The following table provides summary statistics for contract job vacancies advertised in Nottingham with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 3 months to 22 March 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.

3 months to
22 Mar 2017
Same period 2016 Same period 2015
Test-Driven Development (TDD)
Nottinghamshire / Nottingham
Rank 19 35 21
Rank change year-on-year +16 -14  
Contract jobs citing TDD 24 13 26
As % of all contract IT jobs advertised in Nottingham 6.84% 2.65% 7.30%
As % of the Processes & Methodologies category 7.67% 3.20% 9.12%
Number of daily rates quoted 13 8 20
Median daily rate £368 £450 £390
Median daily rate % change year-on-year -18.33% +15.38%  
90% offered a daily rate of more than £344 £321 £358
10% offered a daily rate of more than £394 £475 £475
UK excluding London median daily rate £405 £400 £375
% change year-on-year +1.25% +6.66%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £39.00 £45.75 £36.00
% change year-on-year -14.75% +27.08%  

TDD is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Nottingham with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Nottingham
Contract job vacancies with a requirement for process and methodology skills 313 406 285
As % of all contract IT job vacancies advertised in Nottingham 89.17% 82.86% 80.06%
Number of daily rates quoted 175 208 139
Median daily rate £368 £425 £375
Median daily rate % change year-on-year -13.52% +13.33%  
90% offered a daily rate of more than £275 £275 £275
10% offered a daily rate of more than £475 £600 £475
UK excluding London median daily rate £409 £400 £398
% change year-on-year +2.25% +0.62%  
Number of hourly rates quoted 3 8 8
Median hourly rate £18.50 £15.25 £13.00
Median hourly rate % change year-on-year +21.31% +17.30%  
90% offered a hourly rate of more than £12.23 £12.00 £11.00
10% offered a hourly rate of more than £19.97 £20.00 £14.60
UK excluding London median hourly rate £36.00 £39.00 £30.00
% change year-on-year -7.69% +30.00%  

TDD
Job Vacancy Trend in Nottingham

The job posting trend of jobs advertised in Nottingham citing TDD as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for TDD in Nottingham

TDD
Contractor Daily Rate Trend in Nottingham

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

Contractor daily rate trend for TDD in Nottingham

TDD
Top 30 Related IT Skills in Nottingham

For the 6 months to 22 March 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 Nottingham region with a requirement for TDD.

1 31 (79.49%) C#
1 31 (79.49%) .NET
2 26 (66.67%) MVVM
3 25 (64.10%) .NET Framework
3 25 (64.10%) WCF
4 23 (58.97%) WPF
4 23 (58.97%) Dependency Injection
4 23 (58.97%) OO
5 19 (48.72%) XML
6 10 (25.64%) Web Services
7 9 (23.08%) Agile Software Development
8 8 (20.51%) Scrum
9 7 (17.95%) MVC
9 7 (17.95%) Git (software)
10 6 (15.38%) RESTful
10 6 (15.38%) Java
11 5 (12.82%) HTML
11 5 (12.82%) Finance
11 5 (12.82%) JSON
11 5 (12.82%) HTML5
12 4 (10.26%) BDD
12 4 (10.26%) ASP.NET MVC
12 4 (10.26%) Jenkins
12 4 (10.26%) JIRA
12 4 (10.26%) ASP.NET
12 4 (10.26%) JavaScript
13 3 (7.69%) Oracle
13 3 (7.69%) SQL Server
13 3 (7.69%) CSS
13 3 (7.69%) SOAP

TDD
Top Related IT Skills in Nottingham 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 2 (5.13%) Oracle SOA Suite
2 1 (2.56%) Confluence
2 1 (2.56%) IIS
2 1 (2.56%) Oracle BPEL
2 1 (2.56%) Oracle Service Bus
2 1 (2.56%) WebLogic
Cloud Services
1 3 (7.69%) Amazon AWS
2 2 (5.13%) Microsoft Azure
Communications & Networking
1 1 (2.56%) VPN
Database & Business Intelligence
1 3 (7.69%) MongoDB
1 3 (7.69%) SQL Server
2 2 (5.13%) Amazon DynamoDB
2 2 (5.13%) NoSQL
2 2 (5.13%) Oracle Database
3 1 (2.56%) SQLite
Development Applications
1 7 (17.95%) Git (software)
2 4 (10.26%) Jenkins
2 4 (10.26%) JIRA
3 3 (7.69%) Gradle
3 3 (7.69%) Team Foundation Server
4 2 (5.13%) Cucumber
4 2 (5.13%) MSTest
5 1 (2.56%) Android Studio
5 1 (2.56%) Babel
5 1 (2.56%) gulp
5 1 (2.56%) Hudson
5 1 (2.56%) Jasmine
5 1 (2.56%) JUnit
5 1 (2.56%) Maven
5 1 (2.56%) Mocha
5 1 (2.56%) Robolectric
5 1 (2.56%) Robotium
5 1 (2.56%) SoapUI
5 1 (2.56%) WebDriver
5 1 (2.56%) webpack
General
1 5 (12.82%) Finance
Job Titles
1 38 (97.44%) Developer
2 23 (58.97%) .NET Developer
3 17 (43.59%) WPF Developer
4 11 (28.21%) C# .NET Developer
4 11 (28.21%) C# Developer
4 11 (28.21%) WCF Developer
5 4 (10.26%) C# WCF Developer
6 3 (7.69%) HTML Developer
6 3 (7.69%) UI Developer
7 2 (5.13%) Angular Developer
7 2 (5.13%) ASP.NET Developer
7 2 (5.13%) ASP.NET MVC Developer
7 2 (5.13%) C# ASP.NET Developer
7 2 (5.13%) HTML CSS Developer
7 2 (5.13%) Java Developer
7 2 (5.13%) Lead Developer
7 2 (5.13%) Senior Developer
7 2 (5.13%) SOA Developer
7 2 (5.13%) Software Developer
7 2 (5.13%) Web UI Developer
Libraries, Frameworks & Software Standards
1 31 (79.49%) .NET
2 25 (64.10%) .NET Framework
2 25 (64.10%) WCF
3 23 (58.97%) WPF
4 19 (48.72%) XML
5 10 (25.64%) Web Services
6 6 (15.38%) RESTful
7 5 (12.82%) HTML
7 5 (12.82%) HTML5
7 5 (12.82%) JSON
8 4 (10.26%) ASP.NET
8 4 (10.26%) ASP.NET MVC
9 3 (7.69%) AngularJS
9 3 (7.69%) CSS
9 3 (7.69%) CSS3
9 3 (7.69%) jQuery
9 3 (7.69%) SOAP
10 2 (5.13%) .NET Core
10 2 (5.13%) ASP.NET Web API
10 2 (5.13%) Twitter Bootstrap
Miscellaneous
1 2 (5.13%) Analytical Skills
1 2 (5.13%) Fintech
1 2 (5.13%) User Experience
2 1 (2.56%) Social Media
2 1 (2.56%) Virtual Team
Operating Systems
1 1 (2.56%) Android
1 1 (2.56%) Apple iOS
1 1 (2.56%) Unix
Processes & Methodologies
1 26 (66.67%) MVVM
2 23 (58.97%) Dependency Injection
2 23 (58.97%) OO
3 9 (23.08%) Agile Software Development
4 8 (20.51%) Scrum
5 7 (17.95%) MVC
6 4 (10.26%) BDD
7 3 (7.69%) Front End Development
7 3 (7.69%) User Stories
8 2 (5.13%) API Design
8 2 (5.13%) API Integration
8 2 (5.13%) Automated Testing
8 2 (5.13%) Integration Testing
8 2 (5.13%) Microservices
8 2 (5.13%) Multithreaded Programming
8 2 (5.13%) Multithreading
8 2 (5.13%) SOA
9 1 (2.56%) Open Source
9 1 (2.56%) Open Source Development
9 1 (2.56%) Usability Testing
Programming Languages
1 31 (79.49%) C#
2 6 (15.38%) Java
3 4 (10.26%) JavaScript
4 2 (5.13%) Python
4 2 (5.13%) SQL
4 2 (5.13%) XAML
5 1 (2.56%) Apple Swift
5 1 (2.56%) Objective-C
5 1 (2.56%) Ruby
5 1 (2.56%) XQuery
System Software
1 2 (5.13%) Docker
Vendors
1 3 (7.69%) Oracle
2 2 (5.13%) Twitter
3 1 (2.56%) Apigee
3 1 (2.56%) Informatica
3 1 (2.56%) Salesforce.com