The table below looks at the statistics for TDD skills in IT contracts advertised for the Sheffield region. Included is a guide to the average contractor rates offered in IT contracts that have cited TDD over the 3 months to 30 July 2015 with a comparison to the same period in 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.

Location
3 months to
30 Jul 2015
Same period 2014 Same period 2013
Test-Driven Development (TDD)
Rank 26 20 20
Rank change year-on-year
-6 0
Contract jobs citing TDD 9 7 8
As % of all contract IT jobs located in Sheffield 3.20% 3.76% 4.15%
As % of the Processes & Methodologies category 4.19% 5.30% 6.06%
Number of daily rates quoted 4 5 4
Average daily rate
Keep up to 90%
of your Daily Rate
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£488 £395 £294
Average daily rate % change year-on-year
+23.41% +34.46%
90% offered a daily rate of more than £363 £360 £261
10% offered a daily rate of more than £525 £421 £344
UK excluding London average daily rate £375 £375 £360
% change year-on-year
- +4.16%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate £40.00 £59.50 £31.75
% change year-on-year
-32.77% +87.40%
TDD
South Yorkshire

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

Processes & Methodologies Category
Sheffield
Contract IT job ads with a match in the
Processes & Methodologies category
215 132 132
As % of all contract IT jobs located in Sheffield 76.51% 70.97% 68.39%
Number of daily rates quoted 153 89 81
Average daily rate £375 £375 £338
Average daily rate % change year-on-year
- +11.11%
90% offered a daily rate of more than £240 £214 £203
10% offered a daily rate of more than £525 £450 £450
UK excluding London average daily rate £388 £375 £375
% change year-on-year
+3.33% -
Number of hourly rates quoted 2 7 14
Average hourly rate £12.50 £15.00 £44.60
Average hourly rate % change year-on-year
-16.66% -66.36%
UK excluding London average hourly rate £30.00 £26.50 £31.00
% change year-on-year
+13.20% -14.51%

TDD
Jobs Demand Trend in Sheffield

This chart provides a 3-month moving total of IT contractor jobs citing TDD across the Sheffield region as a proportion of the total demand within the Processes & Methodologies category.

TDD Jobs Demand Trend in Sheffield

TDD
Daily Rate Trend in Sheffield

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

TDD Daily Rate Trend in Sheffield

TDD
Daily Rate Histogram in Sheffield

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the Sheffield region over the 3 months to 30 July 2015.

TDD Daily Rate Histogram in Sheffield

TDD
Hourly Rate Trend in Sheffield

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

TDD Hourly Rate Trend in Sheffield

TDD
Top 30 Related IT Skills in Sheffield

For the 6 months to 30 July 2015, IT contractor jobs across the Sheffield region citing TDD also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited TDD.

1 13 (56.52%) Agile Software Development
1 13 (56.52%) JavaScript
2 12 (52.17%) Java
2 12 (52.17%) Scrum
3 11 (47.83%) HTML
3 11 (47.83%) Continuous Integration
4 9 (39.13%) BDD
4 9 (39.13%) NoSQL
4 9 (39.13%) .NET
4 9 (39.13%) MVC
5 8 (34.78%) Spring
5 8 (34.78%) C#
6 7 (30.43%) CSS
7 6 (26.09%) JUnit
7 6 (26.09%) MongoDB
7 6 (26.09%) Jenkins
8 5 (21.74%) Relational Database
8 5 (21.74%) Maven
9 4 (17.39%) PHP
9 4 (17.39%) Linux
9 4 (17.39%) REST
9 4 (17.39%) Umbraco
9 4 (17.39%) jQuery
10 3 (13.04%) Unit Testing
10 3 (13.04%) Dojo
10 3 (13.04%) Selenium
10 3 (13.04%) Ruby
10 3 (13.04%) PostgreSQL
10 3 (13.04%) Security Cleared
10 3 (13.04%) Test Automation

TDD
Top Related IT Skills in Sheffield by Category

For the 6 months to 30 July 2015, IT contractor jobs across the Sheffield region citing TDD also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited TDD. Up to 20 skills are shown per category.

Application Platforms
1 4 (17.39%) Umbraco
2 3 (13.04%) Node.js
3 2 (8.70%) Apache
4 1 (4.35%) Tomcat
4 1 (4.35%) Drupal
4 1 (4.35%) Jetty
4 1 (4.35%) Alfresco
4 1 (4.35%) nginx
4 1 (4.35%) Confluence
4 1 (4.35%) Apache Spark
4 1 (4.35%) JBoss
Cloud Services
1 1 (4.35%) Amazon AWS
1 1 (4.35%) IaaS
1 1 (4.35%) Google Cloud Platform
Communications & Networking
1 2 (8.70%) HTTP
2 1 (4.35%) VPN
2 1 (4.35%) DNS
2 1 (4.35%) DMZ
2 1 (4.35%) Firewall
Database & Business Intelligence
1 9 (39.13%) NoSQL
2 6 (26.09%) MongoDB
3 5 (21.74%) Relational Database
4 3 (13.04%) MySQL
4 3 (13.04%) PostgreSQL
5 2 (8.70%) CouchDB
5 2 (8.70%) Couchbase
6 1 (4.35%) HBase
6 1 (4.35%) Redis
6 1 (4.35%) Hadoop
6 1 (4.35%) Apache Cassandra
Development Applications
1 6 (26.09%) JUnit
1 6 (26.09%) Jenkins
2 5 (21.74%) Maven
3 3 (13.04%) Selenium
3 3 (13.04%) Build Forge
3 3 (13.04%) Jasmine
4 2 (8.70%) Artifactory
4 2 (8.70%) Cucumber
4 2 (8.70%) JIRA
4 2 (8.70%) NUnit
5 1 (4.35%) CruiseControl
5 1 (4.35%) Subversion
5 1 (4.35%) PVCS
5 1 (4.35%) ClearCase
5 1 (4.35%) Eclipse
5 1 (4.35%) JMeter
5 1 (4.35%) Hudson
5 1 (4.35%) Gerrit
5 1 (4.35%) FishEye
5 1 (4.35%) Atlassian Bamboo
General
1 2 (8.70%) Finance
2 1 (4.35%) Telecoms
Job Titles
1 17 (73.91%) Developer
2 9 (39.13%) Java Developer
3 7 (30.43%) .NET Developer
4 3 (13.04%) C# Developer
4 3 (13.04%) C# .NET Developer
5 2 (8.70%) Development Consultant
5 2 (8.70%) Umbraco Developer
5 2 (8.70%) Software Consultant
5 2 (8.70%) Consultant
5 2 (8.70%) HTML Developer
6 1 (4.35%) Senior Java Developer
6 1 (4.35%) Architect
6 1 (4.35%) Senior Developer
6 1 (4.35%) Lead Developer
6 1 (4.35%) Test Engineer
6 1 (4.35%) ASP.NET Developer
6 1 (4.35%) PHP Developer
6 1 (4.35%) Technical Leader
6 1 (4.35%) Lead Java Developer
6 1 (4.35%) Web Architect
Libraries, Frameworks & Software Standards
1 11 (47.83%) HTML
2 9 (39.13%) .NET
3 8 (34.78%) Spring
4 7 (30.43%) CSS
5 4 (17.39%) jQuery
5 4 (17.39%) REST
6 3 (13.04%) Spring Integration
6 3 (13.04%) Dojo
6 3 (13.04%) SOAP
6 3 (13.04%) XML
7 2 (8.70%) LAMP
7 2 (8.70%) ActiveMQ
7 2 (8.70%) Spring MVC
7 2 (8.70%) NHibernate
7 2 (8.70%) KnockoutJS
7 2 (8.70%) HTML5
7 2 (8.70%) ASP.NET
7 2 (8.70%) Castle Windsor
7 2 (8.70%) SignalR
8 1 (4.35%) RabbitMQ
Miscellaneous
1 1 (4.35%) Tandem
1 1 (4.35%) Enterprise Software
Operating Systems
1 4 (17.39%) Linux
2 3 (13.04%) UNIX
3 1 (4.35%) Windows
3 1 (4.35%) Solaris
3 1 (4.35%) Ubuntu
3 1 (4.35%) CentOS
3 1 (4.35%) Mac OS
Processes & Methodologies
1 13 (56.52%) Agile Software Development
2 12 (52.17%) Scrum
3 11 (47.83%) Continuous Integration
4 9 (39.13%) BDD
4 9 (39.13%) MVC
5 3 (13.04%) Pair Programming
5 3 (13.04%) SOA
5 3 (13.04%) Automation Testing
5 3 (13.04%) Test Automation
5 3 (13.04%) DevOps
5 3 (13.04%) Unit Testing
5 3 (13.04%) SDLC
6 2 (8.70%) Open Source
6 2 (8.70%) Dependency Injection
6 2 (8.70%) ATDD
6 2 (8.70%) OO
6 2 (8.70%) E-Commerce
7 1 (4.35%) UML
7 1 (4.35%) Web Development
7 1 (4.35%) OO PHP
Programming Languages
1 13 (56.52%) JavaScript
2 12 (52.17%) Java
3 8 (34.78%) C#
4 4 (17.39%) PHP
5 3 (13.04%) Python
5 3 (13.04%) Ruby
6 2 (8.70%) Scala
6 2 (8.70%) Bash Shell
6 2 (8.70%) Go
6 2 (8.70%) C++
6 2 (8.70%) SQL
7 1 (4.35%) Perl
Qualifications
1 3 (13.04%) Security Cleared
2 2 (8.70%) SC Cleared
System Software
1 2 (8.70%) Docker
2 1 (4.35%) HDFS
2 1 (4.35%) vCloud
Systems Management
1 3 (13.04%) Puppet
2 2 (8.70%) Opscode Chef
2 2 (8.70%) Ansible
3 1 (4.35%) Salt
3 1 (4.35%) Kubernetes
3 1 (4.35%) HAProxy
3 1 (4.35%) ZABBIX
3 1 (4.35%) HP Quality Center
Vendors
1 2 (8.70%) Microsoft
2 1 (4.35%) Sun
2 1 (4.35%) HP
2 1 (4.35%) Red Hat
2 1 (4.35%) VMware
2 1 (4.35%) Google
2 1 (4.35%) Zend
2 1 (4.35%) Atlassian
2 1 (4.35%) Percona
2 1 (4.35%) SaltStack
2 1 (4.35%) Oracle