Period
to 22 July 2019

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 July 2019 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
North West > Lancashire
6 months to
22 Jul 2019
Same period 2018 Same period 2017
Rank 86 39 20
Rank change year-on-year -47 -19 +14
Permanent jobs citing TDD 13 46 88
As % of all permanent IT jobs advertised in Lancashire 1.26% 5.23% 10.15%
As % of the Processes & Methodologies category 1.34% 5.80% 11.49%
Number of salaries quoted 4 43 85
Lancashire median annual salary £42,500 £37,500 £35,000
Median salary % change year-on-year +13.33% +7.14% -6.67%
10th Percentile £41,250 £32,500 £29,750
90th Percentile £43,750 £56,250 £45,000
North West median annual salary £52,500 £45,000 £42,500
% change year-on-year +16.67% +5.88% -

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 970 793 766
As % of all permanent IT jobs advertised in Lancashire 94.36% 90.11% 88.35%
Number of salaries quoted 587 681 669
Lancashire median annual salary £40,000 £37,500 £35,000
Median salary % change year-on-year +6.67% +7.14% -
10th Percentile £25,450 £26,000 £22,750
90th Percentile £60,000 £57,000 £47,500
North West median annual salary £45,000 £44,000 £40,500
% change year-on-year +2.27% +8.64% +1.25%

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
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 July 2019. 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
Chorley +15 8 £42,500 +13.33% 5
TDD
North West

For the 6 months to 22 July 2019, 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 13 (100.00%) C#
1 13 (100.00%) OO
1 13 (100.00%) Agile Software Development
1 13 (100.00%) Test Automation
2 9 (69.23%) OOP
2 9 (69.23%) Java
2 9 (69.23%) SQL
2 9 (69.23%) Waterfall
3 7 (53.85%) SQL Server
4 5 (38.46%) SOAP
4 5 (38.46%) CRM
4 5 (38.46%) Broadband
4 5 (38.46%) RDBMS
4 5 (38.46%) .NET
4 5 (38.46%) C++
4 5 (38.46%) Salesforce.com
4 5 (38.46%) Unit Testing
4 5 (38.46%) Telecoms
4 5 (38.46%) Dependency Injection
4 5 (38.46%) REST
4 5 (38.46%) Relational Database
4 5 (38.46%) Line Management
4 5 (38.46%) API Development
4 5 (38.46%) Pega
4 5 (38.46%) Technical Debt
5 4 (30.77%) Ranorex
5 4 (30.77%) SDET
5 4 (30.77%) TestRail
5 4 (30.77%) Mentoring
5 4 (30.77%) Redis

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 4 (30.77%) NServiceBus
Communications & Networking
1 5 (38.46%) Broadband
Database & Business Intelligence
1 7 (53.85%) SQL Server
2 5 (38.46%) RDBMS
2 5 (38.46%) Relational Database
3 4 (30.77%) MySQL
3 4 (30.77%) Redis
3 4 (30.77%) SQL Server 2012
Development Applications
1 4 (30.77%) Atlassian Bamboo
1 4 (30.77%) JIRA
1 4 (30.77%) Ranorex
1 4 (30.77%) Selenium
1 4 (30.77%) TestRail
1 4 (30.77%) Visual Studio
General
1 5 (38.46%) Telecoms
Job Titles
1 9 (69.23%) Developer
2 5 (38.46%) Lead Developer
3 4 (30.77%) Java Engineer
3 4 (30.77%) Senior Java Engineer
3 4 (30.77%) Senior Test Automation Engineer
3 4 (30.77%) Senior Test Engineer
3 4 (30.77%) Software Developer
3 4 (30.77%) Test Automation Engineer
3 4 (30.77%) Test Engineer
Libraries, Frameworks & Software Standards
1 5 (38.46%) .NET
1 5 (38.46%) REST
1 5 (38.46%) SOAP
2 4 (30.77%) AutoMapper
2 4 (30.77%) CSS
2 4 (30.77%) Entity Framework
2 4 (30.77%) HTML
2 4 (30.77%) jQuery
2 4 (30.77%) SignalR
2 4 (30.77%) Twitter Bootstrap
Miscellaneous
1 3 (23.08%) Analytical Skills
Processes & Methodologies
1 13 (100.00%) Agile Software Development
1 13 (100.00%) OO
1 13 (100.00%) Test Automation
2 9 (69.23%) OOP
2 9 (69.23%) Waterfall
3 5 (38.46%) API Development
3 5 (38.46%) CRM
3 5 (38.46%) Dependency Injection
3 5 (38.46%) Line Management
3 5 (38.46%) Technical Debt
3 5 (38.46%) Unit Testing
4 4 (30.77%) BDD
4 4 (30.77%) Inversion of Control
4 4 (30.77%) Mentoring
4 4 (30.77%) MVC
4 4 (30.77%) SDET
4 4 (30.77%) Test Management
4 4 (30.77%) Test Scripting
5 3 (23.08%) Software Architecture
5 3 (23.08%) User Stories
Programming Languages
1 13 (100.00%) C#
2 9 (69.23%) Java
2 9 (69.23%) SQL
3 5 (38.46%) C++
4 4 (30.77%) JavaScript
4 4 (30.77%) PHP
4 4 (30.77%) T-SQL
Systems Management
1 4 (30.77%) HP Quality Center
Vendors
1 5 (38.46%) Pega
1 5 (38.46%) Salesforce.com
2 4 (30.77%) HP
2 4 (30.77%) Microsoft