The table below looks at the statistics for TDD skills in IT jobs advertised for the Liverpool region. Included is a guide to the salaries offered in IT jobs that have cited TDD over the 3 months to 4 May 2016 with a comparison to the same period over the previous 2 years.

3 months to
4 May 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 20 31 29
Rank change year-on-year
+11 -2
Permanent jobs citing TDD 28 23 39
As % of all permanent IT jobs located in Liverpool 8.31% 5.44% 6.96%
As % of the Processes & Methodologies category 10.33% 6.18% 7.82%
Number of salaries quoted 26 20 36
Median salary £40,000 £45,000 £41,250
Median salary % change year-on-year
-11.11% +9.09%
90% offered a salary of more than £30,000 £33,750 £27,000
10% offered a salary of more than £40,125 £46,000 £68,750
UK excluding London median salary £44,000 £42,500 £40,000
% change year-on-year
+3.52% +6.25%
TDD
Merseyside

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

Processes & Methodologies Category
Liverpool
Permanent IT job ads with a match in the
Processes & Methodologies category
271 372 499
As % of all permanent IT jobs located in Liverpool 80.42% 87.94% 89.11%
Number of salaries quoted 213 253 436
Median salary £40,000 £45,000 £40,000
Median salary % change year-on-year
-11.11% +12.50%
90% offered a salary of more than £30,000 £27,500 £27,500
10% offered a salary of more than £60,000 £62,500 £60,000
UK excluding London median salary £45,000 £44,000 £42,500
% change year-on-year
+2.27% +3.52%

TDD
Jobs Demand Trend in Liverpool

The demand trend of job ads across the Liverpool region citing TDD as a proportion of all IT jobs with a match in the Processes & Methodologies category.

TDD Jobs Demand Trend in Liverpool

TDD
Salary Trend in Liverpool

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

TDD Salary Trend in Liverpool

TDD
Salary Histogram in Liverpool

This chart provides a salary histogram for IT jobs citing TDD across the Liverpool region over the 3 months to 4 May 2016.

TDD Salary Histogram in Liverpool

TDD
Top 30 Related IT Skills in Liverpool

For the 6 months to 4 May 2016, 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 Liverpool region with a requirement for TDD.

1 41 (89.13%) Agile Software Development
2 36 (78.26%) BDD
3 34 (73.91%) MVC
3 34 (73.91%) .NET
4 33 (71.74%) C#
5 31 (67.39%) Git (software)
6 30 (65.22%) Ruby
6 30 (65.22%) ASP.NET
7 28 (60.87%) WCF
7 28 (60.87%) ASP.NET MVC
7 28 (60.87%) Node.js
8 27 (58.70%) NoSQL
8 27 (58.70%) .NET Framework
8 27 (58.70%) SQL Server
9 26 (56.52%) RESTful
9 26 (56.52%) Entity Framework
9 26 (56.52%) Web Application Development
9 26 (56.52%) ASP.NET Web API
9 26 (56.52%) SQL Server 2014
9 26 (56.52%) ASP.NET MVC 5
9 26 (56.52%) Code First Entity Framework
10 11 (23.91%) HTML
10 11 (23.91%) JavaScript
11 10 (21.74%) Java
12 7 (15.22%) SQL
12 7 (15.22%) JIRA
12 7 (15.22%) QA
12 7 (15.22%) Test Scripting
12 7 (15.22%) Automated Testing
12 7 (15.22%) Defect Management

TDD
Top Related IT Skills in Liverpool 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 28 (60.87%) Node.js
2 2 (4.35%) CMS
2 2 (4.35%) Elasticsearch
2 2 (4.35%) Mule
2 2 (4.35%) Sitecore CMS
2 2 (4.35%) Umbraco
3 1 (2.17%) Drupal
Business Applications
1 1 (2.17%) Magento
Database & Business Intelligence
1 27 (58.70%) NoSQL
1 27 (58.70%) SQL Server
2 26 (56.52%) SQL Server 2014
3 2 (4.35%) Redis
4 1 (2.17%) Amazon DynamoDB
4 1 (2.17%) Apache Cassandra
4 1 (2.17%) MongoDB
Development Applications
1 31 (67.39%) Git (software)
2 7 (15.22%) Cucumber
2 7 (15.22%) JIRA
2 7 (15.22%) Selenium
2 7 (15.22%) WebDriver
3 4 (8.70%) Gerrit
3 4 (8.70%) Jenkins
3 4 (8.70%) JMeter
3 4 (8.70%) Mercurial
4 3 (6.52%) Selenium IDE
5 2 (4.35%) Team Foundation Server
6 1 (2.17%) Bower
6 1 (2.17%) Grunt
6 1 (2.17%) Visual Studio
General
1 4 (8.70%) Telecoms
2 3 (6.52%) Marketing
3 2 (4.35%) Advertising
4 1 (2.17%) Finance
4 1 (2.17%) Games
Job Titles
1 39 (84.78%) Developer
2 33 (71.74%) .NET Developer
3 7 (15.22%) Tester
4 6 (13.04%) Selenium Tester
5 5 (10.87%) Front End Developer (Client-Side Developer)
6 4 (8.70%) Analyst
6 4 (8.70%) JavaScript Developer
6 4 (8.70%) QA Analyst
6 4 (8.70%) QA Engineer
6 4 (8.70%) QA Test Analyst
6 4 (8.70%) QA Test Engineer
6 4 (8.70%) QA Tester
6 4 (8.70%) Test Engineer
7 3 (6.52%) Automation Tester
7 3 (6.52%) C# .NET Developer
7 3 (6.52%) C# Developer
7 3 (6.52%) Java Engineer
7 3 (6.52%) Selenium Automation Tester
7 3 (6.52%) Selenium Test Analyst
7 3 (6.52%) Test Analyst
Libraries, Frameworks & Software Standards
1 34 (73.91%) .NET
2 30 (65.22%) ASP.NET
3 28 (60.87%) ASP.NET MVC
3 28 (60.87%) WCF
4 27 (58.70%) .NET Framework
5 26 (56.52%) ASP.NET MVC 5
5 26 (56.52%) ASP.NET Web API
5 26 (56.52%) Code First Entity Framework
5 26 (56.52%) Entity Framework
5 26 (56.52%) RESTful
6 11 (23.91%) HTML
7 6 (13.04%) CSS
8 4 (8.70%) HTML5
8 4 (8.70%) jQuery
9 3 (6.52%) Web Services
10 2 (4.35%) ASP.NET Web Forms
10 2 (4.35%) CSS3
10 2 (4.35%) LINQ
10 2 (4.35%) WPF
11 1 (2.17%) Backbone.js
Miscellaneous
1 2 (4.35%) e-Learning
1 2 (4.35%) Social Network
1 2 (4.35%) User Experience
Operating Systems
1 3 (6.52%) Linux
1 3 (6.52%) Unix
2 2 (4.35%) Android
2 2 (4.35%) Apple iOS
Processes & Methodologies
1 41 (89.13%) Agile Software Development
2 36 (78.26%) BDD
3 34 (73.91%) MVC
4 26 (56.52%) Web Application Development
5 7 (15.22%) Automated Testing
5 7 (15.22%) Defect Management
5 7 (15.22%) Test Scripting
6 5 (10.87%) Front End Development
7 4 (8.70%) API Testing
7 4 (8.70%) Functional Testing
7 4 (8.70%) OO
7 4 (8.70%) OWASP
7 4 (8.70%) QA Automation
7 4 (8.70%) Regression Testing
7 4 (8.70%) Scrum
7 4 (8.70%) User Acceptance Testing
7 4 (8.70%) Web Development
7 4 (8.70%) Workflow
8 3 (6.52%) Agile Testing
8 3 (6.52%) Configuration Management
Programming Languages
1 33 (71.74%) C#
2 30 (65.22%) Ruby
3 11 (23.91%) JavaScript
4 10 (21.74%) Java
5 7 (15.22%) SQL
6 3 (6.52%) PHP
7 2 (4.35%) Clojure
8 1 (2.17%) VB.NET
Quality Assurance & Compliance
1 7 (15.22%) QA
Vendors
1 3 (6.52%) Microsoft
2 2 (4.35%) Oracle
2 2 (4.35%) Sitecore
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