The table below looks at the statistics for TDD skills in IT jobs advertised for the Bolton region. Included is a guide to the salaries offered in IT jobs that have cited TDD over the 3 months to 21 January 2017 with a comparison to the same period over the previous 2 years.

3 months to
21 Jan 2017
Same period 2016 Same period 2015
Test-Driven Development (TDD)
Manchester / Bolton
Rank 14 10 10
Rank change year-on-year
-4 0
Permanent jobs citing TDD 19 8 29
As % of all permanent IT jobs located in Bolton 13.29% 13.33% 22.14%
As % of the Processes & Methodologies category 14.73% 16.67% 24.37%
Number of salaries quoted 19 6 27
Median salary £45,000 £42,500 £42,500
Median salary % change year-on-year
+5.88% -
90% offered a salary of more than £27,500 £42,500 £40,000
10% offered a salary of more than £46,000 £51,250 £43,500
UK excluding London median salary £45,000 £45,000 £40,000
% change year-on-year
- +12.50%

The following table is for comparison with the above and provides statistics for the entire Processes & Methodologies category in permanent jobs advertised in the Bolton region.

Processes & Methodologies Category
Bolton
Permanent IT job ads with a match in the
Processes & Methodologies category
129 48 119
As % of all permanent IT jobs located in Bolton 90.21% 80.00% 90.84%
Number of salaries quoted 122 45 107
Median salary £37,500 £40,000 £40,000
Median salary % change year-on-year
-6.25% -
90% offered a salary of more than £23,000 £27,500 £30,500
10% offered a salary of more than £50,000 £49,000 £45,000
UK excluding London median salary £45,000 £45,000 £42,500
% change year-on-year
- +5.88%

TDD
Jobs Demand Trend in Bolton

The demand trend of job ads across the Bolton region citing TDD as a proportion of all IT jobs with a match in the Processes & Methodologies category.

TDD Jobs Demand Trend in Bolton

TDD
Salary Trend in Bolton

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

TDD Salary Trend in Bolton

TDD
Salary Histogram in Bolton

This chart provides a salary histogram for IT jobs citing TDD across the Bolton region over the 3 months to 21 January 2017.

TDD Salary Histogram in Bolton

TDD
Top 30 Related IT Skills in Bolton

For the 6 months to 21 January 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 43 (93.48%) C#
1 43 (93.48%) .NET
2 42 (91.30%) Agile Software Development
3 41 (89.13%) MVC
4 39 (84.78%) ASP.NET
5 38 (82.61%) ASP.NET MVC
6 36 (78.26%) SQL Server
7 35 (76.09%) OO
8 31 (67.39%) BDD
9 30 (65.22%) SQL Server 2014
9 30 (65.22%) ASP.NET MVC 5
10 27 (58.70%) Internet
11 26 (56.52%) WCF
11 26 (56.52%) Domain-Driven Design
11 26 (56.52%) Games
11 26 (56.52%) CQRS
11 26 (56.52%) Web Application Development
12 15 (32.61%) SOLID
13 14 (30.43%) Scrum
14 13 (28.26%) OOP
14 13 (28.26%) NHibernate
14 13 (28.26%) Entity Framework
15 12 (26.09%) AngularJS
15 12 (26.09%) JavaScript
15 12 (26.09%) HTML
16 11 (23.91%) CSS
16 11 (23.91%) .NET Framework
16 11 (23.91%) Kanban
17 10 (21.74%) Web Development
17 10 (21.74%) HTML5

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:

Applications
1 1 (2.17%) MS Excel
Cloud Services
1 1 (2.17%) GitHub
Communications & Networking
1 27 (58.70%) Internet
2 2 (4.35%) SMS
Database & Business Intelligence
1 36 (78.26%) SQL Server
2 30 (65.22%) SQL Server 2014
3 4 (8.70%) SQL Server 2012
4 2 (4.35%) MongoDB
4 2 (4.35%) Redis
Development Applications
1 4 (8.70%) Moq
1 4 (8.70%) MSTest
1 4 (8.70%) NUnit
1 4 (8.70%) Rhino Mocks
2 2 (4.35%) Mercurial
2 2 (4.35%) Visual Studio
General
1 26 (56.52%) Games
2 1 (2.17%) Marketing
Job Titles
1 46 (100.00%) Developer
2 38 (82.61%) .NET Developer
3 9 (19.57%) C# Developer
3 9 (19.57%) Web Developer
4 7 (15.22%) C# Web Developer
4 7 (15.22%) Senior Developer
5 6 (13.04%) ASP.NET MVC Developer
5 6 (13.04%) C# .NET Developer
5 6 (13.04%) Senior Web Developer
6 5 (10.87%) .NET Web Developer
6 5 (10.87%) Senior C# Developer
7 4 (8.70%) ASP.NET Developer
7 4 (8.70%) C# ASP.NET Developer
8 3 (6.52%) Front End Developer (Client-Side Developer)
8 3 (6.52%) Lead Developer
8 3 (6.52%) Senior .NET Developer
9 2 (4.35%) JavaScript Developer
9 2 (4.35%) Lead .NET Developer
9 2 (4.35%) Lead C# Developer
9 2 (4.35%) Senior .NET Web Developer
Libraries, Frameworks & Software Standards
1 43 (93.48%) .NET
2 39 (84.78%) ASP.NET
3 38 (82.61%) ASP.NET MVC
4 30 (65.22%) ASP.NET MVC 5
5 26 (56.52%) WCF
6 13 (28.26%) Entity Framework
6 13 (28.26%) NHibernate
7 12 (26.09%) AngularJS
7 12 (26.09%) HTML
8 11 (23.91%) .NET Framework
8 11 (23.91%) CSS
9 10 (21.74%) HTML5
10 9 (19.57%) KnockoutJS
11 8 (17.39%) CSS3
12 7 (15.22%) ASP.NET Web Forms
12 7 (15.22%) jQuery
13 4 (8.70%) Spring.NET
13 4 (8.70%) Unity DI Container
13 4 (8.70%) WinForms
13 4 (8.70%) WPF
Miscellaneous
1 6 (13.04%) Computer Science
2 4 (8.70%) Inversion of Control
2 4 (8.70%) Tandem
3 3 (6.52%) Social Media
3 3 (6.52%) User Experience
4 2 (4.35%) iPad
5 1 (2.17%) Blog
Operating Systems
1 4 (8.70%) Windows
Processes & Methodologies
1 42 (91.30%) Agile Software Development
2 41 (89.13%) MVC
3 35 (76.09%) OO
4 31 (67.39%) BDD
5 26 (56.52%) CQRS
5 26 (56.52%) Domain-Driven Design
5 26 (56.52%) Web Application Development
6 15 (32.61%) SOLID
7 14 (30.43%) Scrum
8 13 (28.26%) OOP
9 11 (23.91%) Kanban
10 10 (21.74%) Web Development
11 5 (10.87%) Continuous Integration
12 4 (8.70%) Dependency Injection
12 4 (8.70%) MVVM
12 4 (8.70%) Software Engineering
13 3 (6.52%) E-Commerce
13 3 (6.52%) Front End Development
13 3 (6.52%) Prototyping
13 3 (6.52%) Wireframes
Programming Languages
1 43 (93.48%) C#
2 12 (26.09%) JavaScript
3 1 (2.17%) Java
Qualifications
1 6 (13.04%) Degree
2 1 (2.17%) SC Cleared
2 1 (2.17%) Security Cleared
Vendors
1 6 (13.04%) Microsoft
2 2 (4.35%) Facebook
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