Period
to 23 May 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 23 May 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
North West > Lancashire
6 months to
23 May 2018
Same period 2017 Same period 2016
Rank 32 27 39
Rank change year-on-year -5 +12 +21
Permanent jobs citing TDD 56 64 42
As % of all permanent IT jobs advertised in Lancashire 6.54% 7.43% 5.42%
As % of the Processes & Methodologies category 7.24% 8.26% 6.02%
Number of salaries quoted 50 62 53
Lancashire median annual salary £37,500 £32,500 £37,500
Median salary % change year-on-year +15.38% -13.33% -6.25%
10th Percentile £32,500 £29,750 £27,500
90th Percentile £56,250 £45,000 £45,000
North West median annual salary £45,000 £42,500 £40,000
% 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 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 774 775 698
As % of all permanent IT jobs advertised in Lancashire 90.42% 90.01% 90.06%
Number of salaries quoted 654 704 576
Lancashire median annual salary £38,000 £35,000 £35,000
Median salary % change year-on-year +8.57% - -4.85%
10th Percentile £25,825 £21,825 £23,500
90th Percentile £56,250 £47,500 £48,000
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 23 May 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 23 May 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
Lancaster -4 16 £47,500 +18.75%
Preston +9 12 £35,000 +7.69% 1
Burnley -2 7 £35,000 -
Blackburn - 6 £37,500 - 2
Blackpool -3 3 £35,000 +7.69% 2
Chorley - 2 £35,000 - 2
Accrington - 2 £40,000 - 1
Lytham St Annes - 1 £37,500 - 1
TDD
North West

For the 6 months to 23 May 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 47 (83.93%) BDD
2 45 (80.36%) .NET
3 44 (78.57%) SQL Server
4 43 (76.79%) C#
4 43 (76.79%) Agile Software Development
5 39 (69.64%) MVC
6 38 (67.86%) RESTful
7 37 (66.07%) ASP.NET
8 36 (64.29%) ASP.NET MVC
9 35 (62.50%) Web Application Development
10 34 (60.71%) SQL Server 2016
10 34 (60.71%) ASP.NET MVC 5
11 33 (58.93%) ASP.NET Web API
12 22 (39.29%) JavaScript
12 22 (39.29%) Continuous Integration
13 20 (35.71%) AngularJS
13 20 (35.71%) Scrum
14 19 (33.93%) OO
14 19 (33.93%) Microsoft
14 19 (33.93%) Node.js
14 19 (33.93%) Git (software)
14 19 (33.93%) Dependency Injection
15 18 (32.14%) Greenfield Project
16 17 (30.36%) Retail
17 16 (28.57%) .NET Framework
17 16 (28.57%) Entity Framework
18 15 (26.79%) Ruby
18 15 (26.79%) WCF
18 15 (26.79%) NoSQL
19 13 (23.21%) Twitter Bootstrap

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 (1.79%) NServiceBus
Cloud Services
1 9 (16.07%) Amazon AWS
2 7 (12.50%) SaaS
3 4 (7.14%) npm
3 4 (7.14%) Yarn
4 3 (5.36%) Microsoft Azure
5 1 (1.79%) AWS OpsWorks
5 1 (1.79%) IBM Cloud
Database & Business Intelligence
1 44 (78.57%) SQL Server
2 34 (60.71%) SQL Server 2016
3 15 (26.79%) NoSQL
4 3 (5.36%) MySQL
4 3 (5.36%) PostgreSQL
4 3 (5.36%) SQL Server 2014
5 1 (1.79%) Big Data
5 1 (1.79%) Hadoop
5 1 (1.79%) MongoDB
5 1 (1.79%) Oracle Database
5 1 (1.79%) Redis
5 1 (1.79%) Relational Database
5 1 (1.79%) SQL Server 2012
5 1 (1.79%) VoltDB
Development Applications
1 19 (33.93%) Git (software)
2 7 (12.50%) Subversion
3 5 (8.93%) Selenium
4 4 (7.14%) Grunt
4 4 (7.14%) gulp
4 4 (7.14%) JIRA
4 4 (7.14%) webpack
5 3 (5.36%) Jenkins
5 3 (5.36%) SQL Server Management Studio (SSMS)
6 2 (3.57%) Appium
6 2 (3.57%) Cucumber
6 2 (3.57%) SoapUI
7 1 (1.79%) Artifactory
7 1 (1.79%) Atlassian Bamboo
7 1 (1.79%) Jasmine
7 1 (1.79%) Maven
7 1 (1.79%) Mockito
7 1 (1.79%) Sonatype Nexus
7 1 (1.79%) SpecFlow
7 1 (1.79%) Team Foundation Server
General
1 17 (30.36%) Retail
2 8 (14.29%) Music Industry
3 4 (7.14%) Games
3 4 (7.14%) Marketing
4 1 (1.79%) Finance
4 1 (1.79%) Manufacturing
Job Titles
1 53 (94.64%) Developer
2 39 (69.64%) .NET Developer
3 24 (42.86%) C# .NET Developer
3 24 (42.86%) C# Developer
4 20 (35.71%) ASP.NET Developer
4 20 (35.71%) C# ASP.NET Developer
5 18 (32.14%) ASP.NET MVC Developer
6 6 (10.71%) SQL Developer
7 5 (8.93%) Applications Developer
8 4 (7.14%) Games Developer
8 4 (7.14%) Java Developer
8 4 (7.14%) JavaScript Developer
8 4 (7.14%) Software Developer
9 3 (5.36%) T-SQL Developer
10 2 (3.57%) Senior Developer
10 2 (3.57%) SQL Server Developer
10 2 (3.57%) Test Automation Engineer
10 2 (3.57%) Web Developer
11 1 (1.79%) Junior
11 1 (1.79%) Junior Web Developer
Libraries, Frameworks & Software Standards
1 45 (80.36%) .NET
2 38 (67.86%) RESTful
3 37 (66.07%) ASP.NET
4 36 (64.29%) ASP.NET MVC
5 34 (60.71%) ASP.NET MVC 5
6 33 (58.93%) ASP.NET Web API
7 20 (35.71%) AngularJS
8 19 (33.93%) Node.js
9 16 (28.57%) .NET Framework
9 16 (28.57%) Entity Framework
10 15 (26.79%) WCF
11 13 (23.21%) Code First Entity Framework
11 13 (23.21%) Twitter Bootstrap
12 12 (21.43%) KnockoutJS
13 10 (17.86%) HTML
14 9 (16.07%) CSS
15 6 (10.71%) HTML5
16 5 (8.93%) CSS3
17 4 (7.14%) Spring
18 3 (5.36%) jQuery
Miscellaneous
1 18 (32.14%) Greenfield Project
2 1 (1.79%) Management Information System
2 1 (1.79%) Mobile App
Operating Systems
1 3 (5.36%) Unix
2 2 (3.57%) Windows
3 1 (1.79%) Linux
Processes & Methodologies
1 47 (83.93%) BDD
2 43 (76.79%) Agile Software Development
3 39 (69.64%) MVC
4 35 (62.50%) Web Application Development
5 22 (39.29%) Continuous Integration
6 20 (35.71%) Scrum
7 19 (33.93%) Dependency Injection
7 19 (33.93%) OO
8 12 (21.43%) Test Automation
9 8 (14.29%) High Availability
10 7 (12.50%) Re-Platforming
10 7 (12.50%) SDLC
11 5 (8.93%) Kanban
11 5 (8.93%) Microservices
12 4 (7.14%) DevOps
12 4 (7.14%) Unit Testing
13 3 (5.36%) Cross-Browser Compatibility
13 3 (5.36%) Performance Tuning
13 3 (5.36%) Refactoring
14 2 (3.57%) Web Development
Programming Languages
1 43 (76.79%) C#
2 22 (39.29%) JavaScript
3 15 (26.79%) Ruby
4 9 (16.07%) SQL
5 6 (10.71%) Java
6 5 (8.93%) T-SQL
7 4 (7.14%) VB
8 3 (5.36%) PowerShell
8 3 (5.36%) VB.NET
9 1 (1.79%) Bash Shell
9 1 (1.79%) Groovy
9 1 (1.79%) PHP
9 1 (1.79%) Shell Script
Qualifications
1 1 (1.79%) ISEB
1 1 (1.79%) Security Cleared
System Software
1 6 (10.71%) Docker
Systems Management
1 2 (3.57%) Kubernetes
1 2 (3.57%) Opscode Chef
2 1 (1.79%) Ansible
2 1 (1.79%) Puppet
Vendors
1 19 (33.93%) Microsoft
2 4 (7.14%) Oracle
3 1 (1.79%) IBM