The table below looks at the statistics for TDD skills in IT contracts advertised for the Welwyn Garden City region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 26 July 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
26 Jul 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank - 24 -
Contract jobs citing TDD 0 1 0
As % of all contract IT jobs located in Welwyn Garden City - 0.74% -
As % of the Processes & Methodologies category - 0.86% -
Number of daily rates quoted 0 1 0
Median daily rate - £550 -
UK excluding London median daily rate £425 £375 £375
% change year-on-year
+13.33% -
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £40.00 £40.00 £59.50
% change year-on-year
- -32.77%
TDD
Hertfordshire

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

Processes & Methodologies Category
Welwyn Garden City
Contract IT job ads with a match in the
Processes & Methodologies category
60 116 41
As % of all contract IT jobs located in Welwyn Garden City 82.19% 85.29% 74.55%
Number of daily rates quoted 38 59 29
Median daily rate £400 £333 £325
Median daily rate % change year-on-year
+20.11% +2.46%
90% offered a daily rate of more than £271 £275 £215
10% offered a daily rate of more than £500 £450 £400
UK excluding London median daily rate £400 £388 £375
% change year-on-year
+3.22% +3.33%
Number of hourly rates quoted 4 1 1
Median hourly rate £18.25 £47.50 £14.00
Median hourly rate % change year-on-year
-61.57% +239.28%
UK excluding London median hourly rate £30.00 £30.50 £26.98
% change year-on-year
-1.63% +13.06%

TDD
Jobs Demand Trend in Welwyn Garden City

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

TDD Jobs Demand Trend in Welwyn Garden City

TDD
Daily Rate Trend in Welwyn Garden City

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

TDD Daily Rate Trend in Welwyn Garden City

TDD
Top 9 Related IT Skills in Welwyn Garden City

For the 6 months to 26 July 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 Welwyn Garden City region with a requirement for TDD.

1 1 (100.00%) Java
1 1 (100.00%) E-Commerce
1 1 (100.00%) Spring
1 1 (100.00%) Unit Testing
1 1 (100.00%) Microsoft Azure
1 1 (100.00%) Amazon AWS
1 1 (100.00%) NoSQL
1 1 (100.00%) Couchbase
1 1 (100.00%) Mentoring

TDD
Top Related IT Skills in Welwyn Garden City 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:

Cloud Services
1 1 (100.00%) Amazon AWS
1 1 (100.00%) Microsoft Azure
Database & Business Intelligence
1 1 (100.00%) Couchbase
1 1 (100.00%) NoSQL
Job Titles
1 1 (100.00%) AWS Developer
1 1 (100.00%) Developer
1 1 (100.00%) E-Commerce Developer
1 1 (100.00%) Java Developer
1 1 (100.00%) Java E-Commerce Developer
1 1 (100.00%) NoSQL Developer
Libraries, Frameworks & Software Standards
1 1 (100.00%) Spring
Processes & Methodologies
1 1 (100.00%) E-Commerce
1 1 (100.00%) Mentoring
1 1 (100.00%) Unit Testing
Programming Languages
1 1 (100.00%) Java