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

Test-Driven Development (TDD)
Surrey / Redhill
3 months to
22 Jun 2017
Same period 2016 Same period 2015
Rank 26 21 32
Rank change year-on-year -5 +11  
Permanent jobs citing TDD 10 7 13
As % of all permanent IT jobs advertised in Redhill 5.26% 4.90% 5.02%
As % of the Processes & Methodologies category 5.88% 5.74% 5.96%
Number of salaries quoted 10 7 13
Median salary £42,500 £40,000 £50,000
Median salary % change year-on-year +6.25% -20.00%  
UK excluding London median salary £45,000 £45,000 £42,500
% change year-on-year - +5.88%  

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 Redhill with a requirement for process and methodology skills.

Process & Methodology Skills
Redhill
Permanent job vacancies with a requirement for process and methodology skills 170 122 218
As % of all permanent IT job vacancies advertised in Redhill 89.47% 85.31% 84.17%
Number of salaries quoted 149 116 202
Median salary £55,000 £48,500 £57,500
Median salary % change year-on-year +13.40% -15.65%  
90% offered a salary of more than £42,500 £32,500 £35,000
10% offered a salary of more than £69,000 £80,000 £62,500
UK excluding London median salary £45,000 £45,000 £44,000
% change year-on-year - +2.27%  

TDD
Job Vacancy Trend in Redhill

The job posting trend of jobs advertised in Redhill 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 Redhill

TDD
Salary Trend in Redhill

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

Salary trend for TDD in Redhill

TDD
Salary Histogram in Redhill

The salary distribution of IT jobs citing TDD in Redhill over the 3 months to 22 June 2017.

Salary histogram for TDD in Redhill

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

1 24 (92.31%) Agile Software Development
1 24 (92.31%) SOLID
2 22 (84.62%) Continuous Integration
3 21 (80.77%) C#
4 20 (76.92%) Team Foundation Server
5 19 (73.08%) .NET
6 18 (69.23%) DevOps
6 18 (69.23%) Continuous Delivery
7 10 (38.46%) MVC
7 10 (38.46%) SQL Server
7 10 (38.46%) ASP.NET
7 10 (38.46%) Unit Testing
7 10 (38.46%) ASP.NET MVC
7 10 (38.46%) Dependency Injection
7 10 (38.46%) Inversion of Control
8 9 (34.62%) QA
8 9 (34.62%) Continuous Improvement
8 9 (34.62%) Configuration Management
9 8 (30.77%) Finance
9 8 (30.77%) Dynamics CRM
9 8 (30.77%) VB.NET
9 8 (30.77%) CRM
9 8 (30.77%) Microsoft
9 8 (30.77%) MSBuild
9 8 (30.77%) BDD
9 8 (30.77%) Mentoring
9 8 (30.77%) Coaching
9 8 (30.77%) Release Management
10 5 (19.23%) Degree
10 5 (19.23%) Computer Science

TDD
Co-occurring IT Skills in Redhill 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:

Business Applications
1 8 (30.77%) Dynamics CRM
Communications & Networking
1 1 (3.85%) TCP/IP
Database & Business Intelligence
1 10 (38.46%) SQL Server
Development Applications
1 20 (76.92%) Team Foundation Server
2 8 (30.77%) MSBuild
3 1 (3.85%) Git (software)
3 1 (3.85%) Jenkins
3 1 (3.85%) Selenium
3 1 (3.85%) WebDriver
General
1 8 (30.77%) Finance
2 4 (15.38%) Electronics
Job Titles
1 13 (50.00%) Developer
2 8 (30.77%) CRM Developer
2 8 (30.77%) Dynamics CRM Developer
3 5 (19.23%) .NET Developer
3 5 (19.23%) ASP.NET Developer
3 5 (19.23%) ASP.NET MVC Developer
3 5 (19.23%) C# .NET Developer
3 5 (19.23%) C# ASP.NET Developer
3 5 (19.23%) C# Developer
4 4 (15.38%) Software Engineer
5 3 (11.54%) C++ Software Engineer
6 2 (7.69%) Scrum Master
7 1 (3.85%) Agile Tester
7 1 (3.85%) Automation Tester
7 1 (3.85%) QA Automation Tester
7 1 (3.85%) QA Tester
7 1 (3.85%) Software Test Engineer
7 1 (3.85%) Test Engineer
7 1 (3.85%) Tester
Libraries, Frameworks & Software Standards
1 19 (73.08%) .NET
2 10 (38.46%) ASP.NET
2 10 (38.46%) ASP.NET MVC
Miscellaneous
1 5 (19.23%) Computer Science
2 4 (15.38%) Contactless
3 1 (3.85%) Embedded Systems
Operating Systems
1 3 (11.54%) Linux
2 2 (7.69%) Embedded Linux
3 1 (3.85%) Windows
Processes & Methodologies
1 24 (92.31%) Agile Software Development
1 24 (92.31%) SOLID
2 22 (84.62%) Continuous Integration
3 18 (69.23%) Continuous Delivery
3 18 (69.23%) DevOps
4 10 (38.46%) Dependency Injection
4 10 (38.46%) Inversion of Control
4 10 (38.46%) MVC
4 10 (38.46%) Unit Testing
5 9 (34.62%) Configuration Management
5 9 (34.62%) Continuous Improvement
6 8 (30.77%) BDD
6 8 (30.77%) Coaching
6 8 (30.77%) CRM
6 8 (30.77%) Mentoring
6 8 (30.77%) Release Management
7 5 (19.23%) Software Engineering
8 3 (11.54%) Scrum
9 2 (7.69%) Project Management
9 2 (7.69%) Test Automation
Programming Languages
1 21 (80.77%) C#
2 8 (30.77%) VB.NET
3 5 (19.23%) C++
4 4 (15.38%) C
4 4 (15.38%) Embedded C
4 4 (15.38%) Embedded C++
5 2 (7.69%) Java
5 2 (7.69%) Python
6 1 (3.85%) Shell Script
Qualifications
1 5 (19.23%) Degree
2 2 (7.69%) ISTQB
3 1 (3.85%) ISEB
3 1 (3.85%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 9 (34.62%) QA
Vendors
1 8 (30.77%) Microsoft