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 24 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.

3 months to
24 Mar 2017
Same period 2016 Same period 2015
Test-Driven Development (TDD)
Yorkshire / West Yorkshire
Rank 26 15 24
Rank change year-on-year -11 +9  
Contract jobs citing TDD 90 170 122
As % of all contract IT jobs advertised in West Yorkshire 6.60% 8.87% 6.77%
As % of the Processes & Methodologies category 7.81% 10.73% 7.94%
Number of daily rates quoted 73 135 84
Median daily rate £400 £450 £400
Median daily rate % change year-on-year -11.11% +12.50%  
90% offered a daily rate of more than £350 £325 £315
10% offered a daily rate of more than £550 £520 £450
UK excluding London median daily rate £408 £400 £375
% change year-on-year +1.87% +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 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 1153 1584 1537
As % of all contract IT job vacancies advertised in West Yorkshire 84.53% 82.63% 85.29%
Number of daily rates quoted 773 1106 986
Median daily rate £400 £410 £375
Median daily rate % change year-on-year -2.43% +9.33%  
90% offered a daily rate of more than £300 £300 £265
10% offered a daily rate of more than £550 £575 £475
UK excluding London median daily rate £410 £400 £400
% change year-on-year +2.50% -  
Number of hourly rates quoted 19 38 38
Median hourly rate £13.00 £15.75 £18.00
Median hourly rate % change year-on-year -17.46% -12.50%  
90% offered a hourly rate of more than £8.82 £9.12 £10.88
10% offered a hourly rate of more than £35.90 £21.50 £36.00
UK excluding London median hourly rate £36.00 £39.00 £30.00
% change year-on-year -7.69% +30.00%  

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 24 March 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 hourly rates quoted in IT contractor 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 24 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
Leeds -14 82 £400 -11.11% 34
Bradford -4 7 £575 +27.77%
TDD
Yorkshire

TDD
Top 30 Related IT Skills in West Yorkshire

For the 6 months to 24 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 West Yorkshire region with a requirement for TDD.

1 154 (83.70%) Agile Software Development
2 100 (54.35%) Java
3 81 (44.02%) BDD
4 65 (35.33%) JavaScript
5 52 (28.26%) HTML
5 52 (28.26%) Jenkins
6 50 (27.17%) Scrum
7 44 (23.91%) AngularJS
8 42 (22.83%) Open Source
9 41 (22.28%) Git (software)
9 41 (22.28%) Spring
10 39 (21.20%) CSS
11 37 (20.11%) HTML5
12 36 (19.57%) RESTful
12 36 (19.57%) Continuous Integration
13 35 (19.02%) JIRA
14 34 (18.48%) Scala
14 34 (18.48%) MongoDB
15 33 (17.93%) Python
15 33 (17.93%) REST
15 33 (17.93%) Microservices
16 32 (17.39%) NoSQL
17 31 (16.85%) SQL
17 31 (16.85%) Kanban
18 29 (15.76%) JSON
19 27 (14.67%) C#
19 27 (14.67%) CSS3
19 27 (14.67%) Docker
20 26 (14.13%) MVC
20 26 (14.13%) Selenium

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 26 (14.13%) Confluence
2 8 (4.35%) Mule
3 7 (3.80%) Apache
4 5 (2.72%) Apache Spark
4 5 (2.72%) Mule ESB
4 5 (2.72%) OpenStack
5 4 (2.17%) Elasticsearch
6 3 (1.63%) Apache Solr
6 3 (1.63%) Cloud Foundry
6 3 (1.63%) CMS
6 3 (1.63%) nginx
6 3 (1.63%) Sitecore CMS
7 2 (1.09%) Tomcat
8 1 (0.54%) Adobe Experience Manager
8 1 (0.54%) Tornado
Applications
1 1 (0.54%) MS Excel
Cloud Services
1 12 (6.52%) Amazon AWS
2 11 (5.98%) IaaS
3 8 (4.35%) Google Cloud Platform
3 8 (4.35%) Loggly
3 8 (4.35%) Sumo Logic
4 7 (3.80%) GitHub
5 4 (2.17%) CloudBees
5 4 (2.17%) Microsoft Azure
6 3 (1.63%) OpenShift
6 3 (1.63%) PaaS
6 3 (1.63%) Slack
7 1 (0.54%) Amazon EC2
7 1 (0.54%) SaaS
Communications & Networking
1 9 (4.89%) Internet
2 6 (3.26%) HTTP
3 5 (2.72%) DNS
4 1 (0.54%) BGP
4 1 (0.54%) Cisco Nexus
4 1 (0.54%) DWDM
4 1 (0.54%) EIGRP
4 1 (0.54%) Kerberos
4 1 (0.54%) MPLS
4 1 (0.54%) OpenLDAP
4 1 (0.54%) VLAN
4 1 (0.54%) WAN
Database & Business Intelligence
1 34 (18.48%) MongoDB
2 32 (17.39%) NoSQL
3 24 (13.04%) MySQL
4 22 (11.96%) Relational Database
5 21 (11.41%) Apache Cassandra
6 18 (9.78%) PostgreSQL
7 12 (6.52%) Riak
8 11 (5.98%) SQL Server
9 8 (4.35%) Redis
10 5 (2.72%) Hadoop
10 5 (2.72%) HBase
10 5 (2.72%) RDBMS
10 5 (2.72%) SQL Server 2005
10 5 (2.72%) SQL Server 2008
11 2 (1.09%) Big Data
12 1 (0.54%) Amazon DynamoDB
12 1 (0.54%) CouchDB
Development Applications
1 52 (28.26%) Jenkins
2 41 (22.28%) Git (software)
3 35 (19.02%) JIRA
4 26 (14.13%) Selenium
5 24 (13.04%) Cucumber
6 22 (11.96%) Maven
7 16 (8.70%) JUnit
8 11 (5.98%) WebDriver
9 8 (4.35%) Grunt
9 8 (4.35%) Vagrant
10 7 (3.80%) Jasmine
11 5 (2.72%) Atlassian Bamboo
11 5 (2.72%) SonarQube
11 5 (2.72%) Subversion
12 4 (2.17%) Calabash
12 4 (2.17%) Mockito
13 3 (1.63%) Mocha
13 3 (1.63%) Protractor
13 3 (1.63%) RSpec
14 2 (1.09%) JBehave
General
1 10 (5.43%) Retail
2 9 (4.89%) Telecoms
3 7 (3.80%) Advertising
4 6 (3.26%) Finance
5 4 (2.17%) Games
6 1 (0.54%) Back Office
Job Titles
1 120 (65.22%) Developer
2 39 (21.20%) Java Developer
3 23 (12.50%) Architect
3 23 (12.50%) JavaScript Developer
4 14 (7.61%) Senior Developer
4 14 (7.61%) Technical Architect
5 13 (7.07%) .NET Developer
5 13 (7.07%) PHP Developer
6 12 (6.52%) Agile Developer
7 11 (5.98%) Android Developer
7 11 (5.98%) Senior Java Developer
8 10 (5.43%) Agile Java Developer
8 10 (5.43%) iOS Developer
9 9 (4.89%) Automation Tester
9 9 (4.89%) C# Developer
9 9 (4.89%) Java Architect
9 9 (4.89%) Tester
10 7 (3.80%) Java Engineer
10 7 (3.80%) Software Developer
10 7 (3.80%) Test Engineer
Libraries, Frameworks & Software Standards
1 52 (28.26%) HTML
2 44 (23.91%) AngularJS
3 41 (22.28%) Spring
4 39 (21.20%) CSS
5 37 (20.11%) HTML5
6 36 (19.57%) RESTful
7 33 (17.93%) REST
8 29 (15.76%) JSON
9 27 (14.67%) CSS3
10 23 (12.50%) .NET
11 22 (11.96%) Node.js
12 20 (10.87%) jQuery
13 18 (9.78%) React
14 17 (9.24%) Play Framework
14 17 (9.24%) Web Services
15 16 (8.70%) Django
15 16 (8.70%) SOAP
16 15 (8.15%) RabbitMQ
17 13 (7.07%) Ajax
17 13 (7.07%) ASP.NET Web API
Miscellaneous
1 17 (9.24%) Mobile App
2 12 (6.52%) Algorithms
3 11 (5.98%) User Experience
4 9 (4.89%) Data Structures
4 9 (4.89%) iPhone
5 6 (3.26%) Analytical Skills
5 6 (3.26%) Social Media
6 5 (2.72%) Replication
6 5 (2.72%) Tandem
7 4 (2.17%) RIA
8 3 (1.63%) Enterprise Software
8 3 (1.63%) Wiki
9 2 (1.09%) Computer Science
9 2 (1.09%) Virtual Team
10 1 (0.54%) Animation
10 1 (0.54%) Data Centre
10 1 (0.54%) iPad
10 1 (0.54%) Mainframe
10 1 (0.54%) NHS
10 1 (0.54%) W3C
Operating Systems
1 18 (9.78%) Linux
2 16 (8.70%) Android
3 13 (7.07%) Apple iOS
4 5 (2.72%) CoreOS
5 3 (1.63%) Red Hat Enterprise Linux
6 2 (1.09%) Unix
7 1 (0.54%) Windows
Processes & Methodologies
1 154 (83.70%) Agile Software Development
2 81 (44.02%) BDD
3 50 (27.17%) Scrum
4 42 (22.83%) Open Source
5 36 (19.57%) Continuous Integration
6 33 (17.93%) Microservices
7 31 (16.85%) Kanban
8 26 (14.13%) MVC
9 24 (13.04%) Software Engineering
10 23 (12.50%) Automated Testing
11 21 (11.41%) DevOps
12 20 (10.87%) User Stories
13 16 (8.70%) Android Development
13 16 (8.70%) Front End Development
14 15 (8.15%) Mentoring
14 15 (8.15%) OO
14 15 (8.15%) SOA
14 15 (8.15%) Test Automation
15 14 (7.61%) Configuration Management
15 14 (7.61%) Continuous Improvement
Programming Languages
1 100 (54.35%) Java
2 65 (35.33%) JavaScript
3 34 (18.48%) Scala
4 33 (17.93%) Python
5 31 (16.85%) SQL
6 27 (14.67%) C#
7 26 (14.13%) Ruby
8 25 (13.59%) PHP
9 13 (7.07%) Apple Swift
10 7 (3.80%) Bash Shell
11 6 (3.26%) Go
12 5 (2.72%) C++
13 4 (2.17%) T-SQL
14 3 (1.63%) Objective-C
15 2 (1.09%) Korn
15 2 (1.09%) Shell Script
16 1 (0.54%) C
16 1 (0.54%) ECMAScript
16 1 (0.54%) ES6
Qualifications
1 5 (2.72%) Degree
1 5 (2.72%) Security Cleared
2 2 (1.09%) CTC Cleared
2 2 (1.09%) ISEB
2 2 (1.09%) ISTQB
3 1 (0.54%) BC Cleared
3 1 (0.54%) CCNP
3 1 (0.54%) Cisco Certification
Quality Assurance & Compliance
1 10 (5.43%) QA
2 3 (1.63%) SDET
3 2 (1.09%) FATCA
3 2 (1.09%) WCAG
System Software
1 27 (14.67%) Docker
2 6 (3.26%) VMware Infrastructure
3 5 (2.72%) HDFS
3 5 (2.72%) VirtualBox
4 1 (0.54%) vSphere
Systems Management
1 23 (12.50%) Puppet
2 15 (8.15%) Opscode Chef
3 14 (7.61%) Ansible
4 8 (4.35%) Nagios
4 8 (4.35%) Salt
4 8 (4.35%) ZABBIX
5 5 (2.72%) Kubernetes
Vendors
1 12 (6.52%) Oracle
2 11 (5.98%) Google
2 11 (5.98%) Splunk
3 10 (5.43%) MuleSoft
4 8 (4.35%) New Relic
4 8 (4.35%) Rackspace
4 8 (4.35%) SaltStack
5 6 (3.26%) VMware
6 3 (1.63%) hybris
6 3 (1.63%) Microsoft
6 3 (1.63%) Red Hat
6 3 (1.63%) Sitecore
6 3 (1.63%) Zend
7 2 (1.09%) Solace
8 1 (0.54%) Adobe
8 1 (0.54%) CA Agile Central
8 1 (0.54%) F5
8 1 (0.54%) IBM
8 1 (0.54%) Kony
8 1 (0.54%) Twitter
Leeds, West Yorkshire
The Bridge Ltd
Rate: Unspecified Neg
Posted: 11 hours ago
Leeds
Lawrence Harvey
Rate: £300 - £400 per day
Posted: Yesterday
Leeds, West Yorkshire
Experis Ltd
Rate: £400.00 - £440.00 per day
Posted: Yesterday
Leeds, West Yorkshire
Rullion
Rate: £350 - £390 per day
Posted: 6 days ago
Leeds, West Yorkshire
The Bridge Ltd
Rate: From £400 to £450 per day 4 months likely to extend.
Posted: 6 days ago
Leeds, West Yorkshire
TEKsystems
Rate: £450 - £550 per day
Posted: 6 days ago
Leeds, West Yorkshire
Experis Ltd
Rate: £350 - £440 per day
Posted: 6 days ago