Period
to 24 November 2017

The following table provides summary statistics for contract job vacancies advertised in Warwickshire 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 24 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)
West Midlands > Warwickshire
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 49 58 37
Rank change year-on-year +9 -21 +10
Contract jobs citing TDD 10 4 19
As % of all contract IT jobs advertised in Warwickshire 1.63% 0.47% 2.78%
As % of the Processes & Methodologies category 1.93% 0.61% 3.63%
Number of daily rates quoted 3 1 17
Warwickshire median daily rate £375 £325 £400
Median daily rate % change year-on-year +15.38% -18.75% +14.29%
10th Percentile £333 £313 £313
90th Percentile £388 £338 £600
West Midlands median daily rate £400 £400 £375
% change year-on-year -0.06% +6.73% -
Number of hourly rates quoted 2 0 0
Warwickshire median hourly rate £33.00 - -
West Midlands median hourly rate £33.00 - -

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 Warwickshire with a requirement for process or methodology skills.

All Process and Methodology Skills
Warwickshire
Contract vacancies with a requirement for process or methodology skills 518 656 524
As % of all contract IT jobs advertised in Warwickshire 84.36% 76.55% 76.61%
Number of daily rates quoted 289 424 277
Warwickshire median daily rate £400 £388 £350
Median daily rate % change year-on-year +3.23% +10.71% -3.45%
10th Percentile £230 £249 £225
90th Percentile £560 £575 £542
West Midlands median daily rate £400 £400 £375
% change year-on-year - +6.67% +4.17%
Number of hourly rates quoted 42 37 46
Warwickshire median hourly rate £30.50 £24.00 £27.64
Median hourly rate % change year-on-year +27.08% -13.15% +53.53%
10th Percentile £17.60 £13.85 £15.75
90th Percentile £34.50 £41.08 £33.88
West Midlands median hourly rate £25.00 £18.00 £20.00
% change year-on-year +38.89% -10.00% -

TDD
Job Vacancy Trend in Warwickshire

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

Job vacancy trend for TDD in Warwickshire

TDD
Contractor Daily Rate Trend in Warwickshire

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

Contractor daily rate trend for TDD in Warwickshire

TDD
Contract Job Locations in Warwickshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Warwickshire region over the 6 months to 24 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Warwick +21 6 £350 +7.69%
Leamington Spa -2 2 £375 -
TDD
West Midlands

For the 6 months to 24 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 Warwickshire region with a requirement for TDD.

1 10 (100.00%) Agile Software Development
2 9 (90.00%) Java
3 7 (70.00%) Software Engineering
3 7 (70.00%) Degree
3 7 (70.00%) Hibernate
3 7 (70.00%) Scrum
3 7 (70.00%) Mathematics
3 7 (70.00%) Apple iOS
4 6 (60.00%) Big Data
4 6 (60.00%) Analytics
4 6 (60.00%) Android
4 6 (60.00%) RESTful
4 6 (60.00%) Hadoop
4 6 (60.00%) Apache Cassandra
4 6 (60.00%) SOA
4 6 (60.00%) Apache Spark
5 5 (50.00%) Docker
5 5 (50.00%) WildFly
5 5 (50.00%) Software Delivery
5 5 (50.00%) Spring Boot
5 5 (50.00%) WireMock
5 5 (50.00%) Personalization
5 5 (50.00%) JBoss
5 5 (50.00%) DSDM
5 5 (50.00%) JMS
5 5 (50.00%) SQL
5 5 (50.00%) MySQL
5 5 (50.00%) Oracle
5 5 (50.00%) JUnit
5 5 (50.00%) PostgreSQL

TDD
Co-occurring IT Skills in Warwickshire 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 6 (60.00%) Apache Spark
2 5 (50.00%) GlassFish
2 5 (50.00%) JBoss
2 5 (50.00%) Oracle SOA Suite
2 5 (50.00%) WildFly
Communications & Networking
1 2 (20.00%) Bluetooth
1 2 (20.00%) HTTP
1 2 (20.00%) SSL
1 2 (20.00%) Wi-Fi
Database & Business Intelligence
1 6 (60.00%) Apache Cassandra
1 6 (60.00%) Big Data
1 6 (60.00%) Hadoop
2 5 (50.00%) MongoDB
2 5 (50.00%) MySQL
2 5 (50.00%) NoSQL
2 5 (50.00%) PostgreSQL
Development Applications
1 5 (50.00%) Hudson
1 5 (50.00%) JBehave
1 5 (50.00%) Jenkins
1 5 (50.00%) JUnit
2 2 (20.00%) Selenium
3 1 (10.00%) Android Studio
3 1 (10.00%) CocoaPods
3 1 (10.00%) Gradle
General
1 2 (20.00%) Automotive
Job Titles
1 9 (90.00%) Developer
2 6 (60.00%) Digital Developer
2 6 (60.00%) Senior Developer
3 2 (20.00%) Java Developer
4 1 (10.00%) Android Engineer
4 1 (10.00%) Android Software Engineer
4 1 (10.00%) Applications Developer
4 1 (10.00%) Applications Engineer
4 1 (10.00%) iOS Developer
4 1 (10.00%) Software Engineer
Libraries, Frameworks & Software Standards
1 7 (70.00%) Hibernate
2 6 (60.00%) RESTful
3 5 (50.00%) HornetQ
3 5 (50.00%) Java EE
3 5 (50.00%) JAX-RS
3 5 (50.00%) JMS
3 5 (50.00%) RESTEasy
3 5 (50.00%) Spring
3 5 (50.00%) Spring Boot
3 5 (50.00%) WireMock
4 2 (20.00%) AngularJS
4 2 (20.00%) J2EE
4 2 (20.00%) JSON
4 2 (20.00%) XML
5 1 (10.00%) Cocoa
5 1 (10.00%) Cocoa Touch
5 1 (10.00%) Core Animation
5 1 (10.00%) Core Data
Miscellaneous
1 5 (50.00%) Mobile App
2 2 (20.00%) Computer Science
2 2 (20.00%) User Experience
3 1 (10.00%) Animation
Operating Systems
1 7 (70.00%) Apple iOS
2 6 (60.00%) Android
Processes & Methodologies
1 10 (100.00%) Agile Software Development
2 7 (70.00%) Mathematics
2 7 (70.00%) Scrum
2 7 (70.00%) Software Engineering
3 6 (60.00%) Analytics
3 6 (60.00%) SOA
4 5 (50.00%) Continuous Integration
4 5 (50.00%) Dependency Injection
4 5 (50.00%) DSDM
4 5 (50.00%) Functional Testing
4 5 (50.00%) Kanban
4 5 (50.00%) Personalization
4 5 (50.00%) Predictive Analytics
4 5 (50.00%) Software Delivery
4 5 (50.00%) Unit Testing
5 2 (20.00%) BDD
5 2 (20.00%) Integration Testing
5 2 (20.00%) iOS Development
6 1 (10.00%) Android Development
6 1 (10.00%) Speech Recognition
Programming Languages
1 9 (90.00%) Java
2 5 (50.00%) Scala
2 5 (50.00%) SQL
3 2 (20.00%) JavaScript
4 1 (10.00%) Apple Swift
4 1 (10.00%) Objective-C
Qualifications
1 7 (70.00%) Degree
System Software
1 5 (50.00%) Docker
Vendors
1 5 (50.00%) Oracle