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 3 months to 25 June 2017 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
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 46 18 19
Rank change year-on-year -28 +1  
Contract jobs citing TDD 16 43 77
As % of all contract IT jobs advertised in Wales 2.60% 7.80% 8.92%
As % of the Processes & Methodologies category 3.02% 10.00% 10.77%
Number of daily rates quoted 13 37 67
Median daily rate £365 £400 £400
Median daily rate % change year-on-year -8.75% -  
90% offered a daily rate of more than £350 £290 £325
10% offered a daily rate of more than £525 £525 £463
UK excluding London median daily rate £420 £413 £375
% change year-on-year +1.81% +10.00%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £41.50 £40.00 £43.75
% change year-on-year +3.75% -8.57%  

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

Contract Process & Methodology Skills
Wales
Contract job vacancies with a requirement for process and methodology skills 529 430 715
As % of all contract IT job vacancies advertised in Wales 85.88% 78.04% 82.85%
Number of daily rates quoted 369 302 491
Median daily rate £380 £400 £361
Median daily rate % change year-on-year -5.00% +10.95%  
90% offered a daily rate of more than £288 £276 £270
10% offered a daily rate of more than £525 £540 £463
UK excluding London median daily rate £415 £400 £380
% change year-on-year +3.75% +5.26%  
Number of hourly rates quoted 42 21 28
Median hourly rate £36.50 £35.00 £14.88
Median hourly rate % change year-on-year +4.28% +135.29%  
90% offered a hourly rate of more than £13.00 £10.88 £12.48
10% offered a hourly rate of more than £60.00 £72.50 £21.75
UK excluding London median hourly rate £34.00 £28.50 £30.00
% change year-on-year +19.29% -5.00%  

TDD
Job Vacancy Trend in Wales

The job posting trend of jobs advertised in Wales citing TDD as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

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 3 months to 25 June 2017.

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 3 months to 25 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
South Wales -24 14 £388 -3.12% 2
West Wales -4 2 £350 -22.22% 2
TDD
UK

For the 6 months to 25 June 2017, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Wales region with a requirement for TDD.

1 34 (82.93%) Agile Software Development
2 22 (53.66%) BDD
3 20 (48.78%) Java
4 15 (36.59%) Scrum
5 12 (29.27%) JavaScript
6 10 (24.39%) Python
6 10 (24.39%) RESTful
7 9 (21.95%) OO
7 9 (21.95%) HTML
7 9 (21.95%) CSS
7 9 (21.95%) AngularJS
8 8 (19.51%) Test Automation
8 8 (19.51%) Kanban
8 8 (19.51%) NoSQL
9 7 (17.07%) Unit Testing
9 7 (17.07%) Software Engineering
9 7 (17.07%) Jenkins
10 6 (14.63%) CSS3
10 6 (14.63%) DevOps
10 6 (14.63%) Analytical Skills
10 6 (14.63%) HTML5
10 6 (14.63%) Hadoop
11 5 (12.20%) Open Source
11 5 (12.20%) Continuous Integration
11 5 (12.20%) PHP
11 5 (12.20%) Oracle
11 5 (12.20%) Apache Spark
11 5 (12.20%) Big Data
11 5 (12.20%) Greenfield Project
12 4 (9.76%) Cloudera

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 (12.20%) Apache Spark
2 4 (9.76%) Elasticsearch
3 1 (2.44%) Apache
3 1 (2.44%) Apache Airflow
3 1 (2.44%) Confluence
Applications
1 1 (2.44%) Photoshop
Cloud Services
1 3 (7.32%) GitHub
1 3 (7.32%) PaaS
2 2 (4.88%) Amazon AWS
3 1 (2.44%) Microsoft Azure
Database & Business Intelligence
1 8 (19.51%) NoSQL
2 6 (14.63%) Hadoop
3 5 (12.20%) Big Data
4 4 (9.76%) MongoDB
4 4 (9.76%) Relational Database
5 3 (7.32%) Apache Cassandra
5 3 (7.32%) MySQL
6 1 (2.44%) Apache Hive
6 1 (2.44%) Couchbase
6 1 (2.44%) HBase
6 1 (2.44%) Oracle Database
6 1 (2.44%) SQL Server
6 1 (2.44%) SQL Server 2008
6 1 (2.44%) SQL Server 2012
Development Applications
1 7 (17.07%) Jenkins
2 3 (7.32%) Cucumber
2 3 (7.32%) Git (software)
3 2 (4.88%) Android Studio
3 2 (4.88%) Jasmine
3 2 (4.88%) Selenium
4 1 (2.44%) Atlassian Bamboo
4 1 (2.44%) Babel
4 1 (2.44%) gulp
4 1 (2.44%) JIRA
4 1 (2.44%) MbUnit
4 1 (2.44%) Mercurial
4 1 (2.44%) Mocha
4 1 (2.44%) MSTest
4 1 (2.44%) Protractor
4 1 (2.44%) SpecFlow
4 1 (2.44%) TeamCity
4 1 (2.44%) Visual Studio
4 1 (2.44%) WebDriver
4 1 (2.44%) webpack
General
1 2 (4.88%) Banking
2 1 (2.44%) Finance
2 1 (2.44%) Investment Banking
2 1 (2.44%) Legal
2 1 (2.44%) Marketing
Job Titles
1 29 (70.73%) Developer
2 8 (19.51%) Java Developer
3 5 (12.20%) Java Engineer
3 5 (12.20%) Senior Developer
4 4 (9.76%) Agile Developer
4 4 (9.76%) Agile Java Developer
4 4 (9.76%) Front End Developer (Client-Side Developer)
4 4 (9.76%) PHP Developer
4 4 (9.76%) Scala Developer
5 3 (7.32%) Android Developer
5 3 (7.32%) Architect
5 3 (7.32%) Java Software Engineer
5 3 (7.32%) Senior Java Developer
5 3 (7.32%) Software Engineer
5 3 (7.32%) Technical Architect
6 2 (4.88%) .NET Developer
6 2 (4.88%) Java Architect
6 2 (4.88%) Java Technical Architect
6 2 (4.88%) Python Developer
6 2 (4.88%) Senior Front-End Developer
Libraries, Frameworks & Software Standards
1 10 (24.39%) RESTful
2 9 (21.95%) AngularJS
2 9 (21.95%) CSS
2 9 (21.95%) HTML
3 6 (14.63%) CSS3
3 6 (14.63%) HTML5
4 4 (9.76%) Kafka
4 4 (9.76%) Node.js
4 4 (9.76%) REST
4 4 (9.76%) Web Services
5 3 (7.32%) Gherkin
5 3 (7.32%) JSON
5 3 (7.32%) KnockoutJS
5 3 (7.32%) RabbitMQ
5 3 (7.32%) Swagger
6 2 (4.88%) .NET
6 2 (4.88%) J2EE
6 2 (4.88%) jQuery
6 2 (4.88%) React
6 2 (4.88%) Symfony
Miscellaneous
1 6 (14.63%) Analytical Skills
2 5 (12.20%) Greenfield Project
3 4 (9.76%) Algorithms
4 1 (2.44%) Computer Science
4 1 (2.44%) Cyberthreat
4 1 (2.44%) Enterprise Software
4 1 (2.44%) User Experience
4 1 (2.44%) W3C
Operating Systems
1 3 (7.32%) Android
2 1 (2.44%) Apple iOS
2 1 (2.44%) Linux
Processes & Methodologies
1 34 (82.93%) Agile Software Development
2 22 (53.66%) BDD
3 15 (36.59%) Scrum
4 9 (21.95%) OO
5 8 (19.51%) Kanban
5 8 (19.51%) Test Automation
6 7 (17.07%) Software Engineering
6 7 (17.07%) Unit Testing
7 6 (14.63%) DevOps
8 5 (12.20%) Continuous Integration
8 5 (12.20%) Open Source
9 4 (9.76%) Analytics
9 4 (9.76%) Business Analytics
9 4 (9.76%) Business Intelligence
9 4 (9.76%) Front End Development
9 4 (9.76%) Mentoring
9 4 (9.76%) Microservices
9 4 (9.76%) Mobile First
10 3 (7.32%) SDLC
10 3 (7.32%) Service Design
Programming Languages
1 20 (48.78%) Java
2 12 (29.27%) JavaScript
3 10 (24.39%) Python
4 5 (12.20%) PHP
5 3 (7.32%) SQL
6 2 (4.88%) Scala
7 1 (2.44%) Apple Swift
7 1 (2.44%) C#
7 1 (2.44%) Objective-C
7 1 (2.44%) TypeScript
Qualifications
1 1 (2.44%) SC Cleared
1 1 (2.44%) Security Cleared
Quality Assurance & Compliance
1 1 (2.44%) QA
1 1 (2.44%) WAI
1 1 (2.44%) WCAG
System Software
1 1 (2.44%) Docker
Vendors
1 5 (12.20%) Oracle
2 4 (9.76%) Cloudera
2 4 (9.76%) SAP
2 4 (9.76%) Teradata
3 2 (4.88%) Zend
4 1 (2.44%) Apple
4 1 (2.44%) CA Agile Central
Cardiff, South Glamorgan
TEKsystems
Posted: 5 days ago