The table below looks at the statistics for TDD skills in IT jobs advertised for the Bolton region. Included is a guide to the average salaries offered in IT jobs that have cited TDD over the 3 months to 27 March 2015 with a comparison to the same period in the previous 2 years.

Location
3 months to
27 Mar 2015
Same period 2014 Same period 2013
Test-Driven Development (TDD)
Rank 10 16 15
Rank change year-on-year
+6 -1
Permanent jobs citing TDD 44 34 17
As % of all permanent IT jobs located in Bolton 25.29% 20.24% 15.32%
As % of the Processes & Methodologies category 27.67% 22.52% 18.28%
Number of salaries quoted 43 34 13
Average salary £42,500 £40,000 £40,000
Average salary % change year-on-year
+6.25% -
UK excluding London average salary £41,500 £40,000 £40,000
% change year-on-year
+3.75% -
TDD
Manchester

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
159 151 93
As % of all permanent IT jobs located in Bolton 91.38% 89.88% 83.78%
Number of salaries quoted 138 141 70
Average salary £42,500 £40,000 £40,000
Average salary % change year-on-year
+6.25% -
90% offered a salary of more than £27,500 £25,000 £25,500
10% offered a salary of more than £52,500 £42,500 £50,000
UK excluding London average salary £43,275 £42,500 £40,000
% change year-on-year
+1.82% +6.25%

TDD
Jobs Demand Trend in Bolton

This chart provides a 3-month moving total of permanent IT jobs citing TDD across the Bolton region as a proportion of the total demand within 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 27 March 2015.

TDD Salary Histogram in Bolton

TDD
Top 30 Related IT Skills in Bolton

For the 6 months to 27 March 2015, IT jobs across the Bolton region citing TDD also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of IT job ads sampled that cited TDD.

1 65 (97.01%) Agile Software Development
2 63 (94.03%) MVC
2 63 (94.03%) C#
2 63 (94.03%) .NET
3 62 (92.54%) ASP.NET
4 52 (77.61%) SQL Server
5 49 (73.13%) ASP.NET MVC
6 42 (62.69%) WCF
7 41 (61.19%) KnockoutJS
8 35 (52.24%) Node.js
8 35 (52.24%) Web Application Development
8 35 (52.24%) Domain-Driven Design
9 30 (44.78%) JavaScript
10 26 (38.81%) Streaming Music
10 26 (38.81%) Dependency Injection
10 26 (38.81%) Ninject
11 22 (32.84%) HTML
12 18 (26.87%) Scrum
13 16 (23.88%) Web Development
14 15 (22.39%) Degree
14 15 (22.39%) AngularJS
14 15 (22.39%) HTML5
15 12 (17.91%) .NET Framework
15 12 (17.91%) Computer Science
15 12 (17.91%) CSS
15 12 (17.91%) OOP
16 10 (14.93%) Java
16 10 (14.93%) ADO.NET Entity Framework
16 10 (14.93%) Twitter Bootstrap
17 9 (13.43%) BDD

TDD
Top Related IT Skills in Bolton by Category

For the 6 months to 27 March 2015, IT jobs across the Bolton region citing TDD also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of IT job ads sampled that cited TDD. Up to 20 skills are shown per category.

Application Platforms
1 35 (52.24%) Node.js
Applications
1 4 (5.97%) MS Excel
Cloud Services
1 1 (1.49%) GitHub
Communications & Networking
1 9 (13.43%) Internet
Database & Business Intelligence
1 52 (77.61%) SQL Server
2 6 (8.96%) MongoDB
3 4 (5.97%) SQL Server 2008
4 3 (4.48%) SQLite
5 1 (1.49%) SQL Server Reporting Services
5 1 (1.49%) SQL Server Integration Services
5 1 (1.49%) NoSQL
Development Applications
1 5 (7.46%) SpecFlow
2 4 (5.97%) Moq
2 4 (5.97%) NUnit
2 4 (5.97%) ReSharper
3 3 (4.48%) Git (software)
3 3 (4.48%) Eclipse
4 1 (1.49%) Subversion
General
1 3 (4.48%) Finance
1 3 (4.48%) Retail
2 1 (1.49%) Billing
2 1 (1.49%) Marketing
2 1 (1.49%) Telecoms
Job Titles
1 67 (100.00%) Developer
2 42 (62.69%) .NET Developer
3 18 (26.87%) C# Developer
4 14 (20.90%) C# .NET Developer
5 8 (11.94%) Web Developer
5 8 (11.94%) Software Developer
6 7 (10.45%) C# ASP.NET Developer
7 6 (8.96%) C# Web Developer
8 4 (5.97%) Senior C# Developer
8 4 (5.97%) Senior Developer
9 3 (4.48%) ASP.NET Developer
9 3 (4.48%) Android Developer
10 2 (2.99%) CSS Developer
10 2 (2.99%) JavaScript Developer
10 2 (2.99%) .NET Web Developer
10 2 (2.99%) HTML Developer
11 1 (1.49%) Lead Developer
11 1 (1.49%) Java Developer
11 1 (1.49%) Agile .NET Developer
Libraries, Frameworks & Software Standards
1 63 (94.03%) .NET
2 62 (92.54%) ASP.NET
3 49 (73.13%) ASP.NET MVC
4 42 (62.69%) WCF
5 41 (61.19%) KnockoutJS
6 26 (38.81%) Ninject
7 22 (32.84%) HTML
8 15 (22.39%) HTML5
8 15 (22.39%) AngularJS
9 12 (17.91%) .NET Framework
9 12 (17.91%) CSS
10 10 (14.93%) ADO.NET Entity Framework
10 10 (14.93%) Twitter Bootstrap
11 9 (13.43%) jQuery
12 7 (10.45%) ASP.NET Web API
13 6 (8.96%) ASP.NET MVC 4
13 6 (8.96%) JSON
14 4 (5.97%) NHibernate
14 4 (5.97%) XML
14 4 (5.97%) ASP.NET Web Forms
Miscellaneous
1 26 (38.81%) Streaming Music
2 12 (17.91%) Computer Science
3 4 (5.97%) Mobile App
4 1 (1.49%) iSeries
4 1 (1.49%) Social Media
4 1 (1.49%) iPad
Operating Systems
1 4 (5.97%) Android
2 3 (4.48%) Apple iOS
Processes & Methodologies
1 65 (97.01%) Agile Software Development
2 63 (94.03%) MVC
3 35 (52.24%) Domain-Driven Design
3 35 (52.24%) Web Application Development
4 26 (38.81%) Dependency Injection
5 18 (26.87%) Scrum
6 16 (23.88%) Web Development
7 12 (17.91%) OOP
8 9 (13.43%) Kanban
8 9 (13.43%) BDD
8 9 (13.43%) CQRS
9 6 (8.96%) Coaching
9 6 (8.96%) Continuous Integration
10 5 (7.46%) E-Commerce
11 4 (5.97%) SEO
11 4 (5.97%) Logistics
11 4 (5.97%) Unit Testing
11 4 (5.97%) Customer Engagement
11 4 (5.97%) Android Development
12 3 (4.48%) Don't repeat yourself (DRY)
Programming Languages
1 63 (94.03%) C#
2 30 (44.78%) JavaScript
3 10 (14.93%) Java
4 7 (10.45%) SQL
5 4 (5.97%) VB.NET
6 3 (4.48%) PHP
7 1 (1.49%) RPG
7 1 (1.49%) Objective-C
Qualifications
1 15 (22.39%) Degree
Systems Management
1 4 (5.97%) Systems Management Server (SMS)
Vendors
1 4 (5.97%) Microsoft
1 4 (5.97%) Facebook
1 4 (5.97%) Twitter
2 1 (1.49%) Google
2 1 (1.49%) Oracle
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