Period
to 22 February 2018

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 6 months to 22 February 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Derbyshire > Chesterfield
6 months to
22 Feb 2018
Same period 2017 Same period 2016
Rank 9 24 17
Rank change year-on-year +15 -7 0
Permanent jobs citing TDD 4 4 18
As % of all permanent IT jobs advertised in Chesterfield 8.33% 3.70% 11.11%
As % of the Processes & Methodologies category 12.12% 4.30% 12.50%
Number of salaries quoted 4 4 15
Chesterfield median annual salary £37,500 £37,500 £45,000
Median salary % change year-on-year - -16.67% -
10th Percentile £28,375 £36,250 £39,100
90th Percentile £38,750 £38,750 £47,500
Derbyshire median annual salary £40,000 £37,500 £40,000
% change year-on-year +6.67% -6.25% -

TDD is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Chesterfield with a requirement for process or methodology skills.

All Process and Methodology Skills
Chesterfield
Permanent vacancies with a requirement for process or methodology skills 33 93 144
As % of all permanent IT jobs advertised in Chesterfield 68.75% 86.11% 88.89%
Number of salaries quoted 30 64 108
Chesterfield median annual salary £38,000 £32,500 £32,750
Median salary % change year-on-year +16.92% -0.76% -12.67%
10th Percentile £22,325 £17,875 £22,200
90th Percentile £72,250 £43,750 £47,875
Derbyshire median annual salary £38,500 £37,500 £37,000
% change year-on-year +2.67% +1.35% -1.33%

TDD
Job Vacancy Trend in Chesterfield

Job postings citing TDD as a percentage of all IT jobs advertised in Chesterfield.

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 22 February 2018, IT jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the Chesterfield region with a requirement for TDD.

1 4 (100.00%) JavaScript
1 4 (100.00%) Agile Software Development
1 4 (100.00%) Pair Programming
2 3 (75.00%) Microsoft
2 3 (75.00%) Continuous Improvement
2 3 (75.00%) Ajax
2 3 (75.00%) Local Government
2 3 (75.00%) Web Development
2 3 (75.00%) ASP.NET
2 3 (75.00%) XML
2 3 (75.00%) XSL
2 3 (75.00%) SQL
2 3 (75.00%) .NET
2 3 (75.00%) C#
2 3 (75.00%) HTML
2 3 (75.00%) SQL Server
2 3 (75.00%) User Stories
2 3 (75.00%) Virtual Team
2 3 (75.00%) Acceptance Criteria
3 1 (25.00%) Akka
3 1 (25.00%) SDLC
3 1 (25.00%) Dropwizard
3 1 (25.00%) DB2
3 1 (25.00%) JUnit
3 1 (25.00%) Java
3 1 (25.00%) J2EE
3 1 (25.00%) MySQL
3 1 (25.00%) OOP
3 1 (25.00%) IBM
3 1 (25.00%) JDBC

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
2 1 (25.00%) DB2
2 1 (25.00%) MongoDB
2 1 (25.00%) MySQL
2 1 (25.00%) Redis
Development Applications
1 1 (25.00%) Cucumber
1 1 (25.00%) JUnit
1 1 (25.00%) Mockito
1 1 (25.00%) Selenium
1 1 (25.00%) TestNG
General
1 3 (75.00%) Local Government
Job Titles
1 4 (100.00%) Developer
2 3 (75.00%) .NET Developer
3 1 (25.00%) Java Developer
Libraries, Frameworks & Software Standards
1 3 (75.00%) .NET
1 3 (75.00%) Ajax
1 3 (75.00%) ASP.NET
1 3 (75.00%) HTML
1 3 (75.00%) XML
1 3 (75.00%) XSL
2 1 (25.00%) Akka
2 1 (25.00%) AngularJS
2 1 (25.00%) Dropwizard
2 1 (25.00%) Hibernate
2 1 (25.00%) J2EE
2 1 (25.00%) JDBC
2 1 (25.00%) JPA
2 1 (25.00%) JSF
2 1 (25.00%) REST
2 1 (25.00%) Spring
Miscellaneous
1 3 (75.00%) Virtual Team
Processes & Methodologies
1 4 (100.00%) Agile Software Development
1 4 (100.00%) Pair Programming
2 3 (75.00%) Acceptance Criteria
2 3 (75.00%) Continuous Improvement
2 3 (75.00%) User Stories
2 3 (75.00%) Web Development
3 1 (25.00%) Continuous Integration
3 1 (25.00%) OOP
3 1 (25.00%) Performance Testing
3 1 (25.00%) SDLC
Programming Languages
1 4 (100.00%) JavaScript
2 3 (75.00%) C#
2 3 (75.00%) SQL
3 1 (25.00%) Java
Vendors
1 3 (75.00%) Microsoft
2 1 (25.00%) IBM