The following table provides summary statistics for permanent job vacancies advertised in Chesterfield 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 24 June 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Derbyshire / Chesterfield
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 8 - 9
Rank change year-on-year - 0  
Permanent jobs citing TDD 1 0 13
As % of all permanent IT jobs advertised in Chesterfield 4.00% - 10.32%
As % of the Processes & Methodologies category 4.55% - 12.15%
Number of salaries quoted 1 0 12
Median salary £45,000 - £45,000
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 Chesterfield with a requirement for process and methodology skills.

Process & Methodology Skills
Chesterfield
Permanent job vacancies with a requirement for process and methodology skills 22 60 107
As % of all permanent IT job vacancies advertised in Chesterfield 88.00% 77.92% 84.92%
Number of salaries quoted 20 47 81
Median salary £40,000 £42,500 £45,000
Median salary % change year-on-year -5.88% -5.55%  
90% offered a salary of more than £28,000 £27,000 £34,800
10% offered a salary of more than £57,500 £65,000 £62,500
UK excluding London median salary £45,000 £45,000 £44,000
% change year-on-year - +2.27%  

TDD
Job Vacancy Trend in Chesterfield

The job posting trend of jobs advertised in Chesterfield 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 Chesterfield

TDD
Salary Trend in Chesterfield

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

Salary trend for TDD in Chesterfield

For the 6 months to 24 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 Chesterfield region with a requirement for TDD.

1 3 (75.00%) Continuous Improvement
1 3 (75.00%) Microsoft
1 3 (75.00%) User Stories
1 3 (75.00%) Virtual Team
1 3 (75.00%) HTML
1 3 (75.00%) JavaScript
1 3 (75.00%) SQL
1 3 (75.00%) .NET
1 3 (75.00%) SQL Server
1 3 (75.00%) XML
1 3 (75.00%) XSL
1 3 (75.00%) Agile Software Development
1 3 (75.00%) Pair Programming
1 3 (75.00%) Ajax
1 3 (75.00%) Local Government
1 3 (75.00%) Web Development
2 1 (25.00%) Degree
2 1 (25.00%) Mathematics
2 1 (25.00%) Physics
2 1 (25.00%) Computer Science
2 1 (25.00%) Unit Testing
2 1 (25.00%) Continuous Integration
2 1 (25.00%) Test Automation
2 1 (25.00%) BDD
2 1 (25.00%) Windows
2 1 (25.00%) SDET
2 1 (25.00%) C#
2 1 (25.00%) C++
2 1 (25.00%) Jenkins
2 1 (25.00%) Scrum

TDD
Co-occurring IT Skills in Chesterfield 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:

Database & Business Intelligence
1 3 (75.00%) SQL Server
Development Applications
1 1 (25.00%) Jenkins
General
1 3 (75.00%) Local Government
Job Titles
1 4 (100.00%) Developer
2 3 (75.00%) .NET Developer
2 3 (75.00%) .NET Software Developer
3 1 (25.00%) Developer in Test
3 1 (25.00%) Software Developer
3 1 (25.00%) Test Automation Developer
Libraries, Frameworks & Software Standards
1 3 (75.00%) .NET
1 3 (75.00%) Ajax
1 3 (75.00%) HTML
1 3 (75.00%) XML
1 3 (75.00%) XSL
Miscellaneous
1 3 (75.00%) Virtual Team
2 1 (25.00%) Computer Science
Operating Systems
1 1 (25.00%) Windows
Processes & Methodologies
1 3 (75.00%) Agile Software Development
1 3 (75.00%) Continuous Improvement
1 3 (75.00%) Pair Programming
1 3 (75.00%) User Stories
1 3 (75.00%) Web Development
2 1 (25.00%) BDD
2 1 (25.00%) Continuous Integration
2 1 (25.00%) Mathematics
2 1 (25.00%) Physics
2 1 (25.00%) Scrum
2 1 (25.00%) SDET
2 1 (25.00%) Test Automation
2 1 (25.00%) Unit Testing
Programming Languages
1 3 (75.00%) JavaScript
1 3 (75.00%) SQL
2 1 (25.00%) C#
2 1 (25.00%) C++
Qualifications
1 1 (25.00%) Degree
Vendors
1 3 (75.00%) Microsoft