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 March 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.

3 months to
25 Mar 2017
Same period 2016 Same period 2015
Test-Driven Development (TDD)
UK / Wales
Rank 43 14 47
Rank change year-on-year -29 +33  
Contract jobs citing TDD 25 100 19
As % of all contract IT jobs advertised in Wales 3.55% 14.73% 2.62%
As % of the Processes & Methodologies category 4.31% 17.33% 3.47%
Number of daily rates quoted 15 75 14
Median daily rate £450 £375 £381
Median daily rate % change year-on-year +20.00% -1.63%  
90% offered a daily rate of more than £350 £325 £315
10% offered a daily rate of more than £525 £474 £450
UK excluding London median daily rate £405 £400 £375
% change year-on-year +1.25% +6.66%  
Number of hourly rates quoted 0 5 1
Median hourly rate - £47.00 £32.50
Median hourly rate % change year-on-year - +44.61%  
UK excluding London median hourly rate £39.00 £45.75 £36.00
% change year-on-year -14.75% +27.08%  

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 580 577 547
As % of all contract IT job vacancies advertised in Wales 82.27% 84.98% 75.55%
Number of daily rates quoted 425 394 304
Median daily rate £393 £375 £375
Median daily rate % change year-on-year +4.66% -  
90% offered a daily rate of more than £186 £275 £260
10% offered a daily rate of more than £525 £475 £500
UK excluding London median daily rate £410 £400 £400
% change year-on-year +2.50% +0.06%  
Number of hourly rates quoted 39 29 22
Median hourly rate £35.00 £29.00 £18.90
Median hourly rate % change year-on-year +20.68% +53.43%  
90% offered a hourly rate of more than £14.88 £13.00 £11.55
10% offered a hourly rate of more than £55.00 £66.00 £34.50
UK excluding London median hourly rate £36.00 £38.75 £30.00
% change year-on-year -7.09% +29.16%  

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 March 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 hourly rates quoted in IT contractor 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 March 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 -18 25 £450 +20.00% 9
TDD
UK

TDD
Top 30 Related IT Skills in Wales

For the 6 months to 25 March 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 90 (90.00%) Agile Software Development
2 66 (66.00%) Java
3 58 (58.00%) BDD
4 54 (54.00%) Scrum
5 34 (34.00%) Kanban
6 26 (26.00%) DevOps
7 25 (25.00%) Software Engineering
8 22 (22.00%) HTML
8 22 (22.00%) Relational Database
9 21 (21.00%) CSS
9 21 (21.00%) RESTful
10 20 (20.00%) OO
11 19 (19.00%) JavaScript
11 19 (19.00%) Scala
12 18 (18.00%) Python
13 17 (17.00%) Open Source
13 17 (17.00%) Web Development
13 17 (17.00%) JSON
13 17 (17.00%) AngularJS
13 17 (17.00%) NoSQL
14 16 (16.00%) REST
14 16 (16.00%) Elasticsearch
14 16 (16.00%) Secure Coding
14 16 (16.00%) OWASP
15 15 (15.00%) HTTP
15 15 (15.00%) Low Latency
16 14 (14.00%) Jenkins
16 14 (14.00%) Node.js
16 14 (14.00%) Web Services
17 12 (12.00%) CSS3

TDD
Top Related 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 16 (16.00%) Elasticsearch
2 6 (6.00%) Apache Spark
3 3 (3.00%) Adobe Experience Manager
3 3 (3.00%) Cloud Foundry
4 2 (2.00%) Confluence
4 2 (2.00%) WebLogic
5 1 (1.00%) Apache Airflow
5 1 (1.00%) Apache Pig
Applications
1 2 (2.00%) Photoshop
Business Applications
1 3 (3.00%) SAP Oil and Gas
Cloud Services
1 9 (9.00%) PaaS
2 7 (7.00%) Amazon AWS
3 3 (3.00%) Microsoft Azure
4 1 (1.00%) SaaS
Communications & Networking
1 15 (15.00%) HTTP
2 1 (1.00%) Kerberos
Database & Business Intelligence
1 22 (22.00%) Relational Database
2 17 (17.00%) NoSQL
3 11 (11.00%) Big Data
3 11 (11.00%) MongoDB
4 9 (9.00%) Hadoop
5 8 (8.00%) Apache Cassandra
6 3 (3.00%) Geospatial Data
6 3 (3.00%) MySQL
6 3 (3.00%) Neo4j
7 2 (2.00%) Apache Hive
7 2 (2.00%) Couchbase
7 2 (2.00%) Oracle Database
7 2 (2.00%) SQL Server
7 2 (2.00%) SQL Server 2008
7 2 (2.00%) SQL Server 2012
8 1 (1.00%) HBase
Development Applications
1 14 (14.00%) Jenkins
2 9 (9.00%) Git (software)
3 6 (6.00%) Cucumber
4 5 (5.00%) JUnit
4 5 (5.00%) NUnit
4 5 (5.00%) Selenium
5 4 (4.00%) gulp
5 4 (4.00%) Protractor
6 3 (3.00%) Grunt
6 3 (3.00%) Jasmine
7 2 (2.00%) DbUnit
7 2 (2.00%) JBehave
7 2 (2.00%) JIRA
7 2 (2.00%) jMock
7 2 (2.00%) Maven
7 2 (2.00%) Mockito
7 2 (2.00%) SonarQube
7 2 (2.00%) Subversion
7 2 (2.00%) Visual Studio
8 1 (1.00%) Atlassian Bamboo
General
1 7 (7.00%) Finance
2 5 (5.00%) Marketing
3 3 (3.00%) Electronics
3 3 (3.00%) Manufacturing
3 3 (3.00%) Telecoms
4 2 (2.00%) Banking
5 1 (1.00%) Investment Banking
5 1 (1.00%) Legal
Job Titles
1 83 (83.00%) Developer
2 41 (41.00%) Java Developer
3 20 (20.00%) Agile Developer
4 19 (19.00%) Agile Java Developer
5 15 (15.00%) Senior Developer
6 14 (14.00%) Senior Java Developer
7 13 (13.00%) Scala Developer
8 9 (9.00%) Front End Developer (Client-Side Developer)
8 9 (9.00%) Software Engineer
9 6 (6.00%) .NET Developer
9 6 (6.00%) Elasticsearch Developer
9 6 (6.00%) Java Engineer
10 5 (5.00%) Angular Developer
11 4 (4.00%) Full Stack Developer
11 4 (4.00%) Java Scala Developer
11 4 (4.00%) Java Software Engineer
11 4 (4.00%) Senior Scala Developer
12 3 (3.00%) Architect
12 3 (3.00%) DevOps Engineer
12 3 (3.00%) PHP Developer
Libraries, Frameworks & Software Standards
1 22 (22.00%) HTML
2 21 (21.00%) CSS
2 21 (21.00%) RESTful
3 17 (17.00%) AngularJS
3 17 (17.00%) JSON
4 16 (16.00%) REST
5 14 (14.00%) Node.js
5 14 (14.00%) Web Services
6 12 (12.00%) CSS3
6 12 (12.00%) HTML5
7 9 (9.00%) jQuery
8 7 (7.00%) .NET
9 6 (6.00%) ASP.NET Web API
10 5 (5.00%) KnockoutJS
11 4 (4.00%) J2EE
11 4 (4.00%) NHibernate
11 4 (4.00%) Twitter Bootstrap
12 3 (3.00%) SOAP
12 3 (3.00%) Spring
12 3 (3.00%) XML
Miscellaneous
1 6 (6.00%) Analytical Skills
2 4 (4.00%) Algorithms
3 3 (3.00%) User Experience
4 2 (2.00%) W3C
5 1 (1.00%) Blog
5 1 (1.00%) Enterprise Software
5 1 (1.00%) Fintech
Operating Systems
1 7 (7.00%) Linux
2 3 (3.00%) Mac OS
3 1 (1.00%) Unix
Processes & Methodologies
1 90 (90.00%) Agile Software Development
2 58 (58.00%) BDD
3 54 (54.00%) Scrum
4 34 (34.00%) Kanban
5 26 (26.00%) DevOps
6 25 (25.00%) Software Engineering
7 20 (20.00%) OO
8 17 (17.00%) Open Source
8 17 (17.00%) Web Development
9 16 (16.00%) OWASP
9 16 (16.00%) Secure Coding
10 15 (15.00%) Low Latency
11 11 (11.00%) Continuous Integration
12 10 (10.00%) Front End Development
13 9 (9.00%) API Design
13 9 (9.00%) Automated Testing
13 9 (9.00%) High Availability
14 8 (8.00%) API Development
15 7 (7.00%) Continuous Delivery
15 7 (7.00%) Microservices
Programming Languages
1 66 (66.00%) Java
2 19 (19.00%) JavaScript
2 19 (19.00%) Scala
3 18 (18.00%) Python
4 8 (8.00%) Go
5 7 (7.00%) Ruby
6 6 (6.00%) C#
7 4 (4.00%) SQL
8 3 (3.00%) PHP
9 2 (2.00%) TypeScript
Qualifications
1 9 (9.00%) Security Cleared
2 4 (4.00%) SC Cleared
Quality Assurance & Compliance
1 3 (3.00%) QA
2 2 (2.00%) WAI
2 2 (2.00%) WCAG
System Software
1 4 (4.00%) Docker
2 1 (1.00%) HDFS
2 1 (1.00%) vCloud
Systems Management
1 1 (1.00%) Opscode Chef
1 1 (1.00%) Puppet
Vendors
1 7 (7.00%) Oracle
1 7 (7.00%) SAP
2 5 (5.00%) Cloudera
3 4 (4.00%) Teradata
4 2 (2.00%) Zend
5 1 (1.00%) CA Agile Central
5 1 (1.00%) Hortonworks
5 1 (1.00%) HP
Swansea, West Glamorgan
Talent International
Rate: £300 - £400 per day
Posted: 2 days ago
Wales
SidTech Limited
Posted: 4 days ago