Period
to 24 November 2017

The following table provides summary statistics for contract job vacancies advertised in Norfolk 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)
East of England > Norfolk
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 22 41 31
Rank change year-on-year +19 -10 -3
Contract jobs citing TDD 25 1 14
As % of all contract IT jobs advertised in Norfolk 7.08% 0.29% 3.66%
As % of the Processes & Methodologies category 8.50% 0.35% 4.68%
Number of daily rates quoted 11 1 9
Norfolk median daily rate £325 £375 £341
Median daily rate % change year-on-year -13.33% +9.97% +13.67%
10th Percentile £313 £338 £263
90th Percentile £475 £413 £430
East of England median daily rate £488 £475 £413
% change year-on-year +2.63% +15.15% +3.13%
Number of hourly rates quoted 0 0 0
Norfolk median hourly rate - - -
East of England median hourly rate £62.50 £36.51 £37.45
% change year-on-year +71.19% -2.51% -

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 Norfolk with a requirement for process or methodology skills.

All Process and Methodology Skills
Norfolk
Contract vacancies with a requirement for process or methodology skills 294 289 299
As % of all contract IT jobs advertised in Norfolk 83.29% 83.05% 78.07%
Number of daily rates quoted 207 198 220
Norfolk median daily rate £425 £375 £325
Median daily rate % change year-on-year +13.33% +15.38% +1.56%
10th Percentile £266 £200 £180
90th Percentile £513 £525 £500
East of England median daily rate £425 £400 £400
% change year-on-year +6.25% - +6.67%
Number of hourly rates quoted 2 8 18
Norfolk median hourly rate £11.17 £22.25 £23.00
Median hourly rate % change year-on-year -49.80% -3.26% -3.16%
10th Percentile £10.68 £14.19 £17.00
90th Percentile £11.91 £27.61 £55.18
East of England median hourly rate £31.50 £32.00 £23.63
% change year-on-year -1.56% +35.45% -1.56%

TDD
Job Vacancy Trend in Norfolk

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

Job vacancy trend for TDD in Norfolk

TDD
Contractor Daily Rate Trend in Norfolk

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

Contractor daily rate trend for TDD in Norfolk

TDD
Contractor Daily Rate Histogram in Norfolk

The daily rate distribution of IT jobs citing TDD in Norfolk over the 6 months to 24 November 2017.

Contractor daily rate histogram for TDD in Norfolk

TDD
Contract Job Locations in Norfolk

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Norfolk 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
Norwich - 18 £400 - 9
Diss - 4 £325 -
TDD
East of England

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 Norfolk region with a requirement for TDD.

1 19 (76.00%) Continuous Integration
1 19 (76.00%) BDD
2 17 (68.00%) Agile Software Development
3 15 (60.00%) Software Engineering
4 14 (56.00%) Scrum
5 13 (52.00%) C#
5 13 (52.00%) Jenkins
6 9 (36.00%) Git (software)
6 9 (36.00%) JavaScript
6 9 (36.00%) Web Services
7 8 (32.00%) Java
7 8 (32.00%) .NET
7 8 (32.00%) MVC
7 8 (32.00%) .NET Framework
8 7 (28.00%) SOAP
8 7 (28.00%) REST
8 7 (28.00%) Continuous Improvement
8 7 (28.00%) Xamarin
9 6 (24.00%) SOLID
9 6 (24.00%) Sass
9 6 (24.00%) Wireframes
10 5 (20.00%) Apache Pig
10 5 (20.00%) Sqoop
10 5 (20.00%) Big Data
10 5 (20.00%) Cloudera
10 5 (20.00%) Apache Flume
10 5 (20.00%) MapReduce
10 5 (20.00%) Mobile App
10 5 (20.00%) Concurrent Programming
10 5 (20.00%) Impala

TDD
Co-occurring 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 5 (20.00%) Apache Pig
1 5 (20.00%) Apache Spark
2 2 (8.00%) Apache
2 2 (8.00%) Drupal
2 2 (8.00%) WordPress
3 1 (4.00%) Adobe Experience Manager
Applications
1 2 (8.00%) Fireworks
1 2 (8.00%) Photoshop
Cloud Services
1 2 (8.00%) Amazon AWS
1 2 (8.00%) Microsoft Azure
Database & Business Intelligence
1 5 (20.00%) Apache Hive
1 5 (20.00%) Big Data
1 5 (20.00%) Hadoop
1 5 (20.00%) HBase
1 5 (20.00%) Impala
1 5 (20.00%) Sqoop
2 4 (16.00%) SQL Server
3 3 (12.00%) MySQL
4 1 (4.00%) MarkLogic
4 1 (4.00%) NoSQL
4 1 (4.00%) Relational Database
Development Applications
1 13 (52.00%) Jenkins
2 9 (36.00%) Git (software)
3 5 (20.00%) Maven
4 3 (12.00%) Subversion
4 3 (12.00%) Team Foundation Server
5 2 (8.00%) Codeception
5 2 (8.00%) Mockito
5 2 (8.00%) PHPUnit
5 2 (8.00%) QUnit
5 2 (8.00%) Visual Studio
6 1 (4.00%) Cucumber
6 1 (4.00%) JUnit
6 1 (4.00%) SonarQube
General
1 5 (20.00%) Finance
2 3 (12.00%) Banking
2 3 (12.00%) Law
3 1 (4.00%) Publishing
Job Titles
1 23 (92.00%) Developer
2 7 (28.00%) .NET Developer
2 7 (28.00%) Xamarin Developer
3 5 (20.00%) Cloud Developer
3 5 (20.00%) Hadoop Developer
4 3 (12.00%) ASP.NET MVC Developer
5 2 (8.00%) Front End Developer (Client-Side Developer)
5 2 (8.00%) PHP Developer
5 2 (8.00%) Software Engineer
6 1 (4.00%) .NET Software Engineer
6 1 (4.00%) Applications Developer
6 1 (4.00%) C# Software Engineer
6 1 (4.00%) Developer/Software Engineer
6 1 (4.00%) Java Developer
6 1 (4.00%) Mobile Applications Developer
6 1 (4.00%) Mobile Engineer
6 1 (4.00%) Mobile Software Engineer
6 1 (4.00%) Scrum Master
Libraries, Frameworks & Software Standards
1 9 (36.00%) Web Services
2 8 (32.00%) .NET
2 8 (32.00%) .NET Framework
3 7 (28.00%) REST
3 7 (28.00%) SOAP
4 6 (24.00%) Sass
5 5 (20.00%) HTML
5 5 (20.00%) HTML5
5 5 (20.00%) RESTful
5 5 (20.00%) XML
6 4 (16.00%) AngularJS
6 4 (16.00%) ASP.NET
6 4 (16.00%) ASP.NET MVC
6 4 (16.00%) ASP.NET Web API
6 4 (16.00%) Entity Framework
7 3 (12.00%) XSLT
8 2 (8.00%) Apache Cordova
8 2 (8.00%) CSS
8 2 (8.00%) jQuery
8 2 (8.00%) LAMP
Miscellaneous
1 5 (20.00%) Analytical Skills
1 5 (20.00%) Mobile App
2 4 (16.00%) User Experience
Operating Systems
1 4 (16.00%) Android
1 4 (16.00%) Apple iOS
2 2 (8.00%) Linux
Processes & Methodologies
1 19 (76.00%) BDD
1 19 (76.00%) Continuous Integration
2 17 (68.00%) Agile Software Development
3 15 (60.00%) Software Engineering
4 14 (56.00%) Scrum
5 8 (32.00%) MVC
6 7 (28.00%) Continuous Improvement
7 6 (24.00%) SOLID
7 6 (24.00%) Wireframes
8 5 (20.00%) Concurrent Programming
8 5 (20.00%) Data Privacy
8 5 (20.00%) Kanban
8 5 (20.00%) MapReduce
8 5 (20.00%) Multithreading
8 5 (20.00%) MVVM
8 5 (20.00%) Workflow
9 4 (16.00%) Prototyping
10 3 (12.00%) Asset Management
10 3 (12.00%) Information Management
10 3 (12.00%) Web Development
Programming Languages
1 13 (52.00%) C#
2 9 (36.00%) JavaScript
3 8 (32.00%) Java
4 5 (20.00%) HiveQL
5 4 (16.00%) SQL
6 2 (8.00%) PHP
6 2 (8.00%) XPath
Quality Assurance & Compliance
1 2 (8.00%) WAI
1 2 (8.00%) WCAG
System Software
1 5 (20.00%) Apache Flume
Vendors
1 7 (28.00%) Xamarin
2 5 (20.00%) Cloudera
3 4 (16.00%) Microsoft
4 1 (4.00%) Adobe
4 1 (4.00%) Coverity