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 6 December 2016 with a comparison to the same period over the previous 2 years.

3 months to
6 Dec 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 25 9 22
Rank change year-on-year
-16 +13
Permanent jobs citing TDD 3 17 12
As % of all permanent IT jobs located in Welwyn Garden City 2.46% 16.35% 8.96%
As % of the Processes & Methodologies category 2.63% 17.89% 11.43%
Number of salaries quoted 3 17 8
Median salary £67,500 £75,000 £60,000
Median salary % change year-on-year
-10.00% +25.00%
UK excluding London median salary £45,000 £45,000 £40,000
% change year-on-year
- +12.50%
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
114 95 105
As % of all permanent IT jobs located in Welwyn Garden City 93.44% 91.35% 78.36%
Number of salaries quoted 94 59 88
Median salary £42,500 £62,500 £47,500
Median salary % change year-on-year
-32.00% +31.57%
90% offered a salary of more than £27,000 £38,600 £30,000
10% offered a salary of more than £70,000 £60,000 £75,000
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 6 December 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 (88.89%) C#
1 8 (88.89%) .NET
1 8 (88.89%) Agile Software Development
2 7 (77.78%) MVC
2 7 (77.78%) BDD
3 6 (66.67%) Jenkins
4 5 (55.56%) Couchbase
4 5 (55.56%) ASP.NET Web API
5 4 (44.44%) SOA
5 4 (44.44%) ASP.NET
5 4 (44.44%) Scrum
5 4 (44.44%) ASP.NET MVC
5 4 (44.44%) JIRA
5 4 (44.44%) Git (software)
6 3 (33.33%) Software Engineering
6 3 (33.33%) NoSQL
6 3 (33.33%) Puppet
6 3 (33.33%) SpecFlow
6 3 (33.33%) NUnit
6 3 (33.33%) SQL
6 3 (33.33%) Java
6 3 (33.33%) Microsoft
6 3 (33.33%) SOLID
7 2 (22.22%) Virtual Team
7 2 (22.22%) Complexity Analysis
7 2 (22.22%) Degree
7 2 (22.22%) Continuous Delivery
7 2 (22.22%) Akka
7 2 (22.22%) OpenShift
7 2 (22.22%) DevOps

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 2 (22.22%) Elasticsearch
2 1 (11.11%) CMS
2 1 (11.11%) Sitecore CMS
Applications
1 2 (22.22%) MS Excel
Cloud Services
1 2 (22.22%) Amazon AWS
1 2 (22.22%) GitHub
1 2 (22.22%) Microsoft Azure
1 2 (22.22%) OpenShift
Database & Business Intelligence
1 5 (55.56%) Couchbase
2 3 (33.33%) NoSQL
3 2 (22.22%) Apache Cassandra
3 2 (22.22%) MongoDB
4 1 (11.11%) SQL Server
Development Applications
1 6 (66.67%) Jenkins
2 4 (44.44%) Git (software)
2 4 (44.44%) JIRA
3 3 (33.33%) NUnit
3 3 (33.33%) SpecFlow
4 1 (11.11%) Ant
4 1 (11.11%) Gradle
4 1 (11.11%) Maven
4 1 (11.11%) TeamCity
General
1 2 (22.22%) Games
1 2 (22.22%) Retail
2 1 (11.11%) Finance
2 1 (11.11%) Marketing
Job Titles
1 5 (55.56%) Developer
2 4 (44.44%) .NET Developer
2 4 (44.44%) C# .NET Developer
2 4 (44.44%) C# Developer
3 2 (22.22%) Architect
3 2 (22.22%) Lead .NET Developer
3 2 (22.22%) Lead C# Developer
3 2 (22.22%) Lead Developer
3 2 (22.22%) Solutions Architect
3 2 (22.22%) Technical Developer
3 2 (22.22%) Technical Leader
4 1 (11.11%) .NET Web Developer
4 1 (11.11%) C# Software Engineer
4 1 (11.11%) C# Web Developer
4 1 (11.11%) Development Engineer
4 1 (11.11%) Java Developer
4 1 (11.11%) Software Development Engineer
4 1 (11.11%) Software Engineer
4 1 (11.11%) Web Developer
Libraries, Frameworks & Software Standards
1 8 (88.89%) .NET
2 5 (55.56%) ASP.NET Web API
3 4 (44.44%) ASP.NET
3 4 (44.44%) ASP.NET MVC
4 2 (22.22%) Akka
4 2 (22.22%) Node.js
5 1 (11.11%) .NET Framework
5 1 (11.11%) REST
Miscellaneous
1 2 (22.22%) Algorithms
1 2 (22.22%) Data Structures
1 2 (22.22%) Virtual Team
Processes & Methodologies
1 8 (88.89%) Agile Software Development
2 7 (77.78%) BDD
2 7 (77.78%) MVC
3 4 (44.44%) Scrum
3 4 (44.44%) SOA
4 3 (33.33%) Software Engineering
4 3 (33.33%) SOLID
5 2 (22.22%) ATDD
5 2 (22.22%) Complexity Analysis
5 2 (22.22%) Continuous Delivery
5 2 (22.22%) Continuous Integration
5 2 (22.22%) Dependency Injection
5 2 (22.22%) DevOps
5 2 (22.22%) Microservices
5 2 (22.22%) OO
5 2 (22.22%) OOD
5 2 (22.22%) Open Source
5 2 (22.22%) People Management
5 2 (22.22%) Unit Testing
5 2 (22.22%) Validation
Programming Languages
1 8 (88.89%) C#
2 3 (33.33%) Java
2 3 (33.33%) SQL
3 2 (22.22%) JavaScript
4 1 (11.11%) Clojure
4 1 (11.11%) F#
4 1 (11.11%) Go
4 1 (11.11%) Rust
Qualifications
1 2 (22.22%) Degree
Quality Assurance & Compliance
1 1 (11.11%) QA
Systems Management
1 3 (33.33%) Puppet
2 1 (11.11%) Ansible
2 1 (11.11%) Opscode Chef
Vendors
1 3 (33.33%) Microsoft
2 1 (11.11%) Sitecore