Period
to 17 November 2017

The following table provides summary statistics for contract job vacancies advertised in Luton 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 17 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)
Bedfordshire > Luton
6 months to
17 Nov 2017
Same period 2016 Same period 2015
Rank 22 17 30
Rank change year-on-year -5 +13 -3
Contract jobs citing TDD 21 20 10
As % of all contract IT jobs advertised in Luton 6.42% 6.87% 3.33%
As % of the Processes & Methodologies category 7.02% 8.00% 3.92%
Number of daily rates quoted 21 8 10
Luton median daily rate £450 £485 £575
Median daily rate % change year-on-year -7.22% -15.65% +43.75%
10th Percentile £350 £475 £513
90th Percentile £488 £511 £611
Bedfordshire median daily rate £450 £485 £575
% change year-on-year -7.22% -15.65% +43.75%
Number of hourly rates quoted 0 0 0
Luton median hourly rate - - -
Bedfordshire median hourly rate - - -

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 Luton with a requirement for process or methodology skills.

All Process and Methodology Skills
Luton
Contract vacancies with a requirement for process or methodology skills 299 250 255
As % of all contract IT jobs advertised in Luton 91.44% 85.91% 85.00%
Number of daily rates quoted 219 160 183
Luton median daily rate £463 £438 £425
Median daily rate % change year-on-year +5.71% +2.94% -
10th Percentile £325 £307 £275
90th Percentile £625 £600 £606
Bedfordshire median daily rate £450 £425 £400
% change year-on-year +5.88% +6.25% -5.88%
Number of hourly rates quoted 2 5 21
Luton median hourly rate £50.22 £14.00 £30.00
Median hourly rate % change year-on-year +258.68% -53.33% -14.29%
10th Percentile £49.02 £12.50 £12.00
90th Percentile £50.75 £45.67 £50.68
Bedfordshire median hourly rate £22.50 £14.00 £37.50
% change year-on-year +60.71% -62.67% +117.39%

TDD
Job Vacancy Trend in Luton

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

Job vacancy trend for TDD in Luton

TDD
Contractor Daily Rate Trend in Luton

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

Contractor daily rate trend for TDD in Luton

TDD
Contractor Daily Rate Histogram in Luton

The daily rate distribution of IT jobs citing TDD in Luton over the 6 months to 17 November 2017.

Contractor daily rate histogram for TDD in Luton

For the 6 months to 17 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 Luton region with a requirement for TDD.

1 21 (100.00%) Agile Software Development
2 19 (90.48%) C#
3 15 (71.43%) E-Commerce
4 11 (52.38%) Continuous Integration
4 11 (52.38%) TeamCity
5 10 (47.62%) Git (software)
6 9 (42.86%) Software Delivery
7 8 (38.10%) Continuous Delivery
7 8 (38.10%) BDD
8 6 (28.57%) .NET
8 6 (28.57%) SOAP
8 6 (28.57%) Web Services
8 6 (28.57%) Retail
8 6 (28.57%) WCF
8 6 (28.57%) REST
9 5 (23.81%) Jenkins
9 5 (23.81%) TestNG
9 5 (23.81%) Cucumber
9 5 (23.81%) SoapUI
9 5 (23.81%) SpecFlow
9 5 (23.81%) ATDD
9 5 (23.81%) JBehave
9 5 (23.81%) WebDriver
9 5 (23.81%) Confluence
9 5 (23.81%) Feature Driven Development
9 5 (23.81%) Test Automation
9 5 (23.81%) Defect Management
9 5 (23.81%) SDET
9 5 (23.81%) Selenium
9 5 (23.81%) JIRA

TDD
Co-occurring IT Skills in Luton 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 5 (23.81%) Confluence
2 1 (4.76%) Apache
Cloud Services
1 3 (14.29%) Amazon AWS
1 3 (14.29%) Google Cloud Platform
1 3 (14.29%) Microsoft Azure
Communications & Networking
1 1 (4.76%) HTTP
Database & Business Intelligence
1 3 (14.29%) Relational Database
1 3 (14.29%) SQL Server
Development Applications
1 11 (52.38%) TeamCity
2 10 (47.62%) Git (software)
3 5 (23.81%) Ant
3 5 (23.81%) Atlassian Bamboo
3 5 (23.81%) Cucumber
3 5 (23.81%) JBehave
3 5 (23.81%) Jenkins
3 5 (23.81%) JIRA
3 5 (23.81%) JUnit
3 5 (23.81%) Maven
3 5 (23.81%) Selenium
3 5 (23.81%) SoapUI
3 5 (23.81%) SpecFlow
3 5 (23.81%) TestNG
3 5 (23.81%) WebDriver
4 4 (19.05%) Subversion
5 3 (14.29%) Team Foundation Server
General
1 6 (28.57%) Retail
Job Titles
1 19 (90.48%) Developer
2 8 (38.10%) C# Developer
3 7 (33.33%) Senior Developer
4 4 (19.05%) .NET Developer
4 4 (19.05%) C# .NET Developer
5 3 (14.29%) C# Developer - E-Commerce
5 3 (14.29%) Developer in Test
5 3 (14.29%) E-Commerce Developer
5 3 (14.29%) Senior .NET Developer
5 3 (14.29%) Senior C# .NET Developer
5 3 (14.29%) Senior C# Developer
5 3 (14.29%) Software Developer
5 3 (14.29%) Software Test Engineer
5 3 (14.29%) Test Engineer
6 2 (9.52%) Designer
6 2 (9.52%) Senior Designer
6 2 (9.52%) Senior Software Developer
6 2 (9.52%) Software Engineer
6 2 (9.52%) Test Development Engineer
6 2 (9.52%) UI Developer
Libraries, Frameworks & Software Standards
1 6 (28.57%) .NET
1 6 (28.57%) REST
1 6 (28.57%) SOAP
1 6 (28.57%) WCF
1 6 (28.57%) Web Services
2 5 (23.81%) Middleware
3 4 (19.05%) ASP.NET Web API
4 3 (14.29%) .NET Framework
4 3 (14.29%) Entity Framework
4 3 (14.29%) LINQ
4 3 (14.29%) Unity DI Container
5 2 (9.52%) Ajax
5 2 (9.52%) CSS
5 2 (9.52%) CSS3
5 2 (9.52%) HTML
5 2 (9.52%) HTML5
5 2 (9.52%) jQuery
6 1 (4.76%) J2EE
6 1 (4.76%) JSP
6 1 (4.76%) XML
Miscellaneous
1 5 (23.81%) RIA
2 3 (14.29%) N-Tier
3 1 (4.76%) Analytical Skills
3 1 (4.76%) Animation
Processes & Methodologies
1 21 (100.00%) Agile Software Development
2 15 (71.43%) E-Commerce
3 11 (52.38%) Continuous Integration
4 9 (42.86%) Software Delivery
5 8 (38.10%) BDD
5 8 (38.10%) Continuous Delivery
6 5 (23.81%) ATDD
6 5 (23.81%) Defect Management
6 5 (23.81%) Feature Driven Development
6 5 (23.81%) SDET
6 5 (23.81%) SOA
6 5 (23.81%) Test Automation
7 3 (14.29%) Dependency Injection
7 3 (14.29%) Domain-Driven Design
7 3 (14.29%) Multithreading
7 3 (14.29%) OO
7 3 (14.29%) OOD
8 2 (9.52%) Microservices
8 2 (9.52%) Software Engineering
8 2 (9.52%) User Stories
Programming Languages
1 19 (90.48%) C#
2 5 (23.81%) Java
2 5 (23.81%) Perl
2 5 (23.81%) Python
2 5 (23.81%) Ruby
3 2 (9.52%) C++
3 2 (9.52%) JavaScript
Quality Assurance & Compliance
1 5 (23.81%) QA
Vendors
1 5 (23.81%) Atlassian
2 3 (14.29%) Google