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 3 months to 23 June 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Derbyshire / Derby
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 24 21 23
Rank change year-on-year -3 +2  
Permanent jobs citing TDD 15 26 32
As % of all permanent IT jobs advertised in Derby 6.30% 9.03% 10.22%
As % of the Processes & Methodologies category 7.04% 10.40% 11.55%
Number of salaries quoted 14 26 32
Median salary £47,500 £37,500 £37,500
Median salary % change year-on-year +26.66% -  
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 Derby with a requirement for process and methodology skills.

Process & Methodology Skills
Derby
Permanent job vacancies with a requirement for process and methodology skills 213 250 277
As % of all permanent IT job vacancies advertised in Derby 89.50% 86.81% 88.50%
Number of salaries quoted 180 209 235
Median salary £40,000 £35,000 £40,000
Median salary % change year-on-year +14.28% -12.50%  
90% offered a salary of more than £30,000 £25,000 £25,000
10% offered a salary of more than £50,000 £55,000 £52,500
UK excluding London median salary £45,000 £45,000 £44,000
% change year-on-year - +2.27%  

TDD
Job Vacancy Trend in Derby

The job posting trend of jobs advertised in Derby 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 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 3 months to 23 June 2017.

Salary histogram for TDD in Derby

For the 6 months to 23 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 Derby region with a requirement for TDD.

1 21 (75.00%) BDD
2 20 (71.43%) C#
2 20 (71.43%) .NET
2 20 (71.43%) MVC
3 19 (67.86%) SQL Server
4 18 (64.29%) .NET Framework
4 18 (64.29%) Entity Framework
5 17 (60.71%) Agile Software Development
6 14 (50.00%) JavaScript
7 13 (46.43%) Ruby
7 13 (46.43%) RESTful
8 11 (39.29%) ASP.NET MVC
8 11 (39.29%) Node.js
8 11 (39.29%) WCF
8 11 (39.29%) Git (software)
8 11 (39.29%) ASP.NET
8 11 (39.29%) ASP.NET Web API
9 10 (35.71%) Web Application Development
9 10 (35.71%) Enterprise Software
9 10 (35.71%) SQL Server 2016
9 10 (35.71%) ASP.NET MVC 5
9 10 (35.71%) Code First Entity Framework
9 10 (35.71%) Advertising
9 10 (35.71%) NoSQL
9 10 (35.71%) Facebook
10 8 (28.57%) K2 blackpearl
10 8 (28.57%) SC Cleared
10 8 (28.57%) Security Cleared
10 8 (28.57%) Microsoft
11 6 (21.43%) CSS

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 8 (28.57%) K2 blackpearl
Cloud Services
1 1 (3.57%) Amazon AWS
1 1 (3.57%) Microsoft Azure
Communications & Networking
1 1 (3.57%) SMS
Database & Business Intelligence
1 19 (67.86%) SQL Server
2 10 (35.71%) NoSQL
2 10 (35.71%) SQL Server 2016
Development Applications
1 11 (39.29%) Git (software)
2 4 (14.29%) Selenium
3 3 (10.71%) Cucumber
4 1 (3.57%) Jasmine
4 1 (3.57%) Jenkins
4 1 (3.57%) NUnit
4 1 (3.57%) Subversion
4 1 (3.57%) Team Foundation Server
4 1 (3.57%) Visual Studio
General
1 10 (35.71%) Advertising
2 3 (10.71%) Retail
3 1 (3.57%) Marketing
Job Titles
1 25 (89.29%) Developer
2 18 (64.29%) .NET Developer
3 5 (17.86%) Front End Developer (Client-Side Developer)
4 3 (10.71%) .NET Applications Developer
4 3 (10.71%) Applications Developer
4 3 (10.71%) Integration Developer
4 3 (10.71%) QA Leader
4 3 (10.71%) Test Leader
5 2 (7.14%) Software Developer
6 1 (3.57%) Agile C# Developer
6 1 (3.57%) Agile Developer
6 1 (3.57%) C# Developer
6 1 (3.57%) C# Software Developer
6 1 (3.57%) Full Stack Developer
6 1 (3.57%) JavaScript Developer
Libraries, Frameworks & Software Standards
1 20 (71.43%) .NET
2 18 (64.29%) .NET Framework
2 18 (64.29%) Entity Framework
3 13 (46.43%) RESTful
4 11 (39.29%) ASP.NET
4 11 (39.29%) ASP.NET MVC
4 11 (39.29%) ASP.NET Web API
4 11 (39.29%) Node.js
4 11 (39.29%) WCF
5 10 (35.71%) ASP.NET MVC 5
5 10 (35.71%) Code First Entity Framework
6 6 (21.43%) AngularJS
6 6 (21.43%) CSS
6 6 (21.43%) HTML
7 5 (17.86%) jQuery
8 4 (14.29%) React
9 1 (3.57%) ASP.NET Web Forms
9 1 (3.57%) HTML5
9 1 (3.57%) Redux
9 1 (3.57%) Sass
Miscellaneous
1 10 (35.71%) Enterprise Software
2 4 (14.29%) Greenfield Project
3 3 (10.71%) Analytical Skills
4 1 (3.57%) Computer Science
Processes & Methodologies
1 21 (75.00%) BDD
2 20 (71.43%) MVC
3 17 (60.71%) Agile Software Development
4 10 (35.71%) Web Application Development
5 5 (17.86%) Front End Development
5 5 (17.86%) Test Automation
6 4 (14.29%) Mentoring
6 4 (14.29%) Web Design
7 3 (10.71%) Customer Engagement
7 3 (10.71%) Manual Testing
7 3 (10.71%) OOP
7 3 (10.71%) Performance Testing
7 3 (10.71%) Project Management
7 3 (10.71%) Software Testing
7 3 (10.71%) Test Strategy
8 1 (3.57%) Continuous Integration
8 1 (3.57%) Dependency Injection
8 1 (3.57%) Digital Marketing
8 1 (3.57%) Mathematics
8 1 (3.57%) MVVM
Programming Languages
1 20 (71.43%) C#
2 14 (50.00%) JavaScript
3 13 (46.43%) Ruby
4 1 (3.57%) C
4 1 (3.57%) C++
4 1 (3.57%) Java
4 1 (3.57%) VB.NET
Qualifications
1 8 (28.57%) SC Cleared
1 8 (28.57%) Security Cleared
2 4 (14.29%) Degree
Quality Assurance & Compliance
1 3 (10.71%) QA
Vendors
1 10 (35.71%) Facebook
2 8 (28.57%) Microsoft