The table below looks at the statistics for TDD skills in IT contracts advertised for the South Wales region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 3 December 2016 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
3 Dec 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 12 12 26
Rank change year-on-year
0 +14
Contract jobs citing TDD 73 91 45
As % of all contract IT jobs located in South Wales 11.51% 15.14% 8.06%
As % of the Processes & Methodologies category 13.80% 18.92% 9.93%
Number of daily rates quoted 55 79 30
Median daily rate £500 £335 £350
Median daily rate % change year-on-year
+49.25% -4.28%
90% offered a daily rate of more than £375 £300 £300
10% offered a daily rate of more than £550 £475 £550
UK excluding London median daily rate £425 £388 £375
% change year-on-year
+9.67% +3.33%
Number of hourly rates quoted 0 1 0
Median hourly rate - £21.00 -
UK excluding London median hourly rate £42.50 £36.98 £39.00
% change year-on-year
+14.94% -5.19%
TDD
Wales

The following table is for comparison with the above and provides statistics for the entire Processes & Methodologies category in contract jobs advertised in the South Wales region.

Processes & Methodologies Category
South Wales
Contract IT job ads with a match in the
Processes & Methodologies category
529 481 453
As % of all contract IT jobs located in South Wales 83.44% 80.03% 81.18%
Number of daily rates quoted 396 384 328
Median daily rate £425 £350 £350
Median daily rate % change year-on-year
+21.42% -
90% offered a daily rate of more than £300 £300 £250
10% offered a daily rate of more than £550 £450 £475
UK excluding London median daily rate £413 £400 £385
% change year-on-year
+3.12% +3.89%
Number of hourly rates quoted 21 14 10
Median hourly rate £46.00 £21.00 £22.50
Median hourly rate % change year-on-year
+119.04% -6.66%
90% offered a hourly rate of more than £16.22 £10.85 £11.00
10% offered a hourly rate of more than £60.00 £36.26 £40.00
UK excluding London median hourly rate £31.00 £34.95 £25.00
% change year-on-year
-11.30% +39.80%

TDD
Jobs Demand Trend in South Wales

The demand trend of contract jobs across the South Wales region citing TDD as a proportion of all IT contracts with a match in the Processes & Methodologies category.

TDD Jobs Demand Trend in South Wales

TDD
Daily Rate Trend in South Wales

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

TDD Daily Rate Trend in South Wales

TDD
Daily Rate Histogram in South Wales

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the South Wales region over the 3 months to 3 December 2016.

TDD Daily Rate Histogram in South Wales

TDD
Hourly Rate Trend in South Wales

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

TDD Hourly Rate Trend in South Wales

TDD
Contract Job Locations in South 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 South Wales region over the 3 months to 3 December 2016. 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
(Click see detailed
statistics and trends)
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
Newport +12 40 £500 +5.26% 3
Cardiff -7 23 £500 +53.84% 3
TDD
Wales

TDD
Top 30 Related IT Skills in South Wales

For the 6 months to 3 December 2016, 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 South Wales region with a requirement for TDD.

1 105 (80.77%) Agile Software Development
2 87 (66.92%) BDD
3 75 (57.69%) Java
4 56 (43.08%) Scrum
5 37 (28.46%) Kanban
6 36 (27.69%) Continuous Integration
7 30 (23.08%) Relational Database
8 29 (22.31%) DevOps
8 29 (22.31%) Web Development
9 26 (20.00%) JSON
9 26 (20.00%) OWASP
9 26 (20.00%) HTML
9 26 (20.00%) Scala
10 25 (19.23%) CSS
10 25 (19.23%) HTTP
11 23 (17.69%) Test Automation
11 23 (17.69%) Software Engineering
11 23 (17.69%) Jenkins
11 23 (17.69%) Secure Coding
12 22 (16.92%) NoSQL
12 22 (16.92%) Selenium
13 21 (16.15%) JavaScript
13 21 (16.15%) REST
13 21 (16.15%) RESTful
14 20 (15.38%) AngularJS
15 19 (14.62%) Open Source
16 18 (13.85%) Amazon AWS
16 18 (13.85%) Git (software)
17 17 (13.08%) C#
17 17 (13.08%) PaaS

TDD
Top Related IT Skills in South 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 14 (10.77%) Elasticsearch
2 5 (3.85%) Cloud Foundry
3 3 (2.31%) Confluence
4 2 (1.54%) Apache Spark
5 1 (0.77%) Apache Pig
5 1 (0.77%) WebLogic
Applications
1 1 (0.77%) Photoshop
Business Applications
1 6 (4.62%) SAP Oil and Gas
2 1 (0.77%) Dynamics CRM
Cloud Services
1 18 (13.85%) Amazon AWS
2 17 (13.08%) PaaS
3 13 (10.00%) Microsoft Azure
4 5 (3.85%) SaaS
5 3 (2.31%) Cloud Computing
Communications & Networking
1 25 (19.23%) HTTP
2 1 (0.77%) Kerberos
Database & Business Intelligence
1 30 (23.08%) Relational Database
2 22 (16.92%) NoSQL
3 16 (12.31%) MongoDB
4 12 (9.23%) SQL Server
5 11 (8.46%) Couchbase
5 11 (8.46%) SQL Server 2008
5 11 (8.46%) SQL Server 2012
6 9 (6.92%) Big Data
6 9 (6.92%) Hadoop
7 8 (6.15%) Apache Cassandra
8 3 (2.31%) Neo4j
9 2 (1.54%) Oracle Database
10 1 (0.77%) Apache Hive
10 1 (0.77%) HBase
10 1 (0.77%) MySQL
Development Applications
1 23 (17.69%) Jenkins
2 22 (16.92%) Selenium
3 18 (13.85%) Git (software)
4 16 (12.31%) Cucumber
5 15 (11.54%) SpecFlow
6 11 (8.46%) Mercurial
6 11 (8.46%) Visual Studio
7 10 (7.69%) NUnit
8 6 (4.62%) JIRA
8 6 (4.62%) MbUnit
8 6 (4.62%) MSTest
8 6 (4.62%) Subversion
8 6 (4.62%) TeamCity
9 5 (3.85%) Bazaar
10 4 (3.08%) WebDriver
11 3 (2.31%) Jasmine
11 3 (2.31%) JUnit
11 3 (2.31%) Mocha
11 3 (2.31%) SoapUI
12 2 (1.54%) Maven
General
1 10 (7.69%) Publishing
2 9 (6.92%) Finance
3 7 (5.38%) Marketing
4 6 (4.62%) Electronics
4 6 (4.62%) Manufacturing
4 6 (4.62%) Telecoms
5 1 (0.77%) Welsh Language
Job Titles
1 88 (67.69%) Developer
2 45 (34.62%) Java Developer
3 15 (11.54%) .NET Developer
3 15 (11.54%) Agile Developer
3 15 (11.54%) Agile Java Developer
3 15 (11.54%) Senior Developer
4 14 (10.77%) Senior Java Developer
5 11 (8.46%) Scala Developer
6 10 (7.69%) Analyst
6 10 (7.69%) Architect
6 10 (7.69%) QA Analyst
7 7 (5.38%) Software Engineer
8 6 (4.62%) Front End Developer (Client-Side Developer)
9 5 (3.85%) ASP.NET MVC Developer
9 5 (3.85%) DevOps Engineer
9 5 (3.85%) Elasticsearch Developer
9 5 (3.85%) Java Engineer
9 5 (3.85%) Quality Analyst
9 5 (3.85%) Technical Architect
10 4 (3.08%) QA Test Analyst
Libraries, Frameworks & Software Standards
1 26 (20.00%) HTML
1 26 (20.00%) JSON
2 25 (19.23%) CSS
3 21 (16.15%) REST
3 21 (16.15%) RESTful
4 20 (15.38%) AngularJS
5 16 (12.31%) .NET
5 16 (12.31%) ASP.NET Web API
6 14 (10.77%) CSS3
6 14 (10.77%) HTML5
6 14 (10.77%) jQuery
7 12 (9.23%) ASP.NET
7 12 (9.23%) KnockoutJS
8 11 (8.46%) WCF
8 11 (8.46%) Web Services
9 6 (4.62%) ASP.NET MVC
9 6 (4.62%) Gherkin
10 5 (3.85%) Kafka
10 5 (3.85%) Node.js
10 5 (3.85%) Spring
Miscellaneous
1 4 (3.08%) User Experience
2 3 (2.31%) Enterprise Software
2 3 (2.31%) Public Cloud
2 3 (2.31%) Visualisation
3 2 (1.54%) Virtual Team
4 1 (0.77%) Fintech
4 1 (0.77%) W3C
Operating Systems
1 8 (6.15%) Linux
2 2 (1.54%) Mac OS
3 1 (0.77%) Unix
Processes & Methodologies
1 105 (80.77%) Agile Software Development
2 87 (66.92%) BDD
3 56 (43.08%) Scrum
4 37 (28.46%) Kanban
5 36 (27.69%) Continuous Integration
6 29 (22.31%) DevOps
6 29 (22.31%) Web Development
7 26 (20.00%) OWASP
8 23 (17.69%) Secure Coding
8 23 (17.69%) Software Engineering
8 23 (17.69%) Test Automation
9 19 (14.62%) Open Source
10 15 (11.54%) Unit Testing
11 14 (10.77%) High Availability
12 13 (10.00%) Automated Testing
12 13 (10.00%) MVC
12 13 (10.00%) Performance Testing
13 12 (9.23%) OO
14 11 (8.46%) Low Latency
14 11 (8.46%) User Stories
Programming Languages
1 75 (57.69%) Java
2 26 (20.00%) Scala
3 21 (16.15%) JavaScript
4 17 (13.08%) C#
5 16 (12.31%) Python
6 11 (8.46%) TypeScript
7 7 (5.38%) Go
8 5 (3.85%) Ruby
9 4 (3.08%) SQL
10 2 (1.54%) Shell Script
11 1 (0.77%) PHP
11 1 (0.77%) R
Qualifications
1 10 (7.69%) Security Cleared
2 6 (4.62%) SC Cleared
Quality Assurance & Compliance
1 13 (10.00%) QA
2 3 (2.31%) Disclosure Scotland
3 1 (0.77%) WAI
3 1 (0.77%) WCAG
System Software
1 9 (6.92%) Docker
2 1 (0.77%) HDFS
2 1 (0.77%) vCloud
Systems Management
1 7 (5.38%) Ansible
2 1 (0.77%) Opscode Chef
2 1 (0.77%) Puppet
Vendors
1 6 (4.62%) Oracle
1 6 (4.62%) SAP
2 3 (2.31%) Cloudera
2 3 (2.31%) HP
3 1 (0.77%) Google
3 1 (0.77%) Hortonworks
3 1 (0.77%) Microsoft