Period
to 24 November 2017

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 6 months to 24 November 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Cheshire > Chester
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 19 15 16
Rank change year-on-year -4 +1 +23
Permanent jobs citing TDD 38 35 63
As % of all permanent IT jobs advertised in Chester 10.38% 12.59% 13.10%
As % of the Processes & Methodologies category 11.73% 14.23% 14.58%
Number of salaries quoted 35 30 51
Chester median annual salary £50,000 £42,500 £45,000
Median salary % change year-on-year +17.65% -5.56% +38.46%
10th Percentile £38,000 £33,250 £37,500
90th Percentile £55,000 £51,250 £52,500
Cheshire median annual salary £47,500 £40,000 £40,000
% change year-on-year +18.75% - +6.67%

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

All Process and Methodology Skills
Chester
Permanent vacancies with a requirement for process or methodology skills 324 246 432
As % of all permanent IT jobs advertised in Chester 88.52% 88.49% 89.81%
Number of salaries quoted 280 208 317
Chester median annual salary £42,500 £38,750 £45,000
Median salary % change year-on-year +9.68% -13.89% +12.50%
10th Percentile £26,000 £25,750 £23,650
90th Percentile £60,000 £58,250 £65,000
Cheshire median annual salary £45,000 £37,500 £40,000
% change year-on-year +20.00% -6.25% -

TDD
Job Vacancy Trend in Chester

Job postings citing TDD as a percentage of all IT jobs advertised in Chester.

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 6 months to 24 November 2017.

Salary histogram for TDD in Chester

For the 6 months to 24 November 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 26 (68.42%) Agile Software Development
2 25 (65.79%) BDD
3 23 (60.53%) JavaScript
4 22 (57.89%) AngularJS
5 19 (50.00%) C#
6 18 (47.37%) SQL Server
7 17 (44.74%) .NET
7 17 (44.74%) HTML
7 17 (44.74%) SQL
7 17 (44.74%) MVC
7 17 (44.74%) RESTful
8 16 (42.11%) Java
9 13 (34.21%) Node.js
10 12 (31.58%) Git (software)
11 10 (26.32%) CSS
11 10 (26.32%) SOAP
12 9 (23.68%) T-SQL
12 9 (23.68%) ASP.NET
12 9 (23.68%) Spring
12 9 (23.68%) NoSQL
12 9 (23.68%) Twitter Bootstrap
13 8 (21.05%) ASP.NET Web API
13 8 (21.05%) WCF
13 8 (21.05%) Oracle
13 8 (21.05%) Hibernate
13 8 (21.05%) JUnit
14 7 (18.42%) Web Services
14 7 (18.42%) Microsoft
14 7 (18.42%) Games
14 7 (18.42%) Ruby

TDD
Co-occurring 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 1 (2.63%) Apache
1 1 (2.63%) CMS
1 1 (2.63%) IIS
1 1 (2.63%) Tomcat
1 1 (2.63%) Umbraco
Communications & Networking
1 4 (10.53%) Internet
2 2 (5.26%) HTTP
Database & Business Intelligence
1 18 (47.37%) SQL Server
2 9 (23.68%) NoSQL
3 7 (18.42%) SQL Server 2016
4 6 (15.79%) Oracle Database
4 6 (15.79%) Oracle Database 11g
5 3 (7.89%) MongoDB
6 2 (5.26%) Relational Database
7 1 (2.63%) MySQL
Development Applications
1 12 (31.58%) Git (software)
2 8 (21.05%) JUnit
3 2 (5.26%) Bitbucket
3 2 (5.26%) Eclipse
3 2 (5.26%) Gradle
3 2 (5.26%) Jasmine
3 2 (5.26%) Jenkins
4 1 (2.63%) Cucumber
4 1 (2.63%) JMeter
4 1 (2.63%) LoadRunner
4 1 (2.63%) LoadUI
4 1 (2.63%) Maven
4 1 (2.63%) Selenium
4 1 (2.63%) SoapUI
4 1 (2.63%) Vagrant
4 1 (2.63%) Visual Studio
4 1 (2.63%) WebDriver
General
1 7 (18.42%) Games
2 1 (2.63%) Finance
2 1 (2.63%) Publishing
Job Titles
1 34 (89.47%) Developer
2 16 (42.11%) .NET Developer
3 12 (31.58%) Java Developer
4 11 (28.95%) Java Software Developer
4 11 (28.95%) Software Developer
5 7 (18.42%) C# .NET Developer
5 7 (18.42%) C# Developer
6 2 (5.26%) iOS Developer
6 2 (5.26%) Objective-C Developer
6 2 (5.26%) PHP Developer
6 2 (5.26%) Senior Developer
7 1 (2.63%) .NET Software Engineer
7 1 (2.63%) .NET Web Developer
7 1 (2.63%) Senior .NET Developer
7 1 (2.63%) Senior .NET Software Engineer
7 1 (2.63%) Senior .NET Web Developer
7 1 (2.63%) Senior ASP.NET Developer
7 1 (2.63%) Senior C# Software Engineer
7 1 (2.63%) Senior PHP Developer
7 1 (2.63%) Technical Leader
Libraries, Frameworks & Software Standards
1 22 (57.89%) AngularJS
2 17 (44.74%) .NET
2 17 (44.74%) HTML
2 17 (44.74%) RESTful
3 13 (34.21%) Node.js
4 10 (26.32%) CSS
4 10 (26.32%) SOAP
5 9 (23.68%) ASP.NET
5 9 (23.68%) Spring
5 9 (23.68%) Twitter Bootstrap
6 8 (21.05%) ASP.NET Web API
6 8 (21.05%) Hibernate
6 8 (21.05%) WCF
7 7 (18.42%) .NET Framework
7 7 (18.42%) ASP.NET MVC
7 7 (18.42%) ASP.NET MVC 5
7 7 (18.42%) Entity Framework
7 7 (18.42%) jQuery
7 7 (18.42%) KnockoutJS
7 7 (18.42%) Web Services
Miscellaneous
1 2 (5.26%) Linux Command Line
1 2 (5.26%) User Experience
2 1 (2.63%) Mobile App
Operating Systems
1 3 (7.89%) Apple iOS
1 3 (7.89%) Linux
1 3 (7.89%) Unix
2 1 (2.63%) Android
2 1 (2.63%) Windows
Processes & Methodologies
1 26 (68.42%) Agile Software Development
2 25 (65.79%) BDD
3 17 (44.74%) MVC
4 7 (18.42%) Acceptance Criteria
4 7 (18.42%) Collaborative Working
4 7 (18.42%) Continuous Improvement
4 7 (18.42%) Secure Coding
4 7 (18.42%) Software Engineering
4 7 (18.42%) Web Application Development
5 5 (13.16%) OO
6 4 (10.53%) DevOps
6 4 (10.53%) Scrum
6 4 (10.53%) Software Architecture
7 3 (7.89%) Mentoring
7 3 (7.89%) OOP
7 3 (7.89%) Test Automation
8 2 (5.26%) Configuration Management
8 2 (5.26%) E-Commerce
8 2 (5.26%) iOS Development
8 2 (5.26%) SDLC
Programming Languages
1 23 (60.53%) JavaScript
2 19 (50.00%) C#
3 17 (44.74%) SQL
4 16 (42.11%) Java
5 9 (23.68%) T-SQL
6 7 (18.42%) Ruby
7 6 (15.79%) PL/SQL
8 4 (10.53%) PHP
9 2 (5.26%) Apple Swift
9 2 (5.26%) Objective-C
10 1 (2.63%) C
Qualifications
1 4 (10.53%) Degree
2 1 (2.63%) ISEB
2 1 (2.63%) ISTQB
System Software
1 1 (2.63%) Docker
Systems Management
1 1 (2.63%) Ansible
1 1 (2.63%) Puppet
1 1 (2.63%) Salt
Vendors
1 8 (21.05%) Oracle
2 7 (18.42%) Microsoft
3 2 (5.26%) Google
3 2 (5.26%) Twitter