Period
to 21 May 2019

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 May 2019 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
UK > Wales
6 months to
21 May 2019
Same period 2018 Same period 2017
Rank 48 26 32
Rank change year-on-year -22 +6 +17
Permanent jobs citing TDD 70 154 153
As % of all permanent IT jobs advertised in Wales 4.14% 8.53% 7.45%
As % of the Processes & Methodologies category 4.51% 9.06% 8.19%
Number of salaries quoted 61 141 142
Wales median annual salary £44,200 £40,000 £42,500
Median salary % change year-on-year +10.50% -5.88% +13.33%
10th Percentile £31,250 £30,500 £26,000
90th Percentile £63,750 £52,500 £56,250
UK median annual salary £55,000 £51,000 £50,000
% change year-on-year +7.84% +2.00% -

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 1,553 1,700 1,868
As % of all permanent IT jobs advertised in Wales 91.78% 94.18% 90.90%
Number of salaries quoted 1,308 1,401 1,532
Wales median annual salary £40,000 £40,000 £40,000
10th Percentile £26,749 £25,000 £24,001
90th Percentile £60,000 £57,500 £56,250
UK median annual salary £52,500 £50,000 £47,500
% change year-on-year +5.00% +5.26% -

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 May 2019.

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 May 2019. 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 -25 69 £45,000 +5.88% 8
Mid Wales +38 1 £37,500 -1.32%
TDD
UK

For the 6 months to 21 May 2019, 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 58 (82.86%) Agile Software Development
2 31 (44.29%) Scrum
3 30 (42.86%) BDD
4 29 (41.43%) .NET
5 27 (38.57%) JavaScript
6 23 (32.86%) C#
7 22 (31.43%) Git (software)
8 19 (27.14%) AngularJS
8 19 (27.14%) Mentoring
8 19 (27.14%) Microservices
9 18 (25.71%) SQL
9 18 (25.71%) Java
10 17 (24.29%) PHP
10 17 (24.29%) MVC
11 15 (21.43%) DevOps
11 15 (21.43%) Microsoft Azure
12 14 (20.00%) NoSQL
12 14 (20.00%) Relational Database
12 14 (20.00%) SOLID
12 14 (20.00%) HTML
13 13 (18.57%) CSS
14 12 (17.14%) Visual Studio
14 12 (17.14%) MySQL
14 12 (17.14%) .NET Framework
14 12 (17.14%) ASP.NET Web API
14 12 (17.14%) Visual Studio Team System
15 11 (15.71%) Continuous Integration
15 11 (15.71%) Amazon AWS
15 11 (15.71%) REST
15 11 (15.71%) Jenkins

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 5 (7.14%) Elasticsearch
1 5 (7.14%) IIS
2 4 (5.71%) JBoss
2 4 (5.71%) SharePoint
2 4 (5.71%) Tomcat
2 4 (5.71%) WebLogic
2 4 (5.71%) WebSphere
3 2 (2.86%) Apache
3 2 (2.86%) CMS
4 1 (1.43%) Apache Spark
4 1 (1.43%) Confluence
4 1 (1.43%) nginx
Business Applications
1 1 (1.43%) NetSuite
1 1 (1.43%) SAP S/4HANA
Cloud Services
1 15 (21.43%) Microsoft Azure
2 11 (15.71%) Amazon AWS
3 4 (5.71%) Cloud Computing
4 2 (2.86%) AWS Lambda
4 2 (2.86%) Serverless
5 1 (1.43%) SaaS
Communications & Networking
1 1 (1.43%) Hyperconnected
1 1 (1.43%) Internet
1 1 (1.43%) SMS
Database & Business Intelligence
1 14 (20.00%) NoSQL
1 14 (20.00%) Relational Database
2 12 (17.14%) MySQL
3 6 (8.57%) MongoDB
4 5 (7.14%) SQL Server
5 4 (5.71%) Cosmos DB
6 3 (4.29%) Amazon DynamoDB
6 3 (4.29%) Big Data
6 3 (4.29%) Couchbase
6 3 (4.29%) Data Warehouse
6 3 (4.29%) Redis
6 3 (4.29%) SQL Server 2008
6 3 (4.29%) SQL Server 2012
7 2 (2.86%) SAP HANA
7 2 (2.86%) SQL Server 2016
8 1 (1.43%) DB2
8 1 (1.43%) PostgreSQL
Development Applications
1 22 (31.43%) Git (software)
2 12 (17.14%) Visual Studio
2 12 (17.14%) Visual Studio Team System
3 11 (15.71%) Jenkins
4 9 (12.86%) JIRA
5 8 (11.43%) Selenium
5 8 (11.43%) Team Foundation Server
6 6 (8.57%) PHPUnit
6 6 (8.57%) TeamCity
7 5 (7.14%) Cucumber
7 5 (7.14%) JUnit
8 4 (5.71%) Subversion
9 3 (4.29%) MbUnit
9 3 (4.29%) Mercurial
9 3 (4.29%) MSTest
9 3 (4.29%) NUnit
9 3 (4.29%) SpecFlow
10 2 (2.86%) git-flow
10 2 (2.86%) JMeter
10 2 (2.86%) Octopus Deploy
General
1 5 (7.14%) Banking
1 5 (7.14%) Finance
2 3 (4.29%) Games
2 3 (4.29%) Retail
2 3 (4.29%) Retail Finance
3 1 (1.43%) Financial Institution
Job Titles
1 60 (85.71%) Developer
2 15 (21.43%) .NET Developer
2 15 (21.43%) C# Developer
3 11 (15.71%) C# .NET Developer
3 11 (15.71%) Java Developer
3 11 (15.71%) Senior Developer
4 10 (14.29%) PHP Developer
5 5 (7.14%) .NET Programmer
5 5 (7.14%) ASP.NET Developer
5 5 (7.14%) C# ASP.NET Developer
5 5 (7.14%) C# Programmer
5 5 (7.14%) Programmer
5 5 (7.14%) Senior .NET Developer
5 5 (7.14%) Senior C# .NET Developer
5 5 (7.14%) Senior C# Developer
5 5 (7.14%) Software Developer
6 4 (5.71%) Agile Developer
6 4 (5.71%) ASP.NET Programmer
7 3 (4.29%) Azure Developer
7 3 (4.29%) Senior Agile Developer
Libraries, Frameworks & Software Standards
1 29 (41.43%) .NET
2 19 (27.14%) AngularJS
3 14 (20.00%) HTML
4 13 (18.57%) CSS
5 12 (17.14%) .NET Framework
5 12 (17.14%) ASP.NET Web API
6 11 (15.71%) .NET Core
6 11 (15.71%) REST
6 11 (15.71%) Spring
7 10 (14.29%) Hibernate
8 9 (12.86%) ASP.NET
8 9 (12.86%) RESTful
8 9 (12.86%) Web Services
9 7 (10.00%) HTML5
9 7 (10.00%) React
10 6 (8.57%) CSS3
10 6 (8.57%) phpspec
10 6 (8.57%) SOAP
11 5 (7.14%) Entity Framework
12 4 (5.71%) Laravel
Miscellaneous
1 8 (11.43%) User Experience
2 7 (10.00%) Greenfield Project
3 5 (7.14%) Fintech
3 5 (7.14%) Self-Motivation
4 4 (5.71%) Cloud Native
5 3 (4.29%) Analytical Mindset
5 3 (4.29%) Analytical Skills
6 1 (1.43%) Cyberattack
6 1 (1.43%) Mainframe
6 1 (1.43%) Social Media
Operating Systems
1 9 (12.86%) Linux
2 4 (5.71%) Unix
3 2 (2.86%) Apple iOS
3 2 (2.86%) Windows
Processes & Methodologies
1 58 (82.86%) Agile Software Development
2 31 (44.29%) Scrum
3 30 (42.86%) BDD
4 19 (27.14%) Mentoring
4 19 (27.14%) Microservices
5 17 (24.29%) MVC
6 15 (21.43%) DevOps
7 14 (20.00%) SOLID
8 11 (15.71%) Continuous Integration
9 10 (14.29%) OOP
10 9 (12.86%) Migration
10 9 (12.86%) Test Automation
11 8 (11.43%) OO
11 8 (11.43%) SDLC
11 8 (11.43%) Unit Testing
11 8 (11.43%) Web Application Development
12 7 (10.00%) Continuous Improvement
12 7 (10.00%) Open Source
13 6 (8.57%) Continuous Delivery
13 6 (8.57%) Kanban
Programming Languages
1 27 (38.57%) JavaScript
2 23 (32.86%) C#
3 18 (25.71%) Java
3 18 (25.71%) SQL
4 17 (24.29%) PHP
5 7 (10.00%) C++
5 7 (10.00%) Python
6 6 (8.57%) Java 8
7 4 (5.71%) TypeScript
7 4 (5.71%) VB
8 2 (2.86%) ABAP
9 1 (1.43%) C
9 1 (1.43%) COBOL
9 1 (1.43%) PHP 5
9 1 (1.43%) Ruby
Qualifications
1 3 (4.29%) Degree
2 2 (2.86%) ISEB
2 2 (2.86%) ISTQB
Quality Assurance & Compliance
1 7 (10.00%) QA
2 2 (2.86%) SLA
System Software
1 5 (7.14%) Docker
2 1 (1.43%) Varnish
Systems Management
1 1 (1.43%) Ansible
1 1 (1.43%) Kubernetes
Vendors
1 10 (14.29%) Microsoft
2 5 (7.14%) SAP
3 2 (2.86%) Zend