Period
to 22 February 2018

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 22 February 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Cheshire > Chester
6 months to
22 Feb 2018
Same period 2017 Same period 2016
Rank 20 13 17
Rank change year-on-year -7 +4 +14
Permanent jobs citing TDD 42 43 42
As % of all permanent IT jobs advertised in Chester 10.19% 15.36% 12.77%
As % of the Processes & Methodologies category 11.38% 16.86% 15.22%
Number of salaries quoted 41 39 39
Chester median annual salary £50,000 £42,500 £45,000
Median salary % change year-on-year +17.65% -5.56% +12.50%
10th Percentile £38,750 £33,250 £33,750
90th Percentile £55,000 £51,250 £54,150
Cheshire median annual salary £47,500 £42,500 £39,000
% change year-on-year +11.76% +8.97% -2.50%

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 369 255 276
As % of all permanent IT jobs advertised in Chester 89.56% 91.07% 83.89%
Number of salaries quoted 332 197 246
Chester median annual salary £42,500 £37,500 £42,500
Median salary % change year-on-year +13.33% -11.76% -
10th Percentile £26,250 £25,650 £25,000
90th Percentile £60,000 £60,000 £61,875
Cheshire median annual salary £45,000 £40,000 £40,000
% change year-on-year +12.50% - -

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 22 February 2018.

Salary histogram for TDD in Chester

For the 6 months to 22 February 2018, IT jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the Chester region with a requirement for TDD.

1 40 (95.24%) Agile Software Development
2 34 (80.95%) C#
2 34 (80.95%) .NET
3 33 (78.57%) SQL Server
4 32 (76.19%) BDD
5 30 (71.43%) RESTful
6 26 (61.90%) MVC
7 25 (59.52%) JavaScript
7 25 (59.52%) AngularJS
8 21 (50.00%) SQL
9 20 (47.62%) ASP.NET
9 20 (47.62%) Twitter Bootstrap
10 18 (42.86%) Entity Framework
10 18 (42.86%) ASP.NET MVC
10 18 (42.86%) WCF
10 18 (42.86%) KnockoutJS
10 18 (42.86%) ASP.NET Web API
10 18 (42.86%) Games
10 18 (42.86%) .NET Framework
11 17 (40.48%) Web Application Development
11 17 (40.48%) SQL Server 2016
11 17 (40.48%) ASP.NET MVC 5
11 17 (40.48%) Code First Entity Framework
11 17 (40.48%) Ruby
11 17 (40.48%) Git (software)
11 17 (40.48%) Node.js
11 17 (40.48%) NoSQL
12 15 (35.71%) T-SQL
13 14 (33.33%) SOAP
13 14 (33.33%) Web Services

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 (2.38%) Apache
1 1 (2.38%) CMS
1 1 (2.38%) IIS
1 1 (2.38%) Umbraco
Cloud Services
1 1 (2.38%) Amazon AWS
Database & Business Intelligence
1 33 (78.57%) SQL Server
2 17 (40.48%) NoSQL
2 17 (40.48%) SQL Server 2016
3 2 (4.76%) MySQL
4 1 (2.38%) MongoDB
4 1 (2.38%) Oracle Database
4 1 (2.38%) Oracle Database 11g
4 1 (2.38%) Relational Database
Development Applications
1 17 (40.48%) Git (software)
2 2 (4.76%) JUnit
3 1 (2.38%) JMeter
3 1 (2.38%) LoadRunner
3 1 (2.38%) LoadUI
3 1 (2.38%) Selenium
3 1 (2.38%) SoapUI
3 1 (2.38%) Visual Studio
3 1 (2.38%) WebDriver
General
1 18 (42.86%) Games
2 1 (2.38%) Finance
2 1 (2.38%) Legal
2 1 (2.38%) Publishing
Job Titles
1 39 (92.86%) Developer
2 32 (76.19%) .NET Developer
3 14 (33.33%) C# Developer
4 13 (30.95%) C# .NET Developer
5 3 (7.14%) PHP Developer
6 2 (4.76%) Java Developer
6 2 (4.76%) Senior Developer
6 2 (4.76%) Software Developer
7 1 (2.38%) .NET Web Developer
7 1 (2.38%) ASP.NET Developer
7 1 (2.38%) C# Software Engineer
7 1 (2.38%) Java Software Developer
7 1 (2.38%) Senior .NET Developer
7 1 (2.38%) Senior ASP.NET Developer
7 1 (2.38%) Senior C# Developer
7 1 (2.38%) Senior Software Engineer
7 1 (2.38%) Senior Web Developer
7 1 (2.38%) Software Engineer
7 1 (2.38%) Technical Leader
7 1 (2.38%) Web Developer
Libraries, Frameworks & Software Standards
1 34 (80.95%) .NET
2 30 (71.43%) RESTful
3 25 (59.52%) AngularJS
4 20 (47.62%) ASP.NET
4 20 (47.62%) Twitter Bootstrap
5 18 (42.86%) .NET Framework
5 18 (42.86%) ASP.NET MVC
5 18 (42.86%) ASP.NET Web API
5 18 (42.86%) Entity Framework
5 18 (42.86%) KnockoutJS
5 18 (42.86%) WCF
6 17 (40.48%) ASP.NET MVC 5
6 17 (40.48%) Code First Entity Framework
6 17 (40.48%) Node.js
7 14 (33.33%) SOAP
7 14 (33.33%) Web Services
8 9 (21.43%) HTML
9 5 (11.90%) CSS
9 5 (11.90%) React
10 4 (9.52%) React Native
Miscellaneous
1 5 (11.90%) Linux Command Line
2 1 (2.38%) Mobile App
Operating Systems
1 5 (11.90%) Unix
2 2 (4.76%) Windows
3 1 (2.38%) Android
3 1 (2.38%) Apple iOS
3 1 (2.38%) Linux
Processes & Methodologies
1 40 (95.24%) Agile Software Development
2 32 (76.19%) BDD
3 26 (61.90%) MVC
4 17 (40.48%) Web Application Development
5 13 (30.95%) Acceptance Criteria
5 13 (30.95%) Collaborative Working
5 13 (30.95%) Continuous Improvement
5 13 (30.95%) Secure Coding
6 6 (14.29%) Scrum
6 6 (14.29%) Software Engineering
7 4 (9.52%) OO
7 4 (9.52%) SOLID
8 3 (7.14%) Mentoring
8 3 (7.14%) OOP
9 2 (4.76%) E-Commerce
9 2 (4.76%) User Stories
10 1 (2.38%) Coaching
10 1 (2.38%) Continuous Delivery
10 1 (2.38%) Microservices
10 1 (2.38%) Test Strategy
Programming Languages
1 34 (80.95%) C#
2 25 (59.52%) JavaScript
3 21 (50.00%) SQL
4 17 (40.48%) Ruby
5 15 (35.71%) T-SQL
6 6 (14.29%) PHP
7 3 (7.14%) Java
8 1 (2.38%) PL/SQL
Qualifications
1 1 (2.38%) ISEB
1 1 (2.38%) ISTQB
System Software
1 1 (2.38%) Docker
Vendors
1 14 (33.33%) Microsoft
2 4 (9.52%) Google
2 4 (9.52%) Twitter
3 1 (2.38%) Oracle