Period
to 22 October 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 22 October 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
North West > Lancashire
6 months to
22 Oct 2018
Same period 2017 Same period 2016
Rank 42 22 36
Rank change year-on-year -20 +14 +6
Permanent jobs citing TDD 29 80 51
As % of all permanent IT jobs advertised in Lancashire 3.92% 9.40% 5.91%
As % of the Processes & Methodologies category 4.54% 10.83% 6.52%
Number of salaries quoted 27 74 49
Lancashire median annual salary £37,500 £35,000 £35,000
Median salary % change year-on-year +7.14% - -12.50%
10th Percentile £32,000 £29,750 £27,350
90th Percentile £46,000 £45,000 £42,750
North West median annual salary £50,000 £45,000 £42,500
% change year-on-year +11.11% +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 639 739 782
As % of all permanent IT jobs advertised in Lancashire 86.47% 86.84% 90.61%
Number of salaries quoted 523 604 698
Lancashire median annual salary £37,500 £35,000 £37,500
Median salary % change year-on-year +7.14% -6.67% +5.04%
10th Percentile £26,000 £23,750 £25,425
90th Percentile £60,000 £47,500 £53,380
North West median annual salary £45,000 £42,500 £40,000
% change year-on-year +5.88% +6.25% -

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 22 October 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 22 October 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
Blackburn +4 5 £37,500 -3.85% 5
Preston -16 5 £35,000 - 3
Lytham St Annes - 4 £37,500 -
Accrington - 4 £40,000 -
Lancaster +1 3 £47,500 +18.75%
Blackpool -13 3 £35,000 - 4
Chorley +4 1 £37,500 -6.25%
TDD
North West

For the 6 months to 22 October 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 24 (82.76%) Agile Software Development
2 23 (79.31%) C#
2 23 (79.31%) SQL Server
3 22 (75.86%) .NET
3 22 (75.86%) MVC
4 18 (62.07%) BDD
5 17 (58.62%) RESTful
6 16 (55.17%) ASP.NET
7 15 (51.72%) Git (software)
7 15 (51.72%) ASP.NET MVC
7 15 (51.72%) Web Application Development
7 15 (51.72%) ASP.NET Web API
8 14 (48.28%) SQL Server 2016
9 13 (44.83%) Node.js
9 13 (44.83%) JavaScript
10 12 (41.38%) AngularJS
10 12 (41.38%) ASP.NET MVC 5
10 12 (41.38%) Entity Framework
11 11 (37.93%) .NET Framework
12 9 (31.03%) NoSQL
12 9 (31.03%) Ruby
12 9 (31.03%) WCF
12 9 (31.03%) Scrum
13 7 (24.14%) Continuous Integration
13 7 (24.14%) Dependency Injection
13 7 (24.14%) Code First Entity Framework
13 7 (24.14%) Twitter Bootstrap
14 6 (20.69%) React
14 6 (20.69%) Test Automation
14 6 (20.69%) KnockoutJS

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 (3.45%) NServiceBus
Cloud Services
1 4 (13.79%) npm
1 4 (13.79%) Yarn
2 3 (10.34%) Microsoft Azure
3 1 (3.45%) Amazon AWS
3 1 (3.45%) IBM Cloud
Communications & Networking
1 1 (3.45%) Hyperconnected
1 1 (3.45%) Internet
Database & Business Intelligence
1 23 (79.31%) SQL Server
2 14 (48.28%) SQL Server 2016
3 9 (31.03%) NoSQL
4 4 (13.79%) Relational Database
5 3 (10.34%) PostgreSQL
6 2 (6.90%) RDBMS
6 2 (6.90%) SQL Server 2014
7 1 (3.45%) MySQL
7 1 (3.45%) Redis
7 1 (3.45%) SQL Server 2012
Development Applications
1 15 (51.72%) Git (software)
2 5 (17.24%) Appium
2 5 (17.24%) Selenium
3 4 (13.79%) Protractor
4 3 (10.34%) Jenkins
5 2 (6.90%) Mocha
6 1 (3.45%) Ant
6 1 (3.45%) Artifactory
6 1 (3.45%) Atlassian Bamboo
6 1 (3.45%) Cucumber
6 1 (3.45%) IBM UrbanCode
6 1 (3.45%) JIRA
6 1 (3.45%) JMeter
6 1 (3.45%) Maven
6 1 (3.45%) SoapUI
6 1 (3.45%) Sonatype Nexus
6 1 (3.45%) Team Foundation Server
6 1 (3.45%) Visual Studio
General
1 5 (17.24%) Games
1 5 (17.24%) Marketing
1 5 (17.24%) Retail
2 2 (6.90%) Music Industry
3 1 (3.45%) Back Office
Job Titles
1 28 (96.55%) Developer
2 20 (68.97%) .NET Developer
3 10 (34.48%) C# .NET Developer
3 10 (34.48%) C# Developer
4 8 (27.59%) ASP.NET Developer
4 8 (27.59%) C# ASP.NET Developer
5 5 (17.24%) Games Developer
6 4 (13.79%) Angular Developer
6 4 (13.79%) ASP.NET MVC Developer
6 4 (13.79%) React Developer
6 4 (13.79%) Senior Developer
6 4 (13.79%) Software Developer
7 2 (6.90%) Front End Developer (Client-Side Developer)
7 2 (6.90%) Node.js Developer
7 2 (6.90%) Senior .NET Developer
8 1 (3.45%) .NET Software Developer
8 1 (3.45%) Agile .NET Developer
8 1 (3.45%) Agile C# Developer
8 1 (3.45%) DevOps Engineer
8 1 (3.45%) Senior Front-End Developer
Libraries, Frameworks & Software Standards
1 22 (75.86%) .NET
2 17 (58.62%) RESTful
3 16 (55.17%) ASP.NET
4 15 (51.72%) ASP.NET MVC
4 15 (51.72%) ASP.NET Web API
5 13 (44.83%) Node.js
6 12 (41.38%) AngularJS
6 12 (41.38%) ASP.NET MVC 5
6 12 (41.38%) Entity Framework
7 11 (37.93%) .NET Framework
8 9 (31.03%) WCF
9 7 (24.14%) Code First Entity Framework
9 7 (24.14%) Twitter Bootstrap
10 6 (20.69%) KnockoutJS
10 6 (20.69%) React
11 4 (13.79%) React Native
12 3 (10.34%) ASP.NET Core
13 2 (6.90%) jQuery
13 2 (6.90%) REST
13 2 (6.90%) Swagger
Miscellaneous
1 5 (17.24%) Greenfield Project
2 1 (3.45%) Mobile App
2 1 (3.45%) User Experience
2 1 (3.45%) Wiki
Operating Systems
1 1 (3.45%) Linux
1 1 (3.45%) Windows
Processes & Methodologies
1 24 (82.76%) Agile Software Development
2 22 (75.86%) MVC
3 18 (62.07%) BDD
4 15 (51.72%) Web Application Development
5 9 (31.03%) Scrum
6 7 (24.14%) Continuous Integration
6 7 (24.14%) Dependency Injection
7 6 (20.69%) Kanban
7 6 (20.69%) Test Automation
8 4 (13.79%) Mobile First
9 3 (10.34%) OO
10 2 (6.90%) Business Intelligence
10 2 (6.90%) Front End Development
10 2 (6.90%) High Availability
10 2 (6.90%) Problem-Solving
10 2 (6.90%) SOLID
10 2 (6.90%) Translating Business Requirements
11 1 (3.45%) Configuration Management
11 1 (3.45%) Project Management
11 1 (3.45%) Web Operations
Programming Languages
1 23 (79.31%) C#
2 13 (44.83%) JavaScript
3 9 (31.03%) Ruby
4 3 (10.34%) Java
4 3 (10.34%) SQL
5 1 (3.45%) Bash Shell
5 1 (3.45%) Groovy
5 1 (3.45%) Java 8
5 1 (3.45%) PHP
5 1 (3.45%) Shell Script
5 1 (3.45%) T-SQL
5 1 (3.45%) VB
Qualifications
1 1 (3.45%) Degree
1 1 (3.45%) Security Cleared
Quality Assurance & Compliance
1 1 (3.45%) QA
System Software
1 5 (17.24%) Docker
Systems Management
1 1 (3.45%) Ansible
1 1 (3.45%) Kubernetes
1 1 (3.45%) Opscode Chef
1 1 (3.45%) Puppet
Vendors
1 6 (20.69%) Microsoft
2 1 (3.45%) IBM
2 1 (3.45%) Oracle