The table below looks at the statistics for TDD skills in IT contracts advertised for the Leatherhead region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 25 September 2016 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
25 Sep 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 15 30 -
Rank change year-on-year
+15 -
Contract jobs citing TDD 3 4 0
As % of all contract IT jobs located in Leatherhead 4.84% 3.51% -
As % of the Processes & Methodologies category 6.00% 5.13% -
Number of daily rates quoted 3 4 0
Median daily rate £475 £375 -
Median daily rate % change year-on-year
+26.66% -
UK excluding London median daily rate £425 £390 £375
% change year-on-year
+8.97% +4.00%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £41.25 £37.45 £36.25
% change year-on-year
+10.14% +3.31%
TDD
Surrey

The following table is for comparison with the above and provides statistics for the entire Processes & Methodologies category in contract jobs advertised in the Leatherhead region.

Processes & Methodologies Category
Leatherhead
Contract IT job ads with a match in the
Processes & Methodologies category
50 78 36
As % of all contract IT jobs located in Leatherhead 80.65% 68.42% 67.92%
Number of daily rates quoted 47 73 30
Median daily rate £475 £425 £175
Median daily rate % change year-on-year
+11.76% +142.85%
90% offered a daily rate of more than £290 £355 £150
10% offered a daily rate of more than £530 £500 £550
UK excluding London median daily rate £400 £400 £375
% change year-on-year
- +6.66%
Number of hourly rates quoted 0 1 2
Median hourly rate - £17.50 £31.50
Median hourly rate % change year-on-year
- -44.44%
UK excluding London median hourly rate £32.50 £33.64 £26.25
% change year-on-year
-3.38% +28.15%

TDD
Jobs Demand Trend in Leatherhead

The demand trend of contract jobs across the Leatherhead region citing TDD as a proportion of all IT contracts with a match in the Processes & Methodologies category.

TDD Jobs Demand Trend in Leatherhead

TDD
Daily Rate Trend in Leatherhead

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing TDD across the Leatherhead region.

TDD Daily Rate Trend in Leatherhead

TDD
Daily Rate Histogram in Leatherhead

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the Leatherhead region over the 3 months to 25 September 2016.

TDD Daily Rate Histogram in Leatherhead

TDD
Hourly Rate Trend in Leatherhead

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

TDD Hourly Rate Trend in Leatherhead

TDD
Top 30 Related IT Skills in Leatherhead

For the 6 months to 25 September 2016, 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 Leatherhead region with a requirement for TDD.

1 4 (100.00%) SC Cleared
1 4 (100.00%) Security Cleared
2 3 (75.00%) HTML
2 3 (75.00%) JavaScript
2 3 (75.00%) Agile Software Development
2 3 (75.00%) HTML5
2 3 (75.00%) BDD
2 3 (75.00%) Front End Development
3 2 (50.00%) Progressive Enhancement
3 2 (50.00%) Node.js
3 2 (50.00%) CSS3
3 2 (50.00%) Web Application Development
3 2 (50.00%) Sass
3 2 (50.00%) CSS
3 2 (50.00%) Git (software)
3 2 (50.00%) Domain-Driven Design
4 1 (25.00%) HP Quality Center
4 1 (25.00%) Open Source
4 1 (25.00%) SQL
4 1 (25.00%) Oracle
4 1 (25.00%) Automated Testing
4 1 (25.00%) ISTQB
4 1 (25.00%) Selenium
4 1 (25.00%) Use Case
4 1 (25.00%) jQuery
4 1 (25.00%) Security Testing
4 1 (25.00%) Test Management
4 1 (25.00%) Test Scripting
4 1 (25.00%) Continuous Integration
4 1 (25.00%) SOAP

TDD
Top Related IT Skills in Leatherhead 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:

Communications & Networking
1 1 (25.00%) TCP/IP
Database & Business Intelligence
1 1 (25.00%) Oracle Database
Development Applications
1 2 (50.00%) Git (software)
2 1 (25.00%) Capybara
2 1 (25.00%) Selenium
2 1 (25.00%) SoapUI
2 1 (25.00%) Vagrant
Job Titles
1 3 (75.00%) Developer
1 3 (75.00%) Front End Developer (Client-Side Developer)
2 1 (25.00%) Agile Developer
2 1 (25.00%) HTML CSS Developer
2 1 (25.00%) HTML Developer
2 1 (25.00%) JavaScript Developer
2 1 (25.00%) Systems Tester
2 1 (25.00%) Technical Tester
2 1 (25.00%) Tester
2 1 (25.00%) XML Tester
Libraries, Frameworks & Software Standards
1 3 (75.00%) HTML
1 3 (75.00%) HTML5
2 2 (50.00%) CSS
2 2 (50.00%) CSS3
2 2 (50.00%) Node.js
2 2 (50.00%) Sass
3 1 (25.00%) AngularJS
3 1 (25.00%) jQuery
3 1 (25.00%) Modernizr
3 1 (25.00%) SOAP
3 1 (25.00%) Twitter Bootstrap
3 1 (25.00%) Web Services
3 1 (25.00%) XML
3 1 (25.00%) XML Messaging
Miscellaneous
1 1 (25.00%) Analytical Skills
Operating Systems
1 1 (25.00%) Linux
1 1 (25.00%) Unix
1 1 (25.00%) VMS
Processes & Methodologies
1 3 (75.00%) Agile Software Development
1 3 (75.00%) BDD
1 3 (75.00%) Front End Development
2 2 (50.00%) Domain-Driven Design
2 2 (50.00%) Progressive Enhancement
2 2 (50.00%) Web Application Development
3 1 (25.00%) Automated Testing
3 1 (25.00%) Continuous Deployment
3 1 (25.00%) Continuous Integration
3 1 (25.00%) Defect Management
3 1 (25.00%) Mentoring
3 1 (25.00%) Open Source
3 1 (25.00%) Project Governance
3 1 (25.00%) Security Testing
3 1 (25.00%) Software Delivery
3 1 (25.00%) Test Management
3 1 (25.00%) Test Planning
3 1 (25.00%) Test Scripting
3 1 (25.00%) User Stories
3 1 (25.00%) Waterfall
Programming Languages
1 3 (75.00%) JavaScript
2 1 (25.00%) SQL
Qualifications
1 4 (100.00%) SC Cleared
1 4 (100.00%) Security Cleared
2 1 (25.00%) ISTQB
Systems Management
1 1 (25.00%) HP Quality Center
Vendors
1 1 (25.00%) HP
1 1 (25.00%) Oracle