The following table provides summary statistics for permanent job vacancies advertised in Redditch 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 25 June 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Worcestershire / Redditch
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 21 17 25
Rank change year-on-year -4 +8  
Permanent jobs citing TDD 3 3 7
As % of all permanent IT jobs advertised in Redditch 6.25% 6.12% 8.64%
As % of the Processes & Methodologies category 7.32% 6.38% 10.14%
Number of salaries quoted 3 3 7
Median salary £40,000 £27,500 £35,000
Median salary % change year-on-year +45.45% -21.42%  
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 Redditch with a requirement for process and methodology skills.

Process & Methodology Skills
Redditch
Permanent job vacancies with a requirement for process and methodology skills 41 47 69
As % of all permanent IT job vacancies advertised in Redditch 85.42% 95.92% 85.19%
Number of salaries quoted 36 47 59
Median salary £40,000 £35,000 £35,000
Median salary % change year-on-year +14.28% -  
90% offered a salary of more than £30,000 £27,500 £33,400
10% offered a salary of more than £55,000 £42,500 £45,000
UK excluding London median salary £45,000 £45,000 £44,000
% change year-on-year - +2.27%  

TDD
Job Vacancy Trend in Redditch

The job posting trend of jobs advertised in Redditch 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 Redditch

TDD
Salary Trend in Redditch

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

Salary trend for TDD in Redditch

For the 6 months to 25 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 Redditch region with a requirement for TDD.

1 8 (100.00%) .NET
1 8 (100.00%) ASP.NET
2 7 (87.50%) SQL Server
2 7 (87.50%) C#
2 7 (87.50%) MVC
2 7 (87.50%) ASP.NET MVC
2 7 (87.50%) AngularJS
2 7 (87.50%) ASP.NET Web API
3 6 (75.00%) BDD
3 6 (75.00%) JavaScript
3 6 (75.00%) Agile Software Development
4 5 (62.50%) Microsoft Azure
5 4 (50.00%) RESTful
5 4 (50.00%) Twitter Bootstrap
5 4 (50.00%) Node.js
5 4 (50.00%) KnockoutJS
5 4 (50.00%) Web Application Development
5 4 (50.00%) ASP.NET MVC 5
5 4 (50.00%) Ruby
5 4 (50.00%) HTML
5 4 (50.00%) CSS
6 3 (37.50%) OO
6 3 (37.50%) Continuous Integration
6 3 (37.50%) Android
6 3 (37.50%) Angular 2
6 3 (37.50%) Greenfield Project
6 3 (37.50%) Continuous Delivery
6 3 (37.50%) SaaS
6 3 (37.50%) Apple iOS
7 2 (25.00%) RabbitMQ

TDD
Co-occurring IT Skills in Redditch 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 (25.00%) Elasticsearch
Cloud Services
1 5 (62.50%) Microsoft Azure
2 3 (37.50%) SaaS
Communications & Networking
1 2 (25.00%) Internet
Database & Business Intelligence
1 7 (87.50%) SQL Server
2 2 (25.00%) MongoDB
2 2 (25.00%) NoSQL
2 2 (25.00%) SQL Server 2014
2 2 (25.00%) SQL Server 2016
Development Applications
1 2 (25.00%) Git (software)
1 2 (25.00%) TeamCity
2 1 (12.50%) Visual Studio
Job Titles
1 6 (75.00%) .NET Developer
1 6 (75.00%) Developer
2 3 (37.50%) ASP.NET Developer
2 3 (37.50%) ASP.NET MVC Developer
2 3 (37.50%) C# .NET Developer
2 3 (37.50%) C# ASP.NET Developer
2 3 (37.50%) C# Developer
2 3 (37.50%) Full Stack Developer
3 2 (25.00%) .NET Development Manager
3 2 (25.00%) Development Manager
3 2 (25.00%) Messaging Developer
4 1 (12.50%) Senior .NET Developer
4 1 (12.50%) Senior ASP.NET Developer
4 1 (12.50%) Senior ASP.NET MVC Developer
4 1 (12.50%) Senior C# .NET Developer
4 1 (12.50%) Senior C# ASP.NET Developer
4 1 (12.50%) Senior C# Developer
4 1 (12.50%) Senior Developer
4 1 (12.50%) Senior Full Stack Developer
Libraries, Frameworks & Software Standards
1 8 (100.00%) .NET
1 8 (100.00%) ASP.NET
2 7 (87.50%) AngularJS
2 7 (87.50%) ASP.NET MVC
2 7 (87.50%) ASP.NET Web API
3 4 (50.00%) ASP.NET MVC 5
3 4 (50.00%) CSS
3 4 (50.00%) HTML
3 4 (50.00%) KnockoutJS
3 4 (50.00%) Node.js
3 4 (50.00%) RESTful
3 4 (50.00%) Twitter Bootstrap
4 3 (37.50%) Angular 2
5 2 (25.00%) .NET Framework
5 2 (25.00%) Code First Entity Framework
5 2 (25.00%) Entity Framework
5 2 (25.00%) MSMQ
5 2 (25.00%) RabbitMQ
5 2 (25.00%) WCF
5 2 (25.00%) WPF
Miscellaneous
1 3 (37.50%) Greenfield Project
Operating Systems
1 3 (37.50%) Android
1 3 (37.50%) Apple iOS
Processes & Methodologies
1 7 (87.50%) MVC
2 6 (75.00%) Agile Software Development
2 6 (75.00%) BDD
3 4 (50.00%) Web Application Development
4 3 (37.50%) Continuous Delivery
4 3 (37.50%) Continuous Integration
4 3 (37.50%) OO
5 2 (25.00%) Dependency Injection
5 2 (25.00%) Kanban
5 2 (25.00%) Multithreading
6 1 (12.50%) OOP
Programming Languages
1 7 (87.50%) C#
2 6 (75.00%) JavaScript
3 4 (50.00%) Ruby
4 2 (25.00%) F#
5 1 (12.50%) SQL
Systems Management
1 2 (25.00%) Business Desktop Deployment
1 2 (25.00%) Kibana
1 2 (25.00%) WSUS
Vendors
1 2 (25.00%) Microsoft