Period
to 22 November 2017

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 22 November 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
UK > Wales
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 33 37 56
Rank change year-on-year +4 +19 -19
Permanent jobs citing TDD 138 158 112
As % of all permanent IT jobs advertised in Wales 6.64% 5.99% 4.13%
As % of the Processes & Methodologies category 7.38% 6.73% 4.84%
Number of salaries quoted 133 154 100
Wales median annual salary £40,000 £35,000 £36,639
Median salary % change year-on-year +14.29% -4.47% +4.68%
10th Percentile £28,250 £24,250 £26,250
90th Percentile £50,650 £64,625 £47,750
UK median annual salary £52,500 £50,000 £50,000
% change year-on-year +5.00% - +3.09%

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 1870 2348 2315
As % of all permanent IT jobs advertised in Wales 89.95% 88.97% 85.39%
Number of salaries quoted 1608 2008 1946
Wales median annual salary £40,000 £37,500 £36,500
Median salary % change year-on-year +6.67% +2.74% +4.29%
10th Percentile £23,432 £22,500 £22,500
90th Percentile £56,250 £55,250 £55,000
UK median annual salary £50,000 £49,500 £47,500
% change year-on-year +1.01% +4.21% +5.56%

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 22 November 2017.

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 22 November 2017. 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 -4 90 £40,000 +14.29% 4
West Wales +2 28 £40,000 -11.11% 2
North Wales - 14 £40,000 - 4
Mid Wales - 6 £42,500 - 1
TDD
UK

For the 6 months to 22 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 Wales region with a requirement for TDD.

1 119 (86.23%) Agile Software Development
2 97 (70.29%) C#
3 88 (63.77%) .NET
4 79 (57.25%) MVC
5 73 (52.90%) BDD
6 69 (50.00%) SQL Server
7 67 (48.55%) ASP.NET
8 62 (44.93%) ASP.NET MVC
9 59 (42.75%) RESTful
9 59 (42.75%) ASP.NET Web API
10 55 (39.86%) Scrum
11 51 (36.96%) Web Application Development
12 47 (34.06%) .NET Framework
12 47 (34.06%) WCF
13 43 (31.16%) JavaScript
13 43 (31.16%) ASP.NET MVC 5
14 40 (28.99%) SQL Server 2016
14 40 (28.99%) SQL
14 40 (28.99%) Node.js
15 38 (27.54%) Entity Framework
15 38 (27.54%) NoSQL
15 38 (27.54%) Ruby
16 35 (25.36%) Git (software)
16 35 (25.36%) Java
17 32 (23.19%) Continuous Integration
18 31 (22.46%) HTML
18 31 (22.46%) AngularJS
19 30 (21.74%) CSS
20 26 (18.84%) OO
20 26 (18.84%) Web Development

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 20 (14.49%) Elasticsearch
2 6 (4.35%) Apache Spark
2 6 (4.35%) IIS
3 3 (2.17%) BizTalk Server
3 3 (2.17%) CMS
4 2 (1.45%) Liferay
4 2 (1.45%) MTS
4 2 (1.45%) SharePoint
4 2 (1.45%) Tomcat
5 1 (0.72%) Apache
5 1 (0.72%) Cloud Foundry
5 1 (0.72%) JBoss
5 1 (0.72%) nginx
5 1 (0.72%) WebLogic
5 1 (0.72%) WebSphere
Applications
1 2 (1.45%) Microsoft Office
2 1 (0.72%) Mingle
Business Applications
1 3 (2.17%) Dynamics CRM
Cloud Services
1 24 (17.39%) Microsoft Azure
2 15 (10.87%) Amazon AWS
3 14 (10.14%) PaaS
4 9 (6.52%) SaaS
5 7 (5.07%) IaaS
6 2 (1.45%) Cloud Computing
6 2 (1.45%) GitHub
6 2 (1.45%) Serverless
7 1 (0.72%) Heroku
7 1 (0.72%) Office 365
7 1 (0.72%) Trello
Communications & Networking
1 11 (7.97%) Hyperconnected
1 11 (7.97%) Internet
2 7 (5.07%) Broadband
3 1 (0.72%) HTTP
Database & Business Intelligence
1 69 (50.00%) SQL Server
2 40 (28.99%) SQL Server 2016
3 38 (27.54%) NoSQL
4 20 (14.49%) MongoDB
5 10 (7.25%) SQL Server 2008
6 9 (6.52%) Relational Database
7 6 (4.35%) Azure SQL Database
7 6 (4.35%) Hadoop
7 6 (4.35%) SQL Server 2014
7 6 (4.35%) SQL Server Reporting Services
8 4 (2.90%) Big Data
8 4 (2.90%) MySQL
9 2 (1.45%) Apache Cassandra
9 2 (1.45%) Neo4j
10 1 (0.72%) Redis
Development Applications
1 35 (25.36%) Git (software)
2 16 (11.59%) Team Foundation Server
3 13 (9.42%) NUnit
3 13 (9.42%) TeamCity
4 12 (8.70%) Moq
5 8 (5.80%) MSTest
5 8 (5.80%) Selenium
6 7 (5.07%) Visual Studio
7 5 (3.62%) Subversion
8 4 (2.90%) JIRA
9 3 (2.17%) GoogleTest
9 3 (2.17%) JMeter
9 3 (2.17%) JUnit
9 3 (2.17%) Rhino Mocks
9 3 (2.17%) WebDriver
10 2 (1.45%) Bitbucket
10 2 (1.45%) Cucumber
10 2 (1.45%) Eclipse
10 2 (1.45%) SpecFlow
10 2 (1.45%) VSS/SourceSafe
General
1 15 (10.87%) Games
2 12 (8.70%) Marketing
3 8 (5.80%) Finance
4 5 (3.62%) Pharmaceutical
5 3 (2.17%) Advertising
6 2 (1.45%) Law
6 2 (1.45%) Retail
7 1 (0.72%) Banking
7 1 (0.72%) Electronics
7 1 (0.72%) Legal
7 1 (0.72%) Manufacturing
7 1 (0.72%) Telecoms
Job Titles
1 117 (84.78%) Developer
2 72 (52.17%) .NET Developer
3 40 (28.99%) C# Developer
4 36 (26.09%) C# .NET Developer
5 23 (16.67%) ASP.NET Developer
5 23 (16.67%) C# ASP.NET Developer
5 23 (16.67%) Senior Developer
5 23 (16.67%) Software Developer
6 22 (15.94%) .NET Software Developer
7 17 (12.32%) Java Developer
8 16 (11.59%) ASP.NET MVC Developer
9 12 (8.70%) C# Software Developer
9 12 (8.70%) Junior
10 10 (7.25%) Graduate
10 10 (7.25%) Junior Developer
11 9 (6.52%) C++ Developer
11 9 (6.52%) Graduate .NET Developer
11 9 (6.52%) Graduate Developer
11 9 (6.52%) Junior .NET Developer
11 9 (6.52%) Senior .NET Developer
Libraries, Frameworks & Software Standards
1 88 (63.77%) .NET
2 67 (48.55%) ASP.NET
3 62 (44.93%) ASP.NET MVC
4 59 (42.75%) ASP.NET Web API
4 59 (42.75%) RESTful
5 47 (34.06%) .NET Framework
5 47 (34.06%) WCF
6 43 (31.16%) ASP.NET MVC 5
7 40 (28.99%) Node.js
8 38 (27.54%) Entity Framework
9 31 (22.46%) AngularJS
9 31 (22.46%) HTML
10 30 (21.74%) CSS
11 26 (18.84%) Code First Entity Framework
11 26 (18.84%) Twitter Bootstrap
12 22 (15.94%) KnockoutJS
13 21 (15.22%) WPF
14 17 (12.32%) Spring
15 16 (11.59%) jQuery
16 15 (10.87%) XML
Miscellaneous
1 15 (10.87%) Enterprise Software
2 13 (9.42%) Greenfield Project
3 11 (7.97%) Computer Science
4 8 (5.80%) N-Tier
5 6 (4.35%) Analytical Skills
5 6 (4.35%) Tandem
6 3 (2.17%) Fintech
7 2 (1.45%) Client/Server
7 2 (1.45%) Cloud Native
7 2 (1.45%) Management Information System
7 2 (1.45%) NHS
7 2 (1.45%) User Experience
8 1 (0.72%) Mobile App
Operating Systems
1 12 (8.70%) Windows
2 3 (2.17%) Android
2 3 (2.17%) Apple iOS
2 3 (2.17%) Windows Server
2 3 (2.17%) Windows Server 2008
3 2 (1.45%) DC/OS
4 1 (0.72%) Linux
Processes & Methodologies
1 119 (86.23%) Agile Software Development
2 79 (57.25%) MVC
3 73 (52.90%) BDD
4 55 (39.86%) Scrum
5 51 (36.96%) Web Application Development
6 32 (23.19%) Continuous Integration
7 26 (18.84%) OO
7 26 (18.84%) Web Development
8 25 (18.12%) Dependency Injection
9 23 (16.67%) Test Automation
10 22 (15.94%) OOP
11 21 (15.22%) Kanban
12 18 (13.04%) Software Engineering
13 15 (10.87%) Multithreading
14 14 (10.14%) Microservices
15 12 (8.70%) SDLC
16 11 (7.97%) DevOps
16 11 (7.97%) SOLID
17 10 (7.25%) Open Source
18 9 (6.52%) SOA
Programming Languages
1 97 (70.29%) C#
2 43 (31.16%) JavaScript
3 40 (28.99%) SQL
4 38 (27.54%) Ruby
5 35 (25.36%) Java
6 13 (9.42%) C++
7 12 (8.70%) Go
7 12 (8.70%) T-SQL
8 7 (5.07%) VB.NET
9 6 (4.35%) F#
9 6 (4.35%) Python
9 6 (4.35%) R
9 6 (4.35%) Scala
10 5 (3.62%) VB
11 4 (2.90%) PHP
12 2 (1.45%) C
12 2 (1.45%) TypeScript
13 1 (0.72%) Groovy
13 1 (0.72%) PHP 5
Qualifications
1 10 (7.25%) Degree
2 2 (1.45%) Computer Science Degree
3 1 (0.72%) ISEB
Quality Assurance & Compliance
1 7 (5.07%) QA
2 1 (0.72%) GDPR
System Software
1 4 (2.90%) Docker
2 1 (0.72%) Varnish
Systems Management
1 7 (5.07%) Kibana
2 5 (3.62%) Ansible
3 4 (2.90%) Terraform
4 2 (1.45%) Kubernetes
Vendors
1 22 (15.94%) Microsoft
2 11 (7.97%) Google
3 6 (4.35%) Oracle
4 4 (2.90%) Sony
5 3 (2.17%) SAP
6 2 (1.45%) TOWER Software
7 1 (0.72%) Atlassian
7 1 (0.72%) CA
7 1 (0.72%) CA Agile Central