Period
to 22 September 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 22 September 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
22 Sep 2018
Same period 2017 Same period 2016
Rank 27 49 12
Rank change year-on-year +22 -37 +8
Contract jobs citing TDD 111 38 118
As % of all contract IT jobs advertised in Wales 7.20% 3.29% 10.12%
As % of the Processes & Methodologies category 8.15% 3.89% 12.25%
Number of daily rates quoted 102 30 94
Wales median daily rate £425 £438 £450
Median daily rate % change year-on-year -2.86% -2.78% +12.50%
10th Percentile £335 £324 £330
90th Percentile £534 £538 £525
UK median daily rate £500 £475 £450
% change year-on-year +5.26% +5.56% +5.88%
Number of hourly rates quoted 0 0 0
Wales median hourly rate - - -
UK median hourly rate £45.00 £42.50 £41.25
% change year-on-year +5.88% +3.03% +1.85%

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 1,362 978 963
As % of all contract IT jobs advertised in Wales 88.38% 84.60% 82.59%
Number of daily rates quoted 985 677 668
Wales median daily rate £413 £380 £390
Median daily rate % change year-on-year +8.55% -2.56% +7.59%
10th Percentile £286 £192 £210
90th Percentile £575 £538 £538
UK median daily rate £450 £450 £425
% change year-on-year - +5.88% +5.59%
Number of hourly rates quoted 45 60 47
Wales median hourly rate £13.00 £24.50 £13.50
Median hourly rate % change year-on-year -46.94% +81.48% -3.57%
10th Percentile £10.75 £13.00 £10.15
90th Percentile £27.80 £58.75 £65.50
UK median hourly rate £20.50 £24.00 £22.84
% change year-on-year -14.58% +5.10% +3.80%

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 22 September 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 22 September 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 +24 104 £425 -5.56% 23
West Wales +12 4 £513 +46.43% 4
TDD
UK

For the 6 months to 22 September 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 92 (82.88%) Agile Software Development
2 82 (73.87%) Scrum
3 76 (68.47%) Test Automation
4 51 (45.95%) Software Engineering
5 50 (45.05%) PHP
5 50 (45.05%) SOA
6 49 (44.14%) Kanban
7 48 (43.24%) Web Services
8 47 (42.34%) Project Management
9 46 (41.44%) Data Warehouse
10 38 (34.23%) Relational Database
11 37 (33.33%) Zend
12 36 (32.43%) Continuous Integration
13 35 (31.53%) BDD
14 33 (29.73%) Customer-Centric Approach
14 33 (29.73%) Customer-Centricity
15 27 (24.32%) .NET
15 27 (24.32%) C#
16 20 (18.02%) Finance
17 18 (16.22%) Jenkins
18 17 (15.32%) Java
19 16 (14.41%) MVC
19 16 (14.41%) .NET Framework
19 16 (14.41%) REST
20 15 (13.51%) Laravel
20 15 (13.51%) Selenium
21 14 (12.61%) Unit Testing
21 14 (12.61%) ASP.NET
22 13 (11.71%) Visual Studio
22 13 (11.71%) DevOps

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 7 (6.31%) Confluence
2 3 (2.70%) CMS
2 3 (2.70%) Sitecore CMS
3 2 (1.80%) Apache ServiceMix
3 2 (1.80%) BizTalk Server
3 2 (1.80%) Cloud Foundry
3 2 (1.80%) JBoss
3 2 (1.80%) Mule
3 2 (1.80%) Mule ESB
4 1 (0.90%) Anypoint
4 1 (0.90%) IIS
Cloud Services
1 11 (9.91%) Amazon AWS
2 10 (9.01%) Microsoft Azure
3 2 (1.80%) Google Cloud Platform
3 2 (1.80%) Heroku
3 2 (1.80%) IaaS
3 2 (1.80%) PaaS
4 1 (0.90%) GitHub
Communications & Networking
1 8 (7.21%) VPN
2 2 (1.80%) HTTP
Database & Business Intelligence
1 46 (41.44%) Data Warehouse
2 38 (34.23%) Relational Database
3 11 (9.91%) SQL Server
4 8 (7.21%) PostgreSQL
5 7 (6.31%) Big Data
5 7 (6.31%) HPCC
6 3 (2.70%) NoSQL
7 1 (0.90%) Azure SQL Database
7 1 (0.90%) RDBMS
7 1 (0.90%) SQL Server 2012
7 1 (0.90%) SQL Server Reporting Services
Development Applications
1 18 (16.22%) Jenkins
2 15 (13.51%) Selenium
3 13 (11.71%) Visual Studio
4 11 (9.91%) Cucumber
5 10 (9.01%) Git (software)
6 9 (8.11%) Team Foundation Server
7 8 (7.21%) SoapUI
7 8 (7.21%) WebDriver
8 7 (6.31%) JIRA
9 6 (5.41%) Mercurial
9 6 (5.41%) TeamCity
10 3 (2.70%) NCrunch
10 3 (2.70%) ReSharper
11 2 (1.80%) Eclipse
11 2 (1.80%) FitNesse
11 2 (1.80%) MbUnit
11 2 (1.80%) MSTest
11 2 (1.80%) NUnit
11 2 (1.80%) SpecFlow
11 2 (1.80%) Visual Studio Team System
General
1 20 (18.02%) Finance
2 10 (9.01%) Publishing
3 4 (3.60%) Games
4 3 (2.70%) Banking
5 1 (0.90%) Back Office
5 1 (0.90%) Marketing
Job Titles
1 80 (72.07%) Developer
2 47 (42.34%) PHP Developer
3 27 (24.32%) Software Engineer
4 23 (20.72%) PHP Software Engineer
5 21 (18.92%) Agile Developer
6 20 (18.02%) Developer/Software Engineer
6 20 (18.02%) PHP Zend Developer
7 16 (14.41%) .NET Developer
8 11 (9.91%) C# Developer
8 11 (9.91%) Test Engineer
9 10 (9.01%) Software Developer
10 8 (7.21%) Scrum Master
10 8 (7.21%) Test Automation Engineer
11 7 (6.31%) C# .NET Developer
12 6 (5.41%) Java Developer
13 5 (4.50%) Developer in Test
14 4 (3.60%) .NET Software Engineer
14 4 (3.60%) ASP.NET Developer
14 4 (3.60%) C# ASP.NET Developer
14 4 (3.60%) Senior Developer
Libraries, Frameworks & Software Standards
1 48 (43.24%) Web Services
2 27 (24.32%) .NET
3 16 (14.41%) .NET Framework
3 16 (14.41%) REST
4 15 (13.51%) Laravel
5 14 (12.61%) ASP.NET
6 12 (10.81%) AngularJS
6 12 (10.81%) SOAP
7 10 (9.01%) Entity Framework
7 10 (9.01%) HTML
8 8 (7.21%) jQuery
8 8 (7.21%) React
8 8 (7.21%) RESTful
9 7 (6.31%) ASP.NET Web API
9 7 (6.31%) CSS
9 7 (6.31%) WCF
10 6 (5.41%) ASP.NET MVC
10 6 (5.41%) JSON
10 6 (5.41%) Symfony
11 5 (4.50%) XML
Miscellaneous
1 11 (9.91%) Greenfield Project
2 2 (1.80%) Cloud Native
2 2 (1.80%) Fintech
2 2 (1.80%) Linux Command Line
2 2 (1.80%) User Experience
3 1 (0.90%) Analytical Skills
3 1 (0.90%) Mobile App
Operating Systems
1 3 (2.70%) Linux
1 3 (2.70%) Unix
2 1 (0.90%) Android
Processes & Methodologies
1 92 (82.88%) Agile Software Development
2 82 (73.87%) Scrum
3 76 (68.47%) Test Automation
4 51 (45.95%) Software Engineering
5 50 (45.05%) SOA
6 49 (44.14%) Kanban
7 47 (42.34%) Project Management
8 36 (32.43%) Continuous Integration
9 35 (31.53%) BDD
10 33 (29.73%) Customer-Centric Approach
10 33 (29.73%) Customer-Centricity
11 16 (14.41%) MVC
12 14 (12.61%) Unit Testing
13 13 (11.71%) DevOps
14 12 (10.81%) OO
15 11 (9.91%) ATDD
16 10 (9.01%) Microservices
16 10 (9.01%) Performance Testing
17 9 (8.11%) Continuous Delivery
18 8 (7.21%) API Testing
Programming Languages
1 50 (45.05%) PHP
2 27 (24.32%) C#
3 17 (15.32%) Java
4 12 (10.81%) JavaScript
4 12 (10.81%) SQL
5 10 (9.01%) Ruby
6 8 (7.21%) Groovy
7 7 (6.31%) TypeScript
8 3 (2.70%) Java 8
9 2 (1.80%) Bash Shell
9 2 (1.80%) Perl
10 1 (0.90%) C++
10 1 (0.90%) Java 9
10 1 (0.90%) Python
Qualifications
1 5 (4.50%) Security Cleared
2 3 (2.70%) BPSS Clearance
3 2 (1.80%) ISEB
3 2 (1.80%) ISTQB Foundation Certification
4 1 (0.90%) DBS Check
4 1 (0.90%) SC Cleared
Quality Assurance & Compliance
1 3 (2.70%) SLA
2 2 (1.80%) Disclosure Scotland
System Software
1 11 (9.91%) Docker
Systems Management
1 2 (1.80%) Kubernetes
2 1 (0.90%) Ansible
2 1 (0.90%) Puppet
2 1 (0.90%) Terraform
Vendors
1 37 (33.33%) Zend
2 8 (7.21%) Microsoft
3 3 (2.70%) Sitecore
4 2 (1.80%) Google
4 2 (1.80%) MuleSoft