The following table provides summary statistics for permanent job vacancies advertised in Egham 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 28 March 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Surrey / Egham
3 months to
28 Mar 2017
Same period 2016 Same period 2015
Rank 30 - 43
Rank change year-on-year - 0  
Permanent jobs citing TDD 8 0 13
As % of all permanent IT jobs advertised in Egham 4.10% - 3.41%
As % of the Processes & Methodologies category 4.19% - 3.80%
Number of salaries quoted 8 0 11
Median salary £55,000 - £55,000
UK excluding London median salary £45,000 £45,000 £40,500
% change year-on-year - +11.11%  

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 Egham with a requirement for process and methodology skills.

Process & Methodology Skills
Egham
Permanent job vacancies with a requirement for process and methodology skills 191 191 342
As % of all permanent IT job vacancies advertised in Egham 97.95% 89.67% 89.76%
Number of salaries quoted 42 99 131
Median salary £55,000 £57,500 £60,000
Median salary % change year-on-year -4.34% -4.16%  
90% offered a salary of more than £45,000 £41,500 £40,000
10% offered a salary of more than £75,000 £102,500 £75,000
UK excluding London median salary £45,000 £45,000 £43,000
% change year-on-year - +4.65%  

TDD
Job Vacancy Trend in Egham

The job posting trend of jobs advertised in Egham 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 Egham

TDD
Salary Trend in Egham

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

Salary trend for TDD in Egham

TDD
Top 30 Co-occurring IT Skills in Egham

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

1 8 (100.00%) C#
1 8 (100.00%) JavaScript
1 8 (100.00%) .NET
1 8 (100.00%) ASP.NET
1 8 (100.00%) Microsoft
2 7 (87.50%) Visual Studio
2 7 (87.50%) MS Excel
2 7 (87.50%) ETL
2 7 (87.50%) SQL Server
2 7 (87.50%) SQL
2 7 (87.50%) T-SQL
2 7 (87.50%) HTML
2 7 (87.50%) Scrum
2 7 (87.50%) Agile Software Development
2 7 (87.50%) SQL Server Integration Services
2 7 (87.50%) Requirements Analysis
2 7 (87.50%) Continuous Integration
2 7 (87.50%) SQL Server 2008
2 7 (87.50%) SDLC
3 5 (62.50%) MVC
4 4 (50.00%) Microsoft Analysis Services
4 4 (50.00%) SQL Server Reporting Services
4 4 (50.00%) SQL Server Analysis Services
4 4 (50.00%) OLAP
4 4 (50.00%) MCSE
4 4 (50.00%) Microsoft Certification
4 4 (50.00%) jQuery
4 4 (50.00%) OLAP Cube
5 3 (37.50%) Mobile Development
5 3 (37.50%) BizTalk Server

TDD
Co-occurring IT Skills in Egham 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 3 (37.50%) BizTalk Server
Applications
1 7 (87.50%) MS Excel
Database & Business Intelligence
1 7 (87.50%) SQL Server
1 7 (87.50%) SQL Server 2008
1 7 (87.50%) SQL Server Integration Services
2 4 (50.00%) Microsoft Analysis Services
2 4 (50.00%) OLAP
2 4 (50.00%) OLAP Cube
2 4 (50.00%) SQL Server Analysis Services
2 4 (50.00%) SQL Server Reporting Services
Development Applications
1 7 (87.50%) Visual Studio
Job Titles
1 8 (100.00%) Developer
2 7 (87.50%) .NET Developer
2 7 (87.50%) C# .NET Developer
2 7 (87.50%) C# Developer
2 7 (87.50%) SSIS Developer
3 4 (50.00%) ETL Developer
4 3 (37.50%) BizTalk Developer
5 1 (12.50%) Senior Developer
5 1 (12.50%) Senior Web Developer
5 1 (12.50%) Web Developer
Libraries, Frameworks & Software Standards
1 8 (100.00%) .NET
1 8 (100.00%) ASP.NET
2 7 (87.50%) HTML
3 4 (50.00%) jQuery
4 3 (37.50%) HTML5
5 1 (12.50%) ASP.NET Web API
Miscellaneous
1 3 (37.50%) Clustering
2 1 (12.50%) Computer Science
Processes & Methodologies
1 7 (87.50%) Agile Software Development
1 7 (87.50%) Continuous Integration
1 7 (87.50%) ETL
1 7 (87.50%) Requirements Analysis
1 7 (87.50%) Scrum
1 7 (87.50%) SDLC
2 5 (62.50%) MVC
3 3 (37.50%) Mobile Development
4 1 (12.50%) OOP
4 1 (12.50%) SOLID
4 1 (12.50%) Web Development
Programming Languages
1 8 (100.00%) C#
1 8 (100.00%) JavaScript
2 7 (87.50%) SQL
2 7 (87.50%) T-SQL
Qualifications
1 4 (50.00%) MCSE
1 4 (50.00%) Microsoft Certification
2 1 (12.50%) Degree
Vendors
1 8 (100.00%) Microsoft