Period
to 17 February 2018

The following table provides summary statistics for permanent job vacancies advertised in Lancashire 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 February 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
North West > Lancashire
6 months to
17 Feb 2018
Same period 2017 Same period 2016
Rank 25 56 34
Rank change year-on-year +31 -22 +30
Permanent jobs citing TDD 61 33 49
As % of all permanent IT jobs advertised in Lancashire 7.46% 3.41% 5.74%
As % of the Processes & Methodologies category 8.39% 3.79% 6.97%
Number of salaries quoted 54 31 56
Lancashire median annual salary £35,000 £35,000 £38,750
Median salary % change year-on-year - -9.68% -3.13%
10th Percentile £31,625 £30,000 £32,500
90th Percentile £56,250 £42,500 £45,000
North West median annual salary £45,000 £45,000 £40,000
% change year-on-year - +12.50% -

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 Lancashire with a requirement for process or methodology skills.

All Process and Methodology Skills
Lancashire
Permanent vacancies with a requirement for process or methodology skills 727 870 703
As % of all permanent IT jobs advertised in Lancashire 88.88% 89.97% 82.42%
Number of salaries quoted 583 797 560
Lancashire median annual salary £36,000 £37,500 £35,125
Median salary % change year-on-year -4.00% +6.76% +0.36%
10th Percentile £24,000 £22,750 £23,500
90th Percentile £56,250 £48,750 £46,375
North West median annual salary £45,000 £40,000 £40,000
% change year-on-year +12.50% - -

TDD
Job Vacancy Trend in Lancashire

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

Job vacancy trend for TDD in Lancashire

TDD
Salary Trend in Lancashire

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

Salary trend for TDD in Lancashire

TDD
Salary Histogram in Lancashire

The salary distribution of IT jobs citing TDD in Lancashire over the 6 months to 17 February 2018.

Salary histogram for TDD in Lancashire

TDD
Job Locations in Lancashire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing TDD within the Lancashire region over the 6 months to 17 February 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Preston +23 19 £35,000 -6.67% 2
Lancaster -13 11 £47,500 +18.75% 1
Blackpool +6 10 £35,000 - 1
Burnley +4 6 £35,000 -3.45% 1
Blackburn +3 6 £32,500 - 1
Chorley +7 2 £35,000 -12.50% 1
Darwen - 1 £32,500 -
TDD
North West

For the 6 months to 17 February 2018, IT jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the Lancashire region with a requirement for TDD.

1 54 (88.52%) .NET
2 52 (85.25%) C#
3 50 (81.97%) SQL Server
3 50 (81.97%) ASP.NET
3 50 (81.97%) MVC
4 48 (78.69%) ASP.NET MVC
5 47 (77.05%) BDD
5 47 (77.05%) Agile Software Development
6 40 (65.57%) RESTful
6 40 (65.57%) ASP.NET MVC 5
7 39 (63.93%) Web Application Development
8 37 (60.66%) ASP.NET Web API
9 30 (49.18%) SQL Server 2016
10 26 (42.62%) Node.js
10 26 (42.62%) JavaScript
11 25 (40.98%) Git (software)
11 25 (40.98%) AngularJS
12 23 (37.70%) Entity Framework
12 23 (37.70%) .NET Framework
13 22 (36.07%) Ruby
13 22 (36.07%) Twitter Bootstrap
13 22 (36.07%) WCF
13 22 (36.07%) NoSQL
14 19 (31.15%) KnockoutJS
15 17 (27.87%) SQL
16 16 (26.23%) OO
17 15 (24.59%) Continuous Integration
17 15 (24.59%) Code First Entity Framework
18 14 (22.95%) Microsoft
19 12 (19.67%) Greenfield Project

TDD
Co-occurring IT Skills in Lancashire 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:

Application Platforms
1 1 (1.64%) IIS
1 1 (1.64%) NServiceBus
Cloud Services
1 3 (4.92%) Amazon AWS
1 3 (4.92%) SaaS
2 2 (3.28%) npm
2 2 (3.28%) Yarn
Database & Business Intelligence
1 50 (81.97%) SQL Server
2 30 (49.18%) SQL Server 2016
3 22 (36.07%) NoSQL
4 9 (14.75%) SQL Server 2014
5 3 (4.92%) MySQL
6 2 (3.28%) Oracle Database
6 2 (3.28%) PostgreSQL
7 1 (1.64%) Redis
7 1 (1.64%) Relational Database
7 1 (1.64%) SQL Server 2008
7 1 (1.64%) SQL Server 2012
Development Applications
1 25 (40.98%) Git (software)
2 3 (4.92%) JIRA
2 3 (4.92%) Subversion
3 2 (3.28%) Grunt
3 2 (3.28%) gulp
3 2 (3.28%) Jenkins
3 2 (3.28%) Selenium
3 2 (3.28%) Visual Studio
3 2 (3.28%) webpack
4 1 (1.64%) Appium
4 1 (1.64%) Atlassian Bamboo
4 1 (1.64%) Cucumber
4 1 (1.64%) HP UFT
4 1 (1.64%) Jasmine
4 1 (1.64%) SoapUI
4 1 (1.64%) SpecFlow
4 1 (1.64%) SQL Server Management Studio (SSMS)
4 1 (1.64%) Team Foundation Server
General
1 11 (18.03%) Retail
2 7 (11.48%) Games
3 5 (8.20%) Music Industry
4 3 (4.92%) Manufacturing
5 1 (1.64%) Advertising
5 1 (1.64%) Finance
Job Titles
1 59 (96.72%) Developer
2 49 (80.33%) .NET Developer
3 20 (32.79%) C# .NET Developer
3 20 (32.79%) C# Developer
4 19 (31.15%) ASP.NET MVC Developer
5 18 (29.51%) ASP.NET Developer
5 18 (29.51%) C# ASP.NET Developer
6 5 (8.20%) SQL Developer
7 3 (4.92%) Java Developer
7 3 (4.92%) JavaScript Developer
8 2 (3.28%) Applications Developer
8 2 (3.28%) Software Developer
8 2 (3.28%) SQL Server Developer
8 2 (3.28%) Test Automation Engineer
8 2 (3.28%) T-SQL Developer
8 2 (3.28%) Web Developer
9 1 (1.64%) .NET Software Developer
9 1 (1.64%) Junior
9 1 (1.64%) Senior Developer
9 1 (1.64%) Senior JavaScript Developer
Libraries, Frameworks & Software Standards
1 54 (88.52%) .NET
2 50 (81.97%) ASP.NET
3 48 (78.69%) ASP.NET MVC
4 40 (65.57%) ASP.NET MVC 5
4 40 (65.57%) RESTful
5 37 (60.66%) ASP.NET Web API
6 26 (42.62%) Node.js
7 25 (40.98%) AngularJS
8 23 (37.70%) .NET Framework
8 23 (37.70%) Entity Framework
9 22 (36.07%) Twitter Bootstrap
9 22 (36.07%) WCF
10 19 (31.15%) KnockoutJS
11 15 (24.59%) Code First Entity Framework
12 10 (16.39%) CSS
12 10 (16.39%) HTML
13 7 (11.48%) HTML5
14 6 (9.84%) jQuery
15 5 (8.20%) LINQ
15 5 (8.20%) REST
Miscellaneous
1 12 (19.67%) Greenfield Project
2 4 (6.56%) Digital TV
3 1 (1.64%) Analytical Skills
3 1 (1.64%) Enterprise Software
3 1 (1.64%) Management Information System
3 1 (1.64%) Mobile App
Operating Systems
1 5 (8.20%) Windows
2 1 (1.64%) Unix
Processes & Methodologies
1 50 (81.97%) MVC
2 47 (77.05%) Agile Software Development
2 47 (77.05%) BDD
3 39 (63.93%) Web Application Development
4 16 (26.23%) OO
5 15 (24.59%) Continuous Integration
6 11 (18.03%) Dependency Injection
6 11 (18.03%) Scrum
7 7 (11.48%) Business Intelligence
7 7 (11.48%) Test Automation
7 7 (11.48%) Unit Testing
7 7 (11.48%) Web Development
8 5 (8.20%) High Availability
8 5 (8.20%) Workflow
9 3 (4.92%) Re-Platforming
9 3 (4.92%) SDLC
10 2 (3.28%) API Development
10 2 (3.28%) Kanban
10 2 (3.28%) Microservices
10 2 (3.28%) Software Delivery
Programming Languages
1 52 (85.25%) C#
2 26 (42.62%) JavaScript
3 22 (36.07%) Ruby
4 17 (27.87%) SQL
5 6 (9.84%) T-SQL
6 5 (8.20%) VB
6 5 (8.20%) VB.NET
7 4 (6.56%) Java
8 1 (1.64%) PHP
8 1 (1.64%) PowerShell
Qualifications
1 1 (1.64%) ISEB
System Software
1 2 (3.28%) Docker
Vendors
1 14 (22.95%) Microsoft
2 4 (6.56%) Oracle
3 1 (1.64%) Facebook