The table below looks at the statistics for TDD skills in IT contracts advertised for the Warrington region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 26 February 2017 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
26 Feb 2017
Same period 2016 Same period 2015
Test-Driven Development (TDD)
Cheshire / Warrington
Rank 10 32 33
Rank change year-on-year
+22 +1
Contract jobs citing TDD 7 14 2
As % of all contract IT jobs located in Warrington 5.74% 4.24% 0.93%
As % of the Processes & Methodologies category 7.61% 4.96% 1.09%
Number of daily rates quoted 5 8 1
Median daily rate £450 £325 £350
Median daily rate % change year-on-year
+38.46% -7.14%
UK excluding London median daily rate £415 £400 £375
% change year-on-year
+3.75% +6.66%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £39.00 £40.00 £34.50
% change year-on-year
-2.50% +15.94%

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

Processes & Methodologies Category
Warrington
Contract IT job ads with a match in the
Processes & Methodologies category
92 282 183
As % of all contract IT jobs located in Warrington 75.41% 85.45% 84.72%
Number of daily rates quoted 70 169 102
Median daily rate £375 £450 £400
Median daily rate % change year-on-year
-16.66% +12.50%
90% offered a daily rate of more than £120 £320 £260
10% offered a daily rate of more than £525 £650 £550
UK excluding London median daily rate £408 £400 £399
% change year-on-year
+2.00% +0.24%
Number of hourly rates quoted 1 6 4
Median hourly rate £20.00 £50.00 £15.00
Median hourly rate % change year-on-year
-60.00% +233.33%
UK excluding London median hourly rate £36.00 £40.00 £28.50
% change year-on-year
-10.00% +40.35%

TDD
Jobs Demand Trend in Warrington

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

TDD Jobs Demand Trend in Warrington

TDD
Daily Rate Trend in Warrington

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

TDD Daily Rate Trend in Warrington

TDD
Daily Rate Histogram in Warrington

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the Warrington region over the 3 months to 26 February 2017.

TDD Daily Rate Histogram in Warrington

TDD
Top 30 Related IT Skills in Warrington

For the 6 months to 26 February 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 Warrington region with a requirement for TDD.

1 9 (75.00%) BDD
2 7 (58.33%) JavaScript
2 7 (58.33%) Agile Software Development
3 6 (50.00%) SQL
3 6 (50.00%) Scrum
3 6 (50.00%) Node.js
4 5 (41.67%) REST
4 5 (41.67%) Open Source
4 5 (41.67%) Confluence
4 5 (41.67%) Cucumber
4 5 (41.67%) C#
4 5 (41.67%) Java
4 5 (41.67%) JIRA
4 5 (41.67%) Git (software)
5 4 (33.33%) PostgreSQL
5 4 (33.33%) Software Engineering
5 4 (33.33%) .NET
5 4 (33.33%) MySQL
5 4 (33.33%) MongoDB
5 4 (33.33%) NoSQL
5 4 (33.33%) Microservices
5 4 (33.33%) SFIA
5 4 (33.33%) Slack
6 3 (25.00%) AngularJS
6 3 (25.00%) jQuery
6 3 (25.00%) SQL Server
6 3 (25.00%) HTML
6 3 (25.00%) CSS
6 3 (25.00%) Selenium
7 2 (16.67%) Web Development

TDD
Top Related IT Skills in Warrington 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 (41.67%) Confluence
2 2 (16.67%) CMS
3 1 (8.33%) Umbraco
Applications
1 1 (8.33%) MS Visio
Cloud Services
1 4 (33.33%) Slack
2 1 (8.33%) Microsoft Azure
2 1 (8.33%) Trello
Database & Business Intelligence
1 4 (33.33%) MongoDB
1 4 (33.33%) MySQL
1 4 (33.33%) NoSQL
1 4 (33.33%) PostgreSQL
2 3 (25.00%) SQL Server
3 1 (8.33%) SQL Server 2008
Development Applications
1 5 (41.67%) Cucumber
1 5 (41.67%) Git (software)
1 5 (41.67%) JIRA
2 3 (25.00%) Selenium
3 1 (8.33%) Bitbucket
3 1 (8.33%) MSBuild
3 1 (8.33%) Octopus Deploy
3 1 (8.33%) TeamCity
General
1 1 (8.33%) Finance
Job Titles
1 4 (33.33%) Lead Software Engineer
1 4 (33.33%) Software Engineer
2 3 (25.00%) Developer
3 2 (16.67%) .NET Developer
3 2 (16.67%) ASP.NET Developer
3 2 (16.67%) C# .NET Developer
3 2 (16.67%) C# ASP.NET Developer
3 2 (16.67%) C# Developer
4 1 (8.33%) Agile Business Analyst
4 1 (8.33%) Angular Developer
4 1 (8.33%) ASP.NET MVC Developer
4 1 (8.33%) Automation Tester
4 1 (8.33%) DevOps Engineer
4 1 (8.33%) Full Stack Developer
4 1 (8.33%) Scrum Master
4 1 (8.33%) Selenium Automation Tester
4 1 (8.33%) Selenium Tester
4 1 (8.33%) Senior C# .NET Developer
4 1 (8.33%) Senior C# ASP.NET Developer
4 1 (8.33%) Senior SQL Developer
Libraries, Frameworks & Software Standards
1 6 (50.00%) Node.js
2 5 (41.67%) REST
3 4 (33.33%) .NET
4 3 (25.00%) AngularJS
4 3 (25.00%) CSS
4 3 (25.00%) HTML
4 3 (25.00%) jQuery
5 2 (16.67%) .NET Framework
5 2 (16.67%) ASP.NET
5 2 (16.67%) ASP.NET Web API
5 2 (16.67%) CSS3
5 2 (16.67%) Entity Framework
5 2 (16.67%) HTML5
5 2 (16.67%) JSON
6 1 (8.33%) ASP.NET MVC
6 1 (8.33%) ASP.NET Web Forms
6 1 (8.33%) Dropwizard
6 1 (8.33%) NHibernate
6 1 (8.33%) Spring
6 1 (8.33%) WCF
Miscellaneous
1 1 (8.33%) User Experience
Operating Systems
1 1 (8.33%) Linux
Processes & Methodologies
1 9 (75.00%) BDD
2 7 (58.33%) Agile Software Development
3 6 (50.00%) Scrum
4 5 (41.67%) Open Source
5 4 (33.33%) Microservices
5 4 (33.33%) SFIA
5 4 (33.33%) Software Engineering
6 2 (16.67%) Automated Testing
6 2 (16.67%) Content Management
6 2 (16.67%) Continuous Improvement
6 2 (16.67%) Continuous Integration
6 2 (16.67%) DevOps
6 2 (16.67%) MVC
6 2 (16.67%) Project Management
6 2 (16.67%) Stakeholder Engagement
6 2 (16.67%) Web Development
7 1 (8.33%) Requirements Engineering
7 1 (8.33%) Responsive Web Design
7 1 (8.33%) Static Code Analysis
7 1 (8.33%) User Stories
Programming Languages
1 7 (58.33%) JavaScript
2 6 (50.00%) SQL
3 5 (41.67%) C#
3 5 (41.67%) Java
4 1 (8.33%) PL/SQL
4 1 (8.33%) PowerShell
Qualifications
1 1 (8.33%) ISEB
Systems Management
1 1 (8.33%) AirWatch
Vendors
1 1 (8.33%) Apple
1 1 (8.33%) ATG
1 1 (8.33%) hybris