Period
to 17 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Cardiff with a requirement for TDD skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited TDD over the 6 months to 17 November 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
South Wales > Cardiff
6 months to
17 Nov 2017
Same period 2016 Same period 2015
Rank 31 28 48
Rank change year-on-year -3 +20 +10
Permanent jobs citing TDD 48 102 74
As % of all permanent IT jobs advertised in Cardiff 5.96% 7.28% 4.66%
As % of the Processes & Methodologies category 6.51% 8.23% 5.45%
Number of salaries quoted 48 104 65
Cardiff median annual salary £40,500 £35,000 £35,000
Median salary % change year-on-year +15.71% - -
10th Percentile £21,250 £24,250 £27,500
90th Percentile £54,050 £62,500 £49,000
South Wales median annual salary £40,000 £35,000 £36,500
% change year-on-year +14.29% -4.11% +4.29%

TDD is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Cardiff with a requirement for process or methodology skills.

All Process and Methodology Skills
Cardiff
Permanent vacancies with a requirement for process or methodology skills 737 1239 1357
As % of all permanent IT jobs advertised in Cardiff 91.55% 88.44% 85.51%
Number of salaries quoted 651 1122 1149
Cardiff median annual salary £40,000 £36,000 £36,000
Median salary % change year-on-year +11.11% - +2.86%
10th Percentile £24,250 £22,500 £23,500
90th Percentile £56,250 £55,000 £55,000
South Wales median annual salary £39,250 £37,500 £36,000
% change year-on-year +4.67% +4.17% +2.86%

TDD
Job Vacancy Trend in Cardiff

Job postings citing TDD as a percentage of all IT jobs advertised in Cardiff.

Job vacancy trend for TDD in Cardiff

TDD
Salary Trend in Cardiff

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing TDD in Cardiff.

Salary trend for TDD in Cardiff

TDD
Salary Histogram in Cardiff

The salary distribution of IT jobs citing TDD in Cardiff over the 6 months to 17 November 2017.

Salary histogram for TDD in Cardiff

For the 6 months to 17 November 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 Cardiff region with a requirement for TDD.

1 41 (85.42%) Agile Software Development
2 30 (62.50%) C#
3 29 (60.42%) Scrum
4 28 (58.33%) .NET
5 25 (52.08%) SQL Server
5 25 (52.08%) MVC
6 23 (47.92%) BDD
7 22 (45.83%) RESTful
7 22 (45.83%) ASP.NET
8 17 (35.42%) ASP.NET MVC
9 15 (31.25%) AngularJS
9 15 (31.25%) ASP.NET Web API
9 15 (31.25%) JavaScript
9 15 (31.25%) Continuous Integration
10 14 (29.17%) Web Development
10 14 (29.17%) Test Automation
10 14 (29.17%) MongoDB
11 13 (27.08%) .NET Framework
11 13 (27.08%) Games
12 12 (25.00%) Java
12 12 (25.00%) Kanban
12 12 (25.00%) Dependency Injection
12 12 (25.00%) Amazon AWS
12 12 (25.00%) KnockoutJS
12 12 (25.00%) Twitter Bootstrap
12 12 (25.00%) Web Application Development
13 11 (22.92%) Elasticsearch
14 10 (20.83%) Entity Framework
14 10 (20.83%) Microsoft Azure
15 9 (18.75%) Spring

TDD
Co-occurring IT Skills in Cardiff 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 11 (22.92%) Elasticsearch
2 3 (6.25%) BizTalk Server
2 3 (6.25%) CMS
2 3 (6.25%) IIS
3 1 (2.08%) Apache
3 1 (2.08%) Cloud Foundry
3 1 (2.08%) Confluence
3 1 (2.08%) JBoss
3 1 (2.08%) nginx
3 1 (2.08%) WebLogic
3 1 (2.08%) WebSphere
Business Applications
1 3 (6.25%) Dynamics CRM
Cloud Services
1 12 (25.00%) Amazon AWS
2 10 (20.83%) Microsoft Azure
3 2 (4.17%) Cloud Computing
4 1 (2.08%) GitHub
4 1 (2.08%) Heroku
4 1 (2.08%) PaaS
4 1 (2.08%) Trello
Communications & Networking
1 7 (14.58%) Hyperconnected
1 7 (14.58%) Internet
Database & Business Intelligence
1 25 (52.08%) SQL Server
2 14 (29.17%) MongoDB
3 7 (14.58%) SQL Server 2016
4 5 (10.42%) SQL Server 2008
4 5 (10.42%) SQL Server 2014
5 3 (6.25%) NoSQL
5 3 (6.25%) Relational Database
6 2 (4.17%) MySQL
7 1 (2.08%) Big Data
7 1 (2.08%) Redis
Development Applications
1 6 (12.50%) Selenium
1 6 (12.50%) Team Foundation Server
2 5 (10.42%) TeamCity
2 5 (10.42%) Visual Studio
3 4 (8.33%) Git (software)
4 3 (6.25%) JUnit
5 2 (4.17%) Bitbucket
5 2 (4.17%) JIRA
5 2 (4.17%) SpecFlow
5 2 (4.17%) Subversion
5 2 (4.17%) WebDriver
6 1 (2.08%) Cucumber
6 1 (2.08%) Gradle
6 1 (2.08%) IntelliJ
6 1 (2.08%) Jenkins
6 1 (2.08%) JMeter
6 1 (2.08%) SonarQube
6 1 (2.08%) Xdebug
General
1 13 (27.08%) Games
2 3 (6.25%) Finance
3 2 (4.17%) Retail
4 1 (2.08%) Advertising
4 1 (2.08%) Banking
Job Titles
1 37 (77.08%) Developer
2 22 (45.83%) .NET Developer
3 12 (25.00%) C# .NET Developer
3 12 (25.00%) C# Developer
4 8 (16.67%) Java Developer
5 7 (14.58%) ASP.NET Developer
5 7 (14.58%) C# ASP.NET Developer
5 7 (14.58%) Senior Developer
6 6 (12.50%) Graduate
6 6 (12.50%) Junior
6 6 (12.50%) Junior Developer
7 5 (10.42%) Graduate .NET Developer
7 5 (10.42%) Graduate Developer
7 5 (10.42%) Junior .NET Developer
7 5 (10.42%) Software Developer
8 4 (8.33%) Scrum Master
9 2 (4.17%) C# Software Developer
9 2 (4.17%) PHP Developer
9 2 (4.17%) QA Tester
9 2 (4.17%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 28 (58.33%) .NET
2 22 (45.83%) ASP.NET
2 22 (45.83%) RESTful
3 17 (35.42%) ASP.NET MVC
4 15 (31.25%) AngularJS
4 15 (31.25%) ASP.NET Web API
5 13 (27.08%) .NET Framework
6 12 (25.00%) KnockoutJS
6 12 (25.00%) Twitter Bootstrap
7 10 (20.83%) Entity Framework
8 9 (18.75%) CSS
8 9 (18.75%) HTML
8 9 (18.75%) Spring
9 8 (16.67%) WCF
10 7 (14.58%) ASP.NET MVC 5
11 5 (10.42%) Kafka
11 5 (10.42%) MSMQ
11 5 (10.42%) WPF
12 4 (8.33%) jQuery
12 4 (8.33%) NHibernate
Miscellaneous
1 7 (14.58%) Computer Science
2 2 (4.17%) Greenfield Project
2 2 (4.17%) Management Information System
2 2 (4.17%) NHS
3 1 (2.08%) Cloud Native
3 1 (2.08%) Fintech
3 1 (2.08%) Mobile App
3 1 (2.08%) N-Tier
3 1 (2.08%) User Experience
Operating Systems
1 5 (10.42%) Windows
2 3 (6.25%) Windows Server
2 3 (6.25%) Windows Server 2008
3 2 (4.17%) DC/OS
4 1 (2.08%) Android
4 1 (2.08%) Apple iOS
4 1 (2.08%) Linux
Processes & Methodologies
1 41 (85.42%) Agile Software Development
2 29 (60.42%) Scrum
3 25 (52.08%) MVC
4 23 (47.92%) BDD
5 15 (31.25%) Continuous Integration
6 14 (29.17%) Test Automation
6 14 (29.17%) Web Development
7 12 (25.00%) Dependency Injection
7 12 (25.00%) Kanban
7 12 (25.00%) Web Application Development
8 8 (16.67%) Software Engineering
9 7 (14.58%) OOP
10 6 (12.50%) Mentoring
10 6 (12.50%) Microservices
10 6 (12.50%) SDLC
11 5 (10.42%) Coaching
11 5 (10.42%) Multithreading
11 5 (10.42%) OO
12 4 (8.33%) Continuous Improvement
12 4 (8.33%) User Stories
Programming Languages
1 30 (62.50%) C#
2 15 (31.25%) JavaScript
3 12 (25.00%) Java
4 6 (12.50%) SQL
5 5 (10.42%) F#
5 5 (10.42%) Go
5 5 (10.42%) Ruby
6 3 (6.25%) C++
6 3 (6.25%) PHP
7 2 (4.17%) T-SQL
7 2 (4.17%) TypeScript
7 2 (4.17%) VB.NET
8 1 (2.08%) Groovy
8 1 (2.08%) PHP 5
Qualifications
1 1 (2.08%) Degree
Quality Assurance & Compliance
1 5 (10.42%) QA
System Software
1 3 (6.25%) Docker
2 1 (2.08%) Varnish
Systems Management
1 5 (10.42%) Kibana
2 3 (6.25%) Ansible
2 3 (6.25%) Terraform
3 2 (4.17%) Kubernetes
Vendors
1 9 (18.75%) Microsoft
2 7 (14.58%) Google
3 2 (4.17%) Oracle
3 2 (4.17%) TOWER Software