Period
to 21 November 2017

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 21 November 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Derbyshire > Chesterfield
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 10 25 21
Rank change year-on-year +15 -4 +6
Permanent jobs citing TDD 7 1 26
As % of all permanent IT jobs advertised in Chesterfield 11.86% 0.75% 9.85%
As % of the Processes & Methodologies category 20.59% 0.89% 11.66%
Number of salaries quoted 7 1 21
Chesterfield median annual salary £37,500 £37,000 £45,000
Median salary % change year-on-year +1.35% -17.78% +12.50%
10th Percentile £31,750 £35,500 £42,500
90th Percentile £42,650 £38,500 £47,500
Derbyshire median annual salary £35,000 £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 34 112 223
As % of all permanent IT jobs advertised in Chesterfield 57.63% 83.58% 84.47%
Number of salaries quoted 33 70 153
Chesterfield median annual salary £35,000 £35,000 £42,500
Median salary % change year-on-year - -17.65% +6.25%
10th Percentile £25,200 £19,500 £24,050
90th Percentile £56,250 £49,000 £65,000
Derbyshire median annual salary £37,500 £37,500 £37,500

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 21 November 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 7 (100.00%) JavaScript
1 7 (100.00%) Agile Software Development
2 6 (85.71%) Pair Programming
2 6 (85.71%) SQL
2 6 (85.71%) HTML
3 5 (71.43%) SQL Server
3 5 (71.43%) .NET
3 5 (71.43%) ASP.NET
3 5 (71.43%) XML
3 5 (71.43%) XSL
3 5 (71.43%) Ajax
3 5 (71.43%) Local Government
3 5 (71.43%) Web Development
3 5 (71.43%) Continuous Improvement
3 5 (71.43%) C#
3 5 (71.43%) Microsoft
3 5 (71.43%) User Stories
3 5 (71.43%) Virtual Team
3 5 (71.43%) Acceptance Criteria
4 2 (28.57%) Hibernate
4 2 (28.57%) Spring
4 2 (28.57%) Java
5 1 (14.29%) DB2
5 1 (14.29%) JUnit
5 1 (14.29%) J2EE
5 1 (14.29%) MySQL
5 1 (14.29%) OOP
5 1 (14.29%) Tomcat
5 1 (14.29%) IBM
5 1 (14.29%) 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:

Application Platforms
1 1 (14.29%) Tomcat
Database & Business Intelligence
1 5 (71.43%) SQL Server
2 1 (14.29%) DB2
2 1 (14.29%) MongoDB
2 1 (14.29%) MySQL
2 1 (14.29%) NoSQL
2 1 (14.29%) Redis
2 1 (14.29%) Relational Database
Development Applications
1 1 (14.29%) Cucumber
1 1 (14.29%) JUnit
1 1 (14.29%) Mockito
1 1 (14.29%) Selenium
1 1 (14.29%) TestNG
General
1 5 (71.43%) Local Government
Job Titles
1 7 (100.00%) Developer
2 5 (71.43%) .NET Developer
3 2 (28.57%) Java Developer
4 1 (14.29%) Senior Developer
4 1 (14.29%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 6 (85.71%) HTML
2 5 (71.43%) .NET
2 5 (71.43%) Ajax
2 5 (71.43%) ASP.NET
2 5 (71.43%) XML
2 5 (71.43%) XSL
3 2 (28.57%) Hibernate
3 2 (28.57%) Spring
4 1 (14.29%) Akka
4 1 (14.29%) AngularJS
4 1 (14.29%) Dropwizard
4 1 (14.29%) HTML5
4 1 (14.29%) J2EE
4 1 (14.29%) JDBC
4 1 (14.29%) JPA
4 1 (14.29%) JSF
4 1 (14.29%) JSP
4 1 (14.29%) REST
4 1 (14.29%) RESTful
4 1 (14.29%) Web Services
Miscellaneous
1 5 (71.43%) Virtual Team
Processes & Methodologies
1 7 (100.00%) Agile Software Development
2 6 (85.71%) Pair Programming
3 5 (71.43%) Acceptance Criteria
3 5 (71.43%) Continuous Improvement
3 5 (71.43%) User Stories
3 5 (71.43%) Web Development
4 1 (14.29%) Continuous Integration
4 1 (14.29%) Creative Thinking
4 1 (14.29%) Mentoring
4 1 (14.29%) OOP
4 1 (14.29%) Open Source
4 1 (14.29%) Performance Testing
4 1 (14.29%) SDLC
4 1 (14.29%) Software Delivery
4 1 (14.29%) Software Engineering
4 1 (14.29%) Test Automation
4 1 (14.29%) Web Application Development
Programming Languages
1 7 (100.00%) JavaScript
2 6 (85.71%) SQL
3 5 (71.43%) C#
4 2 (28.57%) Java
Vendors
1 5 (71.43%) Microsoft
2 1 (14.29%) IBM