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

Test-Driven Development (TDD)
Gloucestershire / Gloucester
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 36 42 43
Rank change year-on-year +6 +1  
Permanent jobs citing TDD 7 3 8
As % of all permanent IT jobs advertised in Gloucester 2.98% 1.23% 2.65%
As % of the Processes & Methodologies category 3.48% 1.41% 3.04%
Number of salaries quoted 5 2 8
Median salary £40,500 £55,000 £50,000
Median salary % change year-on-year -26.36% +10.00%  
90% offered a salary of more than £38,500 £55,000 £45,500
10% offered a salary of more than £45,000 £55,000 £63,250
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 Gloucester with a requirement for process and methodology skills.

Process & Methodology Skills
Gloucester
Permanent job vacancies with a requirement for process and methodology skills 201 213 263
As % of all permanent IT job vacancies advertised in Gloucester 85.53% 87.65% 87.09%
Number of salaries quoted 180 127 222
Median salary £45,000 £47,500 £45,000
Median salary % change year-on-year -5.26% +5.55%  
90% offered a salary of more than £32,500 £32,000 £30,000
10% offered a salary of more than £60,500 £65,000 £67,500
UK excluding London median salary £45,000 £45,000 £44,000
% change year-on-year - +2.27%  

TDD
Job Vacancy Trend in Gloucester

The job posting trend of jobs advertised in Gloucester 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 Gloucester

TDD
Salary Trend in Gloucester

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

Salary trend for TDD in Gloucester

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

1 9 (75.00%) C#
2 8 (66.67%) Java
2 8 (66.67%) Agile Software Development
3 6 (50.00%) Software Engineering
3 6 (50.00%) MVC
3 6 (50.00%) .NET
3 6 (50.00%) ASP.NET
3 6 (50.00%) Unit Testing
3 6 (50.00%) ASP.NET MVC
4 5 (41.67%) Security Cleared
4 5 (41.67%) Continuous Integration
4 5 (41.67%) SQL Server
4 5 (41.67%) C++
4 5 (41.67%) Hibernate
4 5 (41.67%) Spring
5 4 (33.33%) JavaScript
5 4 (33.33%) Visual Studio
5 4 (33.33%) Tomcat
5 4 (33.33%) .NET Framework
5 4 (33.33%) Test Automation
5 4 (33.33%) RESTful
5 4 (33.33%) BDD
5 4 (33.33%) User Experience
5 4 (33.33%) ASP.NET Web API
6 3 (25.00%) HMG Security Policy Framework
6 3 (25.00%) Performance Optimisation
6 3 (25.00%) Big Data
6 3 (25.00%) Customer Insight
6 3 (25.00%) REST
6 3 (25.00%) SQL Server 2012

TDD
Co-occurring IT Skills in Gloucester 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 4 (33.33%) Tomcat
2 3 (25.00%) IIS
2 3 (25.00%) WebSphere
3 1 (8.33%) JBoss
Business Applications
1 1 (8.33%) SAP Oil and Gas
Communications & Networking
1 1 (8.33%) Internet
1 1 (8.33%) Wireshark
Database & Business Intelligence
1 5 (41.67%) SQL Server
2 3 (25.00%) Big Data
2 3 (25.00%) SQL Server 2012
3 2 (16.67%) NoSQL
4 1 (8.33%) Hadoop
4 1 (8.33%) MongoDB
4 1 (8.33%) MySQL
4 1 (8.33%) SQL Server 2016
Development Applications
1 4 (33.33%) Visual Studio
2 3 (25.00%) Eclipse
2 3 (25.00%) Maven
2 3 (25.00%) Subversion
3 2 (16.67%) Git (software)
4 1 (8.33%) Hudson
4 1 (8.33%) IDA Disassembler
4 1 (8.33%) Jenkins
4 1 (8.33%) JIRA
4 1 (8.33%) Metasploit
4 1 (8.33%) ReSharper
General
1 2 (16.67%) Electronics
1 2 (16.67%) Finance
2 1 (8.33%) Games
2 1 (8.33%) Legal
2 1 (8.33%) Manufacturing
2 1 (8.33%) Marketing
2 1 (8.33%) Telecoms
Job Titles
1 6 (50.00%) Developer
1 6 (50.00%) Software Engineer
2 3 (25.00%) Java Engineer
2 3 (25.00%) Java Software Engineer
3 2 (16.67%) .NET Developer
3 2 (16.67%) Software Developer
4 1 (8.33%) .NET Software Engineer
4 1 (8.33%) Analyst
4 1 (8.33%) Analyst Developer
4 1 (8.33%) ASP.NET Developer
4 1 (8.33%) C# ASP.NET Developer
4 1 (8.33%) C++ Software Developer
4 1 (8.33%) C++/Java Developer
4 1 (8.33%) Developer Analyst
4 1 (8.33%) Java Developer
4 1 (8.33%) Java Software Developer
4 1 (8.33%) JavaScript Developer
4 1 (8.33%) Security Engineer
4 1 (8.33%) Software Analyst
4 1 (8.33%) Web Developer
Libraries, Frameworks & Software Standards
1 6 (50.00%) .NET
1 6 (50.00%) ASP.NET
1 6 (50.00%) ASP.NET MVC
2 5 (41.67%) Hibernate
2 5 (41.67%) Spring
3 4 (33.33%) .NET Framework
3 4 (33.33%) ASP.NET Web API
3 4 (33.33%) RESTful
4 3 (25.00%) AngularJS
4 3 (25.00%) EJB
4 3 (25.00%) HTML
4 3 (25.00%) Java SE
4 3 (25.00%) jQuery
4 3 (25.00%) Middleware
4 3 (25.00%) REST
4 3 (25.00%) SOAP
4 3 (25.00%) Web Services
5 2 (16.67%) CSS
5 2 (16.67%) KnockoutJS
5 2 (16.67%) Node.js
Miscellaneous
1 4 (33.33%) User Experience
2 3 (25.00%) Mainframe
3 2 (16.67%) Analytical Skills
3 2 (16.67%) Computer Science
4 1 (8.33%) Digital TV
4 1 (8.33%) Internet of Things
Operating Systems
1 2 (16.67%) Linux
1 2 (16.67%) Unix
2 1 (8.33%) Oracle Linux
2 1 (8.33%) Windows
2 1 (8.33%) Windows 10
Processes & Methodologies
1 8 (66.67%) Agile Software Development
2 6 (50.00%) MVC
2 6 (50.00%) Software Engineering
2 6 (50.00%) Unit Testing
3 5 (41.67%) Continuous Integration
4 4 (33.33%) BDD
4 4 (33.33%) Test Automation
5 3 (25.00%) Continuous Deployment
5 3 (25.00%) Customer Insight
5 3 (25.00%) Digital Transformation Programme
5 3 (25.00%) Performance Optimisation
5 3 (25.00%) Web Development
6 2 (16.67%) Analytics
6 2 (16.67%) Data Analytics
7 1 (8.33%) Cybersecurity
7 1 (8.33%) DevOps
7 1 (8.33%) Front End Development
7 1 (8.33%) Low Latency
7 1 (8.33%) Machine Learning
7 1 (8.33%) Web Application Development
Programming Languages
1 9 (75.00%) C#
2 8 (66.67%) Java
3 5 (41.67%) C++
4 4 (33.33%) JavaScript
5 3 (25.00%) SQL
6 2 (16.67%) C
6 2 (16.67%) Python
7 1 (8.33%) Bash Shell
7 1 (8.33%) Perl
7 1 (8.33%) PL/SQL
7 1 (8.33%) TypeScript
Qualifications
1 5 (41.67%) Security Cleared
2 1 (8.33%) Degree
2 1 (8.33%) DV Cleared
Quality Assurance & Compliance
1 3 (25.00%) HMG Security Policy Framework
1 3 (25.00%) ISO/IEC 27001
Systems Management
1 1 (8.33%) Opscode Chef
1 1 (8.33%) Puppet
Vendors
1 3 (25.00%) IBM
2 1 (8.33%) Microsoft
2 1 (8.33%) Oracle
2 1 (8.33%) Red Hat
2 1 (8.33%) RedGate
2 1 (8.33%) SAP