The following table provides summary statistics for permanent job vacancies advertised in Liverpool 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 23 June 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Merseyside / Liverpool
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 28 38 40
Rank change year-on-year +10 +2  
Permanent jobs citing TDD 28 16 15
As % of all permanent IT jobs advertised in Liverpool 7.27% 4.02% 3.57%
As % of the Processes & Methodologies category 7.89% 4.92% 4.19%
Number of salaries quoted 27 15 15
Median salary £45,000 £40,000 £45,000
Median salary % change year-on-year +12.50% -11.11%  
90% offered a salary of more than £31,500 £38,500 £42,500
10% offered a salary of more than £67,500 £40,000 £51,000
UK excluding London median salary £45,000 £45,000 £42,500
% change year-on-year - +5.88%  

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 Liverpool with a requirement for process and methodology skills.

Process & Methodology Skills
Liverpool
Permanent job vacancies with a requirement for process and methodology skills 355 325 358
As % of all permanent IT job vacancies advertised in Liverpool 92.21% 81.66% 85.24%
Number of salaries quoted 252 256 261
Median salary £40,000 £42,500 £43,500
Median salary % change year-on-year -5.88% -2.29%  
90% offered a salary of more than £30,000 £30,500 £27,000
10% offered a salary of more than £67,500 £60,000 £65,000
UK excluding London median salary £45,000 £45,000 £44,000
% change year-on-year - +2.27%  

TDD
Job Vacancy Trend in Liverpool

The job posting trend of jobs advertised in Liverpool 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 Liverpool

TDD
Salary Trend in Liverpool

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

Salary trend for TDD in Liverpool

TDD
Salary Histogram in Liverpool

The salary distribution of IT jobs citing TDD in Liverpool over the 3 months to 23 June 2017.

Salary histogram for TDD in Liverpool

For the 6 months to 23 June 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 Liverpool region with a requirement for TDD.

1 42 (91.30%) Agile Software Development
2 29 (63.04%) MVC
3 26 (56.52%) PHP
4 23 (50.00%) RESTful
5 22 (47.83%) Finance
6 21 (45.65%) JavaScript
6 21 (45.65%) Node.js
7 20 (43.48%) Software Engineering
8 19 (41.30%) Banking
8 19 (41.30%) CSS
8 19 (41.30%) HTML
8 19 (41.30%) BDD
9 18 (39.13%) .NET
10 17 (36.96%) Git (software)
11 16 (34.78%) HTML5
11 16 (34.78%) SOAP
12 15 (32.61%) MySQL
12 15 (32.61%) C#
12 15 (32.61%) Selenium
12 15 (32.61%) REST
12 15 (32.61%) Laravel
13 14 (30.43%) CSS3
13 14 (30.43%) WebDriver
13 14 (30.43%) Functional Testing
13 14 (30.43%) Selenium IDE
13 14 (30.43%) API Development
13 14 (30.43%) Zend
13 14 (30.43%) CakePHP
13 14 (30.43%) Ruby
14 13 (28.26%) SQL Server

TDD
Co-occurring 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 2 (4.35%) nginx
2 1 (2.17%) Elasticsearch
Cloud Services
1 1 (2.17%) Amazon AWS
Communications & Networking
1 8 (17.39%) Internet
Database & Business Intelligence
1 15 (32.61%) MySQL
2 13 (28.26%) NoSQL
2 13 (28.26%) SQL Server
3 8 (17.39%) SQL Server 2016
4 4 (8.70%) SQL Server 2014
5 2 (4.35%) PostgreSQL
6 1 (2.17%) MongoDB
Development Applications
1 17 (36.96%) Git (software)
2 15 (32.61%) Selenium
3 14 (30.43%) Selenium IDE
3 14 (30.43%) WebDriver
4 3 (6.52%) Cucumber
5 2 (4.35%) Bower
5 2 (4.35%) RSpec
5 2 (4.35%) Subversion
6 1 (2.17%) Jenkins
General
1 22 (47.83%) Finance
2 19 (41.30%) Banking
3 5 (10.87%) Investment Banking
4 3 (6.52%) Advertising
Job Titles
1 40 (86.96%) Developer
2 26 (56.52%) PHP Developer
3 14 (30.43%) MySQL Developer
3 14 (30.43%) PHP MySQL Developer
4 13 (28.26%) .NET Developer
5 8 (17.39%) ASP.NET Developer
5 8 (17.39%) ASP.NET MVC Developer
5 8 (17.39%) C# .NET Developer
5 8 (17.39%) C# ASP.NET Developer
5 8 (17.39%) C# Developer
6 7 (15.22%) Agile Developer
6 7 (15.22%) Lead Developer
6 7 (15.22%) Lead PHP Developer
7 3 (6.52%) Application Development Manager
7 3 (6.52%) Applications Development Manager
7 3 (6.52%) Applications Manager
7 3 (6.52%) Development Manager
7 3 (6.52%) Senior Development Manager
7 3 (6.52%) Senior Manager
8 2 (4.35%) LAMP Developer
Libraries, Frameworks & Software Standards
1 23 (50.00%) RESTful
2 21 (45.65%) Node.js
3 19 (41.30%) CSS
3 19 (41.30%) HTML
4 18 (39.13%) .NET
5 16 (34.78%) HTML5
5 16 (34.78%) SOAP
6 15 (32.61%) Laravel
6 15 (32.61%) REST
7 14 (30.43%) CakePHP
7 14 (30.43%) CSS3
8 13 (28.26%) ASP.NET
8 13 (28.26%) ASP.NET MVC
9 12 (26.09%) ASP.NET MVC 5
9 12 (26.09%) ASP.NET Web API
9 12 (26.09%) WCF
10 9 (19.57%) LAMP
11 5 (10.87%) jQuery
12 4 (8.70%) .NET Framework
12 4 (8.70%) Code First Entity Framework
Miscellaneous
1 11 (23.91%) Analytical Skills
2 8 (17.39%) Blog
2 8 (17.39%) Digital Media
3 5 (10.87%) Hedge funds
4 2 (4.35%) N-Tier
5 1 (2.17%) Computer Science
5 1 (2.17%) Greenfield Project
Operating Systems
1 4 (8.70%) Linux
2 2 (4.35%) Ubuntu
Processes & Methodologies
1 42 (91.30%) Agile Software Development
2 29 (63.04%) MVC
3 20 (43.48%) Software Engineering
4 19 (41.30%) BDD
5 14 (30.43%) API Development
5 14 (30.43%) Functional Testing
6 12 (26.09%) Open Source
6 12 (26.09%) Web Application Development
7 11 (23.91%) SDLC
8 10 (21.74%) Microservices
9 9 (19.57%) Domain-Driven Design
9 9 (19.57%) OOP
9 9 (19.57%) SOLID
10 5 (10.87%) Release Management
11 3 (6.52%) Continuous Integration
11 3 (6.52%) Kanban
11 3 (6.52%) OO
11 3 (6.52%) Performance Management
11 3 (6.52%) Scrum
11 3 (6.52%) Test Automation
Programming Languages
1 26 (56.52%) PHP
2 21 (45.65%) JavaScript
3 15 (32.61%) C#
4 14 (30.43%) Ruby
5 4 (8.70%) Java
6 2 (4.35%) C++
6 2 (4.35%) Smalltalk
6 2 (4.35%) SQL
6 2 (4.35%) VB.NET
Qualifications
1 1 (2.17%) Degree
Quality Assurance & Compliance
1 2 (4.35%) QA
Systems Management
1 2 (4.35%) Puppet
2 1 (2.17%) Ansible
Vendors
1 14 (30.43%) Zend
2 3 (6.52%) Microsoft
Liverpool
CCA Recruitment Group Ltd
Salary: £30000 - £35000 per annum
Posted: Yesterday
Liverpool, Merseyside
Dawson & Walsh
Salary: £30000 - £40000 per annum + Bonus + Pension + Benefits
Posted: 4 days ago
Liverpool
ECOM
Salary: £50000 - £55000 per annum
Posted: 10 days ago