The table below looks at the statistics for TDD skills in IT contracts advertised for the Norfolk region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 1 October 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
1 Oct 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 27 22 27
Rank change year-on-year
-5 +5
Contract jobs citing TDD 1 3 12
As % of all contract IT jobs located in Norfolk 0.58% 1.76% 4.30%
As % of the Processes & Methodologies category 0.71% 2.38% 6.03%
Number of daily rates quoted 1 1 6
Median daily rate £375 £400 £288
Median daily rate % change year-on-year
-6.25% +39.13%
UK excluding London median daily rate £425 £390 £375
% change year-on-year
+8.97% +4.00%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £41.25 £37.45 £35.00
% change year-on-year
+10.14% +7.00%
TDD
East of England

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

Processes & Methodologies Category
Norfolk
Contract IT job ads with a match in the
Processes & Methodologies category
140 126 199
As % of all contract IT jobs located in Norfolk 81.40% 74.12% 71.33%
Number of daily rates quoted 90 91 108
Median daily rate £450 £325 £325
Median daily rate % change year-on-year
+38.46% -
90% offered a daily rate of more than £200 £225 £235
10% offered a daily rate of more than £510 £480 £453
UK excluding London median daily rate £400 £400 £375
% change year-on-year
- +6.66%
Number of hourly rates quoted 1 6 13
Median hourly rate £11.72 £23.00 £23.50
Median hourly rate % change year-on-year
-49.04% -2.12%
UK excluding London median hourly rate £32.50 £34.00 £26.00
% change year-on-year
-4.41% +30.76%

TDD
Jobs Demand Trend in Norfolk

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

TDD Jobs Demand Trend in Norfolk

TDD
Daily Rate Trend in Norfolk

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

TDD Daily Rate Trend in Norfolk

TDD
Top 30 Related IT Skills in Norfolk

For the 6 months to 1 October 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 Norfolk region with a requirement for TDD.

1 4 (100.00%) BDD
2 3 (75.00%) Agile Software Development
2 3 (75.00%) Continuous Integration
3 2 (50.00%) Software Engineering
3 2 (50.00%) JavaScript
3 2 (50.00%) .NET
3 2 (50.00%) SQL Server
3 2 (50.00%) Microsoft
3 2 (50.00%) C#
3 2 (50.00%) Scrum
3 2 (50.00%) MVC
3 2 (50.00%) Jenkins
3 2 (50.00%) Mobile App
4 1 (25.00%) Apache Camel
4 1 (25.00%) ASP.NET Web API
4 1 (25.00%) Zephyr
4 1 (25.00%) ISTQB Advanced Certification
4 1 (25.00%) React
4 1 (25.00%) API Design
4 1 (25.00%) RabbitMQ
4 1 (25.00%) Node.js
4 1 (25.00%) REST
4 1 (25.00%) Continuous Improvement
4 1 (25.00%) Test Strategy
4 1 (25.00%) CoffeeScript
4 1 (25.00%) Redis
4 1 (25.00%) Riak
4 1 (25.00%) AngularJS
4 1 (25.00%) Migration
4 1 (25.00%) SOLID

TDD
Top Related IT Skills in Norfolk 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 1 (25.00%) Apache Solr
Applications
1 1 (25.00%) MS Excel
Cloud Services
1 1 (25.00%) Microsoft Azure
Database & Business Intelligence
1 2 (50.00%) SQL Server
2 1 (25.00%) Redis
2 1 (25.00%) Riak
Development Applications
1 2 (50.00%) Jenkins
2 1 (25.00%) Cucumber
2 1 (25.00%) JIRA
2 1 (25.00%) Maven
2 1 (25.00%) Selenium
2 1 (25.00%) TeamCity
2 1 (25.00%) Visual Studio
2 1 (25.00%) Zephyr
Job Titles
1 2 (50.00%) .NET Developer
1 2 (50.00%) C# .NET Developer
1 2 (50.00%) C# Developer
1 2 (50.00%) Developer
2 1 (25.00%) .NET Applications Developer
2 1 (25.00%) .NET Software Developer
2 1 (25.00%) .NET Software Engineer
2 1 (25.00%) Applications Developer
2 1 (25.00%) Applications Engineer
2 1 (25.00%) ASP.NET MVC Developer
2 1 (25.00%) C# Application Developer
2 1 (25.00%) C# Software Developer
2 1 (25.00%) C# Software Engineer
2 1 (25.00%) Designer
2 1 (25.00%) Developer/Software Engineer
2 1 (25.00%) JavaScript Developer
2 1 (25.00%) Mobile Applications Developer
2 1 (25.00%) Mobile Software Engineer
2 1 (25.00%) Software Developer
2 1 (25.00%) Test Engineer
Libraries, Frameworks & Software Standards
1 2 (50.00%) .NET
2 1 (25.00%) AngularJS
2 1 (25.00%) Apache Camel
2 1 (25.00%) ASP.NET
2 1 (25.00%) ASP.NET Web API
2 1 (25.00%) HTML
2 1 (25.00%) HTML5
2 1 (25.00%) Node.js
2 1 (25.00%) RabbitMQ
2 1 (25.00%) React
2 1 (25.00%) REST
2 1 (25.00%) RESTful
2 1 (25.00%) Spring
Miscellaneous
1 2 (50.00%) Mobile App
Processes & Methodologies
1 4 (100.00%) BDD
2 3 (75.00%) Agile Software Development
2 3 (75.00%) Continuous Integration
3 2 (50.00%) MVC
3 2 (50.00%) Scrum
3 2 (50.00%) Software Engineering
4 1 (25.00%) API Design
4 1 (25.00%) Continuous Improvement
4 1 (25.00%) Kanban
4 1 (25.00%) Migration
4 1 (25.00%) OO
4 1 (25.00%) Pair Programming
4 1 (25.00%) SOLID
4 1 (25.00%) Test Automation
4 1 (25.00%) Test Strategy
4 1 (25.00%) Use Case
4 1 (25.00%) Web Development
Programming Languages
1 2 (50.00%) C#
1 2 (50.00%) JavaScript
2 1 (25.00%) CoffeeScript
2 1 (25.00%) Java
2 1 (25.00%) Ruby
Qualifications
1 1 (25.00%) Degree
1 1 (25.00%) ISTQB
1 1 (25.00%) ISTQB Advanced Certification
Vendors
1 2 (50.00%) Microsoft
2 1 (25.00%) Red Hat