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 4 March 2015 with a comparison to the same period in the previous 2 years.

Location
3 months to
4 Mar 2015
Same period 2014 Same period 2013
Test-Driven Development (TDD)
Rank 8 20 16
Rank change year-on-year
+12 -4
Permanent jobs citing TDD 41 20 18
As % of all permanent IT jobs located in Bolton 23.84% 12.35% 15.25%
As % of the Processes & Methodologies category 26.28% 14.39% 17.31%
Number of salaries quoted 39 20 14
Average salary £42,500 £40,000 £40,000
Average salary % change year-on-year
+6.25% -
UK excluding London average salary £40,000 £40,000 £40,000
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
156 139 104
As % of all permanent IT jobs located in Bolton 90.70% 85.80% 88.14%
Number of salaries quoted 133 130 80
Average salary £42,500 £35,000 £40,000
Average salary % change year-on-year
+21.42% -12.50%
90% offered a salary of more than £27,500 £24,000 £25,500
10% offered a salary of more than £52,500 £50,000 £45,000
UK excluding London average salary £42,500 £42,500 £40,000
% change year-on-year
- +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 4 March 2015.

TDD Salary Histogram in Bolton

TDD
Top 30 Related IT Skills in Bolton

For the 6 months to 4 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 58 (96.67%) Agile Software Development
2 56 (93.33%) C#
3 55 (91.67%) .NET
3 55 (91.67%) MVC
4 54 (90.00%) ASP.NET
5 43 (71.67%) SQL Server
6 42 (70.00%) ASP.NET MVC
7 36 (60.00%) KnockoutJS
7 36 (60.00%) WCF
8 30 (50.00%) Node.js
8 30 (50.00%) Domain-Driven Design
8 30 (50.00%) Web Application Development
9 26 (43.33%) JavaScript
10 24 (40.00%) Streaming Music
10 24 (40.00%) Dependency Injection
10 24 (40.00%) Ninject
11 21 (35.00%) HTML
12 16 (26.67%) Scrum
13 15 (25.00%) Degree
14 14 (23.33%) HTML5
15 13 (21.67%) Web Development
16 12 (20.00%) Computer Science
16 12 (20.00%) OOP
17 11 (18.33%) CSS
17 11 (18.33%) .NET Framework
17 11 (18.33%) AngularJS
18 10 (16.67%) Java
19 9 (15.00%) SQL
19 9 (15.00%) ADO.NET Entity Framework
20 8 (13.33%) Kanban

TDD
Top Related IT Skills in Bolton by Category

For the 6 months to 4 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 30 (50.00%) Node.js
Applications
1 5 (8.33%) MS Excel
Communications & Networking
1 6 (10.00%) Internet
2 1 (1.67%) Intranet
Database & Business Intelligence
1 43 (71.67%) SQL Server
2 6 (10.00%) MongoDB
3 4 (6.67%) SQL Server 2008
4 3 (5.00%) SQLite
5 1 (1.67%) NoSQL
5 1 (1.67%) SQL Server Integration Services
5 1 (1.67%) SQL Server Reporting Services
Development Applications
1 4 (6.67%) NUnit
1 4 (6.67%) ReSharper
1 4 (6.67%) Moq
1 4 (6.67%) SpecFlow
2 3 (5.00%) Git (software)
2 3 (5.00%) Eclipse
3 1 (1.67%) Selenium
3 1 (1.67%) Subversion
General
1 3 (5.00%) Retail
1 3 (5.00%) Finance
2 1 (1.67%) Marketing
2 1 (1.67%) Billing
2 1 (1.67%) Advertising
2 1 (1.67%) Telecoms
Job Titles
1 59 (98.33%) Developer
2 35 (58.33%) .NET Developer
3 15 (25.00%) C# Developer
4 11 (18.33%) C# .NET Developer
5 8 (13.33%) Web Developer
6 7 (11.67%) Software Developer
7 6 (10.00%) C# ASP.NET Developer
7 6 (10.00%) C# Web Developer
8 5 (8.33%) Senior Developer
9 4 (6.67%) Senior C# Developer
10 3 (5.00%) Android Developer
11 2 (3.33%) ASP.NET Developer
11 2 (3.33%) .NET Web Developer
11 2 (3.33%) HTML Developer
11 2 (3.33%) JavaScript Developer
11 2 (3.33%) CSS Developer
12 1 (1.67%) Agile .NET Developer
12 1 (1.67%) Senior .NET Developer
12 1 (1.67%) Java Developer
12 1 (1.67%) Lead Developer
Libraries, Frameworks & Software Standards
1 55 (91.67%) .NET
2 54 (90.00%) ASP.NET
3 42 (70.00%) ASP.NET MVC
4 36 (60.00%) KnockoutJS
4 36 (60.00%) WCF
5 24 (40.00%) Ninject
6 21 (35.00%) HTML
7 14 (23.33%) HTML5
8 11 (18.33%) CSS
8 11 (18.33%) .NET Framework
8 11 (18.33%) AngularJS
9 9 (15.00%) ADO.NET Entity Framework
10 8 (13.33%) jQuery
11 7 (11.67%) Twitter Bootstrap
11 7 (11.67%) ASP.NET Web API
12 6 (10.00%) JSON
13 4 (6.67%) XML
13 4 (6.67%) NHibernate
13 4 (6.67%) ASP.NET MVC 4
13 4 (6.67%) ASP.NET Web Forms
Miscellaneous
1 24 (40.00%) Streaming Music
2 12 (20.00%) Computer Science
3 4 (6.67%) Mobile App
4 1 (1.67%) Social Media
4 1 (1.67%) iSeries
4 1 (1.67%) iPad
4 1 (1.67%) N-Tier
Operating Systems
1 4 (6.67%) Android
2 3 (5.00%) Apple iOS
Processes & Methodologies
1 58 (96.67%) Agile Software Development
2 55 (91.67%) MVC
3 30 (50.00%) Domain-Driven Design
3 30 (50.00%) Web Application Development
4 24 (40.00%) Dependency Injection
5 16 (26.67%) Scrum
6 13 (21.67%) Web Development
7 12 (20.00%) OOP
8 8 (13.33%) Kanban
9 7 (11.67%) BDD
10 6 (10.00%) CQRS
10 6 (10.00%) Continuous Integration
11 4 (6.67%) E-Commerce
11 4 (6.67%) Customer Engagement
11 4 (6.67%) Android Development
11 4 (6.67%) Coaching
12 3 (5.00%) Don't repeat yourself (DRY)
12 3 (5.00%) Unit Testing
12 3 (5.00%) Logistics
12 3 (5.00%) SEO
Programming Languages
1 56 (93.33%) C#
2 26 (43.33%) JavaScript
3 10 (16.67%) Java
4 9 (15.00%) SQL
5 4 (6.67%) VB.NET
6 3 (5.00%) PHP
7 1 (1.67%) Python
7 1 (1.67%) C
7 1 (1.67%) RPG
7 1 (1.67%) C++
Qualifications
1 15 (25.00%) Degree
2 3 (5.00%) VCP4
3 1 (1.67%) ISEB
Systems Management
1 4 (6.67%) Systems Management Server (SMS)
Vendors
1 5 (8.33%) Microsoft
2 4 (6.67%) Facebook
2 4 (6.67%) Twitter
3 1 (1.67%) Oracle
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