The table below looks at the statistics for TDD skills in IT jobs advertised for the Cornwall region. Included is a guide to the salaries offered in IT jobs that have cited TDD over the 3 months to 28 July 2016 with a comparison to the same period over the previous 2 years.

3 months to
28 Jul 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 27 24 14
Rank change year-on-year
-3 -10
Permanent jobs citing TDD 8 2 1
As % of all permanent IT jobs located in Cornwall 5.44% 2.17% 2.04%
As % of the Processes & Methodologies category 7.34% 3.70% 2.78%
Number of salaries quoted 8 2 1
Median salary £35,000 £36,750 £28,000
Median salary % change year-on-year
-4.76% +31.25%
UK excluding London median salary £45,000 £42,500 £42,500
% change year-on-year
+5.88% -
TDD
South West

The following table is for comparison with the above and provides statistics for the entire Processes & Methodologies category in permanent jobs advertised in the Cornwall region.

Processes & Methodologies Category
Cornwall
Permanent IT job ads with a match in the
Processes & Methodologies category
109 54 36
As % of all permanent IT jobs located in Cornwall 74.15% 58.70% 73.47%
Number of salaries quoted 57 49 34
Median salary £33,864 £32,500 £45,000
Median salary % change year-on-year
+4.19% -27.77%
90% offered a salary of more than £20,500 £23,500 £23,500
10% offered a salary of more than £50,000 £55,000 £57,500
UK excluding London median salary £45,000 £44,000 £42,500
% change year-on-year
+2.27% +3.52%

TDD
Jobs Demand Trend in Cornwall

The demand trend of job ads across the Cornwall region citing TDD as a proportion of all IT jobs with a match in the Processes & Methodologies category.

TDD Jobs Demand Trend in Cornwall

TDD
Salary Trend in Cornwall

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

TDD Salary Trend in Cornwall

TDD
Top 30 Related IT Skills in Cornwall

For the 6 months to 28 July 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 Cornwall region with a requirement for TDD.

1 12 (100.00%) MySQL
1 12 (100.00%) JavaScript
1 12 (100.00%) PHP
2 7 (58.33%) nginx
2 7 (58.33%) AngularJS
2 7 (58.33%) OO PHP
2 7 (58.33%) HTML
2 7 (58.33%) LEMP Stack
2 7 (58.33%) SQL
2 7 (58.33%) CSS
2 7 (58.33%) Linux
2 7 (58.33%) OO
2 7 (58.33%) DNS
2 7 (58.33%) HTML5
2 7 (58.33%) CSS3
3 5 (41.67%) Laravel
3 5 (41.67%) Redis
3 5 (41.67%) Facebook
3 5 (41.67%) Sass
3 5 (41.67%) LESS
3 5 (41.67%) Resque
3 5 (41.67%) Docker
3 5 (41.67%) PayPal
3 5 (41.67%) gulp
3 5 (41.67%) ES6
3 5 (41.67%) Vagrant
3 5 (41.67%) Grunt
3 5 (41.67%) PHPUnit
3 5 (41.67%) Google
3 5 (41.67%) CodeIgniter

TDD
Top Related IT Skills in Cornwall 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 7 (58.33%) nginx
Communications & Networking
1 7 (58.33%) DNS
Database & Business Intelligence
1 12 (100.00%) MySQL
2 5 (41.67%) Redis
Development Applications
1 5 (41.67%) Git (software)
1 5 (41.67%) Grunt
1 5 (41.67%) gulp
1 5 (41.67%) PHPUnit
1 5 (41.67%) Vagrant
Job Titles
1 12 (100.00%) Developer
1 12 (100.00%) PHP Developer
2 5 (41.67%) Senior Developer
2 5 (41.67%) Senior PHP Developer
Libraries, Frameworks & Software Standards
1 7 (58.33%) AngularJS
1 7 (58.33%) CSS
1 7 (58.33%) CSS3
1 7 (58.33%) HTML
1 7 (58.33%) HTML5
1 7 (58.33%) LEMP Stack
2 5 (41.67%) CakePHP
2 5 (41.67%) CodeIgniter
2 5 (41.67%) Laravel
2 5 (41.67%) LESS
2 5 (41.67%) Resque
2 5 (41.67%) Sass
Operating Systems
1 7 (58.33%) Linux
Processes & Methodologies
1 7 (58.33%) OO
1 7 (58.33%) OO PHP
2 1 (8.33%) Mentoring
Programming Languages
1 12 (100.00%) JavaScript
1 12 (100.00%) PHP
2 7 (58.33%) SQL
3 5 (41.67%) ES6
System Software
1 5 (41.67%) Docker
Vendors
1 5 (41.67%) Facebook
1 5 (41.67%) Google
1 5 (41.67%) PayPal