Period
to 22 November 2017

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

Test-Driven Development (TDD)
Derbyshire > Derby
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 34 20 22
Rank change year-on-year -14 +2 +18
Permanent jobs citing TDD 32 55 69
As % of all permanent IT jobs advertised in Derby 6.79% 10.91% 10.90%
As % of the Processes & Methodologies category 7.58% 12.53% 12.23%
Number of salaries quoted 27 61 58
Derby median annual salary £35,000 £37,500 £35,000
Median salary % change year-on-year -6.67% +7.14% -15.15%
10th Percentile £29,600 £28,000 £22,500
90th Percentile £41,750 £42,500 £45,000
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 Derby with a requirement for process or methodology skills.

All Process and Methodology Skills
Derby
Permanent vacancies with a requirement for process or methodology skills 422 439 564
As % of all permanent IT jobs advertised in Derby 89.60% 87.10% 89.10%
Number of salaries quoted 310 362 490
Derby median annual salary £40,000 £37,500 £37,500
Median salary % change year-on-year +6.67% - -
10th Percentile £23,000 £24,025 £22,500
90th Percentile £61,000 £55,000 £55,000
Derbyshire median annual salary £37,500 £37,500 £37,500

TDD
Job Vacancy Trend in Derby

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

Job vacancy trend for TDD in Derby

TDD
Salary Trend in Derby

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

Salary trend for TDD in Derby

TDD
Salary Histogram in Derby

The salary distribution of IT jobs citing TDD in Derby over the 6 months to 22 November 2017.

Salary histogram for TDD in Derby

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

1 30 (93.75%) Agile Software Development
2 29 (90.63%) C#
2 29 (90.63%) .NET
2 29 (90.63%) MVC
3 27 (84.38%) SQL Server
4 24 (75.00%) ASP.NET
4 24 (75.00%) BDD
5 23 (71.88%) ASP.NET MVC
5 23 (71.88%) ASP.NET Web API
6 22 (68.75%) AngularJS
7 21 (65.63%) SQL Server 2016
7 21 (65.63%) ASP.NET MVC 5
7 21 (65.63%) KnockoutJS
7 21 (65.63%) Web Application Development
7 21 (65.63%) Greenfield Project
7 21 (65.63%) RESTful
8 20 (62.50%) Internet
8 20 (62.50%) Twitter Bootstrap
9 6 (18.75%) JavaScript
10 5 (15.63%) Microsoft
10 5 (15.63%) .NET Framework
10 5 (15.63%) Entity Framework
11 4 (12.50%) WCF
11 4 (12.50%) VB.NET
11 4 (12.50%) HTML
11 4 (12.50%) CSS
11 4 (12.50%) Visual Studio
12 3 (9.38%) Scrum
12 3 (9.38%) jQuery
12 3 (9.38%) Team Foundation Server

TDD
Co-occurring IT Skills in Derby 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 2 (6.25%) K2 blackpearl
2 1 (3.13%) SharePoint
Cloud Services
1 1 (3.13%) Amazon AWS
1 1 (3.13%) Microsoft Azure
Communications & Networking
1 20 (62.50%) Internet
2 2 (6.25%) SMS
Database & Business Intelligence
1 27 (84.38%) SQL Server
2 21 (65.63%) SQL Server 2016
3 2 (6.25%) MySQL
4 1 (3.13%) NoSQL
Development Applications
1 4 (12.50%) Visual Studio
2 3 (9.38%) Team Foundation Server
3 2 (6.25%) Git (software)
4 1 (3.13%) Jasmine
4 1 (3.13%) Jenkins
4 1 (3.13%) NUnit
4 1 (3.13%) Selenium
4 1 (3.13%) Subversion
General
1 1 (3.13%) Advertising
Job Titles
1 29 (90.63%) Developer
2 25 (78.13%) .NET Developer
3 20 (62.50%) Internet Developer
4 2 (6.25%) .NET Software Engineer
4 2 (6.25%) C# Software Engineer
4 2 (6.25%) Full Stack Developer
4 2 (6.25%) PHP Developer
4 2 (6.25%) Software Engineer
5 1 (3.13%) .NET Applications Developer
5 1 (3.13%) Agile C# Developer
5 1 (3.13%) Agile Developer
5 1 (3.13%) C# Developer
5 1 (3.13%) C# Software Developer
5 1 (3.13%) Development Director
5 1 (3.13%) Full Stack Web Developer
5 1 (3.13%) PHP Web Developer
5 1 (3.13%) Software Developer
5 1 (3.13%) Software Development Director
5 1 (3.13%) VB.NET Developer
5 1 (3.13%) Web Developer
Libraries, Frameworks & Software Standards
1 29 (90.63%) .NET
2 24 (75.00%) ASP.NET
3 23 (71.88%) ASP.NET MVC
3 23 (71.88%) ASP.NET Web API
4 22 (68.75%) AngularJS
5 21 (65.63%) ASP.NET MVC 5
5 21 (65.63%) KnockoutJS
5 21 (65.63%) RESTful
6 20 (62.50%) Twitter Bootstrap
7 5 (15.63%) .NET Framework
7 5 (15.63%) Entity Framework
8 4 (12.50%) CSS
8 4 (12.50%) HTML
8 4 (12.50%) WCF
9 3 (9.38%) HTML5
9 3 (9.38%) jQuery
10 2 (6.25%) ASP.NET Web Forms
10 2 (6.25%) CSS3
10 2 (6.25%) Laravel
10 2 (6.25%) Web Services
Miscellaneous
1 21 (65.63%) Greenfield Project
2 2 (6.25%) Computer Science
3 1 (3.13%) Enterprise Software
Processes & Methodologies
1 30 (93.75%) Agile Software Development
2 29 (90.63%) MVC
3 24 (75.00%) BDD
4 21 (65.63%) Web Application Development
5 3 (9.38%) Scrum
5 3 (9.38%) Test Automation
6 2 (6.25%) Dependency Injection
6 2 (6.25%) Mathematics
6 2 (6.25%) MVVM
6 2 (6.25%) OO
6 2 (6.25%) Software Engineering
7 1 (3.13%) Continuous Integration
7 1 (3.13%) E-Commerce
7 1 (3.13%) Mentoring
7 1 (3.13%) Mobile Development
7 1 (3.13%) OO PHP
7 1 (3.13%) Open Source
7 1 (3.13%) SDLC
7 1 (3.13%) SOA
7 1 (3.13%) Unit Testing
Programming Languages
1 29 (90.63%) C#
2 6 (18.75%) JavaScript
3 4 (12.50%) VB.NET
4 2 (6.25%) C
4 2 (6.25%) C++
4 2 (6.25%) Java
4 2 (6.25%) PHP
5 1 (3.13%) Ruby
5 1 (3.13%) T-SQL
Qualifications
1 2 (6.25%) Degree
1 2 (6.25%) SC Cleared
1 2 (6.25%) Security Cleared
2 1 (3.13%) Microsoft Certification
Systems Management
1 1 (3.13%) Systems Management Server (SMS)
Vendors
1 5 (15.63%) Microsoft
2 1 (3.13%) Facebook
2 1 (3.13%) Zend