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 June 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Manchester / Bolton
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 17 19 8
Rank change year-on-year +2 -11  
Permanent jobs citing TDD 12 10 23
As % of all permanent IT jobs advertised in Bolton 11.21% 9.62% 18.40%
As % of the Processes & Methodologies category 11.65% 10.10% 21.30%
Number of salaries quoted 11 8 23
Median salary £40,000 £45,000 £42,500
Median salary % change year-on-year -11.11% +5.88%  
90% offered a salary of more than £37,500 £45,000 £37,500
10% offered a salary of more than £75,000 £45,000 £45,000
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 Bolton with a requirement for process and methodology skills.

Process & Methodology Skills
Bolton
Permanent job vacancies with a requirement for process and methodology skills 103 99 108
As % of all permanent IT job vacancies advertised in Bolton 96.26% 95.19% 86.40%
Number of salaries quoted 84 86 103
Median salary £35,000 £37,500 £42,500
Median salary % change year-on-year -6.66% -11.76%  
90% offered a salary of more than £29,000 £30,000 £25,000
10% offered a salary of more than £60,250 £45,000 £45,000
UK excluding London median salary £45,000 £45,000 £44,000
% change year-on-year - +2.27%  

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 June 2017.

Salary histogram for TDD in Bolton

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 Bolton region with a requirement for TDD.

1 32 (100.00%) C#
1 32 (100.00%) .NET
2 29 (90.63%) SQL Server
3 27 (84.38%) ASP.NET
3 27 (84.38%) MVC
4 24 (75.00%) Agile Software Development
5 21 (65.63%) ASP.NET MVC
6 15 (46.88%) BDD
6 15 (46.88%) ASP.NET Web API
7 14 (43.75%) JavaScript
8 13 (40.63%) Web Application Development
8 13 (40.63%) ASP.NET MVC 5
9 12 (37.50%) Kanban
9 12 (37.50%) Web Development
10 11 (34.38%) Scrum
10 11 (34.38%) AngularJS
10 11 (34.38%) Facebook
11 10 (31.25%) SQL Server 2014
11 10 (31.25%) Greenfield Project
11 10 (31.25%) WCF
11 10 (31.25%) NUnit
11 10 (31.25%) Continuous Integration
12 9 (28.13%) Dependency Injection
12 9 (28.13%) WPF
12 9 (28.13%) WinForms
12 9 (28.13%) Internet
12 9 (28.13%) HTML
12 9 (28.13%) E-Commerce
13 8 (25.00%) Microsoft
13 8 (25.00%) RESTful

TDD
Co-occurring 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 (3.13%) Amazon AWS
1 1 (3.13%) Microsoft Azure
Communications & Networking
1 9 (28.13%) Internet
2 5 (15.63%) SMS
Database & Business Intelligence
1 29 (90.63%) SQL Server
2 10 (31.25%) SQL Server 2014
3 8 (25.00%) SQL Server 2016
4 7 (21.88%) MongoDB
5 5 (15.63%) Redis
6 4 (12.50%) NoSQL
Development Applications
1 10 (31.25%) NUnit
2 6 (18.75%) Moq
3 5 (15.63%) Mercurial
3 5 (15.63%) MSTest
3 5 (15.63%) Rhino Mocks
3 5 (15.63%) Visual Studio
4 4 (12.50%) Git (software)
5 1 (3.13%) ReSharper
5 1 (3.13%) SpecFlow
5 1 (3.13%) TeamCity
General
1 5 (15.63%) Games
2 4 (12.50%) Advertising
2 4 (12.50%) Automotive
2 4 (12.50%) Back Office
2 4 (12.50%) Marketing
Job Titles
1 24 (75.00%) Developer
2 22 (68.75%) .NET Developer
3 9 (28.13%) C# Developer
4 8 (25.00%) C# .NET Developer
5 7 (21.88%) .NET Web Developer
5 7 (21.88%) C# Web Developer
5 7 (21.88%) Web Developer
6 5 (15.63%) Angular Developer
6 5 (15.63%) Senior .NET Developer
6 5 (15.63%) Senior .NET Web Developer
6 5 (15.63%) Senior C# .NET Developer
6 5 (15.63%) Senior C# Developer
6 5 (15.63%) Senior Developer
6 5 (15.63%) Senior Web Developer
7 4 (12.50%) .NET Development Manager
7 4 (12.50%) Development Manager
8 3 (9.38%) ASP.NET MVC Developer
9 2 (6.25%) Software Developer
10 1 (3.13%) ASP.NET Developer
10 1 (3.13%) SQL Developer
Libraries, Frameworks & Software Standards
1 32 (100.00%) .NET
2 27 (84.38%) ASP.NET
3 21 (65.63%) ASP.NET MVC
4 15 (46.88%) ASP.NET Web API
5 13 (40.63%) ASP.NET MVC 5
6 11 (34.38%) AngularJS
7 10 (31.25%) WCF
8 9 (28.13%) HTML
8 9 (28.13%) WinForms
8 9 (28.13%) WPF
9 8 (25.00%) RESTful
10 7 (21.88%) CSS
10 7 (21.88%) HTML5
11 6 (18.75%) jQuery
12 5 (15.63%) Castle Windsor
12 5 (15.63%) Ninject
12 5 (15.63%) RabbitMQ
12 5 (15.63%) SignalR
12 5 (15.63%) Spring.NET
12 5 (15.63%) Unity DI Container
Miscellaneous
1 10 (31.25%) Greenfield Project
2 5 (15.63%) iPad
2 5 (15.63%) Social Media
2 5 (15.63%) Tandem
3 2 (6.25%) Computer Science
Operating Systems
1 5 (15.63%) Windows
Processes & Methodologies
1 27 (84.38%) MVC
2 24 (75.00%) Agile Software Development
3 15 (46.88%) BDD
4 13 (40.63%) Web Application Development
5 12 (37.50%) Kanban
5 12 (37.50%) Web Development
6 11 (34.38%) Scrum
7 10 (31.25%) Continuous Integration
8 9 (28.13%) Dependency Injection
8 9 (28.13%) E-Commerce
9 8 (25.00%) SOLID
10 7 (21.88%) OOP
11 6 (18.75%) Domain-Driven Design
12 5 (15.63%) Continuous Improvement
12 5 (15.63%) CQRS
12 5 (15.63%) Inversion of Control
12 5 (15.63%) MVVM
12 5 (15.63%) OO
13 2 (6.25%) Customer Engagement
14 1 (3.13%) Test Automation
Programming Languages
1 32 (100.00%) C#
2 14 (43.75%) JavaScript
3 4 (12.50%) Ruby
3 4 (12.50%) VB.NET
4 3 (9.38%) SQL
Qualifications
1 2 (6.25%) Computer Science Degree
1 2 (6.25%) Degree
Systems Management
1 2 (6.25%) Systems Management Server (SMS)
Vendors
1 11 (34.38%) Facebook
2 8 (25.00%) Microsoft
3 2 (6.25%) Twitter
Bolton, Lancashire
Dawson & Walsh
Salary: £30000 - £45000 per annum + Bonus + Pension + Benefits
Posted: 6 days ago
Bolton, Lancashire
Dawson & Walsh
Salary: £70000 - £80000 per annum + Bonus + Pension + Benefits
Posted: 6 days ago