The table below looks at the statistics for TDD skills in IT contracts advertised for the Chester region. Included is a guide to the average contractor rates offered in IT contracts that have cited TDD over the 3 months to 3 September 2015 with a comparison to the same period in 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.

Location
3 months to
3 Sep 2015
Same period 2014 Same period 2013
Test-Driven Development (TDD)
Rank 24 20 15
Rank change year-on-year
-4 -5
Contract jobs citing TDD 6 5 21
As % of all contract IT jobs located in Chester 4.03% 3.47% 11.05%
As % of the Processes & Methodologies category 4.35% 4.50% 13.91%
Number of daily rates quoted 6 1 3
Average daily rate
Keep up to 90%
of your Daily Rate
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£363 £400 £375
Average daily rate % change year-on-year
-9.37% +6.66%
UK excluding London average daily rate £390 £375 £350
% change year-on-year
+4.00% +7.14%
Number of hourly rates quoted 0 1 0
Average hourly rate - £30.00 -
UK excluding London average hourly rate £42.50 £56.75 £32.50
% change year-on-year
-25.11% +74.61%
TDD
Cheshire

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

Processes & Methodologies Category
Chester
Contract IT job ads with a match in the
Processes & Methodologies category
138 111 151
As % of all contract IT jobs located in Chester 92.62% 77.08% 79.47%
Number of daily rates quoted 87 42 47
Average daily rate £375 £340 £350
Average daily rate % change year-on-year
+10.29% -2.85%
90% offered a daily rate of more than £310 £260 £225
10% offered a daily rate of more than £463 £410 £435
UK excluding London average daily rate £400 £375 £370
% change year-on-year
+6.66% +1.35%
Number of hourly rates quoted 6 15 18
Average hourly rate £27.50 £35.00 £31.56
Average hourly rate % change year-on-year
-21.42% +10.91%
UK excluding London average hourly rate £32.50 £26.98 £30.50
% change year-on-year
+20.48% -11.55%

TDD
Jobs Demand Trend in Chester

This chart provides a 3-month moving total of IT contractor jobs citing TDD across the Chester region as a proportion of the total demand within the Processes & Methodologies category.

TDD Jobs Demand Trend in Chester

TDD
Daily Rate Trend in Chester

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

TDD Daily Rate Trend in Chester

TDD
Top 30 Related IT Skills in Chester

For the 6 months to 3 September 2015, IT contractor jobs across the Chester region citing TDD also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited TDD.

1 12 (75.00%) Java
1 12 (75.00%) Agile Software Development
2 10 (62.50%) JavaScript
3 9 (56.25%) RESTful
3 9 (56.25%) SDLC
4 8 (50.00%) Pair Programming
4 8 (50.00%) Scrum
4 8 (50.00%) JSON
5 7 (43.75%) Continuous Integration
6 6 (37.50%) Configuration Management
7 5 (31.25%) QA
7 5 (31.25%) MongoDB
7 5 (31.25%) Node.js
8 4 (25.00%) Continuous Improvement
8 4 (25.00%) Cucumber
8 4 (25.00%) BDD
8 4 (25.00%) Mobile App
8 4 (25.00%) Android
8 4 (25.00%) Android Development
8 4 (25.00%) Refactoring
8 4 (25.00%) Spring
8 4 (25.00%) Requirements Management
8 4 (25.00%) SQL
8 4 (25.00%) SOAP
9 3 (18.75%) JBoss
9 3 (18.75%) HTML
9 3 (18.75%) CSS
9 3 (18.75%) E-Commerce
9 3 (18.75%) Time Management
9 3 (18.75%) Kanban

TDD
Top Related IT Skills in Chester by Category

For the 6 months to 3 September 2015, IT contractor jobs across the Chester region citing TDD also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited TDD. Up to 20 skills are shown per category.

Application Platforms
1 5 (31.25%) Node.js
2 3 (18.75%) JBoss
3 1 (6.25%) Tomcat
3 1 (6.25%) iPlanet
3 1 (6.25%) WebSphere
3 1 (6.25%) Mule
3 1 (6.25%) Elasticsearch
Cloud Services
1 1 (6.25%) Amazon AWS
Communications & Networking
1 1 (6.25%) SSL
Database & Business Intelligence
1 5 (31.25%) MongoDB
2 3 (18.75%) Apache Cassandra
2 3 (18.75%) Redis
3 1 (6.25%) Oracle Database
3 1 (6.25%) Relational Database
3 1 (6.25%) MySQL
3 1 (6.25%) SQL Server
3 1 (6.25%) Oracle Reports
3 1 (6.25%) Data Warehouse
3 1 (6.25%) Oracle Database 11g
Development Applications
1 4 (25.00%) Cucumber
2 3 (18.75%) Git (software)
2 3 (18.75%) Mocha
2 3 (18.75%) Calabash
2 3 (18.75%) Appium
3 2 (12.50%) TeamCity
3 2 (12.50%) Jenkins
4 1 (6.25%) Hudson
4 1 (6.25%) Gradle
4 1 (6.25%) Ant
4 1 (6.25%) Eclipse
4 1 (6.25%) CruiseControl
4 1 (6.25%) Maven
General
1 1 (6.25%) Finance
1 1 (6.25%) Retail
Job Titles
1 14 (87.50%) Developer
2 8 (50.00%) Java Developer
3 3 (18.75%) Mobile Developer
4 2 (12.50%) Full Stack Developer
4 2 (12.50%) Senior Developer
5 1 (6.25%) Junior
5 1 (6.25%) Analyst
5 1 (6.25%) Test Analyst
5 1 (6.25%) Android Developer
5 1 (6.25%) Java Mobile Developer
5 1 (6.25%) Oracle Developer
5 1 (6.25%) C++ Developer
5 1 (6.25%) C# Developer
5 1 (6.25%) Junior Developer
5 1 (6.25%) Junior Java Developer
5 1 (6.25%) Senior Java Developer
5 1 (6.25%) Technical Leader
5 1 (6.25%) JavaScript Developer
5 1 (6.25%) C++/C# Developer
5 1 (6.25%) Mobile Applications Developer
Libraries, Frameworks & Software Standards
1 9 (56.25%) RESTful
2 8 (50.00%) JSON
3 4 (25.00%) Spring
3 4 (25.00%) SOAP
4 3 (18.75%) HTML
4 3 (18.75%) CSS
4 3 (18.75%) AngularJS
5 2 (12.50%) jQuery
5 2 (12.50%) Hibernate
5 2 (12.50%) Web Services
5 2 (12.50%) HTML5
5 2 (12.50%) REST
5 2 (12.50%) CSS3
6 1 (6.25%) OSGi
6 1 (6.25%) Ajax
6 1 (6.25%) Apache Axis
6 1 (6.25%) XML
6 1 (6.25%) WSDL
6 1 (6.25%) JAX-RPC
6 1 (6.25%) .NET
Miscellaneous
1 4 (25.00%) Mobile App
2 2 (12.50%) Analytical Skills
3 1 (6.25%) Cryptography
3 1 (6.25%) Computer Science
Operating Systems
1 4 (25.00%) Android
2 3 (18.75%) Apple iOS
3 1 (6.25%) UNIX
3 1 (6.25%) Windows
3 1 (6.25%) Linux
Processes & Methodologies
1 12 (75.00%) Agile Software Development
2 9 (56.25%) SDLC
3 8 (50.00%) Pair Programming
3 8 (50.00%) Scrum
4 7 (43.75%) Continuous Integration
5 6 (37.50%) Configuration Management
6 4 (25.00%) Android Development
6 4 (25.00%) Requirements Management
6 4 (25.00%) Refactoring
6 4 (25.00%) BDD
6 4 (25.00%) Continuous Improvement
7 3 (18.75%) Mobile Application Development
7 3 (18.75%) Dependency Injection
7 3 (18.75%) iOS Development
7 3 (18.75%) Coaching
7 3 (18.75%) E-Commerce
7 3 (18.75%) Time Management
7 3 (18.75%) Kanban
7 3 (18.75%) Automated Testing
8 2 (12.50%) OO
Programming Languages
1 12 (75.00%) Java
2 10 (62.50%) JavaScript
3 4 (25.00%) SQL
4 2 (12.50%) C++
5 1 (6.25%) C#
5 1 (6.25%) PL/SQL
5 1 (6.25%) T-SQL
5 1 (6.25%) Shell Script
Qualifications
1 2 (12.50%) Degree
2 1 (6.25%) Security Cleared
Quality Assurance & Compliance
1 5 (31.25%) QA
Vendors
1 2 (12.50%) hybris
1 2 (12.50%) Apigee
2 1 (6.25%) Oracle
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