Period
to 17 January 2018

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 January 2018 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 Jan 2018
Same period 2017 Same period 2016
Rank 12 15 30
Rank change year-on-year +3 +15 +19
Contract jobs citing TDD 32 19 9
As % of all contract IT jobs advertised in Luton 10.77% 7.36% 3.10%
As % of the Processes & Methodologies category 11.99% 8.48% 3.54%
Number of daily rates quoted 29 8 9
Luton median daily rate £450 £478 £575
Median daily rate % change year-on-year -5.76% -16.96% +27.78%
10th Percentile £400 £463 £513
90th Percentile £478 £511 £615
Bedfordshire median daily rate £450 £478 £575
% change year-on-year -5.76% -16.96% +27.78%
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 267 224 254
As % of all contract IT jobs advertised in Luton 89.90% 86.82% 87.59%
Number of daily rates quoted 205 140 184
Luton median daily rate £450 £438 £425
Median daily rate % change year-on-year +2.86% +2.94% -
10th Percentile £321 £308 £275
90th Percentile £625 £631 £611
Bedfordshire median daily rate £450 £425 £425
% change year-on-year +5.88% - -
Number of hourly rates quoted 2 6 32
Luton median hourly rate £50.22 £14.00 £34.50
Median hourly rate % change year-on-year +258.68% -59.42% +6.15%
10th Percentile £49.02 £11.25 £10.00
90th Percentile £50.75 £14.00 £50.68
Bedfordshire median hourly rate £15.50 £14.00 £37.50
% change year-on-year +10.71% -62.67% +114.29%

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 January 2018.

Contractor daily rate histogram for TDD in Luton

For the 6 months to 17 January 2018, 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 32 (100.00%) C#
1 32 (100.00%) Agile Software Development
2 24 (75.00%) TeamCity
3 23 (71.88%) Continuous Integration
4 22 (68.75%) E-Commerce
5 18 (56.25%) Software Delivery
6 16 (50.00%) Git (software)
7 15 (46.88%) Web Services
7 15 (46.88%) BDD
8 14 (43.75%) REST
8 14 (43.75%) SOAP
8 14 (43.75%) WCF
9 12 (37.50%) Continuous Delivery
10 10 (31.25%) Defect Management
10 10 (31.25%) SoapUI
10 10 (31.25%) SpecFlow
10 10 (31.25%) ATDD
10 10 (31.25%) Jenkins
10 10 (31.25%) Retail
10 10 (31.25%) Python
10 10 (31.25%) Middleware
10 10 (31.25%) Ant
10 10 (31.25%) JUnit
10 10 (31.25%) Java
10 10 (31.25%) Perl
10 10 (31.25%) Atlassian
10 10 (31.25%) Maven
10 10 (31.25%) Ruby
10 10 (31.25%) JIRA
10 10 (31.25%) QA

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 10 (31.25%) Confluence
Cloud Services
1 2 (6.25%) Amazon AWS
1 2 (6.25%) Google Cloud Platform
1 2 (6.25%) Microsoft Azure
Database & Business Intelligence
1 2 (6.25%) Relational Database
1 2 (6.25%) SQL Server
Development Applications
1 24 (75.00%) TeamCity
2 16 (50.00%) Git (software)
3 10 (31.25%) Ant
3 10 (31.25%) Atlassian Bamboo
3 10 (31.25%) Cucumber
3 10 (31.25%) JBehave
3 10 (31.25%) Jenkins
3 10 (31.25%) JIRA
3 10 (31.25%) JUnit
3 10 (31.25%) Maven
3 10 (31.25%) Selenium
3 10 (31.25%) SoapUI
3 10 (31.25%) SpecFlow
3 10 (31.25%) TestNG
3 10 (31.25%) WebDriver
4 2 (6.25%) Subversion
4 2 (6.25%) Team Foundation Server
General
1 10 (31.25%) Retail
Job Titles
1 29 (90.63%) Developer
2 13 (40.63%) C# Developer
3 8 (25.00%) Senior Developer
4 7 (21.88%) Developer in Test
4 7 (21.88%) Software Developer
5 5 (15.63%) Senior Software Developer
6 4 (12.50%) .NET Developer
6 4 (12.50%) Test Engineer
7 3 (9.38%) C# .NET Developer
7 3 (9.38%) C# Developer - E-Commerce
7 3 (9.38%) Development Engineer
7 3 (9.38%) E-Commerce Developer
7 3 (9.38%) Software Test Engineer
7 3 (9.38%) Test Development Engineer
8 2 (6.25%) Senior .NET Developer
8 2 (6.25%) Senior C# .NET Developer
8 2 (6.25%) Senior C# Developer
8 2 (6.25%) Software Development Engineer
8 2 (6.25%) Software Engineer
8 2 (6.25%) Test Automation Developer
Libraries, Frameworks & Software Standards
1 15 (46.88%) Web Services
2 14 (43.75%) REST
2 14 (43.75%) SOAP
2 14 (43.75%) WCF
3 10 (31.25%) Middleware
4 7 (21.88%) .NET
5 3 (9.38%) ASP.NET Web API
6 2 (6.25%) .NET Framework
6 2 (6.25%) Entity Framework
6 2 (6.25%) LINQ
6 2 (6.25%) Unity DI Container
Miscellaneous
1 8 (25.00%) RIA
2 2 (6.25%) Analytical Skills
2 2 (6.25%) N-Tier
Processes & Methodologies
1 32 (100.00%) Agile Software Development
2 23 (71.88%) Continuous Integration
3 22 (68.75%) E-Commerce
4 18 (56.25%) Software Delivery
5 15 (46.88%) BDD
6 12 (37.50%) Continuous Delivery
7 10 (31.25%) ATDD
7 10 (31.25%) Defect Management
7 10 (31.25%) Feature Driven Development
7 10 (31.25%) Test Automation
8 9 (28.13%) SDET
9 4 (12.50%) User Acceptance Testing
10 3 (9.38%) SOA
11 2 (6.25%) Dependency Injection
11 2 (6.25%) Domain-Driven Design
11 2 (6.25%) Multithreading
11 2 (6.25%) OO
11 2 (6.25%) OOD
11 2 (6.25%) Service Delivery
12 1 (3.13%) Microservices
Programming Languages
1 32 (100.00%) C#
2 10 (31.25%) Java
2 10 (31.25%) Perl
2 10 (31.25%) Python
2 10 (31.25%) Ruby
3 1 (3.13%) C++
Quality Assurance & Compliance
1 10 (31.25%) QA
Vendors
1 10 (31.25%) Atlassian
2 2 (6.25%) Google