Period
to 19 July 2019

The following table provides summary statistics for contract job vacancies advertised in Lancashire with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 6 months to 19 July 2019 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Test-Driven Development (TDD)
North West > Lancashire
6 months to
19 Jul 2019
Same period 2018 Same period 2017
Rank 54 30 36
Rank change year-on-year -24 +6 +25
Contract jobs citing TDD 11 36 18
As % of all contract IT jobs advertised in Lancashire 1.71% 5.31% 3.37%
As % of the Processes & Methodologies category 1.95% 6.05% 3.79%
Number of daily rates quoted 8 27 19
Lancashire median daily rate £435 £475 £400
Median daily rate % change year-on-year -8.42% +18.75% +6.67%
10th Percentile £324 £363 £335
90th Percentile £474 £553 £645
North West median daily rate £425 £420 £400
% change year-on-year +1.19% +5.00% -
Number of hourly rates quoted 2 0 2
Lancashire median hourly rate £40.37 - £42.50
North West median hourly rate £40.37 - £46.25

TDD is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Lancashire with a requirement for process or methodology skills.

All Process and Methodology Skills
Lancashire
Contract vacancies with a requirement for process or methodology skills 564 595 475
As % of all contract IT jobs advertised in Lancashire 87.44% 87.76% 88.95%
Number of daily rates quoted 413 379 251
Lancashire median daily rate £450 £450 £425
Median daily rate % change year-on-year - +5.88% +9.68%
10th Percentile £278 £273 £313
90th Percentile £629 £575 £538
North West median daily rate £425 £400 £400
% change year-on-year +6.25% - -
Number of hourly rates quoted 45 48 68
Lancashire median hourly rate £36.00 £36.13 £42.25
Median hourly rate % change year-on-year -0.35% -14.50% +12.67%
10th Percentile £12.35 £12.40 £19.65
90th Percentile £47.40 £64.38 £52.65
North West median hourly rate £25.50 £24.13 £36.74
% change year-on-year +5.70% -34.33% +33.59%

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
Contractor Daily Rate Trend in Lancashire

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing TDD in Lancashire.

Contractor daily rate trend for TDD in Lancashire

TDD
Contractor Daily Rate Histogram in Lancashire

The daily rate distribution of IT jobs citing TDD in Lancashire over the 6 months to 19 July 2019.

Contractor daily rate histogram for TDD in Lancashire

TDD
Contractor Hourly Rate Trend in Lancashire

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing TDD in Lancashire.

Contractor hourly rate trend for TDD in Lancashire

TDD
Contract Job Locations in Lancashire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Lancashire region over the 6 months to 19 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Blackpool -9 4 £435 -8.42%
Preston +2 3 £450 -14.29% 2
Blackburn -7 1 £315 -3.08% 2
TDD
North West

For the 6 months to 19 July 2019, IT contractor 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 contract job ads across the Lancashire region with a requirement for TDD.

1 5 (45.45%) Agile Software Development
1 5 (45.45%) JavaScript
1 5 (45.45%) Test Automation
2 4 (36.36%) C#
2 4 (36.36%) .NET
2 4 (36.36%) Jenkins
3 3 (27.27%) SOLID
3 3 (27.27%) Front End Development
3 3 (27.27%) Java
3 3 (27.27%) Git (software)
3 3 (27.27%) Puppet
3 3 (27.27%) Entity Framework
3 3 (27.27%) Node.js
3 3 (27.27%) .NET Framework
4 2 (18.18%) Project Planning
4 2 (18.18%) Selenium
4 2 (18.18%) WPF
4 2 (18.18%) Unit Testing
4 2 (18.18%) Continuous Integration
4 2 (18.18%) Manual Testing
4 2 (18.18%) SC Cleared
4 2 (18.18%) Security Cleared
4 2 (18.18%) REST
4 2 (18.18%) BDD
4 2 (18.18%) Team Foundation Server
4 2 (18.18%) Oracle
4 2 (18.18%) SQL Server
4 2 (18.18%) SQL
4 2 (18.18%) VB
4 2 (18.18%) Visual Studio

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 (9.09%) Confluence
Cloud Services
1 1 (9.09%) npm
1 1 (9.09%) Slack
Database & Business Intelligence
1 2 (18.18%) Oracle Database
1 2 (18.18%) SQL Server
2 1 (9.09%) MongoDB
2 1 (9.09%) Redis
2 1 (9.09%) SQL Server Integration Services
Development Applications
1 4 (36.36%) Jenkins
2 3 (27.27%) Git (software)
3 2 (18.18%) ClearCase
3 2 (18.18%) Rational Robot
3 2 (18.18%) Selenium
3 2 (18.18%) Team Foundation Server
3 2 (18.18%) Visual Studio
3 2 (18.18%) Visual Studio Coded UI
4 1 (9.09%) Cucumber
4 1 (9.09%) GitLab
4 1 (9.09%) gulp
4 1 (9.09%) JIRA
4 1 (9.09%) JUnit
4 1 (9.09%) Mocha
4 1 (9.09%) Sinon.JS
4 1 (9.09%) WebDriver
Job Titles
1 8 (72.73%) Developer
2 2 (18.18%) Automation Tester
2 2 (18.18%) Java Developer
2 2 (18.18%) Java Engineer
2 2 (18.18%) Java Programmer
2 2 (18.18%) JavaScript Developer
2 2 (18.18%) Node.js Developer
2 2 (18.18%) Programmer
2 2 (18.18%) Software Developer
2 2 (18.18%) Tester
3 1 (9.09%) Development Engineer
3 1 (9.09%) Front End Developer (Client-Side Developer)
3 1 (9.09%) QA Automation Tester
3 1 (9.09%) Selenium Automation Tester
3 1 (9.09%) Selenium Tester
3 1 (9.09%) Senior Automation Tester
3 1 (9.09%) Senior QA Tester
3 1 (9.09%) Senior Web Tester
3 1 (9.09%) Web Automation Tester
3 1 (9.09%) Web Tester
Libraries, Frameworks & Software Standards
1 4 (36.36%) .NET
2 3 (27.27%) .NET Framework
2 3 (27.27%) Entity Framework
2 3 (27.27%) Node.js
3 2 (18.18%) REST
3 2 (18.18%) Spring
3 2 (18.18%) Spring Boot
3 2 (18.18%) WinForms
3 2 (18.18%) WPF
3 2 (18.18%) XML
3 2 (18.18%) XSD
3 2 (18.18%) XSLT
4 1 (9.09%) BREW
4 1 (9.09%) Chai
4 1 (9.09%) Compass CSS Framework
4 1 (9.09%) CSS
4 1 (9.09%) jQuery
4 1 (9.09%) Nunjucks
4 1 (9.09%) Vue.js
4 1 (9.09%) Web Services
Miscellaneous
1 1 (9.09%) Greenfield Project
Operating Systems
1 2 (18.18%) Windows
2 1 (9.09%) Linux
Processes & Methodologies
1 5 (45.45%) Agile Software Development
1 5 (45.45%) Test Automation
2 3 (27.27%) Front End Development
2 3 (27.27%) SOLID
3 2 (18.18%) BDD
3 2 (18.18%) Continuous Integration
3 2 (18.18%) Manual Testing
3 2 (18.18%) Microservices
3 2 (18.18%) Project Planning
3 2 (18.18%) Software Engineering
3 2 (18.18%) Technical Debt
3 2 (18.18%) Unit Testing
3 2 (18.18%) User Stories
4 1 (9.09%) Business Intelligence
4 1 (9.09%) ETL
4 1 (9.09%) Integration Testing
4 1 (9.09%) MVC
4 1 (9.09%) QA Automation
4 1 (9.09%) SDET
4 1 (9.09%) Test Scripting
Programming Languages
1 5 (45.45%) JavaScript
2 4 (36.36%) C#
3 3 (27.27%) Java
4 2 (18.18%) ES6
4 2 (18.18%) Java 8
4 2 (18.18%) SQL
4 2 (18.18%) TypeScript
4 2 (18.18%) VB
4 2 (18.18%) VB6
5 1 (9.09%) C
Qualifications
1 2 (18.18%) SC Cleared
1 2 (18.18%) Security Cleared
2 1 (9.09%) DBS Check
Quality Assurance & Compliance
1 1 (9.09%) QA
System Software
1 1 (9.09%) Docker
1 1 (9.09%) VirtualBox
Systems Management
1 3 (27.27%) Puppet
Vendors
1 2 (18.18%) Oracle