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 3 months to 27 June 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Somerset / Street
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank - 21 8
Permanent jobs citing TDD 0 1 3
As % of all permanent IT jobs advertised in Street - 1.79% 10.34%
As % of the Processes & Methodologies category - 2.56% 11.11%
Number of salaries quoted 0 1 3
Median salary - £65,000 £42,500
Median salary % change year-on-year - +52.94%  
UK excluding London median salary £45,000 £44,000 £42,500
% change year-on-year +2.27% +3.52%  

TDD is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Street with a requirement for process and methodology skills.

Process & Methodology Skills
Street
Permanent job vacancies with a requirement for process and methodology skills 12 39 27
As % of all permanent IT job vacancies advertised in Street 100.00% 69.64% 93.10%
Number of salaries quoted 11 25 20
Median salary £25,500 £55,000 £45,000
Median salary % change year-on-year -53.63% +22.22%  
UK excluding London median salary £45,000 £45,000 £44,000
% change year-on-year - +2.27%  

TDD
Job Vacancy Trend in Street

The job posting trend of jobs advertised in Street citing TDD as a proportion of all permanent or contract IT jobs with a match in the Processes & Methodologies category.

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 27 June 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 10 (100.00%) Agile Software Development
1 10 (100.00%) SDLC
2 9 (90.00%) SOLID
2 9 (90.00%) Analytical Skills
2 9 (90.00%) Microservices
2 9 (90.00%) Node.js
2 9 (90.00%) Open Source
2 9 (90.00%) LAMP
2 9 (90.00%) PHP
2 9 (90.00%) OOP
2 9 (90.00%) Domain-Driven Design
2 9 (90.00%) RESTful
3 5 (50.00%) Banking
3 5 (50.00%) Investment Banking
3 5 (50.00%) Finance
3 5 (50.00%) Hedge funds
4 3 (30.00%) Data Analytics
4 3 (30.00%) Analytics
5 1 (10.00%) Git (software)
5 1 (10.00%) Test Automation
5 1 (10.00%) Data Management
5 1 (10.00%) Spring
5 1 (10.00%) Amazon AWS
5 1 (10.00%) Software Engineering
5 1 (10.00%) Web Development
5 1 (10.00%) JSON
5 1 (10.00%) Spring MVC
5 1 (10.00%) Grails
5 1 (10.00%) Groovy
5 1 (10.00%) Semantic Web

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:

Application Platforms
1 1 (10.00%) Elasticsearch
Cloud Services
1 1 (10.00%) Amazon AWS
Database & Business Intelligence
1 1 (10.00%) MySQL
Development Applications
1 1 (10.00%) Git (software)
1 1 (10.00%) Travis CI
General
1 5 (50.00%) Banking
1 5 (50.00%) Finance
1 5 (50.00%) Investment Banking
Job Titles
1 9 (90.00%) Developer
1 9 (90.00%) PHP Developer
2 2 (20.00%) LAMP Developer
2 2 (20.00%) PHP LAMP Developer
3 1 (10.00%) Java Engineer
3 1 (10.00%) Java Software Engineer
3 1 (10.00%) Senior Java Engineer
3 1 (10.00%) Senior Java Software Engineer
3 1 (10.00%) Senior Software Engineer
3 1 (10.00%) Senior Web Engineer
3 1 (10.00%) Software Engineer
3 1 (10.00%) Web Engineer
Libraries, Frameworks & Software Standards
1 9 (90.00%) LAMP
1 9 (90.00%) Node.js
1 9 (90.00%) RESTful
2 1 (10.00%) AngularJS
2 1 (10.00%) CSS
2 1 (10.00%) Grails
2 1 (10.00%) HTML
2 1 (10.00%) HTML5
2 1 (10.00%) JSON
2 1 (10.00%) React
2 1 (10.00%) REST
2 1 (10.00%) Spring
2 1 (10.00%) Spring MVC
2 1 (10.00%) Web Services
2 1 (10.00%) XML
Miscellaneous
1 9 (90.00%) Analytical Skills
2 5 (50.00%) Hedge funds
3 1 (10.00%) Semantic Web
Processes & Methodologies
1 10 (100.00%) Agile Software Development
1 10 (100.00%) SDLC
2 9 (90.00%) Domain-Driven Design
2 9 (90.00%) Microservices
2 9 (90.00%) OOP
2 9 (90.00%) Open Source
2 9 (90.00%) SOLID
3 3 (30.00%) Analytics
3 3 (30.00%) Data Analytics
4 1 (10.00%) Data Management
4 1 (10.00%) MVC
4 1 (10.00%) Pair Programming
4 1 (10.00%) Responsive Web Design
4 1 (10.00%) Software Engineering
4 1 (10.00%) Test Automation
4 1 (10.00%) Web Development
Programming Languages
1 9 (90.00%) PHP
2 1 (10.00%) CoffeeScript
2 1 (10.00%) Groovy
2 1 (10.00%) Java
2 1 (10.00%) JavaScript
System Software
1 1 (10.00%) Docker