The following table provides summary statistics for permanent job vacancies advertised in Preston 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 22 June 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Lancashire / Preston
3 months to
22 Jun 2017
Same period 2016 Same period 2015
Rank 17 23 31
Rank change year-on-year +6 +8  
Permanent jobs citing TDD 23 8 6
As % of all permanent IT jobs advertised in Preston 13.86% 8.33% 3.80%
As % of the Processes & Methodologies category 15.13% 9.09% 4.14%
Number of salaries quoted 20 8 5
Median salary £32,500 £30,000 £40,000
Median salary % change year-on-year +8.33% -25.00%  
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 Preston with a requirement for process and methodology skills.

Process & Methodology Skills
Preston
Permanent job vacancies with a requirement for process and methodology skills 152 88 145
As % of all permanent IT job vacancies advertised in Preston 91.57% 91.67% 91.77%
Number of salaries quoted 131 77 105
Median salary £33,500 £40,000 £40,000
Median salary % change year-on-year -16.25% -  
90% offered a salary of more than £24,500 £27,500 £23,000
10% offered a salary of more than £45,000 £47,500 £63,500
UK excluding London median salary £45,000 £45,000 £44,000
% change year-on-year - +2.27%  

TDD
Job Vacancy Trend in Preston

The job posting trend of jobs advertised in Preston 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 Preston

TDD
Salary Trend in Preston

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

Salary trend for TDD in Preston

TDD
Salary Histogram in Preston

The salary distribution of IT jobs citing TDD in Preston over the 3 months to 22 June 2017.

Salary histogram for TDD in Preston

For the 6 months to 22 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 Preston region with a requirement for TDD.

1 23 (100.00%) C#
2 18 (78.26%) BDD
3 17 (73.91%) ASP.NET MVC
3 17 (73.91%) Entity Framework
3 17 (73.91%) .NET Framework
3 17 (73.91%) .NET
3 17 (73.91%) SQL Server
3 17 (73.91%) ASP.NET
3 17 (73.91%) MVC
4 12 (52.17%) Agile Software Development
4 12 (52.17%) Ruby
4 12 (52.17%) Games
4 12 (52.17%) JavaScript
4 12 (52.17%) Git (software)
4 12 (52.17%) WCF
4 12 (52.17%) Node.js
4 12 (52.17%) KnockoutJS
4 12 (52.17%) Web Application Development
4 12 (52.17%) AngularJS
4 12 (52.17%) Twitter Bootstrap
4 12 (52.17%) RESTful
4 12 (52.17%) ASP.NET Web API
4 12 (52.17%) SQL Server 2016
4 12 (52.17%) ASP.NET MVC 5
4 12 (52.17%) NoSQL
4 12 (52.17%) Code First Entity Framework
5 6 (26.09%) Test Automation
5 6 (26.09%) Selenium
6 5 (21.74%) LINQ
6 5 (21.74%) Unit Testing

TDD
Co-occurring IT Skills in Preston 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 17 (73.91%) SQL Server
2 12 (52.17%) NoSQL
2 12 (52.17%) SQL Server 2016
Development Applications
1 12 (52.17%) Git (software)
2 6 (26.09%) Selenium
General
1 12 (52.17%) Games
Job Titles
1 17 (73.91%) .NET Developer
1 17 (73.91%) Developer
2 5 (21.74%) ASP.NET Developer
2 5 (21.74%) ASP.NET MVC Developer
2 5 (21.74%) C# .NET Developer
2 5 (21.74%) C# ASP.NET Developer
2 5 (21.74%) C# Developer
3 3 (13.04%) Analyst
3 3 (13.04%) Test Analyst
4 2 (8.70%) Automation Test Analyst
4 2 (8.70%) Automation Tester
4 2 (8.70%) Tester
Libraries, Frameworks & Software Standards
1 17 (73.91%) .NET
1 17 (73.91%) .NET Framework
1 17 (73.91%) ASP.NET
1 17 (73.91%) ASP.NET MVC
1 17 (73.91%) Entity Framework
2 12 (52.17%) AngularJS
2 12 (52.17%) ASP.NET MVC 5
2 12 (52.17%) ASP.NET Web API
2 12 (52.17%) Code First Entity Framework
2 12 (52.17%) KnockoutJS
2 12 (52.17%) Node.js
2 12 (52.17%) RESTful
2 12 (52.17%) Twitter Bootstrap
2 12 (52.17%) WCF
3 5 (21.74%) ASP.NET Web Forms
3 5 (21.74%) LINQ
Operating Systems
1 5 (21.74%) Windows
Processes & Methodologies
1 18 (78.26%) BDD
2 17 (73.91%) MVC
3 12 (52.17%) Agile Software Development
3 12 (52.17%) Web Application Development
4 6 (26.09%) Test Automation
5 5 (21.74%) Unit Testing
5 5 (21.74%) Web Development
5 5 (21.74%) Workflow
Programming Languages
1 23 (100.00%) C#
2 12 (52.17%) JavaScript
2 12 (52.17%) Ruby
3 5 (21.74%) SQL
Preston, Lancashire
Dawson & Walsh
Salary: £30000 - £35000 per annum + Bonus + Pension + Benefits
Posted: 3 days ago