7 (53.85%) Azure
2 2 (15.38%) AWS
3 1 (7.69%) Firebase
3 1 (7.69%) GitHub
Database & Business Intelligence
1 2 (15.38%) SQL Server
2 1 (7.69%) Oracle Database
2 1 (7.69%) Relational Database
Development Applications
1 6 (46.15%) Git (software)
2 3 (23.08%) Team Foundation Server
3 2 (15.38%) Cucumber
3 2 (15.38%) Selenium
4 1 (7.69%) Android Studio
4 1 (7.69%) Ant
4 1 (7.69%) Eclipse
4 1 (7.69%) git-flow
4 1 (7.69%) GitLab
4 1 (7.69%) Jenkins
4 1 (7.69%) JIRA
4 1 (7.69%) JMeter
4 1 (7.69%) Maven
4 1 (7.69%) SpecFlow
4 1 (7.69%) TeamCity
4 1 (7.69%) Toad
Job Titles
1 10 (76.92%) Developer
2 8 (61.54%) Software Developer
3 2 (15.38%) .NET Developer
3 2 (15.38%) Senior .NET Developer
3 2 (15.38%) Senior Developer
3 2 (15.38%) Software Engineer
3 2 (15.38%) Xamarin Developer
4 1 (7.69%) Angular Developer
4 1 (7.69%) JavaScript Engineer
Libraries, Frameworks & Software Standards
1 8 (61.54%) .NET
2 6 (46.15%) AngularJS
2 6 (46.15%) CSS
2 6 (46.15%) HTML
2 6 (46.15%) React
3 4 (30.77%) .NET Core
4 3 (23.08%) ASP.NET
4 3 (23.08%) ASP.NET Web Forms
5 2 (15.38%) Blazor
6 1 (7.69%) ASP.NET Web API
6 1 (7.69%) JSF
6 1 (7.69%) Leaflet
6 1 (7.69%) OpenLayers
6 1 (7.69%) PrimeFaces
6 1 (7.69%) Redux
6 1 (7.69%) RxJS
6 1 (7.69%) SAML
6 1 (7.69%) Spring Boot
6 1 (7.69%) WCF
6 1 (7.69%) Web Services
Miscellaneous
1 2 (15.38%) Greenfield Project
1 2 (15.38%) Robotics
Operating Systems
1 1 (7.69%) Android
Processes & Methodologies
1 11 (84.62%) Agile Software Development
2 6 (46.15%) BDD
3 4 (30.77%) Continuous Integration
3 4 (30.77%) Iteration Planning
4 3 (23.08%) Continuous Deployment
4 3 (23.08%) DevOps
4 3 (23.08%) MVC
4 3 (23.08%) SDLC
4 3 (23.08%) Software Engineering
4 3 (23.08%) Unit Testing
5 2 (15.38%) Artificial Intelligence
5 2 (15.38%) CRM
5 2 (15.38%) Fintech
5 2 (15.38%) Problem-Solving
5 2 (15.38%) Robotic Process Automation
5 2 (15.38%) Test Automation
6 1 (7.69%) ETL
6 1 (7.69%) OO
6 1 (7.69%) OOD
6 1 (7.69%) Test Scripting
Programming Languages
1 10 (76.92%) JavaScript
2 8 (61.54%) C#
3 2 (15.38%) Java
4 1 (7.69%) Kotlin
4 1 (7.69%) Python
4 1 (7.69%) SQL
4 1 (7.69%) TypeScript
Qualifications
1 2 (15.38%) DBS Check
Quality Assurance & Compliance
1 1 (7.69%) QA
System Software
1 1 (7.69%) Docker
Vendors
1 2 (15.38%) Microsoft
1 2 (15.38%) Xamarin
2 1 (7.69%) Google
2 1 (7.69%) Oracle
2 1 (7.69%) Talend