Period
to 19 June 2018

The following table provides summary statistics for contract job vacancies advertised in Wales with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 6 months to 19 June 2018 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Test-Driven Development (TDD)
UK > Wales
6 months to
19 Jun 2018
Same period 2017 Same period 2016
Rank 26 54 16
Rank change year-on-year +28 -38 +12
Contract jobs citing TDD 96 43 139
As % of all contract IT jobs advertised in Wales 6.51% 3.25% 11.34%
As % of the Processes & Methodologies category 7.51% 3.83% 13.64%
Number of daily rates quoted 87 30 109
Wales median daily rate £430 £404 £380
Median daily rate % change year-on-year +6.50% +6.25% -5.00%
10th Percentile £318 £324 £313
90th Percentile £550 £538 £513
UK median daily rate £500 £470 £450
% change year-on-year +6.38% +4.44% +5.88%
Number of hourly rates quoted 0 0 5
Wales median hourly rate - - £47.00
UK median hourly rate £45.00 £40.50 £43.00
% change year-on-year +11.11% -5.81% +4.24%

TDD is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Wales with a requirement for process or methodology skills.

All Process and Methodology Skills
Wales
Contract vacancies with a requirement for process or methodology skills 1,279 1,122 1,019
As % of all contract IT jobs advertised in Wales 86.77% 84.87% 83.12%
Number of daily rates quoted 923 817 709
Wales median daily rate £400 £393 £375
Median daily rate % change year-on-year +1.91% +4.67% +2.74%
10th Percentile £283 £185 £219
90th Percentile £550 £538 £513
UK median daily rate £450 £438 £425
% change year-on-year +2.86% +2.94% +6.25%
Number of hourly rates quoted 45 80 52
Wales median hourly rate £19.40 £25.75 £16.00
Median hourly rate % change year-on-year -24.68% +60.94% +14.82%
10th Percentile £11.17 £12.98 £10.32
90th Percentile £48.75 £77.50 £54.90
UK median hourly rate £21.75 £25.00 £25.00
% change year-on-year -13.00% - +17.37%

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
Contractor Daily Rate Trend in Wales

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing TDD in Wales.

Contractor daily rate trend for TDD in Wales

TDD
Contractor Daily Rate Histogram in Wales

The daily rate distribution of IT jobs citing TDD in Wales over the 6 months to 19 June 2018.

Contractor daily rate histogram for TDD in Wales

TDD
Contractor Hourly Rate Trend in Wales

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing TDD in Wales.

Contractor hourly rate trend for TDD in Wales

TDD
Contract Job Locations in Wales

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Wales region over the 6 months to 19 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
South Wales +20 88 £415 -0.30% 23
West Wales +14 6 £538 +53.57% 2
TDD
UK

For the 6 months to 19 June 2018, IT contractor 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 contract job ads across the Wales region with a requirement for TDD.

1 84 (87.50%) Agile Software Development
2 67 (69.79%) Scrum
3 53 (55.21%) Test Automation
4 44 (45.83%) Software Engineering
5 42 (43.75%) BDD
6 39 (40.63%) Kanban
6 39 (40.63%) PHP
7 38 (39.58%) SOA
8 35 (36.46%) Web Services
9 34 (35.42%) Data Warehouse
9 34 (35.42%) Project Management
10 29 (30.21%) Relational Database
11 25 (26.04%) Customer-Centric Approach
11 25 (26.04%) Customer-Centricity
11 25 (26.04%) .NET
12 24 (25.00%) Continuous Integration
12 24 (25.00%) AngularJS
13 22 (22.92%) C#
14 21 (21.88%) Unit Testing
15 19 (19.79%) JavaScript
15 19 (19.79%) Zend
16 18 (18.75%) SQL Server
16 18 (18.75%) MVC
16 18 (18.75%) Microservices
17 16 (16.67%) HTML
18 15 (15.63%) Selenium
18 15 (15.63%) jQuery
18 15 (15.63%) .NET Framework
19 14 (14.58%) ASP.NET
19 14 (14.58%) CSS

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 4 (4.17%) CMS
1 4 (4.17%) Sitecore CMS
2 3 (3.13%) Cloud Foundry
3 1 (1.04%) Apache ServiceMix
3 1 (1.04%) IIS
3 1 (1.04%) JBoss
3 1 (1.04%) Mongoose
3 1 (1.04%) Mule
3 1 (1.04%) Mule ESB
Cloud Services
1 11 (11.46%) Microsoft Azure
2 2 (2.08%) Amazon AWS
2 2 (2.08%) Google Cloud Platform
2 2 (2.08%) Heroku
2 2 (2.08%) IaaS
2 2 (2.08%) PaaS
Communications & Networking
1 1 (1.04%) SMS
Database & Business Intelligence
1 34 (35.42%) Data Warehouse
2 29 (30.21%) Relational Database
3 18 (18.75%) SQL Server
4 7 (7.29%) NoSQL
5 5 (5.21%) MongoDB
5 5 (5.21%) SQL Server 2012
6 4 (4.17%) SQL Server 2008
7 3 (3.13%) Big Data
8 2 (2.08%) Couchbase
8 2 (2.08%) HPCC
9 1 (1.04%) Hadoop
9 1 (1.04%) MySQL
9 1 (1.04%) RDBMS
9 1 (1.04%) SQL Server Reporting Services
Development Applications
1 15 (15.63%) Selenium
2 8 (8.33%) Jenkins
3 7 (7.29%) Visual Studio
4 5 (5.21%) Cucumber
4 5 (5.21%) Git (software)
4 5 (5.21%) MbUnit
4 5 (5.21%) Mercurial
4 5 (5.21%) MSTest
4 5 (5.21%) NUnit
4 5 (5.21%) SpecFlow
4 5 (5.21%) Team Foundation Server
4 5 (5.21%) TeamCity
5 3 (3.13%) Capybara
5 3 (3.13%) Hudson
5 3 (3.13%) JMeter
5 3 (3.13%) JUnit
5 3 (3.13%) Mockito
5 3 (3.13%) Selenium IDE
5 3 (3.13%) SoapUI
5 3 (3.13%) Visual Studio Team System
General
1 8 (8.33%) Finance
2 5 (5.21%) Publishing
3 1 (1.04%) Digital Economy
3 1 (1.04%) Marketing
3 1 (1.04%) Retail
3 1 (1.04%) Retail Finance
3 1 (1.04%) Telecoms
Job Titles
1 73 (76.04%) Developer
2 38 (39.58%) PHP Developer
3 20 (20.83%) Software Engineer
4 17 (17.71%) Agile Developer
5 16 (16.67%) .NET Developer
6 15 (15.63%) PHP Software Engineer
7 14 (14.58%) Developer/Software Engineer
8 11 (11.46%) PHP Zend Developer
9 9 (9.38%) Java Developer
10 6 (6.25%) Front End Developer (Client-Side Developer)
10 6 (6.25%) Scrum Master
11 5 (5.21%) .NET Software Engineer
11 5 (5.21%) Azure Engineer
11 5 (5.21%) Azure Software Engineer
11 5 (5.21%) C# Developer
11 5 (5.21%) Senior .NET Software Engineer
11 5 (5.21%) Senior Software Engineer
12 4 (4.17%) Analyst
12 4 (4.17%) C# .NET Developer
12 4 (4.17%) Test Engineer
Libraries, Frameworks & Software Standards
1 35 (36.46%) Web Services
2 25 (26.04%) .NET
3 24 (25.00%) AngularJS
4 16 (16.67%) HTML
5 15 (15.63%) .NET Framework
5 15 (15.63%) jQuery
6 14 (14.58%) ASP.NET
6 14 (14.58%) CSS
7 13 (13.54%) KnockoutJS
7 13 (13.54%) WCF
8 12 (12.50%) React
8 12 (12.50%) REST
9 11 (11.46%) ASP.NET Web API
9 11 (11.46%) Entity Framework
10 10 (10.42%) SOAP
11 9 (9.38%) CSS3
11 9 (9.38%) HTML5
12 8 (8.33%) RESTful
13 7 (7.29%) ASP.NET MVC
13 7 (7.29%) Laravel
Miscellaneous
1 10 (10.42%) Greenfield Project
2 4 (4.17%) Fintech
3 2 (2.08%) Cloud Native
4 1 (1.04%) Analytical Skills
4 1 (1.04%) User Experience
Operating Systems
1 4 (4.17%) Linux
2 1 (1.04%) Unix
Processes & Methodologies
1 84 (87.50%) Agile Software Development
2 67 (69.79%) Scrum
3 53 (55.21%) Test Automation
4 44 (45.83%) Software Engineering
5 42 (43.75%) BDD
6 39 (40.63%) Kanban
7 38 (39.58%) SOA
8 34 (35.42%) Project Management
9 25 (26.04%) Customer-Centric Approach
9 25 (26.04%) Customer-Centricity
10 24 (25.00%) Continuous Integration
11 21 (21.88%) Unit Testing
12 18 (18.75%) Microservices
12 18 (18.75%) MVC
13 12 (12.50%) DevOps
14 9 (9.38%) ATDD
15 8 (8.33%) Coaching
16 7 (7.29%) Continuous Delivery
17 6 (6.25%) E-Commerce
17 6 (6.25%) Front End Development
Programming Languages
1 39 (40.63%) PHP
2 22 (22.92%) C#
3 19 (19.79%) JavaScript
4 13 (13.54%) Java
5 12 (12.50%) TypeScript
6 6 (6.25%) Ruby
7 5 (5.21%) Java 8
7 5 (5.21%) Python
8 2 (2.08%) Bash Shell
8 2 (2.08%) Scala
9 1 (1.04%) C++
9 1 (1.04%) Go
9 1 (1.04%) SQL
Qualifications
1 10 (10.42%) Security Cleared
2 3 (3.13%) BPSS Clearance
3 1 (1.04%) SC Cleared
Quality Assurance & Compliance
1 3 (3.13%) QA
2 2 (2.08%) Disclosure Scotland
System Software
1 6 (6.25%) Docker
Systems Management
1 1 (1.04%) Ansible
1 1 (1.04%) Business Desktop Deployment
1 1 (1.04%) Kubernetes
1 1 (1.04%) Opscode Chef
1 1 (1.04%) Puppet
1 1 (1.04%) Salt
Vendors
1 19 (19.79%) Zend
2 6 (6.25%) Microsoft
3 4 (4.17%) Sitecore
4 2 (2.08%) Google
5 1 (1.04%) MuleSoft
5 1 (1.04%) SaltStack