The following table provides summary statistics for contract job vacancies advertised in Yorkshire 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 28 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.

Test-Driven Development (TDD)
England / Yorkshire
3 months to
28 Mar 2017
Same period 2016 Same period 2015
Rank 25 22 25
Rank change year-on-year -3 +3  
Contract jobs citing TDD 153 201 174
As % of all contract IT jobs advertised in Yorkshire 7.20% 7.01% 6.44%
As % of the Processes & Methodologies category 8.71% 8.65% 7.84%
Number of daily rates quoted 107 157 120
Median daily rate £410 £450 £375
Median daily rate % change year-on-year -8.88% +20.00%  
90% offered a daily rate of more than £350 £325 £300
10% offered a daily rate of more than £540 £500 £450
UK excluding London median daily rate £405 £400 £375
% change year-on-year +1.12% +6.66%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
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 Yorkshire with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Yorkshire
Contract job vacancies with a requirement for process and methodology skills 1757 2325 2218
As % of all contract IT job vacancies advertised in Yorkshire 82.68% 81.10% 82.12%
Number of daily rates quoted 1123 1591 1436
Median daily rate £410 £413 £375
Median daily rate % change year-on-year -0.60% +10.00%  
90% offered a daily rate of more than £300 £300 £250
10% offered a daily rate of more than £550 £600 £475
UK excluding London median daily rate £410 £400 £396
% change year-on-year +2.50% +1.01%  
Number of hourly rates quoted 36 64 64
Median hourly rate £13.00 £16.50 £18.00
Median hourly rate % change year-on-year -21.21% -8.33%  
90% offered a hourly rate of more than £8.82 £10.20 £9.25
10% offered a hourly rate of more than £39.00 £35.00 £35.50
UK excluding London median hourly rate £36.00 £38.50 £30.20
% change year-on-year -6.49% +27.48%  

TDD
Job Vacancy Trend in Yorkshire

The job posting trend of jobs advertised in Yorkshire 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 Yorkshire

TDD
Contractor Daily Rate Trend in Yorkshire

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing TDD in Yorkshire.

Contractor daily rate trend for TDD in Yorkshire

TDD
Contractor Daily Rate Histogram in Yorkshire

The daily rate distribution of IT jobs citing TDD in Yorkshire over the 3 months to 28 March 2017.

Contractor daily rate histogram for TDD in Yorkshire

TDD
Contractor Hourly Rate Trend in Yorkshire

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

Contractor hourly rate trend for TDD in Yorkshire

TDD
Contract Job Locations in Yorkshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Yorkshire region over the 3 months to 28 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
West Yorkshire -12 88 £400 -11.11% 40
South Yorkshire +33 59 £450 +38.46% 9
North Yorkshire +9 4 £340 -28.42% 9
TDD
England

TDD
Top 30 Co-occurring IT Skills in Yorkshire

For the 6 months to 28 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 Yorkshire region with a requirement for TDD.

1 242 (83.45%) Agile Software Development
2 178 (61.38%) Java
3 125 (43.10%) BDD
4 114 (39.31%) JavaScript
5 89 (30.69%) Git (software)
6 87 (30.00%) CSS
7 83 (28.62%) HTML
8 73 (25.17%) Linux
9 72 (24.83%) Scrum
10 71 (24.48%) Continuous Integration
11 57 (19.66%) Jenkins
11 57 (19.66%) DevOps
12 55 (18.97%) Relational Database
13 54 (18.62%) Spring
14 53 (18.28%) Python
14 53 (18.28%) REST
15 50 (17.24%) AngularJS
16 48 (16.55%) RESTful
16 48 (16.55%) Open Source
16 48 (16.55%) Ruby
17 47 (16.21%) Web Services
18 46 (15.86%) Configuration Management
19 45 (15.52%) SQL
20 44 (15.17%) Web Development
20 44 (15.17%) Automated Testing
20 44 (15.17%) Kanban
20 44 (15.17%) Microservices
20 44 (15.17%) Continuous Delivery
21 42 (14.48%) Mentoring
21 42 (14.48%) Scala

TDD
Co-occurring IT Skills in Yorkshire 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 26 (8.97%) Confluence
2 12 (4.14%) Tomcat
3 10 (3.45%) Elasticsearch
4 8 (2.76%) Mule
5 7 (2.41%) Apache
6 5 (1.72%) Apache Spark
6 5 (1.72%) Mule ESB
6 5 (1.72%) OpenStack
7 4 (1.38%) CMS
7 4 (1.38%) nginx
8 3 (1.03%) Apache ServiceMix
8 3 (1.03%) Apache Solr
8 3 (1.03%) Cloud Foundry
8 3 (1.03%) Jetty
8 3 (1.03%) Sitecore CMS
9 2 (0.69%) Alfresco
10 1 (0.34%) Adobe Experience Manager
10 1 (0.34%) NServiceBus
10 1 (0.34%) Tornado
10 1 (0.34%) WordPress
Applications
1 1 (0.34%) MS Excel
Business Applications
1 4 (1.38%) SAP Oil and Gas
2 1 (0.34%) Dynamics CRM
2 1 (0.34%) SAP Hybris
Cloud Services
1 13 (4.48%) GitHub
2 12 (4.14%) Amazon AWS
3 11 (3.79%) IaaS
4 8 (2.76%) Google Cloud Platform
4 8 (2.76%) Loggly
4 8 (2.76%) Sumo Logic
5 6 (2.07%) Microsoft Azure
6 4 (1.38%) CloudBees
7 3 (1.03%) OpenShift
7 3 (1.03%) PaaS
7 3 (1.03%) Slack
8 1 (0.34%) Amazon EC2
8 1 (0.34%) SaaS
Communications & Networking
1 24 (8.28%) HTTP
2 13 (4.48%) Internet
3 5 (1.72%) DNS
4 1 (0.34%) BGP
4 1 (0.34%) Cisco Nexus
4 1 (0.34%) DWDM
4 1 (0.34%) EIGRP
4 1 (0.34%) Intranet
4 1 (0.34%) Kerberos
4 1 (0.34%) MPLS
4 1 (0.34%) OpenLDAP
4 1 (0.34%) VLAN
4 1 (0.34%) WAN
Database & Business Intelligence
1 55 (18.97%) Relational Database
2 40 (13.79%) MongoDB
3 38 (13.10%) NoSQL
4 27 (9.31%) PostgreSQL
5 26 (8.97%) MySQL
6 21 (7.24%) Apache Cassandra
7 18 (6.21%) SQL Server
8 11 (3.79%) Redis
8 11 (3.79%) Riak
9 7 (2.41%) SQL Server 2005
9 7 (2.41%) SQL Server 2008
10 6 (2.07%) RDBMS
11 5 (1.72%) Hadoop
11 5 (1.72%) HBase
12 2 (0.69%) Big Data
13 1 (0.34%) Amazon DynamoDB
13 1 (0.34%) CouchDB
13 1 (0.34%) SQL Server 2000
Development Applications
1 89 (30.69%) Git (software)
2 57 (19.66%) Jenkins
3 38 (13.10%) Selenium
4 37 (12.76%) JIRA
5 29 (10.00%) Cucumber
6 25 (8.62%) Maven
7 18 (6.21%) JUnit
8 16 (5.52%) WebDriver
9 13 (4.48%) Mockito
10 9 (3.10%) Spock
11 8 (2.76%) Grunt
11 8 (2.76%) jMock
11 8 (2.76%) Vagrant
12 7 (2.41%) Jasmine
12 7 (2.41%) Subversion
13 6 (2.07%) EasyMock
13 6 (2.07%) Gradle
13 6 (2.07%) TeamCity
14 5 (1.72%) Atlassian Bamboo
14 5 (1.72%) Hudson
General
1 13 (4.48%) Finance
1 13 (4.48%) Telecoms
2 10 (3.45%) Retail
3 7 (2.41%) Advertising
4 4 (1.38%) Electronics
4 4 (1.38%) Games
4 4 (1.38%) Manufacturing
4 4 (1.38%) Marketing
5 1 (0.34%) Back Office
5 1 (0.34%) Banking
5 1 (0.34%) Multimedia
Job Titles
1 203 (70.00%) Developer
2 89 (30.69%) Java Developer
3 34 (11.72%) Architect
4 31 (10.69%) JavaScript Developer
5 29 (10.00%) Front End Developer (Client-Side Developer)
6 25 (8.62%) Technical Architect
7 19 (6.55%) .NET Developer
7 19 (6.55%) Senior Developer
8 17 (5.86%) Agile Developer
9 15 (5.17%) Agile Java Developer
10 14 (4.83%) Automation Tester
10 14 (4.83%) C# Developer
10 14 (4.83%) PHP Developer
10 14 (4.83%) Senior Java Developer
10 14 (4.83%) Tester
11 13 (4.48%) iOS Developer
12 12 (4.14%) HTML Developer
13 11 (3.79%) Android Developer
13 11 (3.79%) C# .NET Developer
13 11 (3.79%) Java Engineer
Libraries, Frameworks & Software Standards
1 87 (30.00%) CSS
2 83 (28.62%) HTML
3 54 (18.62%) Spring
4 53 (18.28%) REST
5 50 (17.24%) AngularJS
6 48 (16.55%) RESTful
7 47 (16.21%) Web Services
8 42 (14.48%) HTML5
9 35 (12.07%) JSON
10 31 (10.69%) CSS3
11 30 (10.34%) .NET
12 27 (9.31%) Node.js
13 25 (8.62%) jQuery
14 22 (7.59%) SOAP
15 20 (6.90%) ASP.NET
15 20 (6.90%) React
16 19 (6.55%) Spring Boot
17 17 (5.86%) Play Framework
17 17 (5.86%) RabbitMQ
18 16 (5.52%) Django
Miscellaneous
1 40 (13.79%) User Experience
2 20 (6.90%) Mobile App
3 12 (4.14%) Algorithms
4 9 (3.10%) Data Structures
4 9 (3.10%) iPhone
5 8 (2.76%) Social Media
6 7 (2.41%) RIA
7 6 (2.07%) Analytical Skills
8 5 (1.72%) Replication
8 5 (1.72%) Tandem
9 3 (1.03%) Enterprise Software
9 3 (1.03%) Wiki
10 2 (0.69%) Blog
10 2 (0.69%) Computer Science
10 2 (0.69%) Data Centre
10 2 (0.69%) Foreign Exchange (FX)
10 2 (0.69%) Virtual Team
11 1 (0.34%) Mainframe
11 1 (0.34%) NHS
11 1 (0.34%) W3C
Operating Systems
1 73 (25.17%) Linux
2 41 (14.14%) Unix
3 36 (12.41%) Mac OS X
4 17 (5.86%) Android
5 16 (5.52%) Apple iOS
6 6 (2.07%) CoreOS
7 5 (1.72%) CentOS
8 3 (1.03%) Red Hat Enterprise Linux
9 1 (0.34%) Windows
Processes & Methodologies
1 242 (83.45%) Agile Software Development
2 125 (43.10%) BDD
3 72 (24.83%) Scrum
4 71 (24.48%) Continuous Integration
5 57 (19.66%) DevOps
6 48 (16.55%) Open Source
7 46 (15.86%) Configuration Management
8 44 (15.17%) Automated Testing
8 44 (15.17%) Continuous Delivery
8 44 (15.17%) Kanban
8 44 (15.17%) Microservices
8 44 (15.17%) Web Development
9 42 (14.48%) Mentoring
10 40 (13.79%) Front End Development
11 35 (12.07%) MVC
12 28 (9.66%) User Stories
13 27 (9.31%) Prototyping
13 27 (9.31%) Software Engineering
14 24 (8.28%) Line Management
15 22 (7.59%) OO
Programming Languages
1 178 (61.38%) Java
2 114 (39.31%) JavaScript
3 53 (18.28%) Python
4 48 (16.55%) Ruby
5 45 (15.52%) SQL
6 42 (14.48%) Scala
7 35 (12.07%) C#
8 26 (8.97%) PHP
9 16 (5.52%) Apple Swift
10 7 (2.41%) Bash Shell
11 6 (2.07%) Clojure
11 6 (2.07%) Go
11 6 (2.07%) Objective-C
12 5 (1.72%) C++
12 5 (1.72%) T-SQL
13 3 (1.03%) Korn
13 3 (1.03%) Shell Script
14 2 (0.69%) C
14 2 (0.69%) ECMAScript
14 2 (0.69%) Groovy
Qualifications
1 17 (5.86%) Security Cleared
2 7 (2.41%) BC Cleared
2 7 (2.41%) Degree
3 3 (1.03%) BPSS Clearance
4 2 (0.69%) CTC Cleared
4 2 (0.69%) ISEB
4 2 (0.69%) ISTQB
4 2 (0.69%) SC Cleared
5 1 (0.34%) CCNP
5 1 (0.34%) Cisco Certification
5 1 (0.34%) DBS Check
Quality Assurance & Compliance
1 11 (3.79%) QA
2 7 (2.41%) Disclosure Scotland
3 3 (1.03%) FATCA
3 3 (1.03%) SDET
4 2 (0.69%) WCAG
System Software
1 37 (12.76%) Docker
2 6 (2.07%) VMware Infrastructure
3 5 (1.72%) GlusterFS
3 5 (1.72%) HDFS
3 5 (1.72%) VirtualBox
4 1 (0.34%) vSphere
Systems Management
1 23 (7.93%) Puppet
2 20 (6.90%) Ansible
3 16 (5.52%) Opscode Chef
4 11 (3.79%) ZABBIX
5 8 (2.76%) Nagios
5 8 (2.76%) Salt
6 6 (2.07%) Kubernetes
7 5 (1.72%) Kibana
7 5 (1.72%) logstash
Vendors
1 16 (5.52%) Oracle
2 11 (3.79%) Google
3 10 (3.45%) MuleSoft
3 10 (3.45%) Splunk
4 8 (2.76%) New Relic
4 8 (2.76%) Rackspace
4 8 (2.76%) SaltStack
5 6 (2.07%) VMware
6 5 (1.72%) SAP
7 4 (1.38%) hybris
7 4 (1.38%) Zend
8 3 (1.03%) Microsoft
8 3 (1.03%) Red Hat
8 3 (1.03%) Sitecore
8 3 (1.03%) Solace
9 2 (0.69%) Apple
9 2 (0.69%) Telerik
10 1 (0.34%) Adobe
10 1 (0.34%) IBM
10 1 (0.34%) Temenos
Leeds, West Yorkshire
Fruition IT Resources Limited
Rate: £350 - £400 per day
Posted: 2 hours ago
Leeds, West Yorkshire
Uniting Ambition
Rate: £350 - 400 per day
Posted: Yesterday
Leeds, West Yorkshire
TEKsystems
Rate: £400 - £430 per day
Posted: 22 hours ago
Leeds, West Yorkshire
The Bridge Ltd
Rate: Market Rates
Posted: 2 hours ago
Leeds
Real Staffing
Rate: competitive
Posted: Yesterday
Leeds, West Yorkshire
The Bridge Ltd
Rate: From £400 to £450 per day 4 months likely to extend.
Posted: 4 days ago
Leeds, West Yorkshire
The Bridge Ltd
Rate: Unspecified Neg
Posted: 4 days ago
Leeds
Lawrence Harvey
Rate: £300 - £400 per day
Posted: 5 days ago
Leeds, West Yorkshire
Experis Ltd
Rate: £400.00 - £440.00 per day
Posted: 6 days ago
Barnsley, United Kingdom
Barnsley Borough Council
Rate: £33,437 - £36,379
Posted: 11 days ago