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 30 August 2016 with a comparison to the same period over the previous 2 years.

3 months to
30 Aug 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 46 26 29
Rank change year-on-year
-20 +3
Permanent jobs citing TDD 17 20 26
As % of all permanent IT jobs located in Liverpool 3.46% 6.25% 5.69%
As % of the Processes & Methodologies category 3.93% 7.43% 6.74%
Number of salaries quoted 16 19 26
Median salary £40,000 £40,000 £40,000
UK excluding London median salary £45,000 £42,500 £40,000
% change year-on-year
+5.88% +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
433 269 386
As % of all permanent IT jobs located in Liverpool 88.19% 84.06% 84.46%
Number of salaries quoted 304 217 321
Median salary £40,000 £43,500 £40,000
Median salary % change year-on-year
-8.04% +8.75%
90% offered a salary of more than £30,000 £27,000 £29,000
10% offered a salary of more than £64,500 £57,500 £70,000
UK excluding London median salary £45,000 £45,000 £42,500
% change year-on-year
- +5.88%

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 30 August 2016.

TDD Salary Histogram in Liverpool

TDD
Top 30 Related IT Skills in Liverpool

For the 6 months to 30 August 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 34 (91.89%) Agile Software Development
2 30 (81.08%) .NET
2 30 (81.08%) BDD
3 29 (78.38%) Git (software)
3 29 (78.38%) C#
3 29 (78.38%) MVC
4 28 (75.68%) SQL Server
4 28 (75.68%) NoSQL
5 27 (72.97%) Node.js
5 27 (72.97%) WCF
5 27 (72.97%) ASP.NET
5 27 (72.97%) Ruby
5 27 (72.97%) .NET Framework
6 26 (70.27%) RESTful
6 26 (70.27%) ASP.NET MVC
6 26 (70.27%) Entity Framework
6 26 (70.27%) Web Application Development
6 26 (70.27%) ASP.NET Web API
6 26 (70.27%) SQL Server 2014
6 26 (70.27%) ASP.NET MVC 5
6 26 (70.27%) Code First Entity Framework
7 7 (18.92%) Java
7 7 (18.92%) JavaScript
7 7 (18.92%) SQL
8 6 (16.22%) HTML
8 6 (16.22%) CSS
9 3 (8.11%) jQuery
9 3 (8.11%) Twitter Bootstrap
9 3 (8.11%) Web Services
9 3 (8.11%) Visual Studio

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 1 (2.70%) Apache
1 1 (2.70%) BizTalk Server
1 1 (2.70%) Drupal
1 1 (2.70%) Elasticsearch
1 1 (2.70%) JBoss
1 1 (2.70%) Mule
1 1 (2.70%) SharePoint
1 1 (2.70%) Tomcat
Business Applications
1 1 (2.70%) Magento
Cloud Services
1 2 (5.41%) Amazon AWS
1 2 (5.41%) Amazon EC2
1 2 (5.41%) Amazon S3
1 2 (5.41%) GitHub
2 1 (2.70%) Microsoft Azure
Database & Business Intelligence
1 28 (75.68%) NoSQL
1 28 (75.68%) SQL Server
2 26 (70.27%) SQL Server 2014
3 2 (5.41%) SQLite
4 1 (2.70%) Amazon DynamoDB
4 1 (2.70%) Apache Cassandra
4 1 (2.70%) MongoDB
4 1 (2.70%) MySQL
4 1 (2.70%) Redis
Development Applications
1 29 (78.38%) Git (software)
2 3 (8.11%) Visual Studio
3 2 (5.41%) Bitbucket
3 2 (5.41%) Cucumber
3 2 (5.41%) Jenkins
3 2 (5.41%) JIRA
3 2 (5.41%) Selenium
3 2 (5.41%) WebDriver
4 1 (2.70%) Bower
4 1 (2.70%) Gerrit
4 1 (2.70%) Grunt
4 1 (2.70%) JMeter
4 1 (2.70%) Mercurial
4 1 (2.70%) Selenium IDE
4 1 (2.70%) Team Foundation Server
General
1 2 (5.41%) Finance
1 2 (5.41%) Telecoms
2 1 (2.70%) Advertising
2 1 (2.70%) Games
2 1 (2.70%) Marketing
2 1 (2.70%) Retail
Job Titles
1 35 (94.59%) Developer
2 29 (78.38%) .NET Developer
3 4 (10.81%) Java Developer
4 2 (5.41%) C# .NET Developer
4 2 (5.41%) C# Developer
4 2 (5.41%) Front End Developer (Client-Side Developer)
4 2 (5.41%) Selenium Tester
4 2 (5.41%) Tester
5 1 (2.70%) Agile Test Analyst
5 1 (2.70%) Developer/Software Engineer
5 1 (2.70%) Front End Web Developer (Client-Side Developer)
5 1 (2.70%) Full Stack Developer
5 1 (2.70%) Full Stack Web Developer
5 1 (2.70%) JavaScript Engineer
5 1 (2.70%) Node.js Developer
5 1 (2.70%) QA Analyst
5 1 (2.70%) QA Test Engineer
5 1 (2.70%) Selenium Automation Tester
5 1 (2.70%) Selenium Test Analyst
5 1 (2.70%) Web Engineer
Libraries, Frameworks & Software Standards
1 30 (81.08%) .NET
2 27 (72.97%) .NET Framework
2 27 (72.97%) ASP.NET
2 27 (72.97%) Node.js
2 27 (72.97%) WCF
3 26 (70.27%) ASP.NET MVC
3 26 (70.27%) ASP.NET MVC 5
3 26 (70.27%) ASP.NET Web API
3 26 (70.27%) Code First Entity Framework
3 26 (70.27%) Entity Framework
3 26 (70.27%) RESTful
4 6 (16.22%) CSS
4 6 (16.22%) HTML
5 3 (8.11%) jQuery
5 3 (8.11%) Spring
5 3 (8.11%) Twitter Bootstrap
5 3 (8.11%) Web Services
6 2 (5.41%) AngularJS
6 2 (5.41%) Hibernate
6 2 (5.41%) HTML5
Miscellaneous
1 2 (5.41%) Mobile App
2 1 (2.70%) e-Learning
2 1 (2.70%) Social Network
Operating Systems
1 1 (2.70%) Android
1 1 (2.70%) Apple iOS
1 1 (2.70%) Linux
1 1 (2.70%) Unix
1 1 (2.70%) Windows
Processes & Methodologies
1 34 (91.89%) Agile Software Development
2 30 (81.08%) BDD
3 29 (78.38%) MVC
4 26 (70.27%) Web Application Development
5 3 (8.11%) Scrum
5 3 (8.11%) Workflow
6 2 (5.41%) Automated Testing
6 2 (5.41%) Defect Management
6 2 (5.41%) DevOps
6 2 (5.41%) Front End Development
6 2 (5.41%) OO
6 2 (5.41%) Test Scripting
7 1 (2.70%) API Testing
7 1 (2.70%) Continuous Deployment
7 1 (2.70%) Continuous Integration
7 1 (2.70%) Digital Marketing
7 1 (2.70%) Kanban
7 1 (2.70%) Mobile Development
7 1 (2.70%) QA Automation
7 1 (2.70%) SDLC
Programming Languages
1 29 (78.38%) C#
2 27 (72.97%) Ruby
3 7 (18.92%) Java
3 7 (18.92%) JavaScript
3 7 (18.92%) SQL
4 2 (5.41%) VB.NET
5 1 (2.70%) Clojure
5 1 (2.70%) PHP
5 1 (2.70%) T-SQL
Quality Assurance & Compliance
1 2 (5.41%) QA
Vendors
1 2 (5.41%) Oracle
2 1 (2.70%) Microsoft