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 3 months to 28 March 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
South Wales / Cardiff
3 months to
28 Mar 2017
Same period 2016 Same period 2015
Rank 24 39 49
Rank change year-on-year +15 +10  
Permanent jobs citing TDD 45 32 21
As % of all permanent IT jobs advertised in Cardiff 8.09% 4.58% 3.19%
As % of the Processes & Methodologies category 9.07% 5.44% 3.72%
Number of salaries quoted 41 29 21
Median salary £40,000 £40,000 £36,500
Median salary % change year-on-year - +9.58%  
90% offered a salary of more than £28,000 £30,300 £27,000
10% offered a salary of more than £47,500 £53,500 £38,500
UK excluding London median salary £45,000 £45,000 £40,500
% change year-on-year - +11.11%  

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

Process & Methodology Skills
Cardiff
Permanent job vacancies with a requirement for process and methodology skills 496 588 565
As % of all permanent IT job vacancies advertised in Cardiff 89.21% 84.12% 85.74%
Number of salaries quoted 439 479 490
Median salary £40,000 £37,500 £35,000
Median salary % change year-on-year +6.66% +7.14%  
90% offered a salary of more than £27,500 £26,000 £25,000
10% offered a salary of more than £57,500 £52,500 £51,500
UK excluding London median salary £45,000 £45,000 £43,000
% change year-on-year - +4.65%  

TDD
Job Vacancy Trend in Cardiff

The job posting trend of jobs advertised in Cardiff citing TDD as a proportion of all permanent or contract IT jobs with a match in the Processes & Methodologies category.

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 3 months to 28 March 2017.

Salary histogram for TDD in Cardiff

TDD
Top 30 Co-occurring IT Skills in Cardiff

For the 6 months to 28 March 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 82 (78.10%) Agile Software Development
2 70 (66.67%) .NET
3 60 (57.14%) C#
4 58 (55.24%) JavaScript
5 57 (54.29%) SQL Server
6 54 (51.43%) ASP.NET
6 54 (51.43%) MVC
7 50 (47.62%) HTML
8 48 (45.71%) Scrum
9 45 (42.86%) CSS
10 37 (35.24%) ASP.NET MVC
11 36 (34.29%) BDD
12 31 (29.52%) Java
12 31 (29.52%) Microsoft
13 28 (26.67%) SQL
14 27 (25.71%) MS Excel
14 27 (25.71%) Unit Testing
15 26 (24.76%) .NET Framework
16 24 (22.86%) WCF
17 23 (21.90%) RESTful
17 23 (21.90%) ASP.NET Web API
17 23 (21.90%) OO
18 22 (20.95%) XML
18 22 (20.95%) Spring
18 22 (20.95%) HTML5
18 22 (20.95%) NoSQL
19 21 (20.00%) CSS3
19 21 (20.00%) Continuous Integration
19 21 (20.00%) jQuery
19 21 (20.00%) Hibernate

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 16 (15.24%) Elasticsearch
2 13 (12.38%) Tomcat
3 6 (5.71%) Apache Spark
3 6 (5.71%) Cloud Foundry
3 6 (5.71%) ColdFusion
3 6 (5.71%) IIS
4 4 (3.81%) WebSphere
5 3 (2.86%) CMS
5 3 (2.86%) Umbraco
6 1 (0.95%) Apache
6 1 (0.95%) Apache Solr
6 1 (0.95%) SharePoint
Applications
1 27 (25.71%) MS Excel
Business Applications
1 1 (0.95%) Dynamics CRM
1 1 (0.95%) SAP Oil and Gas
Cloud Services
1 15 (14.29%) Amazon AWS
2 12 (11.43%) Microsoft Azure
3 2 (1.90%) SaaS
4 1 (0.95%) Amazon SQS
4 1 (0.95%) Cloud Computing
4 1 (0.95%) GitHub
Communications & Networking
1 7 (6.67%) HTTP
Database & Business Intelligence
1 57 (54.29%) SQL Server
2 22 (20.95%) NoSQL
3 19 (18.10%) MongoDB
4 17 (16.19%) SQL Server 2008
5 13 (12.38%) SQL Server 2014
6 12 (11.43%) Big Data
6 12 (11.43%) MySQL
7 8 (7.62%) PostgreSQL
8 6 (5.71%) Apache Cassandra
8 6 (5.71%) Hadoop
8 6 (5.71%) HBase
8 6 (5.71%) SQL Server 2012
8 6 (5.71%) Sqoop
9 4 (3.81%) SQL Server Reporting Services
10 3 (2.86%) Relational Database
11 2 (1.90%) Couchbase
12 1 (0.95%) CouchDB
Development Applications
1 21 (20.00%) Visual Studio
2 14 (13.33%) Selenium
3 12 (11.43%) Eclipse
3 12 (11.43%) Team Foundation Server
4 11 (10.48%) Jenkins
5 9 (8.57%) Maven
6 8 (7.62%) Git (software)
6 8 (7.62%) NUnit
7 7 (6.67%) JUnit
8 5 (4.76%) Ant
8 5 (4.76%) Subversion
9 3 (2.86%) Mockito
9 3 (2.86%) MSTest
9 3 (2.86%) NetBeans
9 3 (2.86%) Spock
10 2 (1.90%) gulp
10 2 (1.90%) Jasmine
10 2 (1.90%) MbUnit
10 2 (1.90%) SpecFlow
10 2 (1.90%) TeamCity
General
1 13 (12.38%) Advertising
2 10 (9.52%) Marketing
3 9 (8.57%) Finance
4 7 (6.67%) Retail
5 5 (4.76%) Banking
5 5 (4.76%) Telecoms
6 4 (3.81%) Games
7 1 (0.95%) Electronics
7 1 (0.95%) Investment Banking
7 1 (0.95%) Manufacturing
Job Titles
1 78 (74.29%) Developer
2 38 (36.19%) .NET Developer
3 17 (16.19%) Software Developer
4 14 (13.33%) Software Engineer
5 13 (12.38%) Java Developer
6 12 (11.43%) Senior Developer
7 11 (10.48%) Java Engineer
8 10 (9.52%) C# .NET Developer
8 10 (9.52%) C# Developer
9 9 (8.57%) Analyst
9 9 (8.57%) Java Software Engineer
9 9 (8.57%) Senior Software Engineer
10 8 (7.62%) SQL Developer
11 7 (6.67%) PHP Developer
12 6 (5.71%) ASP.NET Developer
12 6 (5.71%) Junior
12 6 (5.71%) Junior .NET Developer
12 6 (5.71%) Junior Developer
12 6 (5.71%) Senior Java Engineer
12 6 (5.71%) Senior Java Software Engineer
Libraries, Frameworks & Software Standards
1 70 (66.67%) .NET
2 54 (51.43%) ASP.NET
3 50 (47.62%) HTML
4 45 (42.86%) CSS
5 37 (35.24%) ASP.NET MVC
6 26 (24.76%) .NET Framework
7 24 (22.86%) WCF
8 23 (21.90%) ASP.NET Web API
8 23 (21.90%) RESTful
9 22 (20.95%) HTML5
9 22 (20.95%) Spring
9 22 (20.95%) XML
10 21 (20.00%) CSS3
10 21 (20.00%) Hibernate
10 21 (20.00%) jQuery
11 19 (18.10%) REST
12 17 (16.19%) Node.js
13 16 (15.24%) AngularJS
14 13 (12.38%) ASP.NET MVC 5
14 13 (12.38%) Web Services
Miscellaneous
1 20 (19.05%) NHS
2 17 (16.19%) Management Information System
3 12 (11.43%) Computer Science
4 6 (5.71%) User Experience
5 4 (3.81%) Analytical Skills
5 4 (3.81%) Mainframe
5 4 (3.81%) Reference Data
6 2 (1.90%) Mobile App
7 1 (0.95%) Enterprise Software
7 1 (0.95%) Fintech
Operating Systems
1 9 (8.57%) Linux
2 8 (7.62%) Android
2 8 (7.62%) Windows
3 5 (4.76%) Unix
Processes & Methodologies
1 82 (78.10%) Agile Software Development
2 54 (51.43%) MVC
3 48 (45.71%) Scrum
4 36 (34.29%) BDD
5 27 (25.71%) Unit Testing
6 23 (21.90%) OO
7 21 (20.00%) Continuous Integration
8 19 (18.10%) Coaching
8 19 (18.10%) Informatics
8 19 (18.10%) Software Engineering
9 13 (12.38%) Mentoring
10 12 (11.43%) Web Development
11 10 (9.52%) SDLC
12 9 (8.57%) Dependency Injection
12 9 (8.57%) Test Scripting
12 9 (8.57%) Web Application Development
13 8 (7.62%) DevOps
14 7 (6.67%) Open Source
14 7 (6.67%) Test Automation
15 6 (5.71%) Automation Testing
Programming Languages
1 60 (57.14%) C#
2 58 (55.24%) JavaScript
3 31 (29.52%) Java
4 28 (26.67%) SQL
5 16 (15.24%) PHP
6 15 (14.29%) T-SQL
7 13 (12.38%) Python
8 12 (11.43%) Scala
9 7 (6.67%) Go
9 7 (6.67%) VB.NET
10 6 (5.71%) Ruby
11 5 (4.76%) Bash Shell
11 5 (4.76%) Perl
11 5 (4.76%) TypeScript
12 3 (2.86%) Groovy
12 3 (2.86%) Objective-C
13 2 (1.90%) C++
14 1 (0.95%) Clojure
Qualifications
1 17 (16.19%) Degree
2 1 (0.95%) ISEB
2 1 (0.95%) ISTQB
2 1 (0.95%) SC Cleared
2 1 (0.95%) Security Cleared
Quality Assurance & Compliance
1 11 (10.48%) QA
2 4 (3.81%) HMG Security Policy Framework
2 4 (3.81%) ISO/IEC 27001
System Software
1 6 (5.71%) HDFS
2 3 (2.86%) Docker
3 1 (0.95%) Varnish
Vendors
1 31 (29.52%) Microsoft
2 9 (8.57%) Facebook
3 7 (6.67%) Oracle
4 6 (5.71%) Cloudera
4 6 (5.71%) Hortonworks
4 6 (5.71%) RedGate
5 4 (3.81%) IBM
5 4 (3.81%) TOWER Software
6 2 (1.90%) Sitecore
6 2 (1.90%) Zend
7 1 (0.95%) SAP
7 1 (0.95%) Xamarin
Cardiff, South Glamorgan
Opus Recruitment Solutions Ltd
Salary: £30000 - £60000 per annum, Benefits Benifits
Posted: 2 hours ago
Cardiff, South Glamorgan
Dawson & Walsh
Salary: £30000 - £40000 per annum + Bonus + Pension + Benefits
Posted: Yesterday
Cardiff, South Glamorgan
Cardiff DT
Salary: £45000 - £55000 per annum + benefits
Posted: Yesterday
Cardiff, South Glamorgan
IntaPeople
Salary: £27000 - £32000 per annum
Posted: 5 days ago