The table below looks at the statistics for TDD skills in IT jobs advertised for the Welwyn Garden City region. Included is a guide to the salaries offered in IT jobs that have cited TDD over the 3 months to 28 June 2016 with a comparison to the same period over the previous 2 years.

3 months to
28 Jun 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 23 29 21
Rank change year-on-year
+6 -8
Permanent jobs citing TDD 3 3 1
As % of all permanent IT jobs located in Welwyn Garden City 3.23% 2.05% 1.18%
As % of the Processes & Methodologies category 3.41% 2.19% 1.45%
Number of salaries quoted 3 3 1
Median salary £95,000 £40,000 £45,000
Median salary % change year-on-year
+137.50% -11.11%
UK excluding London median salary £45,000 £42,500 £41,500
% change year-on-year
+5.88% +2.40%
TDD
Hertfordshire

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

Processes & Methodologies Category
Welwyn Garden City
Permanent IT job ads with a match in the
Processes & Methodologies category
88 137 69
As % of all permanent IT jobs located in Welwyn Garden City 94.62% 93.84% 81.18%
Number of salaries quoted 78 92 45
Median salary £47,500 £50,000 £43,000
Median salary % change year-on-year
-5.00% +16.27%
90% offered a salary of more than £37,500 £39,500 £27,000
10% offered a salary of more than £62,500 £57,500 £58,800
UK excluding London median salary £45,000 £44,000 £42,500
% change year-on-year
+2.27% +3.52%

TDD
Jobs Demand Trend in Welwyn Garden City

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

TDD Jobs Demand Trend in Welwyn Garden City

TDD
Salary Trend in Welwyn Garden City

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

TDD Salary Trend in Welwyn Garden City

TDD
Salary Histogram in Welwyn Garden City

This chart provides a salary histogram for IT jobs citing TDD across the Welwyn Garden City region over the 3 months to 28 June 2016.

TDD Salary Histogram in Welwyn Garden City

TDD
Top 30 Related IT Skills in Welwyn Garden City

For the 6 months to 28 June 2016, IT jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Welwyn Garden City region with a requirement for TDD.

1 8 (100.00%) Java
1 8 (100.00%) Agile Software Development
1 8 (100.00%) BDD
1 8 (100.00%) Puppet
1 8 (100.00%) Jenkins
2 7 (87.50%) Elasticsearch
2 7 (87.50%) Couchbase
2 7 (87.50%) Node.js
2 7 (87.50%) Unit Testing
2 7 (87.50%) Microsoft Azure
2 7 (87.50%) NUnit
2 7 (87.50%) MVC
2 7 (87.50%) Games
2 7 (87.50%) Scrum
2 7 (87.50%) JavaScript
2 7 (87.50%) .NET
2 7 (87.50%) MS Excel
2 7 (87.50%) C#
2 7 (87.50%) Microsoft
2 7 (87.50%) OpenShift
3 3 (37.50%) SOA
3 3 (37.50%) Open Source
4 1 (12.50%) Git (software)
4 1 (12.50%) JIRA
4 1 (12.50%) ATDD
4 1 (12.50%) Gradle
4 1 (12.50%) Opscode Chef
4 1 (12.50%) Ant
4 1 (12.50%) Maven
4 1 (12.50%) Ansible

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:

Application Platforms
1 7 (87.50%) Elasticsearch
Applications
1 7 (87.50%) MS Excel
Cloud Services
1 7 (87.50%) Microsoft Azure
1 7 (87.50%) OpenShift
Database & Business Intelligence
1 7 (87.50%) Couchbase
Development Applications
1 8 (100.00%) Jenkins
2 7 (87.50%) NUnit
3 1 (12.50%) Ant
3 1 (12.50%) Git (software)
3 1 (12.50%) Gradle
3 1 (12.50%) JIRA
3 1 (12.50%) Maven
General
1 7 (87.50%) Games
Job Titles
1 8 (100.00%) Developer
2 7 (87.50%) .NET Developer
2 7 (87.50%) C# .NET Developer
2 7 (87.50%) C# Developer
2 7 (87.50%) Lead .NET Developer
2 7 (87.50%) Lead C# Developer
2 7 (87.50%) Lead Developer
2 7 (87.50%) Technical Developer
2 7 (87.50%) Technical Leader
3 1 (12.50%) Creative Developer
3 1 (12.50%) Java Developer
Libraries, Frameworks & Software Standards
1 7 (87.50%) .NET
1 7 (87.50%) Node.js
Miscellaneous
1 1 (12.50%) Algorithms
Processes & Methodologies
1 8 (100.00%) Agile Software Development
1 8 (100.00%) BDD
2 7 (87.50%) MVC
2 7 (87.50%) Scrum
2 7 (87.50%) Unit Testing
3 3 (37.50%) Open Source
3 3 (37.50%) SOA
4 1 (12.50%) ATDD
Programming Languages
1 8 (100.00%) Java
2 7 (87.50%) C#
2 7 (87.50%) JavaScript
Systems Management
1 8 (100.00%) Puppet
2 1 (12.50%) Ansible
2 1 (12.50%) Opscode Chef
Vendors
1 7 (87.50%) Microsoft