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 25 June 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
25 Jun 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 7 23 34
Rank change year-on-year
+16 +11
Contract jobs citing TDD 265 132 76
As % of all contract IT jobs located in West Yorkshire 13.11% 6.24% 4.36%
As % of the Processes & Methodologies category 15.12% 7.36% 5.37%
Number of daily rates quoted 199 109 60
Median daily rate £450 £338 £325
Median daily rate % change year-on-year
+33.33% +3.84%
90% offered a daily rate of more than £350 £300 £280
10% offered a daily rate of more than £500 £450 £450
UK excluding London median daily rate £413 £375 £375
% change year-on-year
+10.00% -
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £40.00 £43.75 £59.50
% change year-on-year
-8.57% -26.47%
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
1753 1794 1416
As % of all contract IT jobs located in West Yorkshire 86.74% 84.82% 81.15%
Number of daily rates quoted 1212 1285 978
Median daily rate £425 £360 £350
Median daily rate % change year-on-year
+18.05% +2.85%
90% offered a daily rate of more than £317 £275 £228
10% offered a daily rate of more than £550 £500 £475
UK excluding London median daily rate £400 £380 £375
% change year-on-year
+5.26% +1.33%
Number of hourly rates quoted 17 32 22
Median hourly rate £14.50 £35.00 £16.00
Median hourly rate % change year-on-year
-58.57% +118.75%
90% offered a hourly rate of more than £10.20 £11.75 £11.13
10% offered a hourly rate of more than £110.00 £58.00 £110.00
UK excluding London median hourly rate £28.50 £30.00 £29.50
% change year-on-year
-5.00% +1.69%

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 25 June 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 25 June 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 +15 255 £450 +34.32% 42
Bradford +20 15 £450 +28.57%
Halifax - 2 - - 2
TDD
Yorkshire

TDD
Top 30 Related IT Skills in West Yorkshire

For the 6 months to 25 June 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.

1 368 (84.40%) Agile Software Development
2 255 (58.49%) Java
3 153 (35.09%) JavaScript
4 150 (34.40%) Spring
5 144 (33.03%) BDD
6 121 (27.75%) Scrum
7 108 (24.77%) Continuous Integration
8 101 (23.17%) RESTful
9 100 (22.94%) CSS
10 99 (22.71%) HTML
11 88 (20.18%) Git (software)
12 86 (19.72%) Hibernate
13 82 (18.81%) AngularJS
14 80 (18.35%) Node.js
15 70 (16.06%) MongoDB
16 67 (15.37%) React
17 60 (13.76%) REST
18 59 (13.53%) Linux
19 58 (13.30%) Software Engineering
19 58 (13.30%) Jenkins
20 56 (12.84%) OO
21 55 (12.61%) Microservices
22 53 (12.16%) SQL Server
23 52 (11.93%) Pair Programming
24 51 (11.70%) Unit Testing
24 51 (11.70%) Open Source
25 50 (11.47%) HTML5
26 47 (10.78%) SOA
27 46 (10.55%) Ruby
28 44 (10.09%) .NET

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 19 (4.36%) Tomcat
2 13 (2.98%) Apache
3 10 (2.29%) Elasticsearch
4 7 (1.61%) CMS
5 6 (1.38%) Jetty
6 5 (1.15%) Apache Solr
6 5 (1.15%) nginx
6 5 (1.15%) Sitecore CMS
7 3 (0.69%) OpenStack
8 2 (0.46%) Apache Spark
8 2 (0.46%) Confluence
8 2 (0.46%) Moodle
8 2 (0.46%) Umbraco
9 1 (0.23%) Blackberry Enterprise Server
9 1 (0.23%) Exchange Server 2010
9 1 (0.23%) JBoss
9 1 (0.23%) MS Exchange
9 1 (0.23%) Mule ESB
9 1 (0.23%) OpenCms
9 1 (0.23%) WebSphere
Applications
1 7 (1.61%) MS Excel
2 1 (0.23%) Fireworks
2 1 (0.23%) Photoshop
Business Applications
1 2 (0.46%) Payment Gateway
2 1 (0.23%) Dynamics CRM
Cloud Services
1 23 (5.28%) GitHub
2 8 (1.83%) Microsoft Azure
3 7 (1.61%) Amazon AWS
4 1 (0.23%) AWS CloudFormation
4 1 (0.23%) Google Apps
4 1 (0.23%) Office 365
Communications & Networking
1 23 (5.28%) HTTP
2 8 (1.83%) DNS
3 5 (1.15%) Internet
4 4 (0.92%) Network Security
5 1 (0.23%) Wireshark
Database & Business Intelligence
1 70 (16.06%) MongoDB
2 53 (12.16%) SQL Server
3 40 (9.17%) NoSQL
4 24 (5.50%) MySQL
4 24 (5.50%) Relational Database
5 21 (4.82%) Apache Cassandra
6 20 (4.59%) CouchDB
7 9 (2.06%) Neo4j
8 8 (1.83%) Hazelcast
8 8 (1.83%) PostgreSQL
9 7 (1.61%) Redis
10 5 (1.15%) RDBMS
11 4 (0.92%) Oracle Database
12 3 (0.69%) Big Data
12 3 (0.69%) SQL Server 2008
12 3 (0.69%) SQL Server Integration Services
13 2 (0.46%) Riak
13 2 (0.46%) SQL Server 2012
13 2 (0.46%) SQL Server 2014
13 2 (0.46%) SQL Server Reporting Services
Development Applications
1 88 (20.18%) Git (software)
2 58 (13.30%) Jenkins
3 41 (9.40%) Maven
4 36 (8.26%) JUnit
5 32 (7.34%) Selenium
6 28 (6.42%) JIRA
7 27 (6.19%) Jasmine
7 27 (6.19%) Mockito
8 25 (5.73%) Cucumber
9 17 (3.90%) Subversion
10 16 (3.67%) Mercurial
11 13 (2.98%) WebDriver
12 12 (2.75%) Hamcrest
13 9 (2.06%) Xcode
14 8 (1.83%) Gradle
15 7 (1.61%) PHPUnit
16 6 (1.38%) git-flow
17 5 (1.15%) Babel
18 4 (0.92%) SoapUI
18 4 (0.92%) Vagrant
General
1 32 (7.34%) Retail
2 13 (2.98%) Finance
3 6 (1.38%) Games
3 6 (1.38%) Publishing
4 4 (0.92%) Online Betting
5 1 (0.23%) Advertising
5 1 (0.23%) Interactive Media
5 1 (0.23%) Telecoms
Job Titles
1 341 (78.21%) Developer
2 201 (46.10%) Java Developer
3 87 (19.95%) Senior Developer
4 74 (16.97%) Senior Java Developer
5 68 (15.60%) Agile Developer
6 60 (13.76%) Agile Java Developer
7 41 (9.40%) JavaScript Developer
8 28 (6.42%) Node.js Developer
9 27 (6.19%) .NET Developer
9 27 (6.19%) Senior Agile Developer
10 25 (5.73%) Senior Agile Java Developer
11 23 (5.28%) Ruby Developer
12 20 (4.59%) iOS Developer
13 19 (4.36%) Scala Developer
14 17 (3.90%) Java Engineer
15 16 (3.67%) JavaScript Engineer
16 15 (3.44%) C# Developer
16 15 (3.44%) Java Scala Developer
17 14 (3.21%) Angular Developer
17 14 (3.21%) Software Engineer
Libraries, Frameworks & Software Standards
1 150 (34.40%) Spring
2 101 (23.17%) RESTful
3 100 (22.94%) CSS
4 99 (22.71%) HTML
5 86 (19.72%) Hibernate
6 82 (18.81%) AngularJS
7 80 (18.35%) Node.js
8 67 (15.37%) React
9 60 (13.76%) REST
10 50 (11.47%) HTML5
11 44 (10.09%) .NET
12 43 (9.86%) Web Services
13 40 (9.17%) RabbitMQ
14 36 (8.26%) Ember.js
15 34 (7.80%) CSS3
16 33 (7.57%) XML
17 32 (7.34%) JPA
18 28 (6.42%) Spring Boot
19 26 (5.96%) ASP.NET
20 24 (5.50%) JSON
Miscellaneous
1 36 (8.26%) Analytical Skills
2 20 (4.59%) Enterprise Software
3 18 (4.13%) iPad
3 18 (4.13%) Mobile App
4 17 (3.90%) iPhone
5 15 (3.44%) Algorithms
5 15 (3.44%) Data Structures
6 12 (2.75%) Animation
6 12 (2.75%) Cryptography
6 12 (2.75%) User Experience
7 5 (1.15%) Digital Media
8 3 (0.69%) Computer Science
8 3 (0.69%) RIA
8 3 (0.69%) Social Media
8 3 (0.69%) Wiki
9 2 (0.46%) Blog
9 2 (0.46%) e-Learning
9 2 (0.46%) N-Tier
10 1 (0.23%) Blackberry
10 1 (0.23%) Streaming Video
Operating Systems
1 59 (13.53%) Linux
2 30 (6.88%) Windows
3 26 (5.96%) Unix
4 21 (4.82%) Apple iOS
5 14 (3.21%) Mac OS X
6 5 (1.15%) Android
7 1 (0.23%) Mac OS
7 1 (0.23%) Red Hat Enterprise Linux
7 1 (0.23%) Windows 7
7 1 (0.23%) Windows 8
7 1 (0.23%) Windows Server
7 1 (0.23%) Windows Server 2012
Processes & Methodologies
1 368 (84.40%) Agile Software Development
2 144 (33.03%) BDD
3 121 (27.75%) Scrum
4 108 (24.77%) Continuous Integration
5 58 (13.30%) Software Engineering
6 56 (12.84%) OO
7 55 (12.61%) Microservices
8 52 (11.93%) Pair Programming
9 51 (11.70%) Open Source
9 51 (11.70%) Unit Testing
10 47 (10.78%) SOA
11 39 (8.94%) Kanban
12 37 (8.49%) MVC
13 34 (7.80%) Automated Testing
14 28 (6.42%) DevOps
15 26 (5.96%) Coaching
16 25 (5.73%) OOP
17 23 (5.28%) Mentoring
18 22 (5.05%) Web Development
19 21 (4.82%) Regression Testing
Programming Languages
1 255 (58.49%) Java
2 153 (35.09%) JavaScript
3 46 (10.55%) Ruby
4 44 (10.09%) C#
5 40 (9.17%) SQL
6 36 (8.26%) Scala
7 26 (5.96%) ES6
8 19 (4.36%) ECMAScript
8 19 (4.36%) Groovy
8 19 (4.36%) PHP
9 18 (4.13%) Python
10 14 (3.21%) T-SQL
11 13 (2.98%) Clojure
12 9 (2.06%) Bash Shell
12 9 (2.06%) Objective-C
13 8 (1.83%) PHP 5
14 5 (1.15%) PL/SQL
15 3 (0.69%) PowerShell
16 2 (0.46%) C++
16 2 (0.46%) VB.NET
Qualifications
1 7 (1.61%) Security Cleared
2 5 (1.15%) BPSS Clearance
3 3 (0.69%) Degree
3 3 (0.69%) ISTQB
4 2 (0.46%) ISEB
5 1 (0.23%) BC Cleared
5 1 (0.23%) CITP
5 1 (0.23%) SC Cleared
Quality Assurance & Compliance
1 8 (1.83%) Disclosure Scotland
1 8 (1.83%) QA
2 3 (0.69%) SDET
System Software
1 27 (6.19%) Docker
2 13 (2.98%) Virtual Machines
3 7 (1.61%) VMware Infrastructure
4 1 (0.23%) Active Directory
4 1 (0.23%) Microsoft App-V
Systems Management
1 39 (8.94%) Puppet
2 7 (1.61%) Opscode Chef
3 1 (0.23%) Capistrano
3 1 (0.23%) Grafana
3 1 (0.23%) Kibana
3 1 (0.23%) logstash
3 1 (0.23%) Mesos
3 1 (0.23%) Oracle Identity Manager
3 1 (0.23%) SCCM
Vendors
1 39 (8.94%) Oracle
2 13 (2.98%) Apple
3 11 (2.52%) Zend
4 9 (2.06%) Sitecore
5 8 (1.83%) Red Hat
6 7 (1.61%) VMware
7 3 (0.69%) Cisco
7 3 (0.69%) EMC
7 3 (0.69%) F5
7 3 (0.69%) Microsoft
7 3 (0.69%) NetApp
8 2 (0.46%) EPiServer
8 2 (0.46%) SaltStack
8 2 (0.46%) Splunk
9 1 (0.23%) AppDynamics
9 1 (0.23%) Google
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