Period
to 17 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Salford with a requirement for TDD skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited TDD over the 6 months to 17 November 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Manchester > Salford
6 months to
17 Nov 2017
Same period 2016 Same period 2015
Rank 19 19 22
Rank change year-on-year 0 +3 -2
Permanent jobs citing TDD 6 1 6
As % of all permanent IT jobs advertised in Salford 4.69% 1.25% 5.08%
As % of the Processes & Methodologies category 6.32% 1.61% 5.31%
Number of salaries quoted 5 1 5
Salford median annual salary £35,000 £47,500 £42,500
Median salary % change year-on-year -26.32% +11.76% -29.17%
10th Percentile £30,000 £46,250 £33,000
90th Percentile £57,000 £48,750 £45,250
Manchester median annual salary £45,000 £45,000 £42,500
% change year-on-year - +5.88% +6.25%

TDD is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Salford with a requirement for process or methodology skills.

All Process and Methodology Skills
Salford
Permanent vacancies with a requirement for process or methodology skills 95 62 113
As % of all permanent IT jobs advertised in Salford 74.22% 77.50% 95.76%
Number of salaries quoted 81 57 103
Salford median annual salary £40,000 £40,000 £37,500
Median salary % change year-on-year - +6.67% -1.32%
10th Percentile £24,750 £27,300 £26,350
90th Percentile £65,000 £50,000 £50,000
Manchester median annual salary £45,000 £42,500 £40,000
% change year-on-year +5.88% +6.25% +2.56%

TDD
Job Vacancy Trend in Salford

Job postings citing TDD as a percentage of all IT jobs advertised in Salford.

Job vacancy trend for TDD in Salford

TDD
Salary Trend in Salford

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

Salary trend for TDD in Salford

TDD
Salary Histogram in Salford

The salary distribution of IT jobs citing TDD in Salford over the 6 months to 17 November 2017.

Salary histogram for TDD in Salford

For the 6 months to 17 November 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 Salford region with a requirement for TDD.

1 5 (83.33%) Agile Software Development
2 4 (66.67%) Software Engineering
2 4 (66.67%) C#
2 4 (66.67%) OO
3 3 (50.00%) Linux
3 3 (50.00%) OOP
3 3 (50.00%) JMS
3 3 (50.00%) C++
3 3 (50.00%) C
3 3 (50.00%) Java
3 3 (50.00%) JavaScript
3 3 (50.00%) Aerospace
3 3 (50.00%) Scrum
3 3 (50.00%) Requirements Analysis
3 3 (50.00%) REST
3 3 (50.00%) Continuous Delivery
3 3 (50.00%) DevOps
3 3 (50.00%) Microservices
4 2 (33.33%) Node.js
4 2 (33.33%) MVC
4 2 (33.33%) Telecoms
4 2 (33.33%) PHP
4 2 (33.33%) CSS
4 2 (33.33%) HTML
5 1 (16.67%) CRM
5 1 (16.67%) ERP
5 1 (16.67%) .NET
5 1 (16.67%) SQL Server
5 1 (16.67%) ASP.NET
5 1 (16.67%) BBC

TDD
Co-occurring IT Skills in Salford 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:

Database & Business Intelligence
1 1 (16.67%) SQL Server
Development Applications
1 1 (16.67%) Git (software)
1 1 (16.67%) Jasmine
1 1 (16.67%) Mocha
1 1 (16.67%) PHPUnit
1 1 (16.67%) Subversion
General
1 3 (50.00%) Aerospace
2 2 (33.33%) Telecoms
3 1 (16.67%) Games
Job Titles
1 3 (50.00%) Software Engineer
2 2 (33.33%) Developer
3 1 (16.67%) C++ Developer
3 1 (16.67%) C++ Software Developer
3 1 (16.67%) C++/Java Developer
3 1 (16.67%) Java Developer
3 1 (16.67%) Java Software Developer
3 1 (16.67%) Lead Developer
3 1 (16.67%) Software Developer
Libraries, Frameworks & Software Standards
1 3 (50.00%) JMS
1 3 (50.00%) REST
2 2 (33.33%) CSS
2 2 (33.33%) HTML
2 2 (33.33%) Node.js
3 1 (16.67%) .NET
3 1 (16.67%) .NET Framework
3 1 (16.67%) AngularJS
3 1 (16.67%) ASP.NET
3 1 (16.67%) ASP.NET MVC
3 1 (16.67%) ASP.NET Web Forms
3 1 (16.67%) CakePHP
3 1 (16.67%) Entity Framework
3 1 (16.67%) jQuery
3 1 (16.67%) OOCSS
3 1 (16.67%) React
3 1 (16.67%) Sass
Miscellaneous
1 1 (16.67%) BBC
1 1 (16.67%) Greenfield Project
Operating Systems
1 3 (50.00%) Linux
Processes & Methodologies
1 5 (83.33%) Agile Software Development
2 4 (66.67%) OO
2 4 (66.67%) Software Engineering
3 3 (50.00%) Continuous Delivery
3 3 (50.00%) DevOps
3 3 (50.00%) Microservices
3 3 (50.00%) OOP
3 3 (50.00%) Requirements Analysis
3 3 (50.00%) Scrum
4 2 (33.33%) MVC
5 1 (16.67%) BEM - Block Element Modifier
5 1 (16.67%) CRM
5 1 (16.67%) ERP
5 1 (16.67%) Mobile Development
5 1 (16.67%) Refactoring
5 1 (16.67%) SOLID
Programming Languages
1 4 (66.67%) C#
2 3 (50.00%) C
2 3 (50.00%) C++
2 3 (50.00%) Java
2 3 (50.00%) JavaScript
3 2 (33.33%) PHP
Vendors
1 1 (16.67%) Zend