Period
to 20 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Leicester 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 20 November 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Leicestershire > Leicester
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 42 50 36
Rank change year-on-year +8 -14 0
Permanent jobs citing TDD 24 44 46
As % of all permanent IT jobs advertised in Leicester 4.30% 5.30% 5.58%
As % of the Processes & Methodologies category 4.75% 6.02% 6.22%
Number of salaries quoted 23 45 52
Leicester median annual salary £40,000 £40,000 £42,500
Median salary % change year-on-year - -5.88% +21.43%
10th Percentile £26,950 £29,000 £27,725
90th Percentile £57,500 £52,500 £47,500
Leicestershire median annual salary £40,000 £45,000 £40,000
% change year-on-year -11.11% +12.50% +14.29%

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 Leicester with a requirement for process or methodology skills.

All Process and Methodology Skills
Leicester
Permanent vacancies with a requirement for process or methodology skills 505 731 740
As % of all permanent IT jobs advertised in Leicester 90.50% 88.07% 89.70%
Number of salaries quoted 460 673 619
Leicester median annual salary £37,750 £42,500 £40,000
Median salary % change year-on-year -11.18% +6.25% -
10th Percentile £25,000 £26,750 £21,500
90th Percentile £56,250 £55,000 £58,750
Leicestershire median annual salary £39,000 £42,500 £40,000
% change year-on-year -8.24% +6.25% -

TDD
Job Vacancy Trend in Leicester

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

Job vacancy trend for TDD in Leicester

TDD
Salary Trend in Leicester

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

Salary trend for TDD in Leicester

TDD
Salary Histogram in Leicester

The salary distribution of IT jobs citing TDD in Leicester over the 6 months to 20 November 2017.

Salary histogram for TDD in Leicester

For the 6 months to 20 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 Leicester region with a requirement for TDD.

1 23 (95.83%) Agile Software Development
2 19 (79.17%) JavaScript
3 15 (62.50%) BDD
4 14 (58.33%) CSS
4 14 (58.33%) Java
5 13 (54.17%) HTML
6 12 (50.00%) Finance
6 12 (50.00%) CSS3
7 11 (45.83%) PHP
7 11 (45.83%) .NET
8 10 (41.67%) AngularJS
9 7 (29.17%) OOP
9 7 (29.17%) JSON
9 7 (29.17%) JIRA
9 7 (29.17%) HTML5
9 7 (29.17%) REST
9 7 (29.17%) Web Development
9 7 (29.17%) jQuery
9 7 (29.17%) Continuous Integration
9 7 (29.17%) Git (software)
10 6 (25.00%) Digital Marketing
10 6 (25.00%) Kanban
10 6 (25.00%) Unit Testing
10 6 (25.00%) Ruby on Rails
10 6 (25.00%) Marketing
10 6 (25.00%) Software Engineering
10 6 (25.00%) Ruby
10 6 (25.00%) Programme Management
10 6 (25.00%) Python
10 6 (25.00%) SAP

TDD
Co-occurring IT Skills in Leicester 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 3 (12.50%) Confluence
2 2 (8.33%) OpenEdge
Applications
1 3 (12.50%) HipChat
Database & Business Intelligence
1 4 (16.67%) MySQL
Development Applications
1 7 (29.17%) Git (software)
1 7 (29.17%) JIRA
2 4 (16.67%) Jenkins
2 4 (16.67%) Maven
2 4 (16.67%) PHPUnit
2 4 (16.67%) Redmine
3 3 (12.50%) Calabash
3 3 (12.50%) Cucumber
3 3 (12.50%) GitLab
3 3 (12.50%) Sonatype Nexus
3 3 (12.50%) Subversion
4 1 (4.17%) jMock
4 1 (4.17%) JUnit
4 1 (4.17%) Mockito
General
1 12 (50.00%) Finance
2 6 (25.00%) Electronics
2 6 (25.00%) Manufacturing
2 6 (25.00%) Marketing
2 6 (25.00%) Telecoms
3 1 (4.17%) Advertising
Job Titles
1 21 (87.50%) Developer
2 10 (41.67%) PHP Developer
3 9 (37.50%) .NET Developer
4 8 (33.33%) Software Developer
5 6 (25.00%) .NET Software Developer
5 6 (25.00%) Ruby on Rails Developer
5 6 (25.00%) Senior Developer
6 5 (20.83%) Java Developer
6 5 (20.83%) JavaScript Developer
7 4 (16.67%) MySQL Developer
7 4 (16.67%) PHP Laravel Developer
7 4 (16.67%) PHP MySQL Developer
7 4 (16.67%) PHP Symfony Developer
7 4 (16.67%) PHP Zend Developer
7 4 (16.67%) Senior JavaScript Developer
7 4 (16.67%) Senior MySQL Developer
7 4 (16.67%) Senior PHP Developer
7 4 (16.67%) Senior PHP Zend Developer
7 4 (16.67%) Symfony Developer
8 3 (12.50%) ASP.NET MVC Developer
Libraries, Frameworks & Software Standards
1 14 (58.33%) CSS
2 13 (54.17%) HTML
3 12 (50.00%) CSS3
4 11 (45.83%) .NET
5 10 (41.67%) AngularJS
6 7 (29.17%) HTML5
6 7 (29.17%) jQuery
6 7 (29.17%) JSON
6 7 (29.17%) REST
7 6 (25.00%) Ruby on Rails
8 5 (20.83%) ASP.NET
9 4 (16.67%) Ajax
9 4 (16.67%) LAMP
9 4 (16.67%) Laravel
9 4 (16.67%) Node.js
9 4 (16.67%) SOAP
9 4 (16.67%) Spring
9 4 (16.67%) Symfony
10 3 (12.50%) ASP.NET MVC
10 3 (12.50%) OAuth
Miscellaneous
1 4 (16.67%) Computer Science
2 3 (12.50%) Mobile App
Operating Systems
1 4 (16.67%) Linux
2 3 (12.50%) Android
Processes & Methodologies
1 23 (95.83%) Agile Software Development
2 15 (62.50%) BDD
3 7 (29.17%) Continuous Integration
3 7 (29.17%) OOP
3 7 (29.17%) Web Development
4 6 (25.00%) Business Intelligence
4 6 (25.00%) Digital Marketing
4 6 (25.00%) Kanban
4 6 (25.00%) Programme Management
4 6 (25.00%) Software Engineering
4 6 (25.00%) Unit Testing
5 4 (16.67%) API Development
5 4 (16.67%) MVC
5 4 (16.67%) OOD
6 3 (12.50%) E-Commerce
6 3 (12.50%) Mentoring
6 3 (12.50%) Microservices
6 3 (12.50%) Mobile Development
6 3 (12.50%) Scrum
6 3 (12.50%) SOA
Programming Languages
1 19 (79.17%) JavaScript
2 14 (58.33%) Java
3 11 (45.83%) PHP
4 6 (25.00%) Python
4 6 (25.00%) Ruby
5 5 (20.83%) C#
6 2 (8.33%) SQL
Qualifications
1 4 (16.67%) Computer Science Degree
1 4 (16.67%) Degree
Quality Assurance & Compliance
1 1 (4.17%) QA
System Software
1 3 (12.50%) Docker
Vendors
1 6 (25.00%) SAP
2 4 (16.67%) Zend
3 2 (8.33%) Apigee
3 2 (8.33%) IBM
3 2 (8.33%) MuleSoft
3 2 (8.33%) Oracle
3 2 (8.33%) Progress
3 2 (8.33%) WSO2