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

3 months to
25 Mar 2017
Same period 2016 Same period 2015
Test-Driven Development (TDD)
Manchester / Bolton
Rank 14 15 12
Rank change year-on-year +1 -3  
Permanent jobs citing TDD 20 4 45
As % of all permanent IT jobs advertised in Bolton 15.27% 5.48% 26.16%
As % of the Processes & Methodologies category 17.09% 7.02% 27.78%
Number of salaries quoted 19 3 43
Median salary £45,000 £38,000 £42,500
Median salary % change year-on-year +18.42% -10.58%  
90% offered a salary of more than £27,500 £35,600 £40,000
10% offered a salary of more than £50,000 £43,600 £52,500
UK excluding London median salary £45,000 £45,000 £40,000
% change year-on-year - +12.50%  

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 Bolton with a requirement for process and methodology skills.

Process & Methodology Skills
Bolton
Permanent job vacancies with a requirement for process and methodology skills 117 57 162
As % of all permanent IT job vacancies advertised in Bolton 89.31% 78.08% 94.19%
Number of salaries quoted 104 45 140
Median salary £35,000 £35,500 £42,500
Median salary % change year-on-year -1.40% -16.47%  
90% offered a salary of more than £23,500 £22,000 £30,000
10% offered a salary of more than £50,000 £52,500 £45,000
UK excluding London median salary £45,000 £45,000 £43,000
% change year-on-year - +4.65%  

TDD
Job Vacancy Trend in Bolton

The job posting trend of jobs advertised in Bolton 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 Bolton

TDD
Salary Trend in Bolton

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

Salary trend for TDD in Bolton

TDD
Salary Histogram in Bolton

The salary distribution of IT jobs citing TDD in Bolton over the 3 months to 25 March 2017.

Salary histogram for TDD in Bolton

TDD
Top 30 Related IT Skills in Bolton

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

1 33 (97.06%) C#
1 33 (97.06%) .NET
1 33 (97.06%) SQL Server
2 30 (88.24%) Agile Software Development
3 28 (82.35%) MVC
3 28 (82.35%) ASP.NET
4 24 (70.59%) ASP.NET MVC
5 22 (64.71%) SQL Server 2014
6 18 (52.94%) ASP.NET MVC 5
6 18 (52.94%) BDD
6 18 (52.94%) Domain-Driven Design
6 18 (52.94%) WCF
6 18 (52.94%) OO
7 17 (50.00%) Internet
7 17 (50.00%) Games
7 17 (50.00%) CQRS
7 17 (50.00%) Web Application Development
8 11 (32.35%) Kanban
9 10 (29.41%) NUnit
10 9 (26.47%) WinForms
10 9 (26.47%) WPF
10 9 (26.47%) Web Development
10 9 (26.47%) E-Commerce
11 7 (20.59%) CSS
11 7 (20.59%) HTML
11 7 (20.59%) JavaScript
11 7 (20.59%) Continuous Integration
11 7 (20.59%) SOLID
11 7 (20.59%) AngularJS
12 6 (17.65%) CSS3

TDD
Top Related IT Skills in Bolton 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:

Cloud Services
1 1 (2.94%) Amazon AWS
1 1 (2.94%) Microsoft Azure
Communications & Networking
1 17 (50.00%) Internet
2 5 (14.71%) SMS
Database & Business Intelligence
1 33 (97.06%) SQL Server
2 22 (64.71%) SQL Server 2014
3 5 (14.71%) MongoDB
3 5 (14.71%) Redis
4 1 (2.94%) SQL Server 2012
Development Applications
1 10 (29.41%) NUnit
2 6 (17.65%) Moq
3 5 (14.71%) Mercurial
3 5 (14.71%) MSTest
3 5 (14.71%) Rhino Mocks
3 5 (14.71%) Visual Studio
4 1 (2.94%) ReSharper
4 1 (2.94%) SpecFlow
General
1 17 (50.00%) Games
2 4 (11.76%) Automotive
2 4 (11.76%) Back Office
Job Titles
1 30 (88.24%) Developer
2 29 (85.29%) .NET Developer
3 7 (20.59%) C# .NET Developer
3 7 (20.59%) C# Developer
4 5 (14.71%) .NET Web Developer
4 5 (14.71%) Angular Developer
4 5 (14.71%) C# Web Developer
4 5 (14.71%) Senior .NET Developer
4 5 (14.71%) Senior .NET Web Developer
4 5 (14.71%) Senior C# .NET Developer
4 5 (14.71%) Senior C# Developer
4 5 (14.71%) Senior Developer
4 5 (14.71%) Senior Web Developer
4 5 (14.71%) Web Developer
5 2 (5.88%) ASP.NET Developer
5 2 (5.88%) ASP.NET MVC Developer
5 2 (5.88%) C# ASP.NET Developer
6 1 (2.94%) .NET Software Developer
6 1 (2.94%) Lead Developer
6 1 (2.94%) SQL Developer
Libraries, Frameworks & Software Standards
1 33 (97.06%) .NET
2 28 (82.35%) ASP.NET
3 24 (70.59%) ASP.NET MVC
4 18 (52.94%) ASP.NET MVC 5
4 18 (52.94%) WCF
5 9 (26.47%) WinForms
5 9 (26.47%) WPF
6 7 (20.59%) AngularJS
6 7 (20.59%) CSS
6 7 (20.59%) HTML
7 6 (17.65%) CSS3
7 6 (17.65%) HTML5
8 5 (14.71%) ASP.NET Web Forms
8 5 (14.71%) Castle Windsor
8 5 (14.71%) jQuery
8 5 (14.71%) Ninject
8 5 (14.71%) RabbitMQ
8 5 (14.71%) SignalR
8 5 (14.71%) Spring.NET
8 5 (14.71%) Unity DI Container
Miscellaneous
1 5 (14.71%) iPad
1 5 (14.71%) Social Media
1 5 (14.71%) Tandem
2 1 (2.94%) Computer Science
Operating Systems
1 5 (14.71%) Windows
Processes & Methodologies
1 30 (88.24%) Agile Software Development
2 28 (82.35%) MVC
3 18 (52.94%) BDD
3 18 (52.94%) Domain-Driven Design
3 18 (52.94%) OO
4 17 (50.00%) CQRS
4 17 (50.00%) Web Application Development
5 11 (32.35%) Kanban
6 9 (26.47%) E-Commerce
6 9 (26.47%) Web Development
7 7 (20.59%) Continuous Integration
7 7 (20.59%) SOLID
8 6 (17.65%) OOP
8 6 (17.65%) Scrum
9 5 (14.71%) Continuous Improvement
9 5 (14.71%) Dependency Injection
9 5 (14.71%) Inversion of Control
9 5 (14.71%) MVVM
10 1 (2.94%) Configuration Management
10 1 (2.94%) IT Strategy
Programming Languages
1 33 (97.06%) C#
2 7 (20.59%) JavaScript
3 4 (11.76%) VB.NET
4 1 (2.94%) Java
4 1 (2.94%) SQL
Qualifications
1 1 (2.94%) Degree
Vendors
1 5 (14.71%) Facebook
1 5 (14.71%) Microsoft
Bolton, Lancashire
Destinology Ltd
Salary: Competitive Salary + Benefits
Posted: Yesterday
Bolton, Lancashire
Dawson & Walsh
Salary: £25000 - £30000 per annum + Bonus + Pension + Benefits
Posted: 5 days ago