The table below looks at the statistics for TDD skills in IT contracts advertised for the Yorkshire region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 30 September 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
30 Sep 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 16 26 52
Rank change year-on-year
+10 +26
Contract jobs citing TDD 232 200 76
As % of all contract IT jobs located in Yorkshire 8.09% 6.22% 3.10%
As % of the Processes & Methodologies category 9.92% 7.61% 4.03%
Number of daily rates quoted 188 139 44
Median daily rate £450 £410 £375
Median daily rate % change year-on-year
+9.75% +9.33%
90% offered a daily rate of more than £325 £300 £300
10% offered a daily rate of more than £550 £506 £575
UK excluding London median daily rate £425 £390 £375
% change year-on-year
+8.97% +4.00%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £41.25 £37.45 £35.00
% change year-on-year
+10.14% +7.00%
TDD
England

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

Processes & Methodologies Category
Yorkshire
Contract IT job ads with a match in the
Processes & Methodologies category
2339 2628 1886
As % of all contract IT jobs located in Yorkshire 81.61% 81.77% 76.82%
Number of daily rates quoted 1513 1833 1156
Median daily rate £420 £380 £350
Median daily rate % change year-on-year
+10.52% +8.57%
90% offered a daily rate of more than £300 £275 £230
10% offered a daily rate of more than £525 £525 £500
UK excluding London median daily rate £400 £400 £375
% change year-on-year
- +6.66%
Number of hourly rates quoted 72 81 56
Median hourly rate £15.00 £15.00 £15.39
Median hourly rate % change year-on-year
- -2.50%
90% offered a hourly rate of more than £12.00 £10.66 £11.00
10% offered a hourly rate of more than £40.75 £37.04 £30.00
UK excluding London median hourly rate £32.50 £34.00 £25.75
% change year-on-year
-4.41% +32.03%

TDD
Jobs Demand Trend in Yorkshire

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

TDD Jobs Demand Trend in Yorkshire

TDD
Daily Rate Trend in Yorkshire

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

TDD Daily Rate Trend in Yorkshire

TDD
Daily Rate Histogram in Yorkshire

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the Yorkshire region over the 3 months to 30 September 2016.

TDD Daily Rate Histogram in Yorkshire

TDD
Hourly Rate Trend in Yorkshire

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

TDD Hourly Rate Trend in Yorkshire

TDD
Contract Job Locations in 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 Yorkshire region over the 3 months to 30 September 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
West Yorkshire +7 170 £450 +10.42% 42
South Yorkshire +14 56 £463 -4.14% 11
North Yorkshire 0 4 £331 +1.92% 6
TDD
England

TDD
Top 30 Related IT Skills in Yorkshire

For the 6 months to 30 September 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 Yorkshire region with a requirement for TDD.

1 427 (81.49%) Agile Software Development
2 315 (60.11%) Java
3 198 (37.79%) BDD
4 183 (34.92%) Scrum
5 179 (34.16%) JavaScript
6 160 (30.53%) Spring
7 138 (26.34%) Continuous Integration
8 121 (23.09%) HTML
9 116 (22.14%) CSS
10 111 (21.18%) RESTful
11 100 (19.08%) Git (software)
12 95 (18.13%) Hibernate
13 92 (17.56%) Scala
14 86 (16.41%) AngularJS
15 82 (15.65%) Jenkins
16 81 (15.46%) Microservices
17 80 (15.27%) Pair Programming
18 77 (14.69%) OO
18 77 (14.69%) MongoDB
19 73 (13.93%) Node.js
19 73 (13.93%) Open Source
20 71 (13.55%) Kanban
21 65 (12.40%) Unit Testing
22 63 (12.02%) HTML5
22 63 (12.02%) Software Engineering
23 62 (11.83%) Puppet
24 58 (11.07%) NoSQL
24 58 (11.07%) Ruby
25 57 (10.88%) SOA
26 56 (10.69%) .NET

TDD
Top Related IT Skills in 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 (3.63%) Confluence
1 19 (3.63%) Tomcat
2 14 (2.67%) Elasticsearch
3 12 (2.29%) CMS
4 11 (2.10%) Apache Spark
4 11 (2.10%) nginx
5 7 (1.34%) Jetty
6 5 (0.95%) Sitecore CMS
6 5 (0.95%) WordPress
7 4 (0.76%) Apache
7 4 (0.76%) Apache Solr
7 4 (0.76%) Mule
7 4 (0.76%) Mule ESB
8 3 (0.57%) OpenStack
8 3 (0.57%) WebSphere
9 1 (0.19%) GlassFish
9 1 (0.19%) MS Exchange
9 1 (0.19%) OpenCms
9 1 (0.19%) SharePoint
9 1 (0.19%) WebSphere Process Server
Applications
1 6 (1.15%) MS Excel
2 1 (0.19%) Fireworks
2 1 (0.19%) Photoshop
Business Applications
1 3 (0.57%) Dynamics CRM
2 1 (0.19%) FLEXCUBE
2 1 (0.19%) Oracle BPM
2 1 (0.19%) Temenos T24
2 1 (0.19%) VisionPLUS
Cloud Services
1 36 (6.87%) GitHub
2 24 (4.58%) Amazon AWS
3 23 (4.39%) Microsoft Azure
4 2 (0.38%) Force.com
5 1 (0.19%) AWS CloudFormation
5 1 (0.19%) CloudBees
5 1 (0.19%) Google Apps
5 1 (0.19%) IaaS
5 1 (0.19%) Office 365
5 1 (0.19%) OpenShift
5 1 (0.19%) PaaS
5 1 (0.19%) Slack
Communications & Networking
1 17 (3.24%) HTTP
2 11 (2.10%) VPN
3 9 (1.72%) DNS
4 7 (1.34%) Internet
5 2 (0.38%) Network Security
6 1 (0.19%) OpenLDAP
6 1 (0.19%) SSL
6 1 (0.19%) Wireshark
Database & Business Intelligence
1 77 (14.69%) MongoDB
2 58 (11.07%) NoSQL
3 42 (8.02%) SQL Server
4 30 (5.73%) Relational Database
5 28 (5.34%) MySQL
6 17 (3.24%) Apache Cassandra
7 12 (2.29%) CouchDB
7 12 (2.29%) Hadoop
8 8 (1.53%) PostgreSQL
9 7 (1.34%) Big Data
10 6 (1.15%) RDBMS
10 6 (1.15%) Redis
10 6 (1.15%) SQL Server 2005
10 6 (1.15%) SQL Server 2008
11 5 (0.95%) Hazelcast
11 5 (0.95%) Riak
12 4 (0.76%) Neo4j
13 3 (0.57%) Oracle Database
14 1 (0.19%) Amazon DynamoDB
14 1 (0.19%) DataStage
Development Applications
1 100 (19.08%) Git (software)
2 82 (15.65%) Jenkins
3 56 (10.69%) Selenium
4 54 (10.31%) Maven
5 46 (8.78%) JUnit
6 43 (8.21%) JIRA
7 40 (7.63%) Cucumber
8 23 (4.39%) Mercurial
9 21 (4.01%) Mockito
10 18 (3.44%) Jasmine
11 17 (3.24%) Subversion
12 16 (3.05%) WebDriver
13 13 (2.48%) Gradle
13 13 (2.48%) Team Foundation Server
13 13 (2.48%) Visual Studio
14 9 (1.72%) Xcode
15 8 (1.53%) jMock
15 8 (1.53%) RSpec
16 6 (1.15%) Hamcrest
16 6 (1.15%) Hudson
General
1 19 (3.63%) Retail
2 15 (2.86%) Finance
3 13 (2.48%) Games
4 8 (1.53%) Publishing
5 4 (0.76%) Banking
6 3 (0.57%) Advertising
7 2 (0.38%) Legal
7 2 (0.38%) Marketing
7 2 (0.38%) Online Betting
7 2 (0.38%) Retail Banking
8 1 (0.19%) Billing
Job Titles
1 391 (74.62%) Developer
2 214 (40.84%) Java Developer
3 69 (13.17%) Senior Developer
4 58 (11.07%) Senior Java Developer
5 56 (10.69%) Agile Developer
6 49 (9.35%) Agile Java Developer
7 47 (8.97%) Scala Developer
8 39 (7.44%) JavaScript Developer
9 35 (6.68%) Java Scala Developer
10 30 (5.73%) .NET Developer
11 26 (4.96%) Architect
12 24 (4.58%) Node.js Developer
13 22 (4.20%) Technical Architect
14 20 (3.82%) Angular Developer
14 20 (3.82%) Front End Developer (Client-Side Developer)
14 20 (3.82%) J2EE Developer
14 20 (3.82%) Technical Leader
15 19 (3.63%) Ruby Developer
15 19 (3.63%) Senior Java Scala Developer
15 19 (3.63%) Senior Scala Developer
Libraries, Frameworks & Software Standards
1 160 (30.53%) Spring
2 121 (23.09%) HTML
3 116 (22.14%) CSS
4 111 (21.18%) RESTful
5 95 (18.13%) Hibernate
6 86 (16.41%) AngularJS
7 73 (13.93%) Node.js
8 63 (12.02%) HTML5
9 56 (10.69%) .NET
10 54 (10.31%) React
11 47 (8.97%) Web Services
12 45 (8.59%) REST
13 43 (8.21%) CSS3
14 36 (6.87%) JSON
14 36 (6.87%) RabbitMQ
15 35 (6.68%) XML
16 34 (6.49%) Spring Boot
17 33 (6.30%) ASP.NET
18 30 (5.73%) Ember.js
18 30 (5.73%) J2EE
Miscellaneous
1 54 (10.31%) Analytical Skills
2 23 (4.39%) Enterprise Software
3 21 (4.01%) User Experience
4 19 (3.63%) Mobile App
5 16 (3.05%) iPhone
6 15 (2.86%) iPad
7 12 (2.29%) Algorithms
7 12 (2.29%) Data Structures
8 11 (2.10%) Social Media
9 10 (1.91%) Animation
10 9 (1.72%) Cryptography
10 9 (1.72%) Public Cloud
11 8 (1.53%) Replication
12 6 (1.15%) Tandem
13 5 (0.95%) Computer Science
14 4 (0.76%) Fintech
14 4 (0.76%) RIA
14 4 (0.76%) Statistics
15 2 (0.38%) Digital Media
15 2 (0.38%) N-Tier
Operating Systems
1 46 (8.78%) Linux
2 31 (5.92%) Windows
3 21 (4.01%) Unix
4 20 (3.82%) Apple iOS
5 8 (1.53%) Android
6 7 (1.34%) Mac OS X
7 3 (0.57%) Mac OS
8 1 (0.19%) VMS
8 1 (0.19%) Windows 7
8 1 (0.19%) Windows 8
8 1 (0.19%) Windows Server
8 1 (0.19%) Windows Server 2012
Processes & Methodologies
1 427 (81.49%) Agile Software Development
2 198 (37.79%) BDD
3 183 (34.92%) Scrum
4 138 (26.34%) Continuous Integration
5 81 (15.46%) Microservices
6 80 (15.27%) Pair Programming
7 77 (14.69%) OO
8 73 (13.93%) Open Source
9 71 (13.55%) Kanban
10 65 (12.40%) Unit Testing
11 63 (12.02%) Software Engineering
12 57 (10.88%) SOA
13 51 (9.73%) MVC
14 43 (8.21%) OOP
15 39 (7.44%) Automated Testing
16 37 (7.06%) DevOps
17 35 (6.68%) Coaching
18 33 (6.30%) User Stories
19 32 (6.11%) Mentoring
19 32 (6.11%) Test Automation
Programming Languages
1 315 (60.11%) Java
2 179 (34.16%) JavaScript
3 92 (17.56%) Scala
4 58 (11.07%) Ruby
5 48 (9.16%) C#
6 46 (8.78%) SQL
7 36 (6.87%) Groovy
8 28 (5.34%) Python
9 27 (5.15%) Clojure
10 21 (4.01%) PHP
11 17 (3.24%) PowerShell
12 16 (3.05%) ES6
13 13 (2.48%) T-SQL
14 11 (2.10%) ECMAScript
15 10 (1.91%) Objective-C
16 5 (0.95%) PHP 5
17 4 (0.76%) C
17 4 (0.76%) VB
18 3 (0.57%) Jython
18 3 (0.57%) Shell Script
Qualifications
1 15 (2.86%) Security Cleared
2 11 (2.10%) Degree
3 7 (1.34%) BPSS Clearance
4 3 (0.57%) SC Cleared
5 1 (0.19%) BC Cleared
5 1 (0.19%) CITP
5 1 (0.19%) ISEB
5 1 (0.19%) ISTQB
5 1 (0.19%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 17 (3.24%) QA
2 10 (1.91%) Disclosure Scotland
3 4 (0.76%) WCAG
4 1 (0.19%) PCI DSS
4 1 (0.19%) SDET
System Software
1 34 (6.49%) Docker
2 32 (6.11%) Virtual Machines
3 20 (3.82%) VMware Infrastructure
4 11 (2.10%) Active Directory
5 1 (0.19%) Microsoft App-V
Systems Management
1 62 (11.83%) Puppet
2 29 (5.53%) Opscode Chef
3 12 (2.29%) Ansible
4 2 (0.38%) Kubernetes
5 1 (0.19%) Grafana
5 1 (0.19%) HP Quality Center
5 1 (0.19%) Kibana
5 1 (0.19%) logstash
5 1 (0.19%) SCCM
Vendors
1 24 (4.58%) Oracle
2 22 (4.20%) VMware
3 10 (1.91%) Apple
4 6 (1.15%) MuleSoft
4 6 (1.15%) Splunk
5 5 (0.95%) Cisco
5 5 (0.95%) EMC
5 5 (0.95%) F5
5 5 (0.95%) Microsoft
5 5 (0.95%) NetApp
5 5 (0.95%) Sitecore
5 5 (0.95%) Zend
6 2 (0.38%) HP
6 2 (0.38%) IBM
6 2 (0.38%) Salesforce.com
6 2 (0.38%) SaltStack
7 1 (0.19%) AppDynamics
7 1 (0.19%) Guidewire
7 1 (0.19%) Kony
7 1 (0.19%) Rally
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