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 18 January 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
18 Jan 2017
Same period 2016 Same period 2015
Test-Driven Development (TDD)
Cheshire / Warrington
Rank 13 31 33
Rank change year-on-year
+18 +2
Contract jobs citing TDD 6 6 6
As % of all contract IT jobs located in Warrington 4.55% 1.95% 2.63%
As % of the Processes & Methodologies category 5.94% 2.33% 3.13%
Number of daily rates quoted 3 3 4
Median daily rate £450 £325 £350
Median daily rate % change year-on-year
+38.46% -7.14%
UK excluding London median daily rate £423 £400 £375
% change year-on-year
+5.62% +6.66%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £36.51 £38.00 £38.25
% change year-on-year
-3.92% -0.65%

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
101 257 192
As % of all contract IT jobs located in Warrington 76.52% 83.71% 84.21%
Number of daily rates quoted 74 171 104
Median daily rate £400 £515 £385
Median daily rate % change year-on-year
-22.33% +33.76%
90% offered a daily rate of more than £130 £325 £275
10% offered a daily rate of more than £600 £700 £500
UK excluding London median daily rate £410 £400 £390
% change year-on-year
+2.50% +2.56%
Number of hourly rates quoted 1 5 3
Median hourly rate £18.00 £18.00 £10.00
Median hourly rate % change year-on-year
- +80.00%
UK excluding London median hourly rate £34.75 £39.00 £25.50
% change year-on-year
-10.89% +52.94%

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
Top 30 Related IT Skills in Warrington

For the 6 months to 18 January 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 10 (58.82%) SQL
1 10 (58.82%) Agile Software Development
1 10 (58.82%) BDD
2 7 (41.18%) Software Engineering
3 6 (35.29%) JavaScript
4 5 (29.41%) C#
4 5 (29.41%) Scrum
4 5 (29.41%) Java
4 5 (29.41%) Cucumber
4 5 (29.41%) Node.js
4 5 (29.41%) Git (software)
5 4 (23.53%) Continuous Integration
5 4 (23.53%) REST
5 4 (23.53%) MongoDB
5 4 (23.53%) NoSQL
5 4 (23.53%) Open Source
5 4 (23.53%) Confluence
5 4 (23.53%) Microservices
5 4 (23.53%) SFIA
5 4 (23.53%) Slack
5 4 (23.53%) PostgreSQL
5 4 (23.53%) JIRA
5 4 (23.53%) .NET
5 4 (23.53%) MySQL
5 4 (23.53%) SQL Server
6 3 (17.65%) PL/SQL
6 3 (17.65%) Selenium
6 3 (17.65%) Unit Testing
6 3 (17.65%) Data Management
6 3 (17.65%) Analytical Skills

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 4 (23.53%) Confluence
2 2 (11.76%) CMS
3 1 (5.88%) Umbraco
Cloud Services
1 4 (23.53%) Slack
2 1 (5.88%) Microsoft Azure
Database & Business Intelligence
1 4 (23.53%) MongoDB
1 4 (23.53%) MySQL
1 4 (23.53%) NoSQL
1 4 (23.53%) PostgreSQL
1 4 (23.53%) SQL Server
2 2 (11.76%) Oracle Database
2 2 (11.76%) Oracle Database 10g
2 2 (11.76%) Oracle Database 11g
2 2 (11.76%) Oracle Database 12c
2 2 (11.76%) SQL Server Analysis Services
2 2 (11.76%) SQL Server Integration Services
2 2 (11.76%) SQL Server Reporting Services
3 1 (5.88%) Microsoft Analysis Services
3 1 (5.88%) SQL Server 2012
3 1 (5.88%) SQL Server 2014
Development Applications
1 5 (29.41%) Cucumber
1 5 (29.41%) Git (software)
2 4 (23.53%) JIRA
3 3 (17.65%) Selenium
4 2 (11.76%) Team Foundation Server
5 1 (5.88%) Bitbucket
5 1 (5.88%) MSBuild
5 1 (5.88%) Octopus Deploy
5 1 (5.88%) TeamCity
5 1 (5.88%) Toad
General
1 2 (11.76%) Banking
1 2 (11.76%) Finance
Job Titles
1 7 (41.18%) Developer
1 7 (41.18%) Software Engineer
2 5 (29.41%) Lead Software Engineer
2 5 (29.41%) SQL Developer
3 3 (17.65%) PL/SQL Developer
3 3 (17.65%) Principal Engineer
3 3 (17.65%) Principal Software Engineer
4 2 (11.76%) .NET Developer
4 2 (11.76%) ASP.NET Developer
4 2 (11.76%) C# .NET Developer
4 2 (11.76%) C# ASP.NET Developer
4 2 (11.76%) C# Developer
4 2 (11.76%) Oracle Developer
4 2 (11.76%) SSIS Developer
4 2 (11.76%) T-SQL Developer
5 1 (5.88%) ASP.NET MVC Developer
5 1 (5.88%) Developer/Software Engineer
5 1 (5.88%) Senior C# ASP.NET Developer
5 1 (5.88%) SSAS Developer
5 1 (5.88%) Web Applications Engineer
Libraries, Frameworks & Software Standards
1 5 (29.41%) Node.js
2 4 (23.53%) .NET
2 4 (23.53%) REST
3 3 (17.65%) AngularJS
4 2 (11.76%) .NET Framework
4 2 (11.76%) ASP.NET
4 2 (11.76%) CSS
4 2 (11.76%) Entity Framework
4 2 (11.76%) HTML
4 2 (11.76%) jQuery
5 1 (5.88%) ASP.NET MVC
5 1 (5.88%) ASP.NET Web API
5 1 (5.88%) ASP.NET Web Forms
5 1 (5.88%) CSS3
5 1 (5.88%) HTML5
5 1 (5.88%) JSON
5 1 (5.88%) NHibernate
5 1 (5.88%) RESTful
5 1 (5.88%) Spring
5 1 (5.88%) WCF
Miscellaneous
1 3 (17.65%) Analytical Skills
2 2 (11.76%) Replication
Operating Systems
1 1 (5.88%) Linux
Processes & Methodologies
1 10 (58.82%) Agile Software Development
1 10 (58.82%) BDD
2 7 (41.18%) Software Engineering
3 5 (29.41%) Scrum
4 4 (23.53%) Continuous Integration
4 4 (23.53%) Microservices
4 4 (23.53%) Open Source
4 4 (23.53%) SFIA
5 3 (17.65%) Data Management
5 3 (17.65%) Performance Tuning
5 3 (17.65%) Unit Testing
6 2 (11.76%) Automated Testing
6 2 (11.76%) Coaching
6 2 (11.76%) Content Management
6 2 (11.76%) Database Tuning
6 2 (11.76%) DevOps
6 2 (11.76%) Disaster Recovery
6 2 (11.76%) Mentoring
6 2 (11.76%) Project Management
6 2 (11.76%) Regression Testing
Programming Languages
1 10 (58.82%) SQL
2 6 (35.29%) JavaScript
3 5 (29.41%) C#
3 5 (29.41%) Java
4 3 (17.65%) PL/SQL
5 2 (11.76%) T-SQL
6 1 (5.88%) PowerShell
Qualifications
1 1 (5.88%) BPSS Clearance
1 1 (5.88%) Security Cleared
Quality Assurance & Compliance
1 1 (5.88%) Disclosure Scotland
Vendors
1 2 (11.76%) Oracle
2 1 (5.88%) ATG
2 1 (5.88%) hybris