Period
to 12 December 2017

The following table provides summary statistics for permanent job vacancies advertised in Swansea 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 12 December 2017 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
West Wales > Swansea
6 months to
12 Dec 2017
Same period 2016 Same period 2015
Rank 28 29 18
Rank change year-on-year +1 -11 +4
Permanent jobs citing TDD 31 20 8
As % of all permanent IT jobs advertised in Swansea 9.17% 11.17% 7.84%
As % of the Processes & Methodologies category 9.63% 11.90% 9.76%
Number of salaries quoted 30 19 8
Swansea median annual salary £40,000 £50,000 £36,750
Median salary % change year-on-year -20.00% +36.05% -2.00%
10th Percentile £31,250 £32,500 £31,000
90th Percentile £45,575 £57,500 £43,750
West Wales median annual salary £40,000 £50,000 £36,750
% change year-on-year -20.00% +36.05% -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 Swansea with a requirement for process or methodology skills.

All Process and Methodology Skills
Swansea
Permanent vacancies with a requirement for process or methodology skills 322 168 82
As % of all permanent IT jobs advertised in Swansea 95.27% 93.85% 80.39%
Number of salaries quoted 306 162 74
Swansea median annual salary £40,000 £37,500 £35,000
Median salary % change year-on-year +6.67% +7.14% -6.67%
10th Percentile £29,125 £23,750 £22,325
90th Percentile £57,946 £53,750 £70,000
West Wales median annual salary £40,000 £37,500 £31,500
% change year-on-year +6.67% +19.05% -16.00%

TDD
Job Vacancy Trend in Swansea

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

Job vacancy trend for TDD in Swansea

TDD
Salary Trend in Swansea

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

Salary trend for TDD in Swansea

TDD
Salary Histogram in Swansea

The salary distribution of IT jobs citing TDD in Swansea over the 6 months to 12 December 2017.

Salary histogram for TDD in Swansea

For the 6 months to 12 December 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 Swansea region with a requirement for TDD.

1 29 (93.55%) .NET
1 29 (93.55%) C#
1 29 (93.55%) MVC
2 26 (83.87%) Agile Software Development
3 25 (80.65%) ASP.NET
4 24 (77.42%) SQL Server
4 24 (77.42%) ASP.NET MVC
5 20 (64.52%) ASP.NET Web API
5 20 (64.52%) .NET Framework
6 19 (61.29%) BDD
7 18 (58.06%) Entity Framework
7 18 (58.06%) WCF
7 18 (58.06%) Git (software)
8 17 (54.84%) RESTful
8 17 (54.84%) Ruby
8 17 (54.84%) Node.js
8 17 (54.84%) NoSQL
8 17 (54.84%) Enterprise Software
8 17 (54.84%) Web Application Development
8 17 (54.84%) SQL Server 2016
8 17 (54.84%) ASP.NET MVC 5
8 17 (54.84%) Code First Entity Framework
9 12 (38.71%) SQL
10 11 (35.48%) JavaScript
11 9 (29.03%) HTML
12 8 (25.81%) OO
12 8 (25.81%) CSS
12 8 (25.81%) XML
12 8 (25.81%) Team Foundation Server
13 7 (22.58%) Ajax

TDD
Co-occurring IT Skills in Swansea 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 3 (9.68%) Elasticsearch
2 1 (3.23%) SharePoint
Applications
1 2 (6.45%) Microsoft Office
Cloud Services
1 4 (12.90%) Microsoft Azure
2 2 (6.45%) SaaS
3 1 (3.23%) Amazon AWS
Database & Business Intelligence
1 24 (77.42%) SQL Server
2 17 (54.84%) NoSQL
2 17 (54.84%) SQL Server 2016
3 6 (19.35%) SQL Server Reporting Services
4 5 (16.13%) SQL Server 2008
5 4 (12.90%) Azure SQL Database
Development Applications
1 18 (58.06%) Git (software)
2 8 (25.81%) Team Foundation Server
3 5 (16.13%) TeamCity
4 3 (9.68%) Moq
4 3 (9.68%) NUnit
5 2 (6.45%) Cucumber
5 2 (6.45%) JIRA
General
1 5 (16.13%) Pharmaceutical
2 1 (3.23%) Games
2 1 (3.23%) Legal
Job Titles
1 29 (93.55%) Developer
2 24 (77.42%) .NET Developer
3 23 (74.19%) C# Developer
4 22 (70.97%) C# .NET Developer
5 17 (54.84%) ASP.NET Developer
5 17 (54.84%) ASP.NET MVC Developer
5 17 (54.84%) C# ASP.NET Developer
6 9 (29.03%) Senior Developer
7 7 (22.58%) Senior .NET Developer
7 7 (22.58%) Software Developer
8 5 (16.13%) .NET Software Developer
8 5 (16.13%) C# Software Developer
8 5 (16.13%) C# VB.NET Developer
8 5 (16.13%) Senior .NET Software Developer
8 5 (16.13%) Senior C# .NET Developer
8 5 (16.13%) Senior C# Developer
8 5 (16.13%) Senior C# Software Developer
8 5 (16.13%) Senior Software Developer
8 5 (16.13%) Senior VB.NET Developer
8 5 (16.13%) VB.NET Developer
Libraries, Frameworks & Software Standards
1 29 (93.55%) .NET
2 25 (80.65%) ASP.NET
3 24 (77.42%) ASP.NET MVC
4 20 (64.52%) .NET Framework
4 20 (64.52%) ASP.NET Web API
5 18 (58.06%) Entity Framework
5 18 (58.06%) WCF
6 17 (54.84%) ASP.NET MVC 5
6 17 (54.84%) Code First Entity Framework
6 17 (54.84%) Node.js
6 17 (54.84%) RESTful
7 9 (29.03%) HTML
8 8 (25.81%) CSS
8 8 (25.81%) XML
9 7 (22.58%) Ajax
10 6 (19.35%) jQuery
11 3 (9.68%) Autofac
11 3 (9.68%) HTML5
11 3 (9.68%) NHibernate
11 3 (9.68%) Twitter Bootstrap
Miscellaneous
1 17 (54.84%) Enterprise Software
2 6 (19.35%) Analytical Skills
2 6 (19.35%) N-Tier
3 1 (3.23%) Client/Server
Operating Systems
1 2 (6.45%) Windows
Processes & Methodologies
1 29 (93.55%) MVC
2 26 (83.87%) Agile Software Development
3 19 (61.29%) BDD
4 17 (54.84%) Web Application Development
5 8 (25.81%) OO
6 7 (22.58%) Web Development
7 6 (19.35%) OOP
8 5 (16.13%) SOA
9 4 (12.90%) Scrum
10 3 (9.68%) Dependency Injection
11 2 (6.45%) Continuous Deployment
11 2 (6.45%) Continuous Improvement
11 2 (6.45%) Continuous Integration
11 2 (6.45%) Kanban
11 2 (6.45%) Mentoring
11 2 (6.45%) Mobile Development
11 2 (6.45%) OOD
11 2 (6.45%) Product Management
11 2 (6.45%) Test Automation
12 1 (3.23%) SDLC
Programming Languages
1 29 (93.55%) C#
2 17 (54.84%) Ruby
3 12 (38.71%) SQL
4 11 (35.48%) JavaScript
5 7 (22.58%) T-SQL
6 5 (16.13%) VB
6 5 (16.13%) VB.NET
Qualifications
1 5 (16.13%) Degree
Quality Assurance & Compliance
1 1 (3.23%) QA
Vendors
1 2 (6.45%) CA
1 2 (6.45%) CA Agile Central
1 2 (6.45%) Microsoft