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 26 February 2017 with a comparison to the same period over the previous 2 years.

3 months to
26 Feb 2017
Same period 2016 Same period 2015
Test-Driven Development (TDD)
Hertfordshire / Welwyn Garden City
Rank 14 13 12
Rank change year-on-year
-1 -1
Permanent jobs citing TDD 4 6 22
As % of all permanent IT jobs located in Welwyn Garden City 4.65% 8.70% 18.64%
As % of the Processes & Methodologies category 5.19% 9.38% 20.00%
Number of salaries quoted 3 5 5
Median salary £72,500 £90,000 £60,000
Median salary % change year-on-year
-19.44% +50.00%
UK excluding London median salary £45,000 £45,000 £40,000
% change year-on-year
- +12.50%

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
77 64 110
As % of all permanent IT jobs located in Welwyn Garden City 89.53% 92.75% 93.22%
Number of salaries quoted 69 56 53
Median salary £50,000 £62,500 £46,500
Median salary % change year-on-year
-20.00% +34.40%
90% offered a salary of more than £27,500 £33,100 £30,000
10% offered a salary of more than £72,500 £60,000 £90,000
UK excluding London median salary £45,000 £45,000 £42,500
% change year-on-year
- +5.88%

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
Top 30 Related IT Skills in Welwyn Garden City

For the 6 months to 26 February 2017, 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 6 (85.71%) .NET
1 6 (85.71%) C#
1 6 (85.71%) MVC
1 6 (85.71%) BDD
1 6 (85.71%) ASP.NET Web API
2 5 (71.43%) SOLID
2 5 (71.43%) REST
2 5 (71.43%) Microsoft
2 5 (71.43%) SQL Server
2 5 (71.43%) Agile Software Development
3 4 (57.14%) Content Management
3 4 (57.14%) Enterprise Content Management
3 4 (57.14%) CMS
3 4 (57.14%) Sitecore CMS
3 4 (57.14%) Sitecore
3 4 (57.14%) Mentoring
4 3 (42.86%) Software Deployment
4 3 (42.86%) Waterfall
5 2 (28.57%) Git (software)
5 2 (28.57%) Jenkins
5 2 (28.57%) SQL
5 2 (28.57%) JIRA
5 2 (28.57%) Software Engineering
6 1 (14.29%) Marketing
6 1 (14.29%) Web Development
6 1 (14.29%) Degree
6 1 (14.29%) Maven
6 1 (14.29%) Retail
6 1 (14.29%) Digital Marketing
6 1 (14.29%) Continuous Integration

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 4 (57.14%) CMS
1 4 (57.14%) Sitecore CMS
Cloud Services
1 1 (14.29%) Amazon AWS
1 1 (14.29%) GitHub
Database & Business Intelligence
1 5 (71.43%) SQL Server
2 1 (14.29%) Apache Cassandra
2 1 (14.29%) Couchbase
2 1 (14.29%) MongoDB
2 1 (14.29%) NoSQL
Development Applications
1 2 (28.57%) Git (software)
1 2 (28.57%) Jenkins
1 2 (28.57%) JIRA
2 1 (14.29%) Ant
2 1 (14.29%) Gradle
2 1 (14.29%) Maven
2 1 (14.29%) SpecFlow
General
1 1 (14.29%) Finance
1 1 (14.29%) Marketing
1 1 (14.29%) Retail
Job Titles
1 2 (28.57%) Developer
2 1 (14.29%) .NET Developer
2 1 (14.29%) .NET Web Developer
2 1 (14.29%) Architect
2 1 (14.29%) Java Developer
2 1 (14.29%) Solutions Architect
2 1 (14.29%) Web Developer
Libraries, Frameworks & Software Standards
1 6 (85.71%) .NET
1 6 (85.71%) ASP.NET Web API
2 5 (71.43%) REST
3 1 (14.29%) Akka
3 1 (14.29%) ASP.NET
3 1 (14.29%) ASP.NET MVC
Miscellaneous
1 1 (14.29%) Algorithms
1 1 (14.29%) Data Structures
1 1 (14.29%) Mobile App
1 1 (14.29%) Virtual Team
Processes & Methodologies
1 6 (85.71%) BDD
1 6 (85.71%) MVC
2 5 (71.43%) Agile Software Development
2 5 (71.43%) SOLID
3 4 (57.14%) Content Management
3 4 (57.14%) Enterprise Content Management
3 4 (57.14%) Mentoring
4 3 (42.86%) Software Deployment
4 3 (42.86%) Waterfall
5 2 (28.57%) Software Engineering
6 1 (14.29%) Continuous Integration
6 1 (14.29%) Dependency Injection
6 1 (14.29%) DevOps
6 1 (14.29%) Digital Marketing
6 1 (14.29%) OO
6 1 (14.29%) OOD
6 1 (14.29%) Scrum
6 1 (14.29%) SOA
6 1 (14.29%) Validation
6 1 (14.29%) Web Development
Programming Languages
1 6 (85.71%) C#
2 2 (28.57%) SQL
3 1 (14.29%) Clojure
3 1 (14.29%) F#
3 1 (14.29%) Go
3 1 (14.29%) Java
3 1 (14.29%) Rust
Qualifications
1 1 (14.29%) Degree
Systems Management
1 1 (14.29%) Ansible
1 1 (14.29%) Opscode Chef
1 1 (14.29%) Puppet
Vendors
1 5 (71.43%) Microsoft
2 4 (57.14%) Sitecore