The table below looks at the statistics for TDD skills in IT contracts advertised for the Wales region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 9 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
9 Dec 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 19 14 21
Rank change year-on-year
-5 +7
Contract jobs citing TDD 79 88 71
As % of all contract IT jobs located in Wales 9.83% 12.75% 9.83%
As % of the Processes & Methodologies category 11.69% 15.97% 12.14%
Number of daily rates quoted 59 76 35
Median daily rate £488 £350 £350
Median daily rate % change year-on-year
+39.28% -
90% offered a daily rate of more than £340 £310 £271
10% offered a daily rate of more than £550 £478 £550
UK excluding London median daily rate £425 £400 £375
% change year-on-year
+6.25% +6.66%
Number of hourly rates quoted 0 1 0
Median hourly rate - £21.00 -
UK excluding London median hourly rate £39.76 £36.50 £39.00
% change year-on-year
+8.93% -6.41%
TDD
UK

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

Processes & Methodologies Category
Wales
Contract IT job ads with a match in the
Processes & Methodologies category
676 551 585
As % of all contract IT jobs located in Wales 84.08% 79.86% 81.02%
Number of daily rates quoted 496 429 374
Median daily rate £433 £350 £350
Median daily rate % change year-on-year
+23.57% -
90% offered a daily rate of more than £300 £300 £238
10% offered a daily rate of more than £575 £450 £475
UK excluding London median daily rate £413 £400 £385
% change year-on-year
+3.12% +3.89%
Number of hourly rates quoted 24 17 11
Median hourly rate £32.50 £20.48 £22.50
Median hourly rate % change year-on-year
+58.69% -8.97%
90% offered a hourly rate of more than £17.68 £11.00 £11.50
10% offered a hourly rate of more than £59.25 £52.03 £25.00
UK excluding London median hourly rate £30.25 £34.00 £25.00
% change year-on-year
-11.02% +36.00%

TDD
Jobs Demand Trend in Wales

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

TDD Jobs Demand Trend in Wales

TDD
Daily Rate Trend in Wales

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

TDD Daily Rate Trend in Wales

TDD
Daily Rate Histogram in Wales

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the Wales region over the 3 months to 9 December 2016.

TDD Daily Rate Histogram in Wales

TDD
Hourly Rate Trend in Wales

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

TDD Hourly Rate Trend 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 9 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
South Wales 0 69 £488 +39.28% 6
North Wales - 3 £340 - 2
West Wales - 2 £538 - 1
TDD
UK

TDD
Top 30 Related IT Skills in Wales

For the 6 months to 9 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 Wales region with a requirement for TDD.

1 127 (82.47%) Agile Software Development
2 100 (64.94%) BDD
3 82 (53.25%) Java
4 73 (47.40%) Scrum
5 44 (28.57%) Kanban
6 36 (23.38%) Continuous Integration
6 36 (23.38%) DevOps
7 32 (20.78%) Relational Database
8 31 (20.13%) Web Development
9 30 (19.48%) Software Engineering
10 29 (18.83%) OWASP
10 29 (18.83%) HTML
11 28 (18.18%) CSS
11 28 (18.18%) JSON
12 27 (17.53%) HTTP
12 27 (17.53%) Scala
13 26 (16.88%) Jenkins
13 26 (16.88%) Secure Coding
14 25 (16.23%) RESTful
14 25 (16.23%) REST
14 25 (16.23%) JavaScript
15 24 (15.58%) Security Cleared
16 23 (14.94%) Test Automation
16 23 (14.94%) AngularJS
17 22 (14.29%) PaaS
17 22 (14.29%) Selenium
18 21 (13.64%) Open Source
18 21 (13.64%) NoSQL
19 20 (12.99%) Git (software)
20 19 (12.34%) Amazon AWS

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 (10.39%) Elasticsearch
2 5 (3.25%) Cloud Foundry
3 3 (1.95%) Adobe Experience Manager
3 3 (1.95%) Confluence
4 2 (1.30%) Apache Spark
5 1 (0.65%) Apache Pig
5 1 (0.65%) WebLogic
Applications
1 1 (0.65%) Photoshop
Business Applications
1 6 (3.90%) SAP Oil and Gas
2 1 (0.65%) Dynamics CRM
Cloud Services
1 22 (14.29%) PaaS
2 19 (12.34%) Amazon AWS
3 13 (8.44%) Microsoft Azure
4 8 (5.19%) SaaS
5 3 (1.95%) Cloud Computing
Communications & Networking
1 27 (17.53%) HTTP
2 1 (0.65%) Kerberos
Database & Business Intelligence
1 32 (20.78%) Relational Database
2 21 (13.64%) NoSQL
3 16 (10.39%) MongoDB
4 11 (7.14%) SQL Server
5 10 (6.49%) Couchbase
5 10 (6.49%) SQL Server 2008
5 10 (6.49%) SQL Server 2012
6 9 (5.84%) Big Data
6 9 (5.84%) Hadoop
7 8 (5.19%) Apache Cassandra
8 3 (1.95%) Neo4j
9 2 (1.30%) Oracle Database
10 1 (0.65%) Apache Hive
10 1 (0.65%) HBase
10 1 (0.65%) MySQL
Development Applications
1 26 (16.88%) Jenkins
2 22 (14.29%) Selenium
3 20 (12.99%) Git (software)
4 17 (11.04%) Cucumber
5 16 (10.39%) JIRA
6 15 (9.74%) SpecFlow
7 10 (6.49%) JIRA Agile
7 10 (6.49%) Mercurial
7 10 (6.49%) Visual Studio
8 9 (5.84%) NUnit
9 6 (3.90%) Subversion
10 5 (3.25%) Bazaar
10 5 (3.25%) MbUnit
10 5 (3.25%) MSTest
10 5 (3.25%) TeamCity
11 4 (2.60%) JUnit
11 4 (2.60%) WebDriver
12 3 (1.95%) Jasmine
12 3 (1.95%) Mocha
12 3 (1.95%) SoapUI
General
1 10 (6.49%) Publishing
2 9 (5.84%) Finance
3 7 (4.55%) Marketing
4 6 (3.90%) Electronics
4 6 (3.90%) Manufacturing
4 6 (3.90%) Telecoms
5 1 (0.65%) Welsh Language
Job Titles
1 94 (61.04%) Developer
2 46 (29.87%) Java Developer
3 16 (10.39%) Agile Developer
4 15 (9.74%) Agile Java Developer
4 15 (9.74%) Senior Developer
5 14 (9.09%) .NET Developer
5 14 (9.09%) Senior Java Developer
6 13 (8.44%) Architect
6 13 (8.44%) Scrum Master
7 11 (7.14%) Agile Scrum Master
7 11 (7.14%) Analyst
7 11 (7.14%) QA Analyst
7 11 (7.14%) Scala Developer
8 10 (6.49%) Agile Coach
8 10 (6.49%) Software Engineer
9 9 (5.84%) Front End Developer (Client-Side Developer)
10 8 (5.19%) Technical Architect
11 6 (3.90%) Elasticsearch Developer
11 6 (3.90%) Java Engineer
12 5 (3.25%) ASP.NET MVC Developer
Libraries, Frameworks & Software Standards
1 29 (18.83%) HTML
2 28 (18.18%) CSS
2 28 (18.18%) JSON
3 25 (16.23%) REST
3 25 (16.23%) RESTful
4 23 (14.94%) AngularJS
5 17 (11.04%) CSS3
5 17 (11.04%) HTML5
6 16 (10.39%) jQuery
7 15 (9.74%) .NET
7 15 (9.74%) ASP.NET Web API
8 13 (8.44%) Web Services
9 11 (7.14%) ASP.NET
9 11 (7.14%) KnockoutJS
9 11 (7.14%) Node.js
10 10 (6.49%) Velocity
10 10 (6.49%) WCF
11 5 (3.25%) ASP.NET MVC
11 5 (3.25%) Gherkin
11 5 (3.25%) Spring
Miscellaneous
1 8 (5.19%) Virtual Team
2 5 (3.25%) Public Cloud
3 4 (2.60%) User Experience
4 3 (1.95%) Enterprise Software
4 3 (1.95%) Visualisation
5 1 (0.65%) Blog
5 1 (0.65%) Fintech
5 1 (0.65%) W3C
Operating Systems
1 9 (5.84%) Linux
2 3 (1.95%) Mac OS
3 1 (0.65%) Unix
Processes & Methodologies
1 127 (82.47%) Agile Software Development
2 100 (64.94%) BDD
3 73 (47.40%) Scrum
4 44 (28.57%) Kanban
5 36 (23.38%) Continuous Integration
5 36 (23.38%) DevOps
6 31 (20.13%) Web Development
7 30 (19.48%) Software Engineering
8 29 (18.83%) OWASP
9 26 (16.88%) Secure Coding
10 23 (14.94%) Test Automation
11 21 (13.64%) Open Source
12 17 (11.04%) OO
13 15 (9.74%) High Availability
13 15 (9.74%) Unit Testing
14 14 (9.09%) Performance Testing
15 13 (8.44%) Automated Testing
15 13 (8.44%) User Stories
16 12 (7.79%) Coaching
16 12 (7.79%) Low Latency
Programming Languages
1 82 (53.25%) Java
2 27 (17.53%) Scala
3 25 (16.23%) JavaScript
4 18 (11.69%) Python
5 16 (10.39%) C#
6 10 (6.49%) TypeScript
7 8 (5.19%) Go
8 7 (4.55%) Ruby
9 4 (2.60%) SQL
10 2 (1.30%) Shell Script
11 1 (0.65%) PHP
11 1 (0.65%) R
Qualifications
1 24 (15.58%) Security Cleared
2 17 (11.04%) SC Cleared
3 1 (0.65%) BPSS Clearance
Quality Assurance & Compliance
1 14 (9.09%) QA
2 3 (1.95%) Disclosure Scotland
3 1 (0.65%) WAI
3 1 (0.65%) WCAG
System Software
1 9 (5.84%) Docker
2 1 (0.65%) HDFS
2 1 (0.65%) vCloud
Systems Management
1 7 (4.55%) Ansible
2 2 (1.30%) Opscode Chef
2 2 (1.30%) Puppet
Vendors
1 6 (3.90%) Oracle
1 6 (3.90%) SAP
2 3 (1.95%) Cloudera
2 3 (1.95%) HP
3 1 (0.65%) Google
3 1 (0.65%) Hortonworks
3 1 (0.65%) Microsoft