The following table provides summary statistics for permanent job vacancies advertised in Chester with a requirement for TDD skills. Included is a benchmarking guide to the salaries 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.

3 months to
25 Mar 2017
Same period 2016 Same period 2015
Test-Driven Development (TDD)
Cheshire / Chester
Rank 17 18 20
Rank change year-on-year +1 +2  
Permanent jobs citing TDD 12 15 9
As % of all permanent IT jobs advertised in Chester 8.76% 9.49% 5.49%
As % of the Processes & Methodologies category 9.92% 10.95% 6.29%
Number of salaries quoted 12 14 7
Median salary £44,750 £45,000 £40,000
Median salary % change year-on-year -0.55% +12.50%  
UK excluding London median salary £45,000 £45,000 £40,000
% change year-on-year - +12.50%  

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

Process & Methodology Skills
Chester
Permanent job vacancies with a requirement for process and methodology skills 121 137 143
As % of all permanent IT job vacancies advertised in Chester 88.32% 86.71% 87.20%
Number of salaries quoted 104 119 99
Median salary £38,000 £40,000 £40,000
Median salary % change year-on-year -5.00% -  
90% offered a salary of more than £29,000 £27,000 £25,000
10% offered a salary of more than £57,500 £50,000 £50,000
UK excluding London median salary £45,000 £45,000 £43,000
% change year-on-year - +4.65%  

TDD
Job Vacancy Trend in Chester

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

Job vacancy trend for TDD in Chester

TDD
Salary Trend in Chester

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing TDD in Chester.

Salary trend for TDD in Chester

TDD
Salary Histogram in Chester

The salary distribution of IT jobs citing TDD in Chester over the 3 months to 25 March 2017.

Salary histogram for TDD in Chester

TDD
Top 30 Related IT Skills in Chester

For the 6 months to 25 March 2017, IT jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Chester region with a requirement for TDD.

1 31 (88.57%) Agile Software Development
2 27 (77.14%) Java
3 22 (62.86%) Spring
4 20 (57.14%) Hibernate
5 13 (37.14%) MVC
6 12 (34.29%) SQL
6 12 (34.29%) Unit Testing
6 12 (34.29%) AngularJS
7 9 (25.71%) Software Engineering
7 9 (25.71%) JavaScript
8 8 (22.86%) C#
8 8 (22.86%) Oracle
8 8 (22.86%) MongoDB
9 7 (20.00%) Spring Integration
9 7 (20.00%) Spring MVC
9 7 (20.00%) SOAP
9 7 (20.00%) HTML
9 7 (20.00%) .NET
10 6 (17.14%) ASP.NET
10 6 (17.14%) PL/SQL
10 6 (17.14%) Oracle Database 11g
10 6 (17.14%) iBATIS
10 6 (17.14%) Oracle Database
11 5 (14.29%) REST
11 5 (14.29%) BDD
11 5 (14.29%) Scrum
11 5 (14.29%) OO
12 4 (11.43%) Degree
13 3 (8.57%) Computer Science
13 3 (8.57%) jQuery

TDD
Top Related IT Skills in Chester 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 (5.71%) GlassFish
1 2 (5.71%) JBoss
1 2 (5.71%) Tomcat
1 2 (5.71%) WebLogic
1 2 (5.71%) WebSphere
Applications
1 3 (8.57%) MS Excel
Cloud Services
1 1 (2.86%) Microsoft Azure
Database & Business Intelligence
1 8 (22.86%) MongoDB
2 6 (17.14%) Oracle Database
2 6 (17.14%) Oracle Database 11g
3 3 (8.57%) Big Data
3 3 (8.57%) Relational Database
3 3 (8.57%) SQL Server
4 2 (5.71%) Hadoop
4 2 (5.71%) NoSQL
5 1 (2.86%) Apache Cassandra
Development Applications
1 3 (8.57%) JUnit
2 2 (5.71%) Git (software)
2 2 (5.71%) Jenkins
2 2 (5.71%) Selenium
3 1 (2.86%) Atlassian Bamboo
3 1 (2.86%) JIRA
3 1 (2.86%) Maven
3 1 (2.86%) Moq
3 1 (2.86%) NUnit
3 1 (2.86%) Subversion
3 1 (2.86%) Team Foundation Server
3 1 (2.86%) TeamCity
3 1 (2.86%) WebDriver
General
1 3 (8.57%) Finance
2 1 (2.86%) Manufacturing
2 1 (2.86%) Marketing
2 1 (2.86%) Retail
Job Titles
1 29 (82.86%) Developer
2 23 (65.71%) Java Developer
3 6 (17.14%) Software Developer
4 3 (8.57%) .NET Developer
4 3 (8.57%) C# Developer
4 3 (8.57%) Java Software Developer
4 3 (8.57%) Senior Developer
5 2 (5.71%) C# Software Developer
5 2 (5.71%) Senior Test Automation Engineer
5 2 (5.71%) Senior Test Engineer
5 2 (5.71%) Software Engineer
5 2 (5.71%) Test Automation Engineer
5 2 (5.71%) Test Engineer
6 1 (2.86%) .NET Software Developer
6 1 (2.86%) C# .NET Developer
6 1 (2.86%) C# WPF Developer
6 1 (2.86%) Java Team Leader
6 1 (2.86%) Senior C# Software Developer
6 1 (2.86%) Software QA Tester
6 1 (2.86%) WPF Developer
Libraries, Frameworks & Software Standards
1 22 (62.86%) Spring
2 20 (57.14%) Hibernate
3 12 (34.29%) AngularJS
4 7 (20.00%) .NET
4 7 (20.00%) HTML
4 7 (20.00%) SOAP
4 7 (20.00%) Spring Integration
4 7 (20.00%) Spring MVC
5 6 (17.14%) ASP.NET
5 6 (17.14%) iBATIS
6 5 (14.29%) REST
7 3 (8.57%) ASP.NET Web API
7 3 (8.57%) jQuery
7 3 (8.57%) Struts
7 3 (8.57%) WCF
7 3 (8.57%) Web Services
8 2 (5.71%) J2EE
8 2 (5.71%) JPA
8 2 (5.71%) JSTL
8 2 (5.71%) SAML
Miscellaneous
1 3 (8.57%) Computer Science
1 3 (8.57%) Fintech
2 2 (5.71%) Client/Server
3 1 (2.86%) Analytical Skills
3 1 (2.86%) User Experience
Operating Systems
1 1 (2.86%) Linux
Processes & Methodologies
1 31 (88.57%) Agile Software Development
2 13 (37.14%) MVC
3 12 (34.29%) Unit Testing
4 9 (25.71%) Software Engineering
5 5 (14.29%) BDD
5 5 (14.29%) OO
5 5 (14.29%) Scrum
6 3 (8.57%) Configuration Management
6 3 (8.57%) Test Scripting
7 2 (5.71%) E-Commerce
7 2 (5.71%) Mathematics
7 2 (5.71%) OOD
7 2 (5.71%) OOP
7 2 (5.71%) Open Source
7 2 (5.71%) RAD
7 2 (5.71%) RUP
7 2 (5.71%) SOA
7 2 (5.71%) Test Automation
7 2 (5.71%) UML
7 2 (5.71%) Validation
Programming Languages
1 27 (77.14%) Java
2 12 (34.29%) SQL
3 9 (25.71%) JavaScript
4 8 (22.86%) C#
5 6 (17.14%) PL/SQL
6 1 (2.86%) PHP
6 1 (2.86%) T-SQL
6 1 (2.86%) XAML
Qualifications
1 4 (11.43%) Degree
Quality Assurance & Compliance
1 1 (2.86%) QA
System Software
1 1 (2.86%) Docker
Systems Management
1 1 (2.86%) Puppet
Vendors
1 8 (22.86%) Oracle
2 3 (8.57%) Microsoft
3 2 (5.71%) hybris
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