Period
to 22 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Street 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 22 November 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Somerset > Street
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 3 19 15
Rank change year-on-year +16 -4 +5
Permanent jobs citing TDD 12 8 1
As % of all permanent IT jobs advertised in Street 37.50% 9.09% 2.13%
As % of the Processes & Methodologies category 44.44% 9.20% 2.22%
Number of salaries quoted 12 0 2
Street median annual salary £55,000 - £62,500
Somerset median annual salary £45,000 £42,500 £40,000
% change year-on-year +5.88% +6.25% -

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 Street with a requirement for process or methodology skills.

All Process and Methodology Skills
Street
Permanent vacancies with a requirement for process or methodology skills 27 87 45
As % of all permanent IT jobs advertised in Street 84.38% 98.86% 95.74%
Number of salaries quoted 24 33 28
Street median annual salary £55,000 £57,500 £35,000
Median salary % change year-on-year -4.35% +64.29% -17.65%
Somerset median annual salary £41,000 £40,000 £37,500
% change year-on-year +2.50% +6.67% +7.14%

TDD
Job Vacancy Trend in Street

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

Job vacancy trend for TDD in Street

TDD
Salary Trend in Street

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

Salary trend for TDD in Street

For the 6 months to 22 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 Street region with a requirement for TDD.

1 12 (100.00%) JavaScript
1 12 (100.00%) E-Commerce
1 12 (100.00%) Google
1 12 (100.00%) Market Research
1 12 (100.00%) AngularJS
1 12 (100.00%) Front End Development
1 12 (100.00%) Protractor
1 12 (100.00%) Nightwatchjs

TDD
Co-occurring IT Skills in Street 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:

Development Applications
1 12 (100.00%) Protractor
Job Titles
1 12 (100.00%) Angular Developer
1 12 (100.00%) Developer
1 12 (100.00%) Front End Developer (Client-Side Developer)
Libraries, Frameworks & Software Standards
1 12 (100.00%) AngularJS
1 12 (100.00%) Nightwatchjs
Processes & Methodologies
1 12 (100.00%) E-Commerce
1 12 (100.00%) Front End Development
1 12 (100.00%) Market Research
Programming Languages
1 12 (100.00%) JavaScript
Vendors
1 12 (100.00%) Google