Period
to 24 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Gloucester 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 24 November 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Gloucestershire > Gloucester
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 40 71 52
Rank change year-on-year +31 -19 -18
Permanent jobs citing TDD 9 7 16
As % of all permanent IT jobs advertised in Gloucester 2.87% 1.11% 2.87%
As % of the Processes & Methodologies category 3.30% 1.29% 3.26%
Number of salaries quoted 8 6 16
Gloucester median annual salary £46,250 £45,000 £50,000
Median salary % change year-on-year +2.78% -10.00% +25.00%
10th Percentile £37,575 £35,375 £30,625
90th Percentile £56,250 £57,500 £71,250
Gloucestershire median annual salary £45,000 £47,500 £45,000
% change year-on-year -5.26% +5.56% -

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 Gloucester with a requirement for process or methodology skills.

All Process and Methodology Skills
Gloucester
Permanent vacancies with a requirement for process or methodology skills 273 542 491
As % of all permanent IT jobs advertised in Gloucester 86.94% 86.31% 87.99%
Number of salaries quoted 235 510 443
Gloucester median annual salary £45,000 £40,000 £40,000
Median salary % change year-on-year +12.50% - -
10th Percentile £30,100 £25,000 £26,250
90th Percentile £65,000 £57,500 £63,000
Gloucestershire median annual salary £45,000 £42,500 £42,500
% change year-on-year +5.88% - +6.25%

TDD
Job Vacancy Trend in Gloucester

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

Job vacancy trend for TDD in Gloucester

TDD
Salary Trend in Gloucester

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

Salary trend for TDD in Gloucester

TDD
Salary Histogram in Gloucester

The salary distribution of IT jobs citing TDD in Gloucester over the 6 months to 24 November 2017.

Salary histogram for TDD in Gloucester

For the 6 months to 24 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 Gloucester region with a requirement for TDD.

1 7 (77.78%) Agile Software Development
1 7 (77.78%) PHP
2 6 (66.67%) Java
3 5 (55.56%) OO
4 4 (44.44%) Scrum
4 4 (44.44%) Python
4 4 (44.44%) JavaScript
4 4 (44.44%) Unit Testing
5 3 (33.33%) Test Automation
5 3 (33.33%) jQuery
5 3 (33.33%) MySQL
5 3 (33.33%) OOP
6 2 (22.22%) SQL
6 2 (22.22%) OOD
6 2 (22.22%) SQL Server
6 2 (22.22%) CSS
6 2 (22.22%) C++
6 2 (22.22%) HTML
6 2 (22.22%) Spring
6 2 (22.22%) Software Engineering
6 2 (22.22%) Collaborative Working
6 2 (22.22%) WebDriver
6 2 (22.22%) Atlassian Bamboo
6 2 (22.22%) Continuous Integration
6 2 (22.22%) Kanban
6 2 (22.22%) Security Cleared
6 2 (22.22%) Git (software)
6 2 (22.22%) JIRA
6 2 (22.22%) Selenium
6 2 (22.22%) BDD

TDD
Co-occurring IT Skills in Gloucester 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:

Cloud Services
1 1 (11.11%) OpenShift
Database & Business Intelligence
1 3 (33.33%) MySQL
2 2 (22.22%) SQL Server
3 1 (11.11%) Big Data
3 1 (11.11%) NoSQL
Development Applications
1 2 (22.22%) Atlassian Bamboo
1 2 (22.22%) Git (software)
1 2 (22.22%) JIRA
1 2 (22.22%) Selenium
1 2 (22.22%) WebDriver
General
1 1 (11.11%) Finance
Job Titles
1 8 (88.89%) Developer
2 5 (55.56%) Java Developer
3 4 (44.44%) PHP Developer
3 4 (44.44%) Python Developer
4 2 (22.22%) Software Engineer
5 1 (11.11%) C++ Developer
5 1 (11.11%) C++ Software Developer
5 1 (11.11%) C++ Software Engineer
5 1 (11.11%) C++/Java Developer
5 1 (11.11%) Developer/Software Engineer
5 1 (11.11%) Java Engineer
5 1 (11.11%) Java Software Developer
5 1 (11.11%) Java Software Engineer
5 1 (11.11%) Software Developer
Libraries, Frameworks & Software Standards
1 3 (33.33%) jQuery
2 2 (22.22%) CSS
2 2 (22.22%) HTML
2 2 (22.22%) Spring
3 1 (11.11%) AngularJS
3 1 (11.11%) CodeIgniter
3 1 (11.11%) Django
3 1 (11.11%) Hibernate
3 1 (11.11%) LAMP
3 1 (11.11%) Laravel
3 1 (11.11%) Sass
3 1 (11.11%) STL
3 1 (11.11%) Symfony
Miscellaneous
1 1 (11.11%) Computer Science
Operating Systems
1 1 (11.11%) Linux
1 1 (11.11%) Unix
Processes & Methodologies
1 7 (77.78%) Agile Software Development
2 5 (55.56%) OO
3 4 (44.44%) Scrum
3 4 (44.44%) Unit Testing
4 3 (33.33%) OOP
4 3 (33.33%) Test Automation
5 2 (22.22%) BDD
5 2 (22.22%) Collaborative Working
5 2 (22.22%) Continuous Integration
5 2 (22.22%) Kanban
5 2 (22.22%) OOD
5 2 (22.22%) Software Engineering
6 1 (11.11%) DevOps
6 1 (11.11%) Microservices
6 1 (11.11%) Mobile Development
6 1 (11.11%) Refactoring
6 1 (11.11%) Service Design
Programming Languages
1 7 (77.78%) PHP
2 6 (66.67%) Java
3 4 (44.44%) JavaScript
3 4 (44.44%) Python
4 2 (22.22%) C++
4 2 (22.22%) SQL
5 1 (11.11%) C
Qualifications
1 2 (22.22%) Security Cleared
Quality Assurance & Compliance
1 1 (11.11%) QA
System Software
1 1 (11.11%) Docker
Systems Management
1 1 (11.11%) Kubernetes
Vendors
1 1 (11.11%) Zend