Period
to 15 December 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 15 December 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
North West > Lancashire
6 months to
15 Dec 2018
Same period 2017 Same period 2016
Rank 51 23 50
Rank change year-on-year -28 +27 -17
Permanent jobs citing TDD 22 63 35
As % of all permanent IT jobs advertised in Lancashire 2.93% 7.41% 3.77%
As % of the Processes & Methodologies category 3.40% 8.45% 4.17%
Number of salaries quoted 17 57 33
Lancashire median annual salary £45,000 £36,000 £35,000
Median salary % change year-on-year +25.00% +2.86% -12.50%
10th Percentile £25,000 £31,250 £27,500
90th Percentile £56,250 £45,000 £42,250
North West median annual salary £50,000 £45,000 £42,960
% change year-on-year +11.11% +4.75% +7.40%

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 647 746 840
As % of all permanent IT jobs advertised in Lancashire 86.27% 87.76% 90.52%
Number of salaries quoted 517 609 771
Lancashire median annual salary £38,500 £35,000 £37,500
Median salary % change year-on-year +10.00% -6.67% +7.14%
10th Percentile £25,000 £23,750 £22,750
90th Percentile £62,322 £55,000 £50,300
North West median annual salary £45,000 £43,000 £40,000
% change year-on-year +4.65% +7.50% -

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 15 December 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 15 December 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 -3 5 £37,500 +15.38% 3
Blackpool -17 4 £48,513 +38.61% 2
Burnley +5 2 - - 2
Preston -11 2 £48,750 +35.42% 3
Lancaster +9 1 £35,000 -20.00%
Poulton-le-Fylde - 1 £25,000 -
TDD
North West

For the 6 months to 15 December 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 20 (90.91%) Agile Software Development
2 12 (54.55%) JavaScript
3 11 (50.00%) C#
3 11 (50.00%) SQL Server
4 10 (45.45%) .NET
4 10 (45.45%) MVC
5 9 (40.91%) Git (software)
5 9 (40.91%) Test Automation
6 8 (36.36%) Node.js
6 8 (36.36%) SQL
7 7 (31.82%) .NET Framework
8 6 (27.27%) PostgreSQL
8 6 (27.27%) Microsoft
8 6 (27.27%) Entity Framework
8 6 (27.27%) Relational Database
9 5 (22.73%) Mentoring
9 5 (22.73%) AngularJS
9 5 (22.73%) BDD
10 4 (18.18%) RESTful
10 4 (18.18%) NoSQL
10 4 (18.18%) Docker
10 4 (18.18%) Appium
10 4 (18.18%) React
10 4 (18.18%) Mobile First
10 4 (18.18%) React Native
10 4 (18.18%) Translating Business Requirements
10 4 (18.18%) Protractor
10 4 (18.18%) SOLID
10 4 (18.18%) Java
10 4 (18.18%) MySQL

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 (4.55%) NServiceBus
Business Applications
1 2 (9.09%) Dynamics CRM
Cloud Services
1 4 (18.18%) npm
1 4 (18.18%) Yarn
2 2 (9.09%) Dynamics 365
3 1 (4.55%) Amazon AWS
Communications & Networking
1 1 (4.55%) Hyperconnected
1 1 (4.55%) Internet
Database & Business Intelligence
1 11 (50.00%) SQL Server
2 6 (27.27%) PostgreSQL
2 6 (27.27%) Relational Database
3 4 (18.18%) MySQL
3 4 (18.18%) NoSQL
4 3 (13.64%) MongoDB
5 2 (9.09%) RDBMS
5 2 (9.09%) SQL Server 2016
6 1 (4.55%) Redis
6 1 (4.55%) SQL Server 2012
Development Applications
1 9 (40.91%) Git (software)
2 4 (18.18%) Appium
2 4 (18.18%) Protractor
2 4 (18.18%) Selenium
3 2 (9.09%) Jenkins
3 2 (9.09%) Mocha
4 1 (4.55%) Atlassian Bamboo
4 1 (4.55%) Visual Studio
General
1 4 (18.18%) Marketing
2 1 (4.55%) Music Industry
2 1 (4.55%) Retail
Job Titles
1 17 (77.27%) Developer
2 7 (31.82%) Senior Developer
3 6 (27.27%) .NET Developer
4 4 (18.18%) Angular Developer
4 4 (18.18%) C# Developer
4 4 (18.18%) React Developer
4 4 (18.18%) Senior .NET Developer
5 3 (13.64%) Software Engineer
6 2 (9.09%) ASP.NET Developer
6 2 (9.09%) ASP.NET MVC Developer
6 2 (9.09%) C# .NET Developer
6 2 (9.09%) C# ASP.NET Developer
6 2 (9.09%) CRM Developer
6 2 (9.09%) Dynamics CRM Developer
6 2 (9.09%) Front End Developer (Client-Side Developer)
6 2 (9.09%) Node.js Developer
6 2 (9.09%) Senior C# Developer
7 1 (4.55%) Agile .NET Developer
7 1 (4.55%) Agile C# Developer
7 1 (4.55%) Senior Front-End Developer
Libraries, Frameworks & Software Standards
1 10 (45.45%) .NET
2 8 (36.36%) Node.js
3 7 (31.82%) .NET Framework
4 6 (27.27%) Entity Framework
5 5 (22.73%) AngularJS
6 4 (18.18%) ASP.NET
6 4 (18.18%) React
6 4 (18.18%) React Native
6 4 (18.18%) RESTful
7 3 (13.64%) CSS
7 3 (13.64%) HTML
7 3 (13.64%) jQuery
7 3 (13.64%) REST
8 2 (9.09%) ASP.NET MVC
8 2 (9.09%) ASP.NET MVC 5
8 2 (9.09%) ASP.NET Web API
8 2 (9.09%) ASP.NET Web Forms
8 2 (9.09%) Spring Boot
8 2 (9.09%) Swagger
8 2 (9.09%) Twitter Bootstrap
Miscellaneous
1 1 (4.55%) EPoS
1 1 (4.55%) Mobile App
1 1 (4.55%) User Experience
1 1 (4.55%) Wiki
Operating Systems
1 2 (9.09%) Linux
1 2 (9.09%) Red Hat Enterprise Linux
Processes & Methodologies
1 20 (90.91%) Agile Software Development
2 10 (45.45%) MVC
3 9 (40.91%) Test Automation
4 5 (22.73%) BDD
4 5 (22.73%) Mentoring
5 4 (18.18%) Mobile First
5 4 (18.18%) Software Engineering
5 4 (18.18%) SOLID
5 4 (18.18%) Translating Business Requirements
6 3 (13.64%) Coaching
6 3 (13.64%) Continuous Integration
6 3 (13.64%) OO
6 3 (13.64%) Open Source
6 3 (13.64%) Problem-Solving
7 2 (9.09%) Active Listening
7 2 (9.09%) Commercial Awareness
7 2 (9.09%) Continuous Deployment
7 2 (9.09%) Root Cause Analysis
7 2 (9.09%) Waterfall
7 2 (9.09%) Web Application Development
Programming Languages
1 12 (54.55%) JavaScript
2 11 (50.00%) C#
3 8 (36.36%) SQL
4 4 (18.18%) Java
5 2 (9.09%) PHP
6 1 (4.55%) ES6
6 1 (4.55%) Java 8
6 1 (4.55%) Ruby
6 1 (4.55%) T-SQL
Quality Assurance & Compliance
1 1 (4.55%) QA
System Software
1 4 (18.18%) Docker
Vendors
1 6 (27.27%) Microsoft