The following table provides summary statistics for permanent job vacancies advertised in Staines 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)
Surrey / Staines
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 30 15 -
Rank change year-on-year -15 -  
Permanent jobs citing TDD 1 24 0
As % of all permanent IT jobs advertised in Staines 0.74% 12.70% -
As % of the Processes & Methodologies category 0.76% 13.11% -
Number of salaries quoted 1 14 0
Median salary £55,000 £51,250 -
Median salary % change year-on-year +7.31% -  
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 Staines with a requirement for process and methodology skills.

Process & Methodology Skills
Staines
Permanent job vacancies with a requirement for process and methodology skills 132 183 277
As % of all permanent IT job vacancies advertised in Staines 97.78% 96.83% 92.03%
Number of salaries quoted 89 119 249
Median salary £62,500 £57,500 £45,000
Median salary % change year-on-year +8.69% +27.77%  
90% offered a salary of more than £37,500 £38,000 £30,000
10% offered a salary of more than £80,000 £65,000 £90,000
UK excluding London median salary £45,000 £45,000 £44,000
% change year-on-year - +2.27%  

TDD
Job Vacancy Trend in Staines

The job posting trend of jobs advertised in Staines 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 Staines

TDD
Salary Trend in Staines

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

Salary trend for TDD in Staines

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 Staines region with a requirement for TDD.

1 8 (100.00%) Agile Software Development
2 6 (75.00%) Test Automation
2 6 (75.00%) Continuous Integration
3 4 (50.00%) HTML5
3 4 (50.00%) BDD
3 4 (50.00%) CSS3
3 4 (50.00%) RESTful
3 4 (50.00%) Refactoring
3 4 (50.00%) HTML
3 4 (50.00%) JavaScript
3 4 (50.00%) CSS
3 4 (50.00%) Cognizant
3 4 (50.00%) Analytics
3 4 (50.00%) Mobile App
3 4 (50.00%) Mobile Application Development
3 4 (50.00%) React
3 4 (50.00%) React Native
3 4 (50.00%) Front End Development
4 2 (25.00%) SOLID
4 2 (25.00%) Multithreaded Programming
4 2 (25.00%) C#
4 2 (25.00%) QA Automation
4 2 (25.00%) Jenkins
4 2 (25.00%) User Stories
4 2 (25.00%) Configuration Management
4 2 (25.00%) MATLAB
4 2 (25.00%) SQL
4 2 (25.00%) .NET
4 2 (25.00%) Java
4 2 (25.00%) Data Analysis

TDD
Co-occurring IT Skills in Staines 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 2 (25.00%) Amazon AWS
1 2 (25.00%) Microsoft Azure
Development Applications
1 2 (25.00%) Cucumber
1 2 (25.00%) Git (software)
1 2 (25.00%) Jenkins
1 2 (25.00%) Selenium
Job Titles
1 4 (50.00%) Developer
1 4 (50.00%) JavaScript Developer
1 4 (50.00%) Senior Developer
1 4 (50.00%) Senior JavaScript Developer
2 2 (25.00%) .NET Software Engineer
2 2 (25.00%) Java Engineer
2 2 (25.00%) QA Automation Engineer
2 2 (25.00%) QA Engineer
2 2 (25.00%) QA Test Engineer
2 2 (25.00%) Senior .NET Software Engineer
2 2 (25.00%) Senior Software Engineer
2 2 (25.00%) Software Engineer
2 2 (25.00%) Test Automation Engineer
2 2 (25.00%) Test Engineer
Libraries, Frameworks & Software Standards
1 4 (50.00%) CSS
1 4 (50.00%) CSS3
1 4 (50.00%) HTML
1 4 (50.00%) HTML5
1 4 (50.00%) React
1 4 (50.00%) React Native
1 4 (50.00%) RESTful
2 2 (25.00%) .NET
2 2 (25.00%) WPF
Miscellaneous
1 4 (50.00%) Mobile App
2 2 (25.00%) Computer Science
Processes & Methodologies
1 8 (100.00%) Agile Software Development
2 6 (75.00%) Continuous Integration
2 6 (75.00%) Test Automation
3 4 (50.00%) Analytics
3 4 (50.00%) BDD
3 4 (50.00%) Front End Development
3 4 (50.00%) Mobile Application Development
3 4 (50.00%) Refactoring
4 2 (25.00%) Configuration Management
4 2 (25.00%) Data Analysis
4 2 (25.00%) Functional Testing
4 2 (25.00%) Multithreaded Programming
4 2 (25.00%) Multithreading
4 2 (25.00%) QA Automation
4 2 (25.00%) Software Architecture
4 2 (25.00%) Software Engineering
4 2 (25.00%) SOLID
4 2 (25.00%) Test Strategy
4 2 (25.00%) User Stories
4 2 (25.00%) Visualisation
Programming Languages
1 4 (50.00%) JavaScript
2 2 (25.00%) C#
2 2 (25.00%) Java
2 2 (25.00%) MATLAB
2 2 (25.00%) SQL
Quality Assurance & Compliance
1 2 (25.00%) QA
Vendors
1 4 (50.00%) Cognizant