Period
to 18 August 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 18 August 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
UK > Wales
6 months to
18 Aug 2018
Same period 2017 Same period 2016
Rank 24 31 52
Rank change year-on-year +7 +21 +9
Permanent jobs citing TDD 164 139 119
As % of all permanent IT jobs advertised in Wales 8.49% 6.56% 4.48%
As % of the Processes & Methodologies category 9.29% 7.11% 5.09%
Number of salaries quoted 146 129 114
Wales median annual salary £42,500 £41,500 £37,500
Median salary % change year-on-year +2.41% +10.67% -
10th Percentile £32,500 £28,250 £26,250
90th Percentile £57,500 £52,500 £52,850
UK median annual salary £52,500 £52,000 £52,000
% change year-on-year +0.96% - +6.12%

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 1,766 1,955 2,338
As % of all permanent IT jobs advertised in Wales 91.46% 92.26% 88.09%
Number of salaries quoted 1,425 1,693 1,974
Wales median annual salary £40,000 £40,000 £37,500
Median salary % change year-on-year - +6.67% +1.35%
10th Percentile £25,000 £24,250 £22,500
90th Percentile £60,000 £57,500 £53,750
UK median annual salary £50,000 £50,000 £47,690
% change year-on-year - +4.84% +0.40%

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 18 August 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 18 August 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 +14 146 £42,500 - 18
West Wales +12 15 £40,000 - 1
North Wales -7 3 £45,000 +12.50%
TDD
UK

For the 6 months to 18 August 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.

1 122 (74.39%) Agile Software Development
2 92 (56.10%) BDD
3 77 (46.95%) Scrum
4 70 (42.68%) Java
5 67 (40.85%) C#
6 60 (36.59%) Test Automation
7 57 (34.76%) Continuous Integration
7 57 (34.76%) .NET
8 44 (26.83%) SQL
9 41 (25.00%) REST
10 40 (24.39%) RESTful
10 40 (24.39%) MVC
11 39 (23.78%) AngularJS
12 38 (23.17%) SQL Server
13 36 (21.95%) JavaScript
13 36 (21.95%) Git (software)
14 35 (21.34%) NoSQL
15 32 (19.51%) Web Application Development
15 32 (19.51%) Cucumber
16 31 (18.90%) Web Services
16 31 (18.90%) Spring
16 31 (18.90%) Software Engineering
17 30 (18.29%) ASP.NET
17 30 (18.29%) Selenium
17 30 (18.29%) QA
18 29 (17.68%) Microservices
19 27 (16.46%) HTML
20 26 (15.85%) Problem-Solving
21 25 (15.24%) CSS
22 24 (14.63%) ASP.NET Web API

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 12 (7.32%) Elasticsearch
2 4 (2.44%) Confluence
2 4 (2.44%) Liferay
3 3 (1.83%) Apache
3 3 (1.83%) Apache Airflow
4 2 (1.22%) Apache Spark
4 2 (1.22%) Cloud Foundry
4 2 (1.22%) Tomcat
5 1 (0.61%) Anypoint
5 1 (0.61%) Apache Pig
5 1 (0.61%) IIS
5 1 (0.61%) OpenStack
5 1 (0.61%) SAS
Cloud Services
1 19 (11.59%) Amazon AWS
2 12 (7.32%) Microsoft Azure
3 8 (4.88%) Cloud Computing
4 6 (3.66%) PaaS
5 5 (3.05%) Serverless
6 4 (2.44%) GitHub
6 4 (2.44%) IaaS
7 3 (1.83%) Google Cloud Platform
7 3 (1.83%) Slack
7 3 (1.83%) Trello
8 2 (1.22%) Dynamics 365
8 2 (1.22%) SaaS
Communications & Networking
1 13 (7.93%) Internet
2 9 (5.49%) Hyperconnected
3 1 (0.61%) SSL
Database & Business Intelligence
1 38 (23.17%) SQL Server
2 35 (21.34%) NoSQL
3 24 (14.63%) SQL Server 2016
4 16 (9.76%) MongoDB
5 12 (7.32%) MySQL
6 8 (4.88%) Relational Database
7 4 (2.44%) Cosmos DB
7 4 (2.44%) Data Warehouse
8 3 (1.83%) Big Data
8 3 (1.83%) SQL Server 2012
9 2 (1.22%) Apache Cassandra
9 2 (1.22%) PostgreSQL
9 2 (1.22%) Redis
10 1 (0.61%) Apache Hive
10 1 (0.61%) Couchbase
10 1 (0.61%) Hadoop
10 1 (0.61%) Neo4j
10 1 (0.61%) SAP HANA
10 1 (0.61%) SQL Server 2008
10 1 (0.61%) Sqoop
Development Applications
1 36 (21.95%) Git (software)
2 32 (19.51%) Cucumber
3 30 (18.29%) Selenium
4 22 (13.41%) JUnit
5 17 (10.37%) Protractor
5 17 (10.37%) WebDriver
6 14 (8.54%) JMeter
6 14 (8.54%) SoapUI
7 12 (7.32%) JIRA
8 10 (6.10%) Subversion
9 9 (5.49%) Maven
10 7 (4.27%) TeamCity
11 6 (3.66%) Jenkins
12 3 (1.83%) Visual Studio
13 2 (1.22%) Ant
13 2 (1.22%) Atlassian Bamboo
13 2 (1.22%) Mercurial
13 2 (1.22%) NUnit
13 2 (1.22%) Team Foundation Server
13 2 (1.22%) TestNG
General
1 16 (9.76%) Finance
2 9 (5.49%) Banking
3 8 (4.88%) Investment Banking
4 6 (3.66%) Retail
5 4 (2.44%) Law
6 3 (1.83%) Legal
7 2 (1.22%) Advertising
7 2 (1.22%) Financial Institution
7 2 (1.22%) Telecoms
8 1 (0.61%) Games
8 1 (0.61%) Marketing
Job Titles
1 109 (66.46%) Developer
2 42 (25.61%) C# Developer
3 38 (23.17%) .NET Developer
4 33 (20.12%) C# .NET Developer
5 27 (16.46%) ASP.NET Developer
5 27 (16.46%) C# ASP.NET Developer
6 20 (12.20%) Java Developer
7 15 (9.15%) ASP.NET MVC Developer
8 14 (8.54%) Senior Developer
9 13 (7.93%) Tester
10 11 (6.71%) Software Engineer
11 10 (6.10%) PHP Developer
12 9 (5.49%) Front End Developer (Client-Side Developer)
12 9 (5.49%) Software Developer
13 8 (4.88%) Java Engineer
13 8 (4.88%) QA Engineer
14 7 (4.27%) Python Developer
14 7 (4.27%) Senior C# Developer
15 6 (3.66%) Senior .NET Developer
15 6 (3.66%) SQL Developer
Libraries, Frameworks & Software Standards
1 57 (34.76%) .NET
2 41 (25.00%) REST
3 40 (24.39%) RESTful
4 39 (23.78%) AngularJS
5 31 (18.90%) Spring
5 31 (18.90%) Web Services
6 30 (18.29%) ASP.NET
7 27 (16.46%) HTML
8 25 (15.24%) CSS
9 24 (14.63%) ASP.NET Web API
10 23 (14.02%) ASP.NET MVC
11 22 (13.41%) ASP.NET MVC 5
12 20 (12.20%) .NET Framework
13 19 (11.59%) WCF
14 18 (10.98%) HTML5
15 17 (10.37%) Hibernate
16 15 (9.15%) jQuery
16 15 (9.15%) KnockoutJS
16 15 (9.15%) Node.js
17 13 (7.93%) CSS3
Miscellaneous
1 18 (10.98%) Enterprise Software
2 12 (7.32%) Fintech
3 11 (6.71%) User Experience
4 9 (5.49%) Cloud Native
5 7 (4.27%) Digital Media
6 6 (3.66%) Computer Science
7 5 (3.05%) Greenfield Project
7 5 (3.05%) Mobile App
8 3 (1.83%) Analytical Skills
9 2 (1.22%) Video\Live Streaming
10 1 (0.61%) Algorithms
10 1 (0.61%) N-Tier
10 1 (0.61%) Self-Motivation
Operating Systems
1 11 (6.71%) Apple iOS
1 11 (6.71%) Linux
2 9 (5.49%) Android
3 4 (2.44%) Unix
4 2 (1.22%) CentOS
4 2 (1.22%) Ubuntu
Processes & Methodologies
1 122 (74.39%) Agile Software Development
2 92 (56.10%) BDD
3 77 (46.95%) Scrum
4 60 (36.59%) Test Automation
5 57 (34.76%) Continuous Integration
6 40 (24.39%) MVC
7 32 (19.51%) Web Application Development
8 31 (18.90%) Software Engineering
9 29 (17.68%) Microservices
10 26 (15.85%) Problem-Solving
11 22 (13.41%) Acceptance Criteria
12 20 (12.20%) DevOps
13 18 (10.98%) Dependency Injection
13 18 (10.98%) Kanban
14 17 (10.37%) Issue Tracking
14 17 (10.37%) Open Source
14 17 (10.37%) Software Testing
15 16 (9.76%) OO
16 15 (9.15%) Unit Testing
17 13 (7.93%) SDET
Programming Languages
1 70 (42.68%) Java
2 67 (40.85%) C#
3 44 (26.83%) SQL
4 36 (21.95%) JavaScript
5 20 (12.20%) Ruby
6 17 (10.37%) PHP
7 15 (9.15%) Go
8 14 (8.54%) Python
9 8 (4.88%) Java 8
10 6 (3.66%) C++
11 3 (1.83%) TypeScript
12 2 (1.22%) Bash Shell
12 2 (1.22%) C
12 2 (1.22%) Perl
12 2 (1.22%) Scala
12 2 (1.22%) XPath
13 1 (0.61%) Groovy
13 1 (0.61%) PowerShell
13 1 (0.61%) R
13 1 (0.61%) VBScript
Qualifications
1 6 (3.66%) Degree
2 2 (1.22%) Chartered Engineer
2 2 (1.22%) CITP
2 2 (1.22%) Computer Science Degree
2 2 (1.22%) SC Cleared
2 2 (1.22%) Security Cleared
2 2 (1.22%) Sun Certification
Quality Assurance & Compliance
1 30 (18.29%) QA
2 4 (2.44%) GDPR
3 1 (0.61%) GCP
3 1 (0.61%) MISRA
3 1 (0.61%) SLA
System Software
1 11 (6.71%) Docker
2 1 (0.61%) HDFS
Systems Management
1 4 (2.44%) Ansible
1 4 (2.44%) Terraform
2 3 (1.83%) Kubernetes
3 1 (0.61%) Kibana
Vendors
1 10 (6.10%) Oracle
2 8 (4.88%) Microsoft
3 6 (3.66%) SAP
4 2 (1.22%) Google
4 2 (1.22%) Red Hat
4 2 (1.22%) Sybase
5 1 (0.61%) Apigee
5 1 (0.61%) IBM
5 1 (0.61%) Mashery
5 1 (0.61%) MuleSoft
5 1 (0.61%) Perforce
5 1 (0.61%) Sitecore
5 1 (0.61%) Splunk