Period
to 23 November 2017

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

Test-Driven Development (TDD)
North West > Merseyside
6 months to
23 Nov 2017
Same period 2016 Same period 2015
Rank 14 44 30
Rank change year-on-year +30 -14 -3
Permanent jobs citing TDD 108 67 61
As % of all permanent IT jobs advertised in Merseyside 10.92% 5.11% 6.55%
As % of the Processes & Methodologies category 12.07% 5.78% 7.45%
Number of salaries quoted 95 54 50
Merseyside median annual salary £50,000 £40,000 £40,000
Median salary % change year-on-year +25.00% - +6.67%
10th Percentile £31,750 £35,000 £27,500
90th Percentile £61,250 £52,500 £45,250
North West median annual salary £45,000 £42,960 £40,000
% change year-on-year +4.75% +7.40% -

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 Merseyside with a requirement for process or methodology skills.

All Process and Methodology Skills
Merseyside
Permanent vacancies with a requirement for process or methodology skills 895 1159 819
As % of all permanent IT jobs advertised in Merseyside 90.50% 88.47% 87.97%
Number of salaries quoted 674 780 611
Merseyside median annual salary £40,000 £38,625 £40,000
Median salary % change year-on-year +3.56% -3.44% -
10th Percentile £27,261 £26,250 £25,500
90th Percentile £66,175 £57,500 £64,000
North West median annual salary £42,500 £40,000 £40,000
% change year-on-year +6.25% - +1.27%

TDD
Job Vacancy Trend in Merseyside

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

Job vacancy trend for TDD in Merseyside

TDD
Salary Trend in Merseyside

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

Salary trend for TDD in Merseyside

TDD
Salary Histogram in Merseyside

The salary distribution of IT jobs citing TDD in Merseyside over the 6 months to 23 November 2017.

Salary histogram for TDD in Merseyside

TDD
Job Locations in Merseyside

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing TDD within the Merseyside region over the 6 months to 23 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Liverpool +26 59 £50,000 +25.00% 1
St Helens +7 25 £57,500 +64.29% 2
Wirral -1 8 £45,000 -10.00%
Southport - 7 £40,000 - 1
Prescot - 1 - -
TDD
North West

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

1 101 (93.52%) Agile Software Development
2 67 (62.04%) MVC
3 54 (50.00%) .NET
4 53 (49.07%) SQL Server
5 45 (41.67%) Selenium
6 40 (37.04%) JavaScript
7 38 (35.19%) Continuous Integration
8 36 (33.33%) PHP
8 36 (33.33%) C#
8 36 (33.33%) CSS
8 36 (33.33%) REST
9 35 (32.41%) BDD
9 35 (32.41%) API Development
9 35 (32.41%) HTML
9 35 (32.41%) ASP.NET
9 35 (32.41%) Software Engineering
10 34 (31.48%) Finance
11 33 (30.56%) SOAP
11 33 (30.56%) MySQL
11 33 (30.56%) Banking
11 33 (30.56%) Zend
11 33 (30.56%) CakePHP
11 33 (30.56%) WebDriver
11 33 (30.56%) ASP.NET MVC
11 33 (30.56%) HTML5
11 33 (30.56%) CSS3
11 33 (30.56%) Laravel
11 33 (30.56%) Functional Testing
11 33 (30.56%) Selenium IDE
12 29 (26.85%) SQL Server 2016

TDD
Co-occurring IT Skills in Merseyside 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 (1.85%) Elasticsearch
2 1 (0.93%) Tomcat
Cloud Services
1 13 (12.04%) Amazon AWS
2 10 (9.26%) AWS CloudFormation
3 9 (8.33%) Microsoft Azure
4 8 (7.41%) Amazon CloudWatch
4 8 (7.41%) GitHub
5 3 (2.78%) npm
6 2 (1.85%) SaaS
7 1 (0.93%) Amazon EC2
7 1 (0.93%) Amazon S3
Communications & Networking
1 17 (15.74%) Broadband
2 12 (11.11%) Internet
3 1 (0.93%) Skype
Database & Business Intelligence
1 53 (49.07%) SQL Server
2 33 (30.56%) MySQL
3 29 (26.85%) SQL Server 2016
4 14 (12.96%) NoSQL
4 14 (12.96%) SQL Server 2014
5 10 (9.26%) Big Data
6 8 (7.41%) Hadoop
7 3 (2.78%) MongoDB
8 1 (0.93%) Relational Database
Development Applications
1 45 (41.67%) Selenium
2 33 (30.56%) Selenium IDE
2 33 (30.56%) WebDriver
3 21 (19.44%) Git (software)
4 18 (16.67%) NUnit
5 17 (15.74%) MSTest
6 10 (9.26%) JUnit
6 10 (9.26%) SonarQube
7 9 (8.33%) Jenkins
7 9 (8.33%) JIRA
8 8 (7.41%) Bitbucket
9 6 (5.56%) Maven
10 5 (4.63%) Ant
10 5 (4.63%) Apache Ivy
10 5 (4.63%) Gradle
11 3 (2.78%) Bower
11 3 (2.78%) NuGet
12 2 (1.85%) Xcode
13 1 (0.93%) Eclipse
13 1 (0.93%) TeamCity
General
1 34 (31.48%) Finance
2 33 (30.56%) Banking
3 17 (15.74%) Telecoms
4 8 (7.41%) Marketing
5 6 (5.56%) Manufacturing
5 6 (5.56%) Retail
6 1 (0.93%) Legal
Job Titles
1 92 (85.19%) Developer
2 47 (43.52%) .NET Developer
3 36 (33.33%) PHP Developer
4 33 (30.56%) MySQL Developer
4 33 (30.56%) PHP MySQL Developer
5 26 (24.07%) Agile Developer
6 19 (17.59%) C# Developer
7 17 (15.74%) Telecoms Developer
8 14 (12.96%) C# .NET Developer
9 12 (11.11%) ASP.NET Developer
9 12 (11.11%) ASP.NET MVC Developer
9 12 (11.11%) C# ASP.NET Developer
10 7 (6.48%) Java Developer
10 7 (6.48%) Junior
10 7 (6.48%) Junior Developer
10 7 (6.48%) Lead Developer
10 7 (6.48%) Lead PHP Developer
11 5 (4.63%) Graduate C# Developer
11 5 (4.63%) Graduate Java Developer
11 5 (4.63%) Test Leader
Libraries, Frameworks & Software Standards
1 54 (50.00%) .NET
2 36 (33.33%) CSS
2 36 (33.33%) REST
3 35 (32.41%) ASP.NET
3 35 (32.41%) HTML
4 33 (30.56%) ASP.NET MVC
4 33 (30.56%) CakePHP
4 33 (30.56%) CSS3
4 33 (30.56%) HTML5
4 33 (30.56%) Laravel
4 33 (30.56%) SOAP
5 27 (25.00%) ASP.NET Web API
5 27 (25.00%) RESTful
6 26 (24.07%) ASP.NET MVC 5
7 17 (15.74%) Ninject
7 17 (15.74%) Spring.NET
7 17 (15.74%) Unity DI Container
7 17 (15.74%) WinForms
7 17 (15.74%) WPF
8 14 (12.96%) AngularJS
Miscellaneous
1 26 (24.07%) Greenfield Project
2 12 (11.11%) Blog
2 12 (11.11%) Digital Media
3 8 (7.41%) Digital TV
4 6 (5.56%) Life Science
5 2 (1.85%) Fintech
6 1 (0.93%) Computer Science
6 1 (0.93%) FMCG
Operating Systems
1 28 (25.93%) Windows
2 20 (18.52%) Linux
3 5 (4.63%) CentOS
3 5 (4.63%) Ubuntu
4 2 (1.85%) Apple iOS
Processes & Methodologies
1 101 (93.52%) Agile Software Development
2 67 (62.04%) MVC
3 38 (35.19%) Continuous Integration
4 35 (32.41%) API Development
4 35 (32.41%) BDD
4 35 (32.41%) Software Engineering
5 33 (30.56%) Functional Testing
6 26 (24.07%) Scrum
6 26 (24.07%) Web Application Development
7 23 (21.30%) Dependency Injection
8 18 (16.67%) Kanban
9 17 (15.74%) Inversion of Control
9 17 (15.74%) MVVM
10 13 (12.04%) DevOps
11 11 (10.19%) Test Automation
12 8 (7.41%) Requirements Management
13 7 (6.48%) Continuous Improvement
13 7 (6.48%) OO
14 6 (5.56%) Continuous Delivery
15 5 (4.63%) SDLC
Programming Languages
1 40 (37.04%) JavaScript
2 36 (33.33%) C#
2 36 (33.33%) PHP
3 18 (16.67%) VB
3 18 (16.67%) VB.NET
4 12 (11.11%) Ruby
5 8 (7.41%) Java
6 6 (5.56%) SQL
7 5 (4.63%) Bash Shell
7 5 (4.63%) Python
8 3 (2.78%) PowerShell
9 2 (1.85%) Apple Swift
9 2 (1.85%) Objective-C
10 1 (0.93%) Groovy
10 1 (0.93%) Scala
Qualifications
1 8 (7.41%) Degree
2 2 (1.85%) ISEB
2 2 (1.85%) ISTQB
3 1 (0.93%) Computer Science Degree
Quality Assurance & Compliance
1 10 (9.26%) QA
System Software
1 3 (2.78%) VMware Infrastructure
Systems Management
1 13 (12.04%) Opscode Chef
1 13 (12.04%) Puppet
2 8 (7.41%) ZABBIX
3 4 (3.70%) Ansible
Vendors
1 33 (30.56%) Zend
2 10 (9.26%) Microsoft
3 3 (2.78%) MuleSoft
3 3 (2.78%) VMware
4 1 (0.93%) Capita
4 1 (0.93%) Oracle