The following table provides summary statistics for contract job vacancies advertised in West Lothian 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 24 June 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)
Scotland / West Lothian
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 7 6 18
Rank change year-on-year -1 +12  
Contract jobs citing TDD 5 5 4
As % of all contract IT jobs advertised in West Lothian 16.13% 15.63% 4.49%
As % of the Processes & Methodologies category 17.24% 16.67% 5.13%
Number of daily rates quoted 3 4 3
Median daily rate £375 £423 £325
Median daily rate % change year-on-year -11.24% +30.00%  
UK excluding London median daily rate £420 £413 £375
% change year-on-year +1.81% +10.00%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £41.50 £40.00 £42.50
% change year-on-year +3.75% -5.88%  

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 West Lothian with a requirement for process and methodology skills.

Contract Process & Methodology Skills
West Lothian
Contract job vacancies with a requirement for process and methodology skills 29 30 78
As % of all contract IT job vacancies advertised in West Lothian 93.55% 93.75% 87.64%
Number of daily rates quoted 22 26 34
Median daily rate £400 £378 £330
Median daily rate % change year-on-year +5.96% +14.39%  
90% offered a daily rate of more than £325 £323 £265
10% offered a daily rate of more than £415 £425 £388
UK excluding London median daily rate £415 £400 £380
% change year-on-year +3.75% +5.26%  
Number of hourly rates quoted 0 1 0
Median hourly rate - £19.50 -
UK excluding London median hourly rate £34.00 £28.50 £30.00
% change year-on-year +19.29% -5.00%  

TDD
Job Vacancy Trend in West Lothian

The job posting trend of jobs advertised in West Lothian 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 West Lothian

TDD
Contractor Daily Rate Trend in West Lothian

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

Contractor daily rate trend for TDD in West Lothian

TDD
Contract Job Locations in West Lothian

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the West Lothian region over the 3 months to 24 June 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
Livingston -1 5 £375 -11.76% 1
TDD
Scotland

For the 6 months to 24 June 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 West Lothian region with a requirement for TDD.

1 11 (100.00%) Agile Software Development
2 10 (90.91%) Java
2 10 (90.91%) Spring
2 10 (90.91%) Continuous Integration
3 9 (81.82%) CSS
3 9 (81.82%) HTML
4 8 (72.73%) Test Automation
4 8 (72.73%) AngularJS
5 6 (54.55%) Scrum
6 5 (45.45%) Web Services
6 5 (45.45%) JavaScript
6 5 (45.45%) Oracle
6 5 (45.45%) Oracle Database 11g
6 5 (45.45%) Software Engineering
6 5 (45.45%) Spring Integration
6 5 (45.45%) Oracle Database 12c
6 5 (45.45%) Oracle Database
6 5 (45.45%) Microservices
6 5 (45.45%) Angular 2
7 4 (36.36%) Front End Development
7 4 (36.36%) SDLC
7 4 (36.36%) Cucumber
7 4 (36.36%) BDD
7 4 (36.36%) CRM
8 3 (27.27%) MVC
8 3 (27.27%) Continuous Improvement
8 3 (27.27%) Web Development
8 3 (27.27%) Maven
8 3 (27.27%) Spring MVC
8 3 (27.27%) Selenium

TDD
Co-occurring IT Skills in West Lothian 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%) Tomcat
Database & Business Intelligence
1 5 (45.45%) Oracle Database
1 5 (45.45%) Oracle Database 11g
1 5 (45.45%) Oracle Database 12c
2 1 (9.09%) Relational Database
Development Applications
1 4 (36.36%) Cucumber
2 3 (27.27%) Bower
2 3 (27.27%) Grunt
2 3 (27.27%) gulp
2 3 (27.27%) Jasmine
2 3 (27.27%) jspm
2 3 (27.27%) Maven
2 3 (27.27%) Selenium
3 1 (9.09%) FitNesse
3 1 (9.09%) Jenkins
3 1 (9.09%) JUnit
Job Titles
1 11 (100.00%) Developer
2 7 (63.64%) Java Developer
3 5 (45.45%) Angular Developer
4 4 (36.36%) Front End Developer (Client-Side Developer)
5 1 (9.09%) Agile Developer
5 1 (9.09%) Agile Java Developer
5 1 (9.09%) Full Stack Developer
5 1 (9.09%) UI Developer
Libraries, Frameworks & Software Standards
1 10 (90.91%) Spring
2 9 (81.82%) CSS
2 9 (81.82%) HTML
3 8 (72.73%) AngularJS
4 5 (45.45%) Angular 2
4 5 (45.45%) Spring Integration
4 5 (45.45%) Web Services
5 3 (27.27%) KnockoutJS
5 3 (27.27%) LESS
5 3 (27.27%) React
5 3 (27.27%) Sass
5 3 (27.27%) Spring MVC
6 1 (9.09%) Aurelia
6 1 (9.09%) Hibernate
6 1 (9.09%) iBATIS
6 1 (9.09%) JDBC
6 1 (9.09%) JMS
6 1 (9.09%) RESTful
6 1 (9.09%) XML
6 1 (9.09%) XML Schema
Miscellaneous
1 2 (18.18%) Enterprise Software
2 1 (9.09%) User Experience
Processes & Methodologies
1 11 (100.00%) Agile Software Development
2 10 (90.91%) Continuous Integration
3 8 (72.73%) Test Automation
4 6 (54.55%) Scrum
5 5 (45.45%) Microservices
5 5 (45.45%) Software Engineering
6 4 (36.36%) BDD
6 4 (36.36%) CRM
6 4 (36.36%) Front End Development
6 4 (36.36%) SDLC
7 3 (27.27%) Continuous Improvement
7 3 (27.27%) MVC
7 3 (27.27%) Web Development
8 1 (9.09%) High Availability
8 1 (9.09%) Kanban
8 1 (9.09%) Pair Programming
Programming Languages
1 10 (90.91%) Java
2 5 (45.45%) JavaScript
3 3 (27.27%) ES6
Vendors
1 5 (45.45%) Oracle
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