The following table provides summary statistics for permanent job vacancies advertised in Worcester 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 28 March 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Worcestershire / Worcester
3 months to
28 Mar 2017
Same period 2016 Same period 2015
Rank 21 24 19
Rank change year-on-year +3 -5  
Permanent jobs citing TDD 16 5 3
As % of all permanent IT jobs advertised in Worcester 10.32% 3.14% 3.23%
As % of the Processes & Methodologies category 11.94% 3.70% 3.66%
Number of salaries quoted 16 5 3
Median salary £42,500 £37,500 £23,000
Median salary % change year-on-year +13.33% +63.04%  
90% offered a salary of more than £37,000 £28,500 £22,200
10% offered a salary of more than £45,000 £40,500 £44,600
UK excluding London median salary £45,000 £45,000 £40,500
% change year-on-year - +11.11%  

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 Worcester with a requirement for process and methodology skills.

Process & Methodology Skills
Worcester
Permanent job vacancies with a requirement for process and methodology skills 134 135 82
As % of all permanent IT job vacancies advertised in Worcester 86.45% 84.91% 88.17%
Number of salaries quoted 131 127 78
Median salary £40,000 £35,000 £41,500
Median salary % change year-on-year +14.28% -15.66%  
90% offered a salary of more than £29,000 £25,500 £23,000
10% offered a salary of more than £50,000 £60,000 £50,000
UK excluding London median salary £45,000 £45,000 £43,000
% change year-on-year - +4.65%  

TDD
Job Vacancy Trend in Worcester

The job posting trend of jobs advertised in Worcester 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 Worcester

TDD
Salary Trend in Worcester

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

Salary trend for TDD in Worcester

For the 6 months to 28 March 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 Worcester region with a requirement for TDD.

1 22 (88.00%) Agile Software Development
2 20 (80.00%) KnockoutJS
3 19 (76.00%) JavaScript
4 18 (72.00%) Git (software)
4 18 (72.00%) Node.js
5 17 (68.00%) BDD
6 16 (64.00%) C#
6 16 (64.00%) .NET
7 15 (60.00%) AngularJS
8 14 (56.00%) .NET Framework
9 13 (52.00%) Entity Framework
9 13 (52.00%) ASP.NET
9 13 (52.00%) MVC
10 12 (48.00%) WCF
10 12 (48.00%) ASP.NET Web API
11 11 (44.00%) RESTful
11 11 (44.00%) HTML
12 10 (40.00%) SQL Server
13 9 (36.00%) Games
13 9 (36.00%) Internet
13 9 (36.00%) NoSQL
13 9 (36.00%) ASP.NET MVC
13 9 (36.00%) Automated Testing
13 9 (36.00%) Ruby
13 9 (36.00%) Twitter Bootstrap
13 9 (36.00%) Jasmine
13 9 (36.00%) Web Application Development
13 9 (36.00%) SQL Server 2014
13 9 (36.00%) ASP.NET MVC 5
13 9 (36.00%) Code First Entity Framework

TDD
Co-occurring IT Skills in Worcester 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:

Communications & Networking
1 9 (36.00%) Internet
2 1 (4.00%) Firewall
Database & Business Intelligence
1 10 (40.00%) SQL Server
2 9 (36.00%) NoSQL
2 9 (36.00%) SQL Server 2014
Development Applications
1 18 (72.00%) Git (software)
2 9 (36.00%) Jasmine
3 7 (28.00%) Grunt
3 7 (28.00%) gulp
3 7 (28.00%) JSUnit
3 7 (28.00%) Mocha
3 7 (28.00%) Subversion
4 3 (12.00%) Team Foundation Server
5 1 (4.00%) JIRA
General
1 9 (36.00%) Games
2 7 (28.00%) Marketing
Job Titles
1 22 (88.00%) Developer
2 13 (52.00%) .NET Developer
3 9 (36.00%) Internet Developer
3 9 (36.00%) JavaScript Developer
4 7 (28.00%) Front End Developer (Client-Side Developer)
4 7 (28.00%) HTML CSS Developer
4 7 (28.00%) HTML Developer
5 3 (12.00%) ASP.NET Developer
5 3 (12.00%) Software Engineer
5 3 (12.00%) SQL Developer
6 2 (8.00%) .NET Software Engineer
6 2 (8.00%) Angular Developer
6 2 (8.00%) C# Software Engineer
6 2 (8.00%) Senior Developer
6 2 (8.00%) Senior JavaScript Developer
Libraries, Frameworks & Software Standards
1 20 (80.00%) KnockoutJS
2 18 (72.00%) Node.js
3 16 (64.00%) .NET
4 15 (60.00%) AngularJS
5 14 (56.00%) .NET Framework
6 13 (52.00%) ASP.NET
6 13 (52.00%) Entity Framework
7 12 (48.00%) ASP.NET Web API
7 12 (48.00%) WCF
8 11 (44.00%) HTML
8 11 (44.00%) RESTful
9 9 (36.00%) ASP.NET MVC
9 9 (36.00%) ASP.NET MVC 5
9 9 (36.00%) Code First Entity Framework
9 9 (36.00%) Twitter Bootstrap
10 8 (32.00%) CSS
11 7 (28.00%) Chai
11 7 (28.00%) CSS3
11 7 (28.00%) HTML5
11 7 (28.00%) Sass
Miscellaneous
1 7 (28.00%) Animation
1 7 (28.00%) Mobile App
1 7 (28.00%) User Experience
2 2 (8.00%) Computer Science
Operating Systems
1 1 (4.00%) Linux
Processes & Methodologies
1 22 (88.00%) Agile Software Development
2 17 (68.00%) BDD
3 13 (52.00%) MVC
4 9 (36.00%) Automated Testing
4 9 (36.00%) Web Application Development
5 7 (28.00%) Cross-Browser Compatibility
5 7 (28.00%) Pay per click
5 7 (28.00%) SEO
5 7 (28.00%) Unit Testing
6 4 (16.00%) Scrum
7 3 (12.00%) MVVM
7 3 (12.00%) Software Engineering
8 2 (8.00%) Continuous Integration
8 2 (8.00%) Open Source
8 2 (8.00%) Physics
9 1 (4.00%) Continuous Improvement
9 1 (4.00%) OO
9 1 (4.00%) OOP
9 1 (4.00%) Responsive Web Design
9 1 (4.00%) Software Delivery
Programming Languages
1 19 (76.00%) JavaScript
2 16 (64.00%) C#
3 9 (36.00%) Ruby
4 7 (28.00%) PHP
5 3 (12.00%) SQL
5 3 (12.00%) T-SQL
5 3 (12.00%) VB
6 1 (4.00%) C++
6 1 (4.00%) Java
6 1 (4.00%) VB.NET
Qualifications
1 2 (8.00%) Degree
Quality Assurance & Compliance
1 2 (8.00%) ISO 9000