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 3 months to 28 May 2017 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
3 months to
28 May 2017
Same period 2016 Same period 2015
Rank 36 - 42
Rank change year-on-year - 0  
Contract jobs citing TDD 1 0 8
As % of all contract IT jobs advertised in Lancashire 0.33% - 1.81%
As % of the Processes & Methodologies category 0.38% - 2.17%
Number of daily rates quoted 0 0 5
Median daily rate - - £500
UK excluding London median daily rate £415 £413 £380
% change year-on-year +0.60% +8.55%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £41.50 £42.40 £42.50
% change year-on-year -2.11% -0.24%  

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

Contract Process & Methodology Skills
Lancashire
Contract job vacancies with a requirement for process and methodology skills 265 316 369
As % of all contract IT job vacancies advertised in Lancashire 88.04% 75.96% 83.30%
Number of daily rates quoted 126 195 237
Median daily rate £425 £425 £375
Median daily rate % change year-on-year - +13.33%  
90% offered a daily rate of more than £315 £275 £263
10% offered a daily rate of more than £500 £640 £565
UK excluding London median daily rate £413 £400 £388
% change year-on-year +3.12% +3.22%  
Number of hourly rates quoted 28 28 39
Median hourly rate £40.00 £36.00 £31.40
Median hourly rate % change year-on-year +11.11% +14.64%  
90% offered a hourly rate of more than £26.83 £20.50 £13.00
10% offered a hourly rate of more than £50.00 £47.50 £47.33
UK excluding London median hourly rate £35.00 £32.50 £30.00
% change year-on-year +7.69% +8.33%  

TDD
Job Vacancy Trend in Lancashire

The job posting trend of jobs advertised in Lancashire citing TDD as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

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
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 3 months to 28 May 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Blackburn - 1 - -
Preston - 1 - - 2
TDD
North West

For the 6 months to 28 May 2017, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Lancashire region with a requirement for TDD.

1 16 (59.26%) Test Automation
2 12 (44.44%) Agile Software Development
3 11 (40.74%) ICL
3 11 (40.74%) Software Engineering
3 11 (40.74%) StarTeam
3 11 (40.74%) COBOL
3 11 (40.74%) HP
3 11 (40.74%) VME
3 11 (40.74%) Virtual Machines
4 10 (37.04%) BDD
5 8 (29.63%) Java
6 6 (22.22%) JavaScript
6 6 (22.22%) CSS
6 6 (22.22%) HTML
6 6 (22.22%) High Availability
6 6 (22.22%) Git (software)
6 6 (22.22%) Continuous Delivery
7 5 (18.52%) Integration Testing
7 5 (18.52%) Scrum
7 5 (18.52%) QA
7 5 (18.52%) Selenium
8 4 (14.81%) MVC
8 4 (14.81%) Pair Programming
8 4 (14.81%) HP UFT
8 4 (14.81%) LoadRunner
8 4 (14.81%) Test Management
8 4 (14.81%) Kanban
8 4 (14.81%) Jenkins
8 4 (14.81%) Waterfall
8 4 (14.81%) REST

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 3 (11.11%) Apache
Applications
1 1 (3.70%) Fireworks
1 1 (3.70%) Photoshop
Communications & Networking
1 3 (11.11%) HTTP
Database & Business Intelligence
1 3 (11.11%) CouchDB
1 3 (11.11%) MongoDB
1 3 (11.11%) MySQL
1 3 (11.11%) Neo4j
1 3 (11.11%) NoSQL
1 3 (11.11%) Riak
1 3 (11.11%) SQL Server
2 2 (7.41%) Relational Database
Development Applications
1 11 (40.74%) StarTeam
2 6 (22.22%) Git (software)
3 5 (18.52%) Selenium
4 4 (14.81%) HP UFT
4 4 (14.81%) Jenkins
4 4 (14.81%) LoadRunner
5 2 (7.41%) gulp
6 1 (3.70%) Balsamiq Mockups
6 1 (3.70%) Grunt
6 1 (3.70%) Team Foundation Server
6 1 (3.70%) WebDriver
6 1 (3.70%) webpack
General
1 1 (3.70%) Finance
Job Titles
1 21 (77.78%) Developer
2 8 (29.63%) Java Developer
3 5 (18.52%) Lead Developer
4 3 (11.11%) COBOL Developer
4 3 (11.11%) Front End Developer (Client-Side Developer)
4 3 (11.11%) Senior Developer
5 2 (7.41%) Analyst
5 2 (7.41%) Digital Developer
5 2 (7.41%) QA Analyst
5 2 (7.41%) QA Test Analyst
5 2 (7.41%) Test Analyst
6 1 (3.70%) .NET Developer
6 1 (3.70%) Lead Test Analyst
6 1 (3.70%) Mainframe Developer
6 1 (3.70%) Principal Software Engineer
6 1 (3.70%) Senior Analyst
6 1 (3.70%) Senior COBOL Developer
6 1 (3.70%) Senior Test Analyst
6 1 (3.70%) Software Engineer
6 1 (3.70%) Web Developer
Libraries, Frameworks & Software Standards
1 6 (22.22%) CSS
1 6 (22.22%) HTML
2 4 (14.81%) REST
3 3 (11.11%) Ajax
3 3 (11.11%) DOM
3 3 (11.11%) SAX
3 3 (11.11%) Servlets
3 3 (11.11%) SOAP
3 3 (11.11%) Spring
3 3 (11.11%) Web Services
3 3 (11.11%) XML
3 3 (11.11%) XML Schema
4 2 (7.41%) AngularJS
4 2 (7.41%) Apache Wicket
4 2 (7.41%) Play Framework
4 2 (7.41%) Spring MVC
5 1 (3.70%) CSS3
5 1 (3.70%) KnockoutJS
5 1 (3.70%) LESS
5 1 (3.70%) Razor View Engine
Miscellaneous
1 2 (7.41%) Greenfield Project
1 2 (7.41%) Wiki
2 1 (3.70%) Fintech
2 1 (3.70%) Linux Command Line
2 1 (3.70%) Mainframe
2 1 (3.70%) User Experience
Operating Systems
1 11 (40.74%) VME
2 1 (3.70%) Linux
2 1 (3.70%) Unix
Processes & Methodologies
1 16 (59.26%) Test Automation
2 12 (44.44%) Agile Software Development
3 11 (40.74%) Software Engineering
4 10 (37.04%) BDD
5 6 (22.22%) Continuous Delivery
5 6 (22.22%) High Availability
6 5 (18.52%) Integration Testing
6 5 (18.52%) Scrum
7 4 (14.81%) Kanban
7 4 (14.81%) MVC
7 4 (14.81%) Pair Programming
7 4 (14.81%) Test Management
7 4 (14.81%) Waterfall
8 3 (11.11%) Front End Development
8 3 (11.11%) Microservices
8 3 (11.11%) Operational Acceptance Testing
8 3 (11.11%) Stakeholder Management
8 3 (11.11%) User Acceptance Testing
9 2 (7.41%) Refactoring
9 2 (7.41%) SEO
Programming Languages
1 11 (40.74%) COBOL
2 8 (29.63%) Java
3 6 (22.22%) JavaScript
4 3 (11.11%) SQL
5 2 (7.41%) Groovy
5 2 (7.41%) Python
5 2 (7.41%) Ruby
5 2 (7.41%) Scala
6 1 (3.70%) C#
Qualifications
1 3 (11.11%) BPSS Clearance
1 3 (11.11%) ISEB
2 2 (7.41%) Security Cleared
Quality Assurance & Compliance
1 5 (18.52%) QA
2 1 (3.70%) Disclosure Scotland
System Software
1 11 (40.74%) Virtual Machines
Vendors
1 11 (40.74%) HP
1 11 (40.74%) ICL
2 3 (11.11%) Oracle