Period
to 18 July 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 18 July 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
18 Jul 2018
Same period 2017 Same period 2016
Rank 27 19 26
Rank change year-on-year -8 +7 +14
Contract jobs citing TDD 13 21 17
As % of all contract IT jobs advertised in Luton 4.38% 7.47% 5.21%
As % of the Processes & Methodologies category 4.83% 7.95% 5.92%
Number of daily rates quoted 12 17 9
Luton median daily rate £475 £350 £485
Median daily rate % change year-on-year +35.71% -27.84% -15.65%
10th Percentile £425 £281 £458
90th Percentile £550 £496 £625
Bedfordshire median daily rate £488 £330 £485
% change year-on-year +47.73% -31.96% -15.65%
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 269 264 287
As % of all contract IT jobs advertised in Luton 90.57% 93.95% 88.04%
Number of daily rates quoted 213 189 196
Luton median daily rate £470 £450 £475
Median daily rate % change year-on-year +4.44% -5.26% +5.56%
10th Percentile £293 £275 £304
90th Percentile £588 £600 £606
Bedfordshire median daily rate £450 £438 £450
% change year-on-year +2.86% -2.78% +5.88%
Number of hourly rates quoted 7 1 9
Luton median hourly rate £22.50 £14.00 £50.39
Median hourly rate % change year-on-year +60.71% -72.22% +303.12%
10th Percentile £14.58 £14.00 £27.80
90th Percentile £69.00 £14.00 £50.78
Bedfordshire median hourly rate £17.00 £18.00 £46.29
% change year-on-year -5.56% -61.11% +105.71%

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 18 July 2018.

Contractor daily rate histogram for TDD in Luton

For the 6 months to 18 July 2018, 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 Luton region with a requirement for TDD.

1 12 (92.31%) C#
2 11 (84.62%) Agile Software Development
3 10 (76.92%) TeamCity
3 10 (76.92%) BDD
4 6 (46.15%) SoapUI
4 6 (46.15%) JBehave
4 6 (46.15%) Test Automation
4 6 (46.15%) Selenium
4 6 (46.15%) Atlassian Bamboo
4 6 (46.15%) Continuous Integration
4 6 (46.15%) SpecFlow
4 6 (46.15%) Jenkins
4 6 (46.15%) Cucumber
4 6 (46.15%) SDET
5 5 (38.46%) Microsoft Azure
5 5 (38.46%) .NET
6 4 (30.77%) SQL Server
6 4 (30.77%) Visual Studio
6 4 (30.77%) MVC
6 4 (30.77%) Amazon AWS
6 4 (30.77%) Git (software)
6 4 (30.77%) Google
6 4 (30.77%) DevOps
7 3 (23.08%) Kibana
7 3 (23.08%) Mentoring
7 3 (23.08%) Microservices
7 3 (23.08%) Feature Driven Development
7 3 (23.08%) Elasticsearch
7 3 (23.08%) ASP.NET Web API
7 3 (23.08%) Octopus Deploy

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 3 (23.08%) Elasticsearch
2 1 (7.69%) Apache Spark
2 1 (7.69%) CMS
2 1 (7.69%) Confluence
2 1 (7.69%) EPiServer
Cloud Services
1 5 (38.46%) Microsoft Azure
2 4 (30.77%) Amazon AWS
3 1 (7.69%) Google Cloud Platform
Database & Business Intelligence
1 4 (30.77%) SQL Server
2 1 (7.69%) Big Data
2 1 (7.69%) Hadoop
Development Applications
1 10 (76.92%) TeamCity
2 6 (46.15%) Atlassian Bamboo
2 6 (46.15%) Cucumber
2 6 (46.15%) JBehave
2 6 (46.15%) Jenkins
2 6 (46.15%) Selenium
2 6 (46.15%) SoapUI
2 6 (46.15%) SpecFlow
3 4 (30.77%) Git (software)
3 4 (30.77%) Visual Studio
4 3 (23.08%) JUnit
4 3 (23.08%) Octopus Deploy
4 3 (23.08%) TestNG
5 2 (15.38%) JIRA
5 2 (15.38%) WebDriver
6 1 (7.69%) Ant
6 1 (7.69%) Maven
General
1 1 (7.69%) Marketing
1 1 (7.69%) Retail
Job Titles
1 7 (53.85%) Developer
2 4 (30.77%) .NET Developer
2 4 (30.77%) Senior Developer
3 3 (23.08%) Senior .NET Developer
4 2 (15.38%) C# Developer
4 2 (15.38%) Integration Developer
5 1 (7.69%) C# .NET Developer
5 1 (7.69%) Developer in Test
5 1 (7.69%) Development Engineer
5 1 (7.69%) EPiServer Developer
5 1 (7.69%) Head of Analytics
5 1 (7.69%) Head of Big Data
5 1 (7.69%) Head of Development
5 1 (7.69%) JavaScript Developer
5 1 (7.69%) Senior Software Developer
5 1 (7.69%) Software Developer
5 1 (7.69%) Software Development Engineer
5 1 (7.69%) Software Test Engineer
5 1 (7.69%) Test Development Engineer
5 1 (7.69%) Test Engineer
Libraries, Frameworks & Software Standards
1 5 (38.46%) .NET
2 3 (23.08%) .NET Core
2 3 (23.08%) ASP.NET
2 3 (23.08%) ASP.NET MVC
2 3 (23.08%) ASP.NET Web API
2 3 (23.08%) LINQ
2 3 (23.08%) Swagger
3 2 (15.38%) Web Services
4 1 (7.69%) .NET Framework
4 1 (7.69%) AngularJS
4 1 (7.69%) CSS
4 1 (7.69%) CSS3
4 1 (7.69%) HTML
4 1 (7.69%) Middleware
4 1 (7.69%) React
4 1 (7.69%) REST
4 1 (7.69%) SOAP
4 1 (7.69%) WCF
Miscellaneous
1 1 (7.69%) RIA
Operating Systems
1 1 (7.69%) Linux
Processes & Methodologies
1 11 (84.62%) Agile Software Development
2 10 (76.92%) BDD
3 6 (46.15%) Continuous Integration
3 6 (46.15%) SDET
3 6 (46.15%) Test Automation
4 4 (30.77%) DevOps
4 4 (30.77%) MVC
5 3 (23.08%) ATDD
5 3 (23.08%) Build Automation
5 3 (23.08%) CQRS
5 3 (23.08%) Dependency Injection
5 3 (23.08%) Feature Driven Development
5 3 (23.08%) Mentoring
5 3 (23.08%) Microservices
5 3 (23.08%) Stakeholder Management
6 2 (15.38%) Continuous Delivery
6 2 (15.38%) Defect Management
6 2 (15.38%) E-Commerce
7 1 (7.69%) Project Management
7 1 (7.69%) Scrum
Programming Languages
1 12 (92.31%) C#
2 3 (23.08%) Java
2 3 (23.08%) Perl
2 3 (23.08%) Python
2 3 (23.08%) Ruby
2 3 (23.08%) SQL
3 2 (15.38%) JavaScript
3 2 (15.38%) PowerShell
Quality Assurance & Compliance
1 3 (23.08%) QA
Systems Management
1 3 (23.08%) Kibana
Vendors
1 4 (30.77%) Google
2 1 (7.69%) Atlassian