Period
to 23 November 2017

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 23 November 2017 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
23 Nov 2017
Same period 2016 Same period 2015
Rank 30 36 18
Rank change year-on-year +6 -18 -6
Contract jobs citing TDD 18 19 58
As % of all contract IT jobs advertised in Southampton 3.78% 3.70% 8.39%
As % of the Processes & Methodologies category 5.26% 5.09% 10.27%
Number of daily rates quoted 13 17 43
Southampton median daily rate £375 £450 £370
Median daily rate % change year-on-year -16.67% +21.62% -1.33%
10th Percentile £283 £289 £308
90th Percentile £406 £513 £402
Hampshire median daily rate £413 £425 £370
% change year-on-year -2.94% +14.86% -1.33%
Number of hourly rates quoted 0 0 0
Southampton median hourly rate - - -
Hampshire median hourly rate £40.00 - -

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 342 373 565
As % of all contract IT jobs advertised in Southampton 71.85% 72.71% 81.77%
Number of daily rates quoted 215 263 393
Southampton median daily rate £400 £400 £360
Median daily rate % change year-on-year - +11.11% -
10th Percentile £263 £217 £263
90th Percentile £575 £550 £525
Hampshire median daily rate £400 £400 £380
% change year-on-year - +5.26% +5.56%
Number of hourly rates quoted 13 28 40
Southampton median hourly rate £45.00 £14.25 £26.47
Median hourly rate % change year-on-year +215.79% -46.17% +16.35%
10th Percentile £17.50 £11.44 £12.98
90th Percentile £50.49 £35.93 £47.50
Hampshire median hourly rate £40.00 £38.75 £27.50
% change year-on-year +3.23% +40.91% +18.92%

TDD
Job Vacancy Trend in Southampton

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

Job vacancy trend for TDD in Southampton

TDD
Contractor Daily Rate Trend in Southampton

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing TDD in Southampton.

Contractor daily rate trend for TDD in Southampton

TDD
Contractor Daily Rate Histogram in Southampton

The daily rate distribution of IT jobs citing TDD in Southampton over the 6 months to 23 November 2017.

Contractor daily rate histogram for TDD in Southampton

For the 6 months to 23 November 2017, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Southampton region with a requirement for TDD.

1 14 (77.78%) BDD
2 13 (72.22%) Agile Software Development
3 12 (66.67%) C#
4 11 (61.11%) Test Automation
5 10 (55.56%) Scrum
5 10 (55.56%) Git (software)
6 8 (44.44%) .NET
7 7 (38.89%) Selenium
7 7 (38.89%) Performance Testing
7 7 (38.89%) Retail
7 7 (38.89%) SoapUI
8 6 (33.33%) SDLC
8 6 (33.33%) Software Testing
8 6 (33.33%) Continuous Integration
9 5 (27.78%) Java
9 5 (27.78%) Regression Testing
9 5 (27.78%) Windows
9 5 (27.78%) ASP.NET Web API
10 4 (22.22%) DevOps
10 4 (22.22%) Test Planning
10 4 (22.22%) Amazon AWS
10 4 (22.22%) REST
10 4 (22.22%) Exploratory Testing
10 4 (22.22%) Microsoft
10 4 (22.22%) ISEB
10 4 (22.22%) Back Office
10 4 (22.22%) JavaScript
10 4 (22.22%) SQL
10 4 (22.22%) T-SQL
10 4 (22.22%) Kanban

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 2 (11.11%) SharePoint
Business Applications
1 2 (11.11%) Dynamics CRM
Cloud Services
1 4 (22.22%) Amazon AWS
2 3 (16.67%) AWS Lambda
2 3 (16.67%) Cloud Computing
2 3 (16.67%) Serverless
3 2 (11.11%) Dynamics 365
4 1 (5.56%) Slack
Communications & Networking
1 2 (11.11%) SMS
Database & Business Intelligence
1 1 (5.56%) PostgreSQL
1 1 (5.56%) RDBMS
1 1 (5.56%) Relational Database
Development Applications
1 10 (55.56%) Git (software)
2 7 (38.89%) Selenium
2 7 (38.89%) SoapUI
3 3 (16.67%) Cucumber
3 3 (16.67%) Gatling
3 3 (16.67%) Jenkins
3 3 (16.67%) JMeter
3 3 (16.67%) LoadRunner
3 3 (16.67%) Maven
4 2 (11.11%) JIRA
4 2 (11.11%) Moq
4 2 (11.11%) NuGet
4 2 (11.11%) NUnit
5 1 (5.56%) Team Foundation Server
General
1 7 (38.89%) Retail
2 4 (22.22%) Back Office
Job Titles
1 10 (55.56%) Developer
2 7 (38.89%) .NET Developer
3 4 (22.22%) Test Engineer
4 3 (16.67%) Automation Tester
4 3 (16.67%) C# Developer
4 3 (16.67%) Tester
5 2 (11.11%) C# .NET Developer
5 2 (11.11%) Senior Developer
5 2 (11.11%) Software Developer
5 2 (11.11%) Software Test Engineer
6 1 (5.56%) Agile Test Manager
6 1 (5.56%) AWS Developer
6 1 (5.56%) C# Software Developer
6 1 (5.56%) F# Developer
6 1 (5.56%) Java Developer
6 1 (5.56%) Senior .NET Developer
6 1 (5.56%) Senior Software Developer
6 1 (5.56%) Test Manager
Libraries, Frameworks & Software Standards
1 8 (44.44%) .NET
2 5 (27.78%) ASP.NET Web API
3 4 (22.22%) REST
4 3 (16.67%) RESTful
5 2 (11.11%) .NET Framework
5 2 (11.11%) AngularJS
5 2 (11.11%) Entity Framework
5 2 (11.11%) Node.js
5 2 (11.11%) SOAP
5 2 (11.11%) Spring
5 2 (11.11%) WCF
6 1 (5.56%) ASP.NET
6 1 (5.56%) CSS
6 1 (5.56%) Hibernate
6 1 (5.56%) HTML
6 1 (5.56%) J2EE
6 1 (5.56%) JSON
6 1 (5.56%) Kafka
6 1 (5.56%) Web Services
6 1 (5.56%) XML
Miscellaneous
1 1 (5.56%) NHS
Operating Systems
1 5 (27.78%) Windows
Processes & Methodologies
1 14 (77.78%) BDD
2 13 (72.22%) Agile Software Development
3 11 (61.11%) Test Automation
4 10 (55.56%) Scrum
5 7 (38.89%) Performance Testing
6 6 (33.33%) Continuous Integration
6 6 (33.33%) SDLC
6 6 (33.33%) Software Testing
7 5 (27.78%) Regression Testing
8 4 (22.22%) DevOps
8 4 (22.22%) Exploratory Testing
8 4 (22.22%) Kanban
8 4 (22.22%) Test Planning
8 4 (22.22%) Test Scripting
9 3 (16.67%) API Testing
9 3 (16.67%) Migration
9 3 (16.67%) Penetration Testing
9 3 (16.67%) SOLID
10 2 (11.11%) Data Integration
10 2 (11.11%) Software Engineering
Programming Languages
1 12 (66.67%) C#
2 5 (27.78%) Java
3 4 (22.22%) JavaScript
3 4 (22.22%) SQL
3 4 (22.22%) T-SQL
4 3 (16.67%) Groovy
5 2 (11.11%) TypeScript
6 1 (5.56%) F#
Qualifications
1 4 (22.22%) ISEB
System Software
1 1 (5.56%) Docker
Systems Management
1 1 (5.56%) Terraform
Vendors
1 4 (22.22%) Microsoft