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 4 May 2016 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
4 May 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 7 27 36
Rank change year-on-year
+20 +9
Contract jobs citing TDD 246 122 78
As % of all contract IT jobs located in West Yorkshire 12.15% 6.10% 4.42%
As % of the Processes & Methodologies category 14.48% 7.13% 5.56%
Number of daily rates quoted 182 80 64
Median daily rate £450 £400 £320
Median daily rate % change year-on-year
+12.50% +25.00%
90% offered a daily rate of more than £370 £325 £278
10% offered a daily rate of more than £514 £450 £450
UK excluding London median daily rate £400 £385 £375
% change year-on-year
+3.89% +2.66%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £42.75 £42.50 £43.75
% change year-on-year
+0.58% -2.85%
TDD
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 West Yorkshire region.

Processes & Methodologies Category
West Yorkshire
Contract IT job ads with a match in the
Processes & Methodologies category
1699 1711 1403
As % of all contract IT jobs located in West Yorkshire 83.94% 85.55% 79.58%
Number of daily rates quoted 1197 1106 968
Median daily rate £425 £375 £350
Median daily rate % change year-on-year
+13.33% +7.14%
90% offered a daily rate of more than £313 £260 £225
10% offered a daily rate of more than £550 £475 £450
UK excluding London median daily rate £400 £388 £375
% change year-on-year
+3.22% +3.33%
Number of hourly rates quoted 31 35 19
Median hourly rate £12.50 £17.69 £19.00
Median hourly rate % change year-on-year
-29.32% -6.90%
90% offered a hourly rate of more than £9.00 £9.85 £15.10
10% offered a hourly rate of more than £20.90 £35.50 £110.00
UK excluding London median hourly rate £36.00 £30.50 £31.00
% change year-on-year
+18.03% -1.61%

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 4 May 2016.

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 4 May 2016. 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
(Click see detailed
statistics and trends)
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 +14 238 £450 +12.50% 53
Bradford +31 18 £450 +28.57% 2
TDD
Yorkshire

TDD
Top 30 Related IT Skills in West Yorkshire

For the 6 months to 4 May 2016, 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.

1 306 (82.04%) Agile Software Development
2 221 (59.25%) Java
3 140 (37.53%) Spring
4 103 (27.61%) Scrum
5 102 (27.35%) JavaScript
6 100 (26.81%) BDD
7 86 (23.06%) HTML
8 80 (21.45%) RESTful
9 74 (19.84%) CSS
10 68 (18.23%) Git (software)
10 68 (18.23%) Continuous Integration
11 65 (17.43%) Linux
12 64 (17.16%) Hibernate
13 59 (15.82%) REST
14 57 (15.28%) MongoDB
15 54 (14.48%) Node.js
16 53 (14.21%) SQL Server
17 49 (13.14%) .NET
17 49 (13.14%) Software Engineering
17 49 (13.14%) AngularJS
18 46 (12.33%) C#
19 43 (11.53%) MVC
20 42 (11.26%) Maven
20 42 (11.26%) RabbitMQ
21 41 (10.99%) Microservices
21 41 (10.99%) Oracle
22 40 (10.72%) XML
23 39 (10.46%) SOA
24 38 (10.19%) React
24 38 (10.19%) Jenkins

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 54 (14.48%) Node.js
2 24 (6.43%) Apache
3 12 (3.22%) Tomcat
4 6 (1.61%) CMS
5 4 (1.07%) Apache Solr
5 4 (1.07%) Elasticsearch
5 4 (1.07%) Sitecore CMS
6 3 (0.80%) nginx
7 2 (0.54%) Moodle
7 2 (0.54%) Umbraco
8 1 (0.27%) Apache Spark
8 1 (0.27%) Confluence
8 1 (0.27%) JBoss
8 1 (0.27%) Jetty
8 1 (0.27%) Mule ESB
Applications
1 4 (1.07%) MS Excel
Business Applications
1 3 (0.80%) Payment Gateway
Cloud Services
1 10 (2.68%) GitHub
2 6 (1.61%) Microsoft Azure
3 4 (1.07%) Amazon AWS
4 1 (0.27%) IaaS
Communications & Networking
1 24 (6.43%) HTTP
2 8 (2.14%) DNS
3 6 (1.61%) Internet
4 4 (1.07%) Network Security
Database & Business Intelligence
1 57 (15.28%) MongoDB
2 53 (14.21%) SQL Server
3 36 (9.65%) NoSQL
4 27 (7.24%) Apache Cassandra
5 25 (6.70%) MySQL
6 21 (5.63%) Relational Database
7 15 (4.02%) CouchDB
8 11 (2.95%) Redis
9 9 (2.41%) Hazelcast
9 9 (2.41%) Neo4j
10 7 (1.88%) PostgreSQL
10 7 (1.88%) RDBMS
11 4 (1.07%) Amazon DynamoDB
12 3 (0.80%) Oracle Database
12 3 (0.80%) Riak
12 3 (0.80%) SQL Server 2008
12 3 (0.80%) SQL Server 2012
13 2 (0.54%) SQL Server 2014
13 2 (0.54%) SQL Server Integration Services
13 2 (0.54%) SQL Server Reporting Services
Development Applications
1 68 (18.23%) Git (software)
2 42 (11.26%) Maven
3 38 (10.19%) Jenkins
4 34 (9.12%) JUnit
5 27 (7.24%) Selenium
6 26 (6.97%) JIRA
7 23 (6.17%) Mockito
8 18 (4.83%) Cucumber
9 17 (4.56%) Hamcrest
10 15 (4.02%) Jasmine
11 14 (3.75%) WebDriver
12 11 (2.95%) Subversion
13 8 (2.14%) Mercurial
14 7 (1.88%) PHPUnit
15 5 (1.34%) git-flow
15 5 (1.34%) Gradle
16 4 (1.07%) Team Foundation Server
16 4 (1.07%) Xcode
17 3 (0.80%) Sonatype Nexus
17 3 (0.80%) Visual Studio
General
1 35 (9.38%) Retail
2 16 (4.29%) Finance
3 6 (1.61%) Games
3 6 (1.61%) Online Betting
4 3 (0.80%) Publishing
5 1 (0.27%) Advertising
5 1 (0.27%) Interactive Media
5 1 (0.27%) Telecoms
Job Titles
1 285 (76.41%) Developer
2 174 (46.65%) Java Developer
3 80 (21.45%) Senior Developer
4 68 (18.23%) Senior Java Developer
5 61 (16.35%) Agile Developer
6 57 (15.28%) Agile Java Developer
7 32 (8.58%) .NET Developer
8 31 (8.31%) Senior Agile Developer
9 29 (7.77%) Senior Agile Java Developer
10 26 (6.97%) JavaScript Developer
11 22 (5.90%) C# Developer
12 20 (5.36%) C# .NET Developer
13 18 (4.83%) Node.js Developer
14 16 (4.29%) iOS Developer
15 15 (4.02%) Java Engineer
16 14 (3.75%) JavaScript Engineer
16 14 (3.75%) PHP Developer
17 12 (3.22%) C# WCF Developer
17 12 (3.22%) Scala Developer
17 12 (3.22%) WCF Developer
Libraries, Frameworks & Software Standards
1 140 (37.53%) Spring
2 86 (23.06%) HTML
3 80 (21.45%) RESTful
4 74 (19.84%) CSS
5 64 (17.16%) Hibernate
6 59 (15.82%) REST
7 49 (13.14%) .NET
7 49 (13.14%) AngularJS
8 42 (11.26%) RabbitMQ
9 40 (10.72%) XML
10 38 (10.19%) HTML5
10 38 (10.19%) React
11 37 (9.92%) Web Services
12 34 (9.12%) JPA
13 33 (8.85%) Spring Boot
14 26 (6.97%) Apache Camel
15 25 (6.70%) WCF
16 24 (6.43%) ASP.NET
16 24 (6.43%) JSON
17 20 (5.36%) Ember.js
Miscellaneous
1 23 (6.17%) Analytical Skills
2 16 (4.29%) iPad
3 14 (3.75%) Enterprise Software
3 14 (3.75%) iPhone
4 13 (3.49%) Algorithms
4 13 (3.49%) Data Structures
5 12 (3.22%) Animation
5 12 (3.22%) Cryptography
6 11 (2.95%) Mobile App
7 5 (1.34%) Digital Media
7 5 (1.34%) User Experience
8 4 (1.07%) Computer Science
8 4 (1.07%) N-Tier
9 3 (0.80%) e-Learning
10 2 (0.54%) Blog
10 2 (0.54%) Data Extraction
10 2 (0.54%) Data Integration
10 2 (0.54%) RIA
10 2 (0.54%) Social Media
10 2 (0.54%) Wiki
Operating Systems
1 65 (17.43%) Linux
2 32 (8.58%) Windows
3 20 (5.36%) Unix
4 19 (5.09%) Apple iOS
5 15 (4.02%) Mac OS X
6 5 (1.34%) Android
7 2 (0.54%) Red Hat Enterprise Linux
8 1 (0.27%) Mac OS
8 1 (0.27%) Windows Server 2012
Processes & Methodologies
1 306 (82.04%) Agile Software Development
2 103 (27.61%) Scrum
3 100 (26.81%) BDD
4 68 (18.23%) Continuous Integration
5 49 (13.14%) Software Engineering
6 43 (11.53%) MVC
7 41 (10.99%) Microservices
8 39 (10.46%) SOA
9 37 (9.92%) Unit Testing
10 36 (9.65%) Open Source
11 32 (8.58%) OO
12 29 (7.77%) DevOps
13 27 (7.24%) Kanban
14 24 (6.43%) Automated Testing
15 23 (6.17%) Pair Programming
16 22 (5.90%) Coaching
17 21 (5.63%) OOP
18 18 (4.83%) Web Development
19 17 (4.56%) Mentoring
19 17 (4.56%) Test Automation
Programming Languages
1 221 (59.25%) Java
2 102 (27.35%) JavaScript
3 46 (12.33%) C#
4 36 (9.65%) SQL
5 29 (7.77%) Ruby
6 25 (6.70%) Scala
7 21 (5.63%) PHP
8 19 (5.09%) ES6
9 15 (4.02%) ECMAScript
10 14 (3.75%) T-SQL
11 13 (3.49%) Python
12 9 (2.41%) Groovy
13 8 (2.14%) Clojure
13 8 (2.14%) PHP 5
14 7 (1.88%) Bash Shell
14 7 (1.88%) PL/SQL
15 4 (1.07%) Objective-C
15 4 (1.07%) VB.NET
16 2 (0.54%) Apple Swift
16 2 (0.54%) VB
Qualifications
1 7 (1.88%) Security Cleared
2 5 (1.34%) Degree
2 5 (1.34%) ISEB
3 4 (1.07%) BPSS Clearance
4 3 (0.80%) ISTQB Foundation Certification
5 2 (0.54%) ISTQB
6 1 (0.27%) BC Cleared
6 1 (0.27%) SC Cleared
Quality Assurance & Compliance
1 9 (2.41%) Disclosure Scotland
2 8 (2.14%) QA
3 3 (0.80%) SDET
System Software
1 19 (5.09%) Docker
2 1 (0.27%) HDFS
Systems Management
1 29 (7.77%) Puppet
2 4 (1.07%) Opscode Chef
3 1 (0.27%) Ansible
3 1 (0.27%) Capistrano
3 1 (0.27%) Mesos
3 1 (0.27%) Oracle Identity Manager
3 1 (0.27%) Salt
Vendors
1 41 (10.99%) Oracle
2 12 (3.22%) Apple
3 11 (2.95%) Zend
4 10 (2.68%) Sitecore
5 7 (1.88%) Red Hat
6 5 (1.34%) Microsoft
7 3 (0.80%) SaltStack
8 2 (0.54%) EPiServer
9 1 (0.27%) Rackspace
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