The following table provides summary statistics for permanent job vacancies advertised in Exeter 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 22 June 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Devon / Exeter
3 months to
22 Jun 2017
Same period 2016 Same period 2015
Rank 22 13 17
Rank change year-on-year -9 +4  
Permanent jobs citing TDD 22 36 26
As % of all permanent IT jobs advertised in Exeter 9.69% 16.90% 13.76%
As % of the Processes & Methodologies category 10.38% 18.75% 14.86%
Number of salaries quoted 22 36 25
Median salary £45,000 £42,500 £40,000
Median salary % change year-on-year +5.88% +6.25%  
90% offered a salary of more than £35,000 £27,500 £34,500
10% offered a salary of more than £52,250 £68,750 £50,000
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 Exeter with a requirement for process and methodology skills.

Process & Methodology Skills
Exeter
Permanent job vacancies with a requirement for process and methodology skills 212 192 175
As % of all permanent IT job vacancies advertised in Exeter 93.39% 90.14% 92.59%
Number of salaries quoted 195 166 122
Median salary £37,500 £42,500 £37,500
Median salary % change year-on-year -11.76% +13.33%  
90% offered a salary of more than £27,500 £26,877 £25,000
10% offered a salary of more than £52,500 £50,000 £80,000
UK excluding London median salary £45,000 £45,000 £44,000
% change year-on-year - +2.27%  

TDD
Job Vacancy Trend in Exeter

The job posting trend of jobs advertised in Exeter 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 Exeter

TDD
Salary Trend in Exeter

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

Salary trend for TDD in Exeter

TDD
Salary Histogram in Exeter

The salary distribution of IT jobs citing TDD in Exeter over the 3 months to 22 June 2017.

Salary histogram for TDD in Exeter

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

1 41 (83.67%) C#
1 41 (83.67%) Agile Software Development
2 38 (77.55%) JavaScript
3 32 (65.31%) BDD
4 31 (63.27%) HTML
5 30 (61.22%) .NET
6 26 (53.06%) MVC
6 26 (53.06%) Continuous Integration
7 21 (42.86%) Git (software)
7 21 (42.86%) NoSQL
7 21 (42.86%) Scrum
8 20 (40.82%) Java
9 19 (38.78%) ASP.NET
9 19 (38.78%) CSS
9 19 (38.78%) HTML5
9 19 (38.78%) ASP.NET Web API
9 19 (38.78%) Test Automation
10 17 (34.69%) AngularJS
11 16 (32.65%) Node.js
12 15 (30.61%) Twitter Bootstrap
12 15 (30.61%) SQL Server
13 14 (28.57%) WCF
13 14 (28.57%) Line Management
14 13 (26.53%) .NET Framework
14 13 (26.53%) Entity Framework
15 12 (24.49%) Web Application Development
15 12 (24.49%) RESTful
15 12 (24.49%) ASP.NET MVC
15 12 (24.49%) ISO 9001
15 12 (24.49%) ISO 14001

TDD
Co-occurring IT Skills in Exeter 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 7 (14.29%) IIS
1 7 (14.29%) Tomcat
2 2 (4.08%) Apache
2 2 (4.08%) nginx
2 2 (4.08%) WildFly
Business Applications
1 2 (4.08%) Magento
Cloud Services
1 6 (12.24%) Microsoft Azure
2 4 (8.16%) Amazon AWS
Communications & Networking
1 5 (10.20%) Internet
Database & Business Intelligence
1 21 (42.86%) NoSQL
2 15 (30.61%) SQL Server
3 9 (18.37%) MongoDB
4 7 (14.29%) SQL Server 2014
5 5 (10.20%) SQL Server 2016
6 3 (6.12%) MySQL
7 2 (4.08%) Apache Cassandra
7 2 (4.08%) Big Data
7 2 (4.08%) Redis
7 2 (4.08%) SQL Server 2008
7 2 (4.08%) SQL Server 2012
Development Applications
1 21 (42.86%) Git (software)
2 5 (10.20%) Jasmine
2 5 (10.20%) NUnit
2 5 (10.20%) Selenium
2 5 (10.20%) WebDriver
3 4 (8.16%) Atlassian Bamboo
3 4 (8.16%) Bitbucket
3 4 (8.16%) JIRA
4 2 (4.08%) git-flow
4 2 (4.08%) Grunt
4 2 (4.08%) gulp
4 2 (4.08%) JUnit
4 2 (4.08%) Karma Test Runner
4 2 (4.08%) Team Foundation Server
4 2 (4.08%) Visual Studio
4 2 (4.08%) Xdebug
5 1 (2.04%) Cucumber
General
1 7 (14.29%) Games
2 3 (6.12%) Finance
2 3 (6.12%) Retail
Job Titles
1 31 (63.27%) Developer
2 20 (40.82%) .NET Developer
3 11 (22.45%) Software Team Leader
3 11 (22.45%) Team Leader
4 10 (20.41%) Software Developer
5 9 (18.37%) Development Team Leader
5 9 (18.37%) Software Development Team Leader
6 8 (16.33%) Java Development Team Leader
6 8 (16.33%) Java Team Leader
7 7 (14.29%) Java Developer
8 6 (12.24%) C# .NET Developer
8 6 (12.24%) C# Developer
9 5 (10.20%) .NET Software Developer
9 5 (10.20%) C# Software Developer
9 5 (10.20%) Full Stack Developer
9 5 (10.20%) Senior Developer
10 3 (6.12%) Internet Developer
10 3 (6.12%) Senior Full Stack Developer
10 3 (6.12%) Senior Java Developer
10 3 (6.12%) Technical Leader
Libraries, Frameworks & Software Standards
1 31 (63.27%) HTML
2 30 (61.22%) .NET
3 19 (38.78%) ASP.NET
3 19 (38.78%) ASP.NET Web API
3 19 (38.78%) CSS
3 19 (38.78%) HTML5
4 17 (34.69%) AngularJS
5 16 (32.65%) Node.js
6 15 (30.61%) Twitter Bootstrap
7 14 (28.57%) WCF
8 13 (26.53%) .NET Framework
8 13 (26.53%) Entity Framework
9 12 (24.49%) ASP.NET MVC
9 12 (24.49%) ASP.NET MVC 5
9 12 (24.49%) Code First Entity Framework
9 12 (24.49%) RESTful
10 9 (18.37%) KnockoutJS
10 9 (18.37%) REST
11 7 (14.29%) Java EE
11 7 (14.29%) JSON
Miscellaneous
1 7 (14.29%) Computer Science
2 6 (12.24%) User Experience
3 3 (6.12%) Analytical Skills
3 3 (6.12%) Enterprise Cloud
3 3 (6.12%) Enterprise Software
3 3 (6.12%) Management Information System
4 2 (4.08%) Greenfield Project
Operating Systems
1 3 (6.12%) Windows
Processes & Methodologies
1 41 (83.67%) Agile Software Development
2 32 (65.31%) BDD
3 26 (53.06%) Continuous Integration
3 26 (53.06%) MVC
4 21 (42.86%) Scrum
5 19 (38.78%) Test Automation
6 14 (28.57%) Line Management
7 12 (24.49%) Web Application Development
8 11 (22.45%) Coaching
8 11 (22.45%) Product Management
9 10 (20.41%) Unit Testing
10 9 (18.37%) Integration Testing
11 7 (14.29%) Continuous Deployment
12 5 (10.20%) OOD
12 5 (10.20%) SDLC
13 4 (8.16%) SOLID
14 3 (6.12%) ITIL
14 3 (6.12%) Performance Management
14 3 (6.12%) Resource Management
14 3 (6.12%) Test Management
Programming Languages
1 41 (83.67%) C#
2 38 (77.55%) JavaScript
3 20 (40.82%) Java
4 12 (24.49%) Ruby
5 8 (16.33%) SQL
6 7 (14.29%) C++
7 5 (10.20%) VB.NET
8 3 (6.12%) PHP
8 3 (6.12%) VB
Qualifications
1 8 (16.33%) Degree
2 7 (14.29%) Computer Science Degree
Quality Assurance & Compliance
1 12 (24.49%) ISO 14001
1 12 (24.49%) ISO 9001
2 2 (4.08%) QA
Vendors
1 6 (12.24%) Microsoft
2 4 (8.16%) Oracle