The table below looks at the statistics for TDD skills in IT contracts advertised for the Gatwick region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 4 December 2016 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
4 Dec 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 12 8 -
Rank change year-on-year
-4 -
Contract jobs citing TDD 4 14 0
As % of all contract IT jobs located in Gatwick 6.15% 15.56% -
As % of the Processes & Methodologies category 7.14% 17.50% -
Number of daily rates quoted 2 8 0
Median daily rate £475 £540 -
Median daily rate % change year-on-year
-12.03% -
UK excluding London median daily rate £425 £388 £375
% change year-on-year
+9.67% +3.33%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £42.50 £36.98 £38.25
% change year-on-year
+14.94% -3.33%
TDD
West Sussex

The following table is for comparison with the above and provides statistics for the entire Processes & Methodologies category in contract jobs advertised in the Gatwick region.

Processes & Methodologies Category
Gatwick
Contract IT job ads with a match in the
Processes & Methodologies category
56 80 27
As % of all contract IT jobs located in Gatwick 86.15% 88.89% 87.10%
Number of daily rates quoted 39 68 16
Median daily rate £400 £450 £413
Median daily rate % change year-on-year
-11.11% +9.09%
90% offered a daily rate of more than £350 £325 £350
10% offered a daily rate of more than £526 £563 £425
UK excluding London median daily rate £413 £400 £385
% change year-on-year
+3.12% +3.89%
Number of hourly rates quoted 7 1 0
Median hourly rate £35.00 £13.00 -
Median hourly rate % change year-on-year
+169.23% -
UK excluding London median hourly rate £31.00 £34.95 £25.00
% change year-on-year
-11.30% +39.80%

TDD
Jobs Demand Trend in Gatwick

The demand trend of contract jobs across the Gatwick region citing TDD as a proportion of all IT contracts with a match in the Processes & Methodologies category.

TDD Jobs Demand Trend in Gatwick

TDD
Daily Rate Trend in Gatwick

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing TDD across the Gatwick region.

TDD Daily Rate Trend in Gatwick

TDD
Hourly Rate Trend in Gatwick

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing TDD across the Gatwick region.

TDD Hourly Rate Trend in Gatwick

TDD
Top 30 Related IT Skills in Gatwick

For the 6 months to 4 December 2016, 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 Gatwick region with a requirement for TDD.

1 10 (100.00%) Agile Software Development
2 7 (70.00%) Scrum
2 7 (70.00%) BDD
3 4 (40.00%) MongoDB
3 4 (40.00%) Scala
3 4 (40.00%) Kanban
3 4 (40.00%) REST
3 4 (40.00%) Play Framework
3 4 (40.00%) Akka
3 4 (40.00%) Java
3 4 (40.00%) J2EE
3 4 (40.00%) Python
3 4 (40.00%) Ruby
3 4 (40.00%) Degree
3 4 (40.00%) Computer Science
4 3 (30.00%) Software Engineering
4 3 (30.00%) Mobile App
4 3 (30.00%) Continuous Integration
4 3 (30.00%) Git (software)
4 3 (30.00%) Mobile Development
5 2 (20.00%) Google Play
5 2 (20.00%) Exploratory Testing
5 2 (20.00%) Multithreading
5 2 (20.00%) QMS
5 2 (20.00%) Android
5 2 (20.00%) User Experience
5 2 (20.00%) Android SDK
5 2 (20.00%) Android Development
5 2 (20.00%) Jenkins
5 2 (20.00%) Embedded Systems

TDD
Top Related IT Skills in Gatwick 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:

Cloud Services
1 2 (20.00%) Google Play
Database & Business Intelligence
1 4 (40.00%) MongoDB
2 1 (10.00%) Oracle Database
Development Applications
1 3 (30.00%) Git (software)
2 2 (20.00%) Jenkins
3 1 (10.00%) Team Foundation Server
3 1 (10.00%) TeamCity
Job Titles
1 8 (80.00%) Developer
2 4 (40.00%) Scala Developer
3 2 (20.00%) Android Developer
4 1 (10.00%) .NET Developer
4 1 (10.00%) Agile Tester
4 1 (10.00%) ASP.NET Developer
4 1 (10.00%) C# .NET Developer
4 1 (10.00%) C# ASP.NET Developer
4 1 (10.00%) C# Developer
4 1 (10.00%) Embedded C++ Engineer
4 1 (10.00%) Embedded Engineer
4 1 (10.00%) iOS Developer
4 1 (10.00%) Software Test Engineer
4 1 (10.00%) Software Tester
4 1 (10.00%) Test Engineer
4 1 (10.00%) Tester
Libraries, Frameworks & Software Standards
1 4 (40.00%) Akka
1 4 (40.00%) J2EE
1 4 (40.00%) Play Framework
1 4 (40.00%) REST
2 2 (20.00%) Android SDK
3 1 (10.00%) .NET
3 1 (10.00%) .NET Framework
3 1 (10.00%) AngularJS
3 1 (10.00%) ASP.NET
3 1 (10.00%) ASP.NET MVC
3 1 (10.00%) ASP.NET Web API
3 1 (10.00%) Cocoa
3 1 (10.00%) Cocoa Touch
3 1 (10.00%) Core Animation
3 1 (10.00%) Core Data
3 1 (10.00%) Entity Framework
3 1 (10.00%) KnockoutJS
Miscellaneous
1 4 (40.00%) Computer Science
2 3 (30.00%) Mobile App
3 2 (20.00%) Embedded Systems
3 2 (20.00%) User Experience
4 1 (10.00%) Animation
Operating Systems
1 2 (20.00%) Android
1 2 (20.00%) Linux
1 2 (20.00%) Windows
2 1 (10.00%) Apple iOS
Processes & Methodologies
1 10 (100.00%) Agile Software Development
2 7 (70.00%) BDD
2 7 (70.00%) Scrum
3 4 (40.00%) Kanban
4 3 (30.00%) Continuous Integration
4 3 (30.00%) Mobile Development
4 3 (30.00%) Software Engineering
5 2 (20.00%) Android Development
5 2 (20.00%) Automated Testing
5 2 (20.00%) Configuration Management
5 2 (20.00%) Exploratory Testing
5 2 (20.00%) Multithreading
5 2 (20.00%) QMS
5 2 (20.00%) Quality Management
5 2 (20.00%) Test Strategy
6 1 (10.00%) API Design
6 1 (10.00%) iOS Development
6 1 (10.00%) MVC
Programming Languages
1 4 (40.00%) Java
1 4 (40.00%) Python
1 4 (40.00%) Ruby
1 4 (40.00%) Scala
2 2 (20.00%) C++
2 2 (20.00%) Shell Script
3 1 (10.00%) C#
3 1 (10.00%) JavaScript
3 1 (10.00%) Objective-C
Qualifications
1 4 (40.00%) Degree
Vendors
1 1 (10.00%) Apple
1 1 (10.00%) ION Trading
1 1 (10.00%) Oracle