The table below looks at the statistics for TDD skills in IT contracts advertised for the West Yorkshire region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 23 February 2017 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
23 Feb 2017
Same period 2016 Same period 2015
Test-Driven Development (TDD)
Yorkshire / West Yorkshire
Rank 24 20 36
Rank change year-on-year
-4 +16
Contract jobs citing TDD 86 145 82
As % of all contract IT jobs located in West Yorkshire 5.94% 7.38% 4.59%
As % of the Processes & Methodologies category 7.13% 8.91% 5.42%
Number of daily rates quoted 65 112 61
Median daily rate £404 £400 £385
Median daily rate % change year-on-year
+1.00% +3.89%
90% offered a daily rate of more than £350 £317 £310
10% offered a daily rate of more than £538 £500 £425
UK excluding London median daily rate £420 £400 £375
% change year-on-year
+5.00% +6.66%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £37.00 £40.00 £34.50
% change year-on-year
-7.50% +15.94%

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

Processes & Methodologies Category
West Yorkshire
Contract IT job ads with a match in the
Processes & Methodologies category
1206 1627 1514
As % of all contract IT jobs located in West Yorkshire 83.34% 82.84% 84.77%
Number of daily rates quoted 791 1118 1037
Median daily rate £405 £400 £385
Median daily rate % change year-on-year
+1.25% +3.89%
90% offered a daily rate of more than £300 £298 £275
10% offered a daily rate of more than £550 £550 £550
UK excluding London median daily rate £410 £400 £400
% change year-on-year
+2.50% -
Number of hourly rates quoted 28 35 34
Median hourly rate £13.00 £18.00 £18.00
Median hourly rate % change year-on-year
-27.77% -
90% offered a hourly rate of more than £8.82 £12.00 £11.25
10% offered a hourly rate of more than £27.31 £21.00 £36.00
UK excluding London median hourly rate £36.00 £40.00 £27.50
% change year-on-year
-10.00% +45.45%

TDD
Jobs Demand Trend in West Yorkshire

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

TDD Jobs Demand Trend in West Yorkshire

TDD
Daily Rate Trend in West Yorkshire

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

TDD Daily Rate Trend in West Yorkshire

TDD
Daily Rate Histogram in West Yorkshire

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the West Yorkshire region over the 3 months to 23 February 2017.

TDD Daily Rate Histogram in West Yorkshire

TDD
Hourly Rate Trend in West Yorkshire

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

TDD Hourly Rate Trend 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 23 February 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 83 £404 -3.80% 41
Bradford +4 3 £538 +19.44% 3
TDD
Yorkshire

TDD
Top 30 Related IT Skills in West Yorkshire

For the 6 months to 23 February 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.

1 167 (86.08%) Agile Software Development
2 113 (58.25%) Java
3 93 (47.94%) BDD
4 59 (30.41%) JavaScript
5 58 (29.90%) HTML
6 55 (28.35%) Scrum
7 53 (27.32%) Jenkins
8 48 (24.74%) Spring
9 42 (21.65%) Scala
10 41 (21.13%) CSS
11 40 (20.62%) AngularJS
12 39 (20.10%) Open Source
12 39 (20.10%) HTML5
12 39 (20.10%) Git (software)
12 39 (20.10%) RESTful
13 38 (19.59%) Continuous Integration
14 34 (17.53%) JIRA
15 33 (17.01%) Ruby
15 33 (17.01%) Selenium
15 33 (17.01%) Microservices
16 32 (16.49%) JSON
16 32 (16.49%) Python
17 31 (15.98%) Kanban
17 31 (15.98%) Cucumber
18 30 (15.46%) MongoDB
18 30 (15.46%) REST
19 28 (14.43%) Puppet
20 27 (13.92%) NoSQL
20 27 (13.92%) C#
21 26 (13.40%) SQL

TDD
Top Related 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 25 (12.89%) Confluence
2 9 (4.64%) Mule
3 8 (4.12%) Apache
4 6 (3.09%) Mule ESB
5 5 (2.58%) Apache Spark
5 5 (2.58%) OpenStack
6 3 (1.55%) Cloud Foundry
6 3 (1.55%) nginx
6 3 (1.55%) Tomcat
7 2 (1.03%) WebSphere
8 1 (0.52%) Adobe Experience Manager
8 1 (0.52%) Apache Solr
8 1 (0.52%) CMS
8 1 (0.52%) Elasticsearch
8 1 (0.52%) GlassFish
8 1 (0.52%) SharePoint
8 1 (0.52%) Sitecore CMS
8 1 (0.52%) Tornado
8 1 (0.52%) WebLogic Integration
8 1 (0.52%) WebLogic Portal
Business Applications
1 1 (0.52%) Dynamics CRM
1 1 (0.52%) FLEXCUBE
1 1 (0.52%) Oracle BPM
1 1 (0.52%) Temenos T24
1 1 (0.52%) VisionPLUS
Cloud Services
1 13 (6.70%) Amazon AWS
2 11 (5.67%) IaaS
3 10 (5.15%) GitHub
4 8 (4.12%) Google Cloud Platform
4 8 (4.12%) Loggly
4 8 (4.12%) Sumo Logic
5 5 (2.58%) Microsoft Azure
6 4 (2.06%) CloudBees
7 3 (1.55%) OpenShift
7 3 (1.55%) PaaS
8 1 (0.52%) Amazon EC2
8 1 (0.52%) SaaS
Communications & Networking
1 12 (6.19%) Internet
2 7 (3.61%) HTTP
3 5 (2.58%) DNS
4 1 (0.52%) BGP
4 1 (0.52%) Cisco Nexus
4 1 (0.52%) DWDM
4 1 (0.52%) EIGRP
4 1 (0.52%) Kerberos
4 1 (0.52%) MPLS
4 1 (0.52%) OpenLDAP
4 1 (0.52%) VLAN
4 1 (0.52%) WAN
Database & Business Intelligence
1 30 (15.46%) MongoDB
2 27 (13.92%) NoSQL
3 26 (13.40%) Relational Database
4 18 (9.28%) MySQL
5 15 (7.73%) Apache Cassandra
6 13 (6.70%) PostgreSQL
7 12 (6.19%) Riak
8 10 (5.15%) SQL Server
9 8 (4.12%) Redis
10 6 (3.09%) Hadoop
10 6 (3.09%) RDBMS
11 5 (2.58%) HBase
11 5 (2.58%) SQL Server 2005
11 5 (2.58%) SQL Server 2008
12 3 (1.55%) Big Data
13 1 (0.52%) Amazon DynamoDB
13 1 (0.52%) CouchDB
13 1 (0.52%) DB2
13 1 (0.52%) Oracle Database
Development Applications
1 53 (27.32%) Jenkins
2 39 (20.10%) Git (software)
3 34 (17.53%) JIRA
4 33 (17.01%) Selenium
5 31 (15.98%) Cucumber
6 22 (11.34%) Maven
7 15 (7.73%) JUnit
7 15 (7.73%) WebDriver
8 11 (5.67%) Grunt
8 11 (5.67%) Vagrant
9 7 (3.61%) RSpec
10 6 (3.09%) SonarQube
11 5 (2.58%) Hudson
12 4 (2.06%) Atlassian Bamboo
12 4 (2.06%) Calabash
12 4 (2.06%) Mockito
12 4 (2.06%) Protractor
13 3 (1.55%) HP UFT
13 3 (1.55%) Mocha
13 3 (1.55%) NUnit
General
1 8 (4.12%) Finance
2 7 (3.61%) Advertising
2 7 (3.61%) Retail
3 6 (3.09%) Telecoms
4 4 (2.06%) Games
5 1 (0.52%) Back Office
5 1 (0.52%) Banking
Job Titles
1 133 (68.56%) Developer
2 49 (25.26%) Java Developer
3 23 (11.86%) JavaScript Developer
4 18 (9.28%) Architect
5 16 (8.25%) Senior Developer
6 14 (7.22%) Agile Developer
7 13 (6.70%) .NET Developer
7 13 (6.70%) Agile Java Developer
7 13 (6.70%) Senior Java Developer
8 12 (6.19%) Android Developer
9 11 (5.67%) C# Developer
9 11 (5.67%) Technical Architect
10 10 (5.15%) Scala Developer
11 9 (4.64%) iOS Developer
11 9 (4.64%) PHP Developer
11 9 (4.64%) Test Engineer
12 8 (4.12%) Automation Tester
12 8 (4.12%) Front End Developer (Client-Side Developer)
12 8 (4.12%) Technical Leader
12 8 (4.12%) Tester
Libraries, Frameworks & Software Standards
1 58 (29.90%) HTML
2 48 (24.74%) Spring
3 41 (21.13%) CSS
4 40 (20.62%) AngularJS
5 39 (20.10%) HTML5
5 39 (20.10%) RESTful
6 32 (16.49%) JSON
7 30 (15.46%) REST
8 25 (12.89%) CSS3
9 23 (11.86%) .NET
10 21 (10.82%) Node.js
11 19 (9.79%) Play Framework
12 18 (9.28%) Web Services
13 17 (8.76%) SOAP
14 16 (8.25%) Django
14 16 (8.25%) jQuery
14 16 (8.25%) RabbitMQ
14 16 (8.25%) React
15 12 (6.19%) Hibernate
16 11 (5.67%) ASP.NET Web API
Miscellaneous
1 19 (9.79%) Mobile App
2 14 (7.22%) User Experience
3 10 (5.15%) Algorithms
4 9 (4.64%) Social Media
5 8 (4.12%) Tandem
6 7 (3.61%) Analytical Skills
6 7 (3.61%) Data Structures
6 7 (3.61%) iPhone
7 5 (2.58%) Replication
8 4 (2.06%) Enterprise Software
8 4 (2.06%) RIA
9 3 (1.55%) Animation
10 2 (1.03%) Computer Science
10 2 (1.03%) Mainframe
10 2 (1.03%) Wiki
11 1 (0.52%) Client/Server
11 1 (0.52%) Data Centre
11 1 (0.52%) DataPower
11 1 (0.52%) Mobile Banking
11 1 (0.52%) NHS
Operating Systems
1 22 (11.34%) Linux
2 16 (8.25%) Android
3 13 (6.70%) Apple iOS
4 6 (3.09%) Unix
5 5 (2.58%) CoreOS
6 2 (1.03%) Windows
Processes & Methodologies
1 167 (86.08%) Agile Software Development
2 93 (47.94%) BDD
3 55 (28.35%) Scrum
4 39 (20.10%) Open Source
5 38 (19.59%) Continuous Integration
6 33 (17.01%) Microservices
7 31 (15.98%) Kanban
8 24 (12.37%) DevOps
8 24 (12.37%) Software Engineering
9 23 (11.86%) MVC
10 22 (11.34%) Automated Testing
10 22 (11.34%) OO
11 19 (9.79%) Test Automation
12 18 (9.28%) User Stories
13 16 (8.25%) SOA
14 15 (7.73%) Android Development
14 15 (7.73%) Mentoring
15 13 (6.70%) Front End Development
16 12 (6.19%) E-Commerce
16 12 (6.19%) iOS Development
Programming Languages
1 113 (58.25%) Java
2 59 (30.41%) JavaScript
3 42 (21.65%) Scala
4 33 (17.01%) Ruby
5 32 (16.49%) Python
6 27 (13.92%) C#
7 26 (13.40%) SQL
8 21 (10.82%) PHP
9 12 (6.19%) Apple Swift
10 6 (3.09%) Go
11 5 (2.58%) C++
12 4 (2.06%) Bash Shell
12 4 (2.06%) Groovy
12 4 (2.06%) Objective-C
13 3 (1.55%) Shell Script
14 2 (1.03%) Clojure
14 2 (1.03%) Korn
14 2 (1.03%) T-SQL
15 1 (0.52%) ES6
15 1 (0.52%) F#
Qualifications
1 7 (3.61%) Security Cleared
2 4 (2.06%) Degree
3 2 (1.03%) CTC Cleared
3 2 (1.03%) ISEB
3 2 (1.03%) ISTQB
4 1 (0.52%) BC Cleared
4 1 (0.52%) BPSS Clearance
4 1 (0.52%) CCNP
4 1 (0.52%) Cisco Certification
Quality Assurance & Compliance
1 13 (6.70%) QA
2 3 (1.55%) SDET
2 3 (1.55%) WCAG
3 2 (1.03%) FATCA
4 1 (0.52%) Disclosure Scotland
System Software
1 21 (10.82%) Docker
2 6 (3.09%) VMware Infrastructure
3 5 (2.58%) HDFS
3 5 (2.58%) VirtualBox
4 1 (0.52%) Virtual Machines
4 1 (0.52%) vSphere
Systems Management
1 28 (14.43%) Puppet
2 17 (8.76%) Opscode Chef
3 12 (6.19%) Ansible
4 8 (4.12%) Nagios
4 8 (4.12%) Salt
4 8 (4.12%) ZABBIX
5 5 (2.58%) Kubernetes
6 1 (0.52%) HP Quality Center
Vendors
1 15 (7.73%) Oracle
2 12 (6.19%) MuleSoft
3 11 (5.67%) Google
3 11 (5.67%) Splunk
4 8 (4.12%) New Relic
4 8 (4.12%) Rackspace
4 8 (4.12%) SaltStack
5 6 (3.09%) VMware
6 3 (1.55%) IBM
7 2 (1.03%) Apple
7 2 (1.03%) CA Agile Central
7 2 (1.03%) HP
7 2 (1.03%) hybris
7 2 (1.03%) Kony
7 2 (1.03%) Microsoft
7 2 (1.03%) Solace
7 2 (1.03%) Temenos
8 1 (0.52%) F5
8 1 (0.52%) Sitecore
8 1 (0.52%) Zend
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