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 26 March 2017 with a comparison to the same period in the previous 2 years.

3 months to
26 Mar 2017
Same period 2016 Same period 2015
Test-Driven Development (TDD)
Somerset / Street
Rank 5 14 -
Rank change year-on-year +9 -  
Permanent jobs citing TDD 10 8 0
As % of all permanent IT jobs advertised in Street 41.67% 13.79% -
As % of the Processes & Methodologies category 41.67% 14.55% -
Number of salaries quoted 10 8 0
Median salary £43,750 £50,000 -
Median salary % change year-on-year -12.50% -  
UK excluding London median salary £45,000 £45,000 £40,000
% change year-on-year - +12.50%  

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 24 55 34
As % of all permanent IT job vacancies advertised in Street 100.00% 94.83% 100.00%
Number of salaries quoted 24 30 26
Median salary £42,500 £55,000 £32,500
Median salary % change year-on-year -22.72% +69.23%  
90% offered a salary of more than £40,000 £30,000 £26,000
10% offered a salary of more than £55,500 £92,000 £85,000
UK excluding London median salary £45,000 £45,000 £43,000
% change year-on-year - +4.65%  

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

TDD
Top 30 Related IT Skills in Street

For the 6 months to 26 March 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 18 (100.00%) Agile Software Development
2 10 (55.56%) SDLC
3 9 (50.00%) SOLID
3 9 (50.00%) Analytical Skills
3 9 (50.00%) Microservices
3 9 (50.00%) Domain-Driven Design
3 9 (50.00%) RESTful
3 9 (50.00%) Open Source
3 9 (50.00%) Node.js
3 9 (50.00%) Pair Programming
3 9 (50.00%) Software Engineering
3 9 (50.00%) PHP
3 9 (50.00%) OOP
3 9 (50.00%) LAMP
4 8 (44.44%) E-Commerce
4 8 (44.44%) Continuous Integration
4 8 (44.44%) Continuous Improvement
4 8 (44.44%) BDD
4 8 (44.44%) GitHub
4 8 (44.44%) Continuous Delivery
4 8 (44.44%) Jenkins
5 5 (27.78%) Hedge funds
5 5 (27.78%) Investment Banking
5 5 (27.78%) Banking
5 5 (27.78%) Finance
6 3 (16.67%) Data Analytics
6 3 (16.67%) Analytics
7 2 (11.11%) HTTP
8 1 (5.56%) Git (software)
8 1 (5.56%) Automated Testing

TDD
Top Related 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 (5.56%) Elasticsearch
Cloud Services
1 8 (44.44%) GitHub
2 1 (5.56%) Amazon AWS
Communications & Networking
1 2 (11.11%) HTTP
Database & Business Intelligence
1 1 (5.56%) MySQL
Development Applications
1 8 (44.44%) Jenkins
2 1 (5.56%) Git (software)
2 1 (5.56%) Travis CI
General
1 5 (27.78%) Banking
1 5 (27.78%) Finance
1 5 (27.78%) Investment Banking
Job Titles
1 9 (50.00%) Developer
1 9 (50.00%) PHP Developer
2 4 (22.22%) Engineering Manager
3 2 (11.11%) LAMP Developer
3 2 (11.11%) PHP LAMP Developer
4 1 (5.56%) Java Engineer
4 1 (5.56%) Java Software Engineer
4 1 (5.56%) Senior Java Engineer
4 1 (5.56%) Senior Java Software Engineer
4 1 (5.56%) Senior Software Engineer
4 1 (5.56%) Senior Web Engineer
4 1 (5.56%) Software Engineer
4 1 (5.56%) Web Engineer
Libraries, Frameworks & Software Standards
1 9 (50.00%) LAMP
1 9 (50.00%) Node.js
1 9 (50.00%) RESTful
2 1 (5.56%) AngularJS
2 1 (5.56%) CSS
2 1 (5.56%) Grails
2 1 (5.56%) HTML
2 1 (5.56%) HTML5
2 1 (5.56%) JSON
2 1 (5.56%) React
2 1 (5.56%) REST
2 1 (5.56%) Spring
2 1 (5.56%) Spring MVC
2 1 (5.56%) Web Services
2 1 (5.56%) XML
Miscellaneous
1 9 (50.00%) Analytical Skills
2 5 (27.78%) Hedge funds
3 1 (5.56%) Semantic Web
Processes & Methodologies
1 18 (100.00%) Agile Software Development
2 10 (55.56%) SDLC
3 9 (50.00%) Domain-Driven Design
3 9 (50.00%) Microservices
3 9 (50.00%) OOP
3 9 (50.00%) Open Source
3 9 (50.00%) Pair Programming
3 9 (50.00%) Software Engineering
3 9 (50.00%) SOLID
4 8 (44.44%) BDD
4 8 (44.44%) Continuous Delivery
4 8 (44.44%) Continuous Improvement
4 8 (44.44%) Continuous Integration
4 8 (44.44%) E-Commerce
5 3 (16.67%) Analytics
5 3 (16.67%) Data Analytics
6 1 (5.56%) Data Management
6 1 (5.56%) MVC
6 1 (5.56%) Responsive Web Design
6 1 (5.56%) Web Development
Programming Languages
1 9 (50.00%) PHP
2 1 (5.56%) CoffeeScript
2 1 (5.56%) Groovy
2 1 (5.56%) Java
2 1 (5.56%) JavaScript
System Software
1 1 (5.56%) Docker