Period
to 24 November 2017

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

Test-Driven Development (TDD)
East Midlands > Derbyshire
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 30 22 23
Rank change year-on-year -8 +1 +18
Permanent jobs citing TDD 48 63 103
As % of all permanent IT jobs advertised in Derbyshire 6.67% 8.80% 8.70%
As % of the Processes & Methodologies category 7.87% 10.18% 9.87%
Number of salaries quoted 40 71 82
Derbyshire median annual salary £35,000 £37,500 £40,000
Median salary % change year-on-year -6.67% -6.25% -
10th Percentile £27,500 £30,000 £22,500
90th Percentile £43,100 £45,000 £47,500
East Midlands median annual salary £42,500 £42,500 £40,000
% change year-on-year - +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 Derbyshire with a requirement for process or methodology skills.

All Process and Methodology Skills
Derbyshire
Permanent vacancies with a requirement for process or methodology skills 610 619 1044
As % of all permanent IT jobs advertised in Derbyshire 84.72% 86.45% 88.18%
Number of salaries quoted 460 502 863
Derbyshire median annual salary £37,500 £37,500 £37,500
10th Percentile £23,225 £22,500 £22,500
90th Percentile £61,000 £55,000 £56,650
East Midlands median annual salary £40,000 £42,000 £40,000
% change year-on-year -4.76% +5.00% -

TDD
Job Vacancy Trend in Derbyshire

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

Job vacancy trend for TDD in Derbyshire

TDD
Salary Trend in Derbyshire

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

Salary trend for TDD in Derbyshire

TDD
Salary Histogram in Derbyshire

The salary distribution of IT jobs citing TDD in Derbyshire over the 6 months to 24 November 2017.

Salary histogram for TDD in Derbyshire

TDD
Job Locations in Derbyshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing TDD within the Derbyshire region over the 6 months to 24 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Derby -16 32 £35,000 -6.67% 4
Chesterfield +16 7 £37,500 +1.35%
Alfreton - 3 - -
Ilkeston - 3 £30,000 -
Heanor - 2 £40,000 -
Matlock - 1 £29,500 - 1
TDD
East Midlands

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

1 42 (87.50%) Agile Software Development
1 42 (87.50%) C#
1 42 (87.50%) .NET
2 37 (77.08%) ASP.NET
3 36 (75.00%) MVC
3 36 (75.00%) SQL Server
4 30 (62.50%) ASP.NET MVC
5 27 (56.25%) ASP.NET Web API
6 24 (50.00%) ASP.NET MVC 5
6 24 (50.00%) BDD
7 23 (47.92%) AngularJS
8 22 (45.83%) RESTful
8 22 (45.83%) Web Application Development
9 21 (43.75%) KnockoutJS
9 21 (43.75%) SQL Server 2016
9 21 (43.75%) Greenfield Project
10 20 (41.67%) Twitter Bootstrap
10 20 (41.67%) Internet
11 18 (37.50%) JavaScript
12 13 (27.08%) HTML
13 11 (22.92%) SQL
13 11 (22.92%) Microsoft
13 11 (22.92%) Entity Framework
13 11 (22.92%) .NET Framework
14 8 (16.67%) Visual Studio
15 7 (14.58%) CSS
15 7 (14.58%) Web Development
16 6 (12.50%) Ajax
16 6 (12.50%) Test Automation
16 6 (12.50%) XML

TDD
Co-occurring IT Skills in Derbyshire 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 (6.25%) CMS
1 3 (6.25%) Umbraco
2 2 (4.17%) K2 blackpearl
3 1 (2.08%) SharePoint
3 1 (2.08%) Tomcat
Business Applications
1 1 (2.08%) Magento
Cloud Services
1 5 (10.42%) Microsoft Azure
2 3 (6.25%) npm
3 1 (2.08%) Amazon AWS
Communications & Networking
1 20 (41.67%) Internet
2 2 (4.17%) SMS
Database & Business Intelligence
1 36 (75.00%) SQL Server
2 21 (43.75%) SQL Server 2016
3 4 (8.33%) MySQL
4 2 (4.17%) NoSQL
5 1 (2.08%) DB2
5 1 (2.08%) MongoDB
5 1 (2.08%) Redis
5 1 (2.08%) Relational Database
5 1 (2.08%) SQLite
Development Applications
1 8 (16.67%) Visual Studio
2 5 (10.42%) Selenium
3 4 (8.33%) Cucumber
3 4 (8.33%) Jenkins
3 4 (8.33%) NUnit
4 3 (6.25%) Bower
4 3 (6.25%) Git (software)
4 3 (6.25%) Grunt
4 3 (6.25%) gulp
4 3 (6.25%) MSBuild
4 3 (6.25%) MSTest
4 3 (6.25%) NuGet
4 3 (6.25%) Team Foundation Server
4 3 (6.25%) TeamCity
5 1 (2.08%) Jasmine
5 1 (2.08%) JUnit
5 1 (2.08%) Mockito
5 1 (2.08%) ReSharper
5 1 (2.08%) Subversion
5 1 (2.08%) TestNG
General
1 5 (10.42%) Local Government
2 1 (2.08%) Advertising
2 1 (2.08%) Marketing
Job Titles
1 44 (91.67%) Developer
2 37 (77.08%) .NET Developer
3 20 (41.67%) Internet Developer
4 6 (12.50%) ASP.NET Developer
5 4 (8.33%) C# Developer
6 3 (6.25%) ASP.NET MVC Developer
6 3 (6.25%) C# .NET Developer
6 3 (6.25%) C# ASP.NET Developer
6 3 (6.25%) C# Software Engineer
6 3 (6.25%) PHP Developer
6 3 (6.25%) Software Engineer
6 3 (6.25%) SQL Developer
7 2 (4.17%) .NET Software Engineer
7 2 (4.17%) Full Stack Developer
7 2 (4.17%) Java Developer
7 2 (4.17%) PHP Web Developer
7 2 (4.17%) Web Developer
8 1 (2.08%) C++ Software Engineer
8 1 (2.08%) Senior Java Developer
8 1 (2.08%) VB.NET Developer
Libraries, Frameworks & Software Standards
1 42 (87.50%) .NET
2 37 (77.08%) ASP.NET
3 30 (62.50%) ASP.NET MVC
4 27 (56.25%) ASP.NET Web API
5 24 (50.00%) ASP.NET MVC 5
6 23 (47.92%) AngularJS
7 22 (45.83%) RESTful
8 21 (43.75%) KnockoutJS
9 20 (41.67%) Twitter Bootstrap
10 13 (27.08%) HTML
11 11 (22.92%) .NET Framework
11 11 (22.92%) Entity Framework
12 7 (14.58%) CSS
13 6 (12.50%) Ajax
13 6 (12.50%) XML
14 5 (10.42%) XSL
15 4 (8.33%) HTML5
15 4 (8.33%) WCF
15 4 (8.33%) Web Services
16 3 (6.25%) Autofac
Miscellaneous
1 21 (43.75%) Greenfield Project
2 5 (10.42%) Virtual Team
3 3 (6.25%) Computer Science
4 1 (2.08%) Enterprise Software
Processes & Methodologies
1 42 (87.50%) Agile Software Development
2 36 (75.00%) MVC
3 24 (50.00%) BDD
4 22 (45.83%) Web Application Development
5 7 (14.58%) Web Development
6 6 (12.50%) Pair Programming
6 6 (12.50%) Test Automation
7 5 (10.42%) Acceptance Criteria
7 5 (10.42%) Continuous Improvement
7 5 (10.42%) OO
7 5 (10.42%) User Stories
8 4 (8.33%) Scrum
8 4 (8.33%) Software Engineering
9 3 (6.25%) Continuous Integration
9 3 (6.25%) MVVM
9 3 (6.25%) OOP
10 2 (4.17%) Dependency Injection
10 2 (4.17%) Mathematics
10 2 (4.17%) Mentoring
10 2 (4.17%) Open Source
Programming Languages
1 42 (87.50%) C#
2 18 (37.50%) JavaScript
3 11 (22.92%) SQL
4 4 (8.33%) Java
4 4 (8.33%) VB.NET
5 3 (6.25%) C++
5 3 (6.25%) PHP
6 2 (4.17%) C
7 1 (2.08%) Ruby
7 1 (2.08%) T-SQL
Qualifications
1 3 (6.25%) Degree
2 2 (4.17%) SC Cleared
2 2 (4.17%) Security Cleared
3 1 (2.08%) Microsoft Certification
Systems Management
1 1 (2.08%) Systems Management Server (SMS)
Vendors
1 11 (22.92%) Microsoft
2 2 (4.17%) Google
2 2 (4.17%) Twitter
3 1 (2.08%) Facebook
3 1 (2.08%) IBM
3 1 (2.08%) Zend