Period
to 21 June 2018

The following table provides summary statistics for permanent job vacancies advertised in Wales 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 21 June 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
UK > Wales
6 months to
21 Jun 2018
Same period 2017 Same period 2016
Rank 22 32 52
Rank change year-on-year +10 +20 +9
Permanent jobs citing TDD 177 147 115
As % of all permanent IT jobs advertised in Wales 9.44% 7.09% 4.25%
As % of the Processes & Methodologies category 10.18% 7.82% 5.03%
Number of salaries quoted 161 137 106
Wales median annual salary £42,500 £41,500 £37,500
Median salary % change year-on-year +2.41% +10.67% -
10th Percentile £30,750 £26,000 £27,000
90th Percentile £52,500 £56,250 £53,000
UK median annual salary £52,500 £50,000 £50,000
% change year-on-year +5.00% - +5.26%

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 Wales with a requirement for process or methodology skills.

All Process and Methodology Skills
Wales
Permanent vacancies with a requirement for process or methodology skills 1,739 1,879 2,288
As % of all permanent IT jobs advertised in Wales 92.75% 90.60% 84.58%
Number of salaries quoted 1,417 1,561 1,940
Wales median annual salary £40,000 £40,000 £37,500
Median salary % change year-on-year - +6.67% +1.35%
10th Percentile £25,000 £24,000 £22,500
90th Percentile £57,946 £56,250 £53,775
UK median annual salary £50,000 £48,000 £47,500
% change year-on-year +4.17% +1.05% +2.15%

TDD
Job Vacancy Trend in Wales

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

Job vacancy trend for TDD in Wales

TDD
Salary Trend in Wales

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

Salary trend for TDD in Wales

TDD
Salary Histogram in Wales

The salary distribution of IT jobs citing TDD in Wales over the 6 months to 21 June 2018.

Salary histogram for TDD in Wales

TDD
Job Locations in Wales

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing TDD within the Wales region over the 6 months to 21 June 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
South Wales +14 145 £42,500 +3.66% 28
West Wales +11 24 £40,000 -20.00% 2
North Wales -7 7 £40,000 - 3
Mid Wales - 1 £38,000 -
TDD
UK

For the 6 months to 21 June 2018, IT jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the Wales region with a requirement for TDD.

1 148 (83.62%) Agile Software Development
2 100 (56.50%) BDD
3 90 (50.85%) C#
4 86 (48.59%) Scrum
5 78 (44.07%) .NET
6 62 (35.03%) MVC
7 61 (34.46%) SQL Server
7 61 (34.46%) Java
8 60 (33.90%) RESTful
9 53 (29.94%) ASP.NET
10 52 (29.38%) Git (software)
11 51 (28.81%) Test Automation
12 48 (27.12%) SQL
13 47 (26.55%) Continuous Integration
13 47 (26.55%) Web Application Development
14 46 (25.99%) AngularJS
14 46 (25.99%) ASP.NET MVC
14 46 (25.99%) JavaScript
15 44 (24.86%) ASP.NET Web API
16 43 (24.29%) NoSQL
17 39 (22.03%) SQL Server 2016
17 39 (22.03%) ASP.NET MVC 5
18 35 (19.77%) REST
19 33 (18.64%) Software Engineering
20 32 (18.08%) HTML
21 31 (17.51%) Spring
21 31 (17.51%) Ruby
22 30 (16.95%) CSS
22 30 (16.95%) Microservices
22 30 (16.95%) Problem-Solving

TDD
Co-occurring IT Skills in Wales 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 18 (10.17%) Elasticsearch
2 5 (2.82%) Tomcat
3 4 (2.26%) Apache
3 4 (2.26%) IIS
3 4 (2.26%) Liferay
4 3 (1.69%) Apache Airflow
4 3 (1.69%) Cloud Foundry
5 2 (1.13%) Apache Spark
6 1 (0.56%) Anypoint
6 1 (0.56%) Apache Pig
6 1 (0.56%) Drupal
6 1 (0.56%) nginx
6 1 (0.56%) OpenStack
6 1 (0.56%) SAS
Cloud Services
1 20 (11.30%) Amazon AWS
2 13 (7.34%) Microsoft Azure
3 8 (4.52%) Cloud Computing
3 8 (4.52%) PaaS
4 4 (2.26%) IaaS
4 4 (2.26%) SaaS
4 4 (2.26%) Serverless
5 2 (1.13%) GitHub
6 1 (0.56%) Slack
6 1 (0.56%) Trello
Communications & Networking
1 17 (9.60%) Internet
2 15 (8.47%) Hyperconnected
3 1 (0.56%) SSL
Database & Business Intelligence
1 61 (34.46%) SQL Server
2 43 (24.29%) NoSQL
3 39 (22.03%) SQL Server 2016
4 19 (10.73%) MongoDB
5 12 (6.78%) MySQL
6 9 (5.08%) Relational Database
7 7 (3.95%) Cosmos DB
8 5 (2.82%) PostgreSQL
9 3 (1.69%) Data Warehouse
9 3 (1.69%) Geospatial Data
9 3 (1.69%) GIS
9 3 (1.69%) Redis
10 2 (1.13%) Apache Cassandra
10 2 (1.13%) Big Data
10 2 (1.13%) Couchbase
10 2 (1.13%) SQL Server 2008
10 2 (1.13%) SQL Server 2012
11 1 (0.56%) Apache Hive
11 1 (0.56%) Hadoop
11 1 (0.56%) Neo4j
Development Applications
1 52 (29.38%) Git (software)
2 21 (11.86%) Cucumber
3 20 (11.30%) Selenium
4 18 (10.17%) JUnit
5 11 (6.21%) WebDriver
6 10 (5.65%) Protractor
6 10 (5.65%) Subversion
7 8 (4.52%) JIRA
7 8 (4.52%) Maven
7 8 (4.52%) TeamCity
8 7 (3.95%) Jenkins
8 7 (3.95%) JMeter
8 7 (3.95%) SoapUI
8 7 (3.95%) Visual Studio
9 4 (2.26%) NUnit
9 4 (2.26%) SpecFlow
9 4 (2.26%) Team Foundation Server
10 3 (1.69%) Mercurial
11 2 (1.13%) Atlassian Bamboo
11 2 (1.13%) TestNG
General
1 16 (9.04%) Finance
2 13 (7.34%) Banking
2 13 (7.34%) Investment Banking
3 7 (3.95%) Retail
4 4 (2.26%) Financial Institution
4 4 (2.26%) Marketing
5 3 (1.69%) Law
5 3 (1.69%) Legal
6 2 (1.13%) Advertising
6 2 (1.13%) Games
6 2 (1.13%) Telecoms
7 1 (0.56%) Publishing
7 1 (0.56%) Retail Finance
Job Titles
1 135 (76.27%) Developer
2 59 (33.33%) .NET Developer
2 59 (33.33%) C# Developer
3 46 (25.99%) C# .NET Developer
4 42 (23.73%) ASP.NET Developer
4 42 (23.73%) C# ASP.NET Developer
5 22 (12.43%) ASP.NET MVC Developer
5 22 (12.43%) Java Developer
6 13 (7.34%) Senior Developer
7 11 (6.21%) PHP Developer
8 10 (5.65%) Tester
9 9 (5.08%) Software Developer
10 7 (3.95%) Front End Developer (Client-Side Developer)
10 7 (3.95%) Senior C# Developer
10 7 (3.95%) Software Engineer
11 6 (3.39%) Scrum Master
11 6 (3.39%) Senior .NET Developer
11 6 (3.39%) Senior C# .NET Developer
11 6 (3.39%) SQL Developer
12 5 (2.82%) Test Engineer
Libraries, Frameworks & Software Standards
1 78 (44.07%) .NET
2 60 (33.90%) RESTful
3 53 (29.94%) ASP.NET
4 46 (25.99%) AngularJS
4 46 (25.99%) ASP.NET MVC
5 44 (24.86%) ASP.NET Web API
6 39 (22.03%) ASP.NET MVC 5
7 35 (19.77%) REST
8 32 (18.08%) HTML
9 31 (17.51%) Spring
10 30 (16.95%) CSS
11 29 (16.38%) WCF
12 27 (15.25%) .NET Framework
13 26 (14.69%) Node.js
14 25 (14.12%) Entity Framework
15 24 (13.56%) Code First Entity Framework
16 20 (11.30%) KnockoutJS
17 19 (10.73%) Hibernate
18 18 (10.17%) Twitter Bootstrap
18 18 (10.17%) Web Services
Miscellaneous
1 26 (14.69%) Enterprise Software
2 12 (6.78%) Cloud Native
2 12 (6.78%) User Experience
3 9 (5.08%) Computer Science
4 6 (3.39%) Greenfield Project
4 6 (3.39%) Management Information System
5 5 (2.82%) Digital Media
6 4 (2.26%) Mobile App
7 3 (1.69%) NHS
8 2 (1.13%) Fintech
8 2 (1.13%) N-Tier
8 2 (1.13%) Video\Live Streaming
9 1 (0.56%) Algorithms
9 1 (0.56%) Analytical Skills
9 1 (0.56%) Self-Motivation
9 1 (0.56%) Xbox
Operating Systems
1 10 (5.65%) Linux
2 9 (5.08%) Apple iOS
3 7 (3.95%) Android
4 4 (2.26%) Unix
5 2 (1.13%) CentOS
5 2 (1.13%) Ubuntu
Processes & Methodologies
1 148 (83.62%) Agile Software Development
2 100 (56.50%) BDD
3 86 (48.59%) Scrum
4 62 (35.03%) MVC
5 51 (28.81%) Test Automation
6 47 (26.55%) Continuous Integration
6 47 (26.55%) Web Application Development
7 33 (18.64%) Software Engineering
8 30 (16.95%) Microservices
8 30 (16.95%) Problem-Solving
9 27 (15.25%) Dependency Injection
10 24 (13.56%) Kanban
11 22 (12.43%) DevOps
12 16 (9.04%) Open Source
13 14 (7.91%) OO
13 14 (7.91%) Web Development
14 13 (7.34%) Acceptance Criteria
14 13 (7.34%) ATDD
14 13 (7.34%) Test-First Development
14 13 (7.34%) Wealth Management
Programming Languages
1 90 (50.85%) C#
2 61 (34.46%) Java
3 48 (27.12%) SQL
4 46 (25.99%) JavaScript
5 31 (17.51%) Ruby
6 17 (9.60%) PHP
7 12 (6.78%) Python
8 9 (5.08%) Go
8 9 (5.08%) Java 8
9 8 (4.52%) C++
10 4 (2.26%) T-SQL
10 4 (2.26%) VB.NET
11 2 (1.13%) Bash Shell
11 2 (1.13%) C
11 2 (1.13%) Perl
11 2 (1.13%) Scala
11 2 (1.13%) TypeScript
12 1 (0.56%) ES8
12 1 (0.56%) PowerShell
12 1 (0.56%) R
Qualifications
1 5 (2.82%) Degree
2 2 (1.13%) Chartered Engineer
2 2 (1.13%) CITP
2 2 (1.13%) Computer Science Degree
2 2 (1.13%) Sun Certification
Quality Assurance & Compliance
1 17 (9.60%) QA
2 4 (2.26%) GDPR
3 1 (0.56%) MISRA
3 1 (0.56%) PMO
System Software
1 7 (3.95%) Docker
2 1 (0.56%) HDFS
Systems Management
1 6 (3.39%) Ansible
1 6 (3.39%) Terraform
2 3 (1.69%) Kubernetes
3 1 (0.56%) Kibana
Vendors
1 10 (5.65%) Oracle
2 7 (3.95%) Microsoft
3 6 (3.39%) SAP
4 2 (1.13%) IBM
4 2 (1.13%) Red Hat
4 2 (1.13%) Sybase
5 1 (0.56%) Apigee
5 1 (0.56%) Apple
5 1 (0.56%) Mashery
5 1 (0.56%) MuleSoft
5 1 (0.56%) Perforce
5 1 (0.56%) Sitecore
5 1 (0.56%) Splunk