The following table provides summary statistics for contract job vacancies advertised in Nottinghamshire 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 25 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
25 Mar 2017
Same period 2016 Same period 2015
Test-Driven Development (TDD)
East Midlands / Nottinghamshire
Rank 17 41 21
Rank change year-on-year +24 -20  
Contract jobs citing TDD 31 13 28
As % of all contract IT jobs advertised in Nottinghamshire 7.79% 2.31% 6.54%
As % of the Processes & Methodologies category 8.93% 2.75% 8.31%
Number of daily rates quoted 13 8 22
Median daily rate £368 £450 £395
Median daily rate % change year-on-year -18.33% +13.92%  
90% offered a daily rate of more than £344 £321 £371
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 Nottinghamshire with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Nottinghamshire
Contract job vacancies with a requirement for process and methodology skills 347 473 337
As % of all contract IT job vacancies advertised in Nottinghamshire 87.19% 84.01% 78.74%
Number of daily rates quoted 195 241 173
Median daily rate £368 £415 £375
Median daily rate % change year-on-year -11.44% +10.66%  
90% offered a daily rate of more than £288 £263 £250
10% offered a daily rate of more than £480 £600 £475
UK excluding London median daily rate £410 £400 £400
% change year-on-year +2.50% +0.06%  
Number of hourly rates quoted 5 8 10
Median hourly rate £19.99 £15.50 £13.00
Median hourly rate % change year-on-year +28.93% +19.23%  
90% offered a hourly rate of more than £12.23 £12.00 £11.00
10% offered a hourly rate of more than £21.80 £20.00 £22.50
UK excluding London median hourly rate £36.00 £38.75 £30.00
% change year-on-year -7.09% +29.16%  

TDD
Job Vacancy Trend in Nottinghamshire

The job posting trend of jobs advertised in Nottinghamshire 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 Nottinghamshire

TDD
Contractor Daily Rate Trend in Nottinghamshire

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

Contractor daily rate trend for TDD in Nottinghamshire

TDD
Contract Job Locations in Nottinghamshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Nottinghamshire region over the 3 months to 25 March 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Nottingham +20 24 £368 -18.33% 13
TDD
East Midlands

TDD
Top 30 Related IT Skills in Nottinghamshire

For the 6 months to 25 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 Nottinghamshire region with a requirement for TDD.

1 37 (78.72%) .NET
2 33 (70.21%) C#
3 26 (55.32%) .NET Framework
3 26 (55.32%) MVVM
4 25 (53.19%) WCF
5 23 (48.94%) WPF
5 23 (48.94%) OO
5 23 (48.94%) Dependency Injection
6 21 (44.68%) XML
7 16 (34.04%) Agile Software Development
8 12 (25.53%) Scrum
9 11 (23.40%) Git (software)
10 10 (21.28%) Web Services
11 9 (19.15%) JSON
12 8 (17.02%) Java
12 8 (17.02%) JavaScript
13 7 (14.89%) MVC
14 6 (12.77%) Python
14 6 (12.77%) E-Commerce
14 6 (12.77%) SOA
14 6 (12.77%) Linux
14 6 (12.77%) RESTful
14 6 (12.77%) Docker
15 5 (10.64%) Node.js
15 5 (10.64%) REST
15 5 (10.64%) HTML5
15 5 (10.64%) SOAP
15 5 (10.64%) HTML
15 5 (10.64%) Finance
16 4 (8.51%) JIRA

TDD
Top Related IT Skills in Nottinghamshire 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 (4.26%) Oracle SOA Suite
2 1 (2.13%) ArcGIS
2 1 (2.13%) Confluence
2 1 (2.13%) IIS
2 1 (2.13%) Oracle BPEL
2 1 (2.13%) Oracle Service Bus
2 1 (2.13%) WebLogic
Cloud Services
1 4 (8.51%) IaaS
1 4 (8.51%) PaaS
2 3 (6.38%) Amazon AWS
3 2 (4.26%) Microsoft Azure
Communications & Networking
1 4 (8.51%) DNS
1 4 (8.51%) HTTP
1 4 (8.51%) SSL
1 4 (8.51%) TCP/IP
2 1 (2.13%) VPN
Database & Business Intelligence
1 3 (6.38%) MongoDB
1 3 (6.38%) SQL Server
2 2 (4.26%) Amazon DynamoDB
2 2 (4.26%) NoSQL
2 2 (4.26%) Oracle Database
3 1 (2.13%) GIS
3 1 (2.13%) SQLite
Development Applications
1 11 (23.40%) Git (software)
2 4 (8.51%) Jenkins
2 4 (8.51%) JIRA
3 3 (6.38%) Gradle
3 3 (6.38%) Team Foundation Server
4 2 (4.26%) Cucumber
4 2 (4.26%) MSTest
4 2 (4.26%) Selenium
5 1 (2.13%) Android Studio
5 1 (2.13%) Babel
5 1 (2.13%) gulp
5 1 (2.13%) Hudson
5 1 (2.13%) Jasmine
5 1 (2.13%) Mocha
5 1 (2.13%) Moq
5 1 (2.13%) Robolectric
5 1 (2.13%) Robotium
5 1 (2.13%) SoapUI
5 1 (2.13%) WebDriver
5 1 (2.13%) webpack
General
1 5 (10.64%) Finance
Job Titles
1 42 (89.36%) Developer
2 24 (51.06%) .NET Developer
3 17 (36.17%) WPF Developer
4 13 (27.66%) C# Developer
5 12 (25.53%) C# .NET Developer
6 11 (23.40%) WCF Developer
7 4 (8.51%) C# WCF Developer
7 4 (8.51%) E-Commerce Engineer
7 4 (8.51%) Java Developer
7 4 (8.51%) Platform Engineer
7 4 (8.51%) Senior Developer
8 3 (6.38%) Agile Developer
8 3 (6.38%) HTML Developer
8 3 (6.38%) UI Developer
9 2 (4.26%) Angular Developer
9 2 (4.26%) ASP.NET MVC Developer
9 2 (4.26%) C# WPF Developer
9 2 (4.26%) HTML CSS Developer
9 2 (4.26%) Web UI Developer
9 2 (4.26%) XML XSLT Developer
Libraries, Frameworks & Software Standards
1 37 (78.72%) .NET
2 26 (55.32%) .NET Framework
3 25 (53.19%) WCF
4 23 (48.94%) WPF
5 21 (44.68%) XML
6 10 (21.28%) Web Services
7 9 (19.15%) JSON
8 6 (12.77%) RESTful
9 5 (10.64%) HTML
9 5 (10.64%) HTML5
9 5 (10.64%) Node.js
9 5 (10.64%) REST
9 5 (10.64%) SOAP
10 4 (8.51%) ASP.NET
10 4 (8.51%) ASP.NET MVC
11 3 (6.38%) AngularJS
11 3 (6.38%) CSS
11 3 (6.38%) CSS3
11 3 (6.38%) jQuery
11 3 (6.38%) XSLT
Miscellaneous
1 2 (4.26%) Analytical Skills
1 2 (4.26%) Fintech
1 2 (4.26%) User Experience
2 1 (2.13%) Social Media
2 1 (2.13%) Virtual Team
Operating Systems
1 6 (12.77%) Linux
2 4 (8.51%) CoreOS
2 4 (8.51%) Ubuntu
3 1 (2.13%) Android
3 1 (2.13%) Apple iOS
3 1 (2.13%) Unix
Processes & Methodologies
1 26 (55.32%) MVVM
2 23 (48.94%) Dependency Injection
2 23 (48.94%) OO
3 16 (34.04%) Agile Software Development
4 12 (25.53%) Scrum
5 7 (14.89%) MVC
6 6 (12.77%) E-Commerce
6 6 (12.77%) SOA
7 4 (8.51%) BDD
7 4 (8.51%) Continuous Delivery
7 4 (8.51%) Continuous Integration
7 4 (8.51%) Kanban
8 3 (6.38%) Front End Development
8 3 (6.38%) User Stories
9 2 (4.26%) API Design
9 2 (4.26%) Automated Testing
9 2 (4.26%) Integration Testing
9 2 (4.26%) Multithreaded Programming
9 2 (4.26%) Multithreading
9 2 (4.26%) Test Automation
Programming Languages
1 33 (70.21%) C#
2 8 (17.02%) Java
2 8 (17.02%) JavaScript
3 6 (12.77%) Python
4 2 (4.26%) SQL
4 2 (4.26%) XAML
5 1 (2.13%) Apple Swift
5 1 (2.13%) Objective-C
5 1 (2.13%) Ruby
5 1 (2.13%) XQuery
System Software
1 6 (12.77%) Docker
Systems Management
1 4 (8.51%) Opscode Chef
2 1 (2.13%) Ansible
Vendors
1 3 (6.38%) Oracle
2 2 (4.26%) Twitter
3 1 (2.13%) Apigee
3 1 (2.13%) ESRI
3 1 (2.13%) Informatica
3 1 (2.13%) Salesforce.com