The following table provides summary statistics for contract job vacancies advertised in West 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 27 June 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)
Yorkshire / West Yorkshire
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 11 7 25
Rank change year-on-year -4 +18  
Contract jobs citing TDD 134 268 126
As % of all contract IT jobs advertised in West Yorkshire 9.33% 13.06% 6.01%
As % of the Processes & Methodologies category 10.79% 14.93% 7.00%
Number of daily rates quoted 115 202 106
Median daily rate £420 £450 £335
Median daily rate % change year-on-year -6.66% +34.32%  
90% offered a daily rate of more than £375 £350 £300
10% offered a daily rate of more than £500 £500 £450
UK excluding London median daily rate £420 £413 £375
% change year-on-year +1.81% +10.00%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £41.50 £40.00 £43.75
% change year-on-year +3.75% -8.57%  

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 West Yorkshire with a requirement for process and methodology skills.

Contract Process & Methodology Skills
West Yorkshire
Contract job vacancies with a requirement for process and methodology skills 1242 1795 1801
As % of all contract IT job vacancies advertised in West Yorkshire 86.49% 87.48% 85.84%
Number of daily rates quoted 834 1234 1288
Median daily rate £403 £425 £360
Median daily rate % change year-on-year -5.29% +18.05%  
90% offered a daily rate of more than £310 £320 £275
10% offered a daily rate of more than £540 £550 £500
UK excluding London median daily rate £415 £400 £385
% change year-on-year +3.75% +3.89%  
Number of hourly rates quoted 29 18 30
Median hourly rate £10.89 £14.50 £35.00
Median hourly rate % change year-on-year -24.93% -58.57%  
90% offered a hourly rate of more than £8.79 £10.20 £12.25
10% offered a hourly rate of more than £27.99 £170.00 £45.00
UK excluding London median hourly rate £34.00 £28.50 £30.00
% change year-on-year +19.29% -5.00%  

TDD
Job Vacancy Trend in West Yorkshire

The job posting trend of jobs advertised in West 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 West Yorkshire

TDD
Contractor Daily Rate Trend in West Yorkshire

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

Contractor daily rate trend for TDD in West Yorkshire

TDD
Contractor Daily Rate Histogram in West Yorkshire

The daily rate distribution of IT jobs citing TDD in West Yorkshire over the 3 months to 27 June 2017.

Contractor daily rate histogram for TDD in West Yorkshire

TDD
Contractor Hourly Rate Trend in West Yorkshire

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

Contractor hourly rate trend for TDD in West Yorkshire

TDD
Contract Job Locations in West 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 West Yorkshire region over the 3 months to 27 June 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
Leeds -4 132 £420 -5.35% 49
Bradford -3 2 £500 +11.11% 3
Halifax +8 1 £558 - 2
TDD
Yorkshire

For the 6 months to 27 June 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 West Yorkshire region with a requirement for TDD.

1 187 (83.86%) Agile Software Development
2 127 (56.95%) Java
3 90 (40.36%) BDD
4 80 (35.87%) JavaScript
5 54 (24.22%) Spring
6 51 (22.87%) Test Automation
7 49 (21.97%) SQL
7 49 (21.97%) HTML
8 48 (21.52%) NoSQL
9 46 (20.63%) Node.js
9 46 (20.63%) Scrum
9 46 (20.63%) Open Source
10 44 (19.73%) Git (software)
10 44 (19.73%) Continuous Integration
11 43 (19.28%) MySQL
11 43 (19.28%) AngularJS
12 41 (18.39%) MongoDB
12 41 (18.39%) Jenkins
12 41 (18.39%) Software Engineering
13 40 (17.94%) CSS
13 40 (17.94%) Microservices
14 37 (16.59%) MVC
15 34 (15.25%) Python
15 34 (15.25%) JIRA
15 34 (15.25%) React
16 33 (14.80%) Hibernate
17 32 (14.35%) Scala
18 30 (13.45%) DevOps
19 29 (13.00%) Kanban
19 29 (13.00%) Linux

TDD
Co-occurring IT Skills in West 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 17 (7.62%) Confluence
2 9 (4.04%) CMS
3 7 (3.14%) Sitecore CMS
4 6 (2.69%) Tomcat
5 5 (2.24%) Elasticsearch
6 4 (1.79%) Apache Solr
7 3 (1.35%) Apache
8 2 (0.90%) Apache Spark
9 1 (0.45%) OpenStack
Applications
1 2 (0.90%) MS Visio
2 1 (0.45%) Adobe After Effects
2 1 (0.45%) Adobe Illustrator
2 1 (0.45%) Microsoft Excel
2 1 (0.45%) Photoshop
Cloud Services
1 11 (4.93%) Slack
2 6 (2.69%) Amazon AWS
3 4 (1.79%) Google Cloud Platform
3 4 (1.79%) IaaS
3 4 (1.79%) Loggly
3 4 (1.79%) Sumo Logic
4 2 (0.90%) GitHub
5 1 (0.45%) Amazon EC2
5 1 (0.45%) Amazon Kinesis
5 1 (0.45%) SaaS
Communications & Networking
1 10 (4.48%) Firewall
2 4 (1.79%) BGP
2 4 (1.79%) EIGRP
2 4 (1.79%) Internet
3 3 (1.35%) Cisco Nexus
3 3 (1.35%) DWDM
3 3 (1.35%) MPLS
3 3 (1.35%) VLAN
3 3 (1.35%) WAN
4 2 (0.90%) HTTP
5 1 (0.45%) Cisco ASA
5 1 (0.45%) Cisco IOS
5 1 (0.45%) DMVPN
5 1 (0.45%) DNS
5 1 (0.45%) F5 BIG-IP GTM
5 1 (0.45%) F5 BIG-IP LTM
5 1 (0.45%) IOS XR
5 1 (0.45%) WLAN
Database & Business Intelligence
1 48 (21.52%) NoSQL
2 43 (19.28%) MySQL
3 41 (18.39%) MongoDB
4 26 (11.66%) Apache Cassandra
5 22 (9.87%) PostgreSQL
6 15 (6.73%) SQL Server
7 11 (4.93%) CouchDB
8 9 (4.04%) Relational Database
9 8 (3.59%) Couchbase
10 5 (2.24%) RDBMS
10 5 (2.24%) Riak
10 5 (2.24%) SQL Server 2005
10 5 (2.24%) SQL Server 2008
11 2 (0.90%) Big Data
11 2 (0.90%) Hadoop
12 1 (0.45%) Amazon DynamoDB
12 1 (0.45%) HBase
12 1 (0.45%) Redis
Development Applications
1 44 (19.73%) Git (software)
2 41 (18.39%) Jenkins
3 34 (15.25%) JIRA
4 25 (11.21%) Cucumber
5 22 (9.87%) JUnit
6 18 (8.07%) Selenium
7 16 (7.17%) Jasmine
8 12 (5.38%) Maven
9 11 (4.93%) Grunt
10 8 (3.59%) WebDriver
11 7 (3.14%) Subversion
12 5 (2.24%) jMock
12 5 (2.24%) Karma Test Runner
12 5 (2.24%) Mocha
12 5 (2.24%) Mockito
12 5 (2.24%) Protractor
12 5 (2.24%) Vagrant
13 3 (1.35%) Hudson
13 3 (1.35%) JBehave
14 2 (0.90%) DbUnit
General
1 10 (4.48%) Telecoms
2 9 (4.04%) Finance
3 6 (2.69%) Retail
4 2 (0.90%) Games
5 1 (0.45%) Back Office
5 1 (0.45%) Banking
5 1 (0.45%) Marketing
5 1 (0.45%) Publishing
Job Titles
1 167 (74.89%) Developer
2 67 (30.04%) Java Developer
3 32 (14.35%) JavaScript Developer
4 20 (8.97%) Android Developer
5 18 (8.07%) iOS Developer
6 16 (7.17%) Java Scala Developer
6 16 (7.17%) Scala Developer
7 15 (6.73%) .NET Developer
8 14 (6.28%) Agile Developer
8 14 (6.28%) Tester
9 13 (5.83%) Architect
10 12 (5.38%) Automation Tester
10 12 (5.38%) Front End Developer (Client-Side Developer)
11 11 (4.93%) Java Engineer
11 11 (4.93%) PHP Developer
11 11 (4.93%) Technical Architect
12 10 (4.48%) Software Engineer
13 9 (4.04%) Agile Java Developer
13 9 (4.04%) Senior Developer
13 9 (4.04%) Software Developer
Libraries, Frameworks & Software Standards
1 54 (24.22%) Spring
2 49 (21.97%) HTML
3 46 (20.63%) Node.js
4 43 (19.28%) AngularJS
5 40 (17.94%) CSS
6 34 (15.25%) React
7 33 (14.80%) Hibernate
8 28 (12.56%) HTML5
8 28 (12.56%) REST
8 28 (12.56%) RESTful
9 25 (11.21%) .NET
9 25 (11.21%) ASP.NET
9 25 (11.21%) ASP.NET MVC
10 22 (9.87%) CSS3
11 18 (8.07%) Android SDK
11 18 (8.07%) jQuery
11 18 (8.07%) Web Services
12 14 (6.28%) ASP.NET Web API
12 14 (6.28%) JSON
12 14 (6.28%) Play Framework
Miscellaneous
1 25 (11.21%) Mobile App
2 21 (9.42%) Greenfield Project
3 13 (5.83%) iPhone
4 12 (5.38%) Algorithms
4 12 (5.38%) Data Structures
5 10 (4.48%) User Experience
6 7 (3.14%) Analytical Skills
7 4 (1.79%) Data Centre
8 3 (1.35%) iPad
8 3 (1.35%) Mainframe
8 3 (1.35%) RIA
8 3 (1.35%) Wiki
9 2 (0.90%) Enterprise Software
9 2 (0.90%) Virtual Team
10 1 (0.45%) Fintech
10 1 (0.45%) Linux Command Line
10 1 (0.45%) Management Information System
10 1 (0.45%) NHS
10 1 (0.45%) Social Media
10 1 (0.45%) W3C
Operating Systems
1 29 (13.00%) Linux
2 27 (12.11%) Android
3 20 (8.97%) Apple iOS
4 12 (5.38%) Red Hat Enterprise Linux
5 1 (0.45%) CoreOS
5 1 (0.45%) Unix
5 1 (0.45%) Windows
Processes & Methodologies
1 187 (83.86%) Agile Software Development
2 90 (40.36%) BDD
3 51 (22.87%) Test Automation
4 46 (20.63%) Open Source
4 46 (20.63%) Scrum
5 44 (19.73%) Continuous Integration
6 41 (18.39%) Software Engineering
7 40 (17.94%) Microservices
8 37 (16.59%) MVC
9 30 (13.45%) DevOps
10 29 (13.00%) Kanban
11 27 (12.11%) Android Development
12 24 (10.76%) Front End Development
13 23 (10.31%) Pair Programming
14 20 (8.97%) iOS Development
15 18 (8.07%) Configuration Management
16 17 (7.62%) SDLC
17 15 (6.73%) OO
18 14 (6.28%) Continuous Delivery
18 14 (6.28%) User Stories
Programming Languages
1 127 (56.95%) Java
2 80 (35.87%) JavaScript
3 49 (21.97%) SQL
4 34 (15.25%) Python
5 32 (14.35%) Scala
6 22 (9.87%) C#
7 19 (8.52%) PHP
8 18 (8.07%) Apple Swift
9 16 (7.17%) Ruby
10 10 (4.48%) Groovy
10 10 (4.48%) Perl
11 8 (3.59%) T-SQL
12 7 (3.14%) Bash Shell
12 7 (3.14%) Objective-C
13 5 (2.24%) Go
14 3 (1.35%) C++
15 1 (0.45%) C
15 1 (0.45%) ECMAScript
15 1 (0.45%) Erlang
15 1 (0.45%) Haskell
Qualifications
1 6 (2.69%) Degree
2 4 (1.79%) CCNP
2 4 (1.79%) Cisco Certification
3 3 (1.35%) ISEB
4 2 (0.90%) BPSS Clearance
4 2 (0.90%) Computer Science Degree
4 2 (0.90%) CTC Cleared
4 2 (0.90%) Security Cleared
Quality Assurance & Compliance
1 13 (5.83%) QA
System Software
1 27 (12.11%) Docker
2 2 (0.90%) VMware Infrastructure
3 1 (0.45%) HDFS
3 1 (0.45%) VirtualBox
3 1 (0.45%) vSphere
Systems Management
1 10 (4.48%) Ansible
1 10 (4.48%) Puppet
2 9 (4.04%) Opscode Chef
3 5 (2.24%) Salt
4 4 (1.79%) Nagios
4 4 (1.79%) ZABBIX
5 3 (1.35%) Prometheus
6 2 (0.90%) Kubernetes
7 1 (0.45%) Cisco CUCM
7 1 (0.45%) Cobbler
7 1 (0.45%) FortiGate
7 1 (0.45%) HP UCMDB
7 1 (0.45%) OPNET
Vendors
1 12 (5.38%) Oracle
2 10 (4.48%) Red Hat
3 7 (3.14%) Sitecore
3 7 (3.14%) Splunk
4 5 (2.24%) Google
5 4 (1.79%) F5
5 4 (1.79%) New Relic
5 4 (1.79%) Rackspace
5 4 (1.79%) SaltStack
6 3 (1.35%) BT
6 3 (1.35%) hybris
6 3 (1.35%) Microsoft
6 3 (1.35%) Zend
7 2 (0.90%) Apple
7 2 (0.90%) VMware
8 1 (0.45%) Adobe
8 1 (0.45%) BMC
8 1 (0.45%) Cisco
8 1 (0.45%) HP
8 1 (0.45%) Motorola
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