The following table provides summary statistics for contract job vacancies advertised in 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 23 June 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.

Test-Driven Development (TDD)
England / Yorkshire
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 12 12 31
Rank change year-on-year 0 +19  
Contract jobs citing TDD 185 292 159
As % of all contract IT jobs advertised in Yorkshire 9.17% 10.35% 5.42%
As % of the Processes & Methodologies category 10.85% 11.94% 6.46%
Number of daily rates quoted 147 222 127
Median daily rate £420 £430 £350
Median daily rate % change year-on-year -2.32% +22.85%  
90% offered a daily rate of more than £350 £338 £300
10% offered a daily rate of more than £500 £500 £450
UK excluding London median daily rate £420 £413 £375
% change year-on-year +1.81% +10.00%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £41.50 £40.00 £42.50
% change year-on-year +3.75% -5.88%  

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 Yorkshire with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Yorkshire
Contract job vacancies with a requirement for process and methodology skills 1705 2446 2463
As % of all contract IT job vacancies advertised in Yorkshire 84.49% 86.68% 83.98%
Number of daily rates quoted 1120 1705 1719
Median daily rate £413 £425 £365
Median daily rate % change year-on-year -2.94% +16.43%  
90% offered a daily rate of more than £300 £313 £275
10% offered a daily rate of more than £540 £570 £500
UK excluding London median daily rate £415 £400 £383
% change year-on-year +3.75% +4.57%  
Number of hourly rates quoted 48 37 56
Median hourly rate £16.00 £16.90 £16.72
Median hourly rate % change year-on-year -5.31% +1.06%  
90% offered a hourly rate of more than £9.16 £10.76 £10.50
10% offered a hourly rate of more than £28.27 £26.90 £45.00
UK excluding London median hourly rate £33.50 £28.50 £30.00
% change year-on-year +17.54% -5.00%  

TDD
Job Vacancy Trend in Yorkshire

The job posting trend of jobs advertised in 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 Yorkshire

TDD
Contractor Daily Rate Trend in Yorkshire

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

Contractor daily rate trend for TDD in Yorkshire

TDD
Contractor Daily Rate Histogram in Yorkshire

The daily rate distribution of IT jobs citing TDD in Yorkshire over the 3 months to 23 June 2017.

Contractor daily rate histogram for TDD in Yorkshire

TDD
Contractor Hourly Rate Trend in Yorkshire

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

Contractor hourly rate trend for TDD 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 23 June 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
West Yorkshire -2 137 £420 -6.66% 54
South Yorkshire +23 36 £425 +9.67% 11
East Yorkshire - 5 £350 - 4
North Yorkshire +6 1 £300 -33.33% 6
TDD
England

For the 6 months to 23 June 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 Yorkshire region with a requirement for TDD.

1 274 (81.79%) Agile Software Development
2 211 (62.99%) Java
3 152 (45.37%) JavaScript
4 143 (42.69%) BDD
5 111 (33.13%) Git (software)
6 107 (31.94%) CSS
7 93 (27.76%) Linux
8 91 (27.16%) HTML
8 91 (27.16%) Continuous Integration
9 88 (26.27%) Test Automation
10 76 (22.69%) DevOps
11 64 (19.10%) Spring
12 61 (18.21%) SQL
12 61 (18.21%) Python
13 60 (17.91%) Configuration Management
14 59 (17.61%) Scrum
15 57 (17.01%) Front End Development
15 57 (17.01%) REST
16 56 (16.72%) Open Source
17 55 (16.42%) Relational Database
17 55 (16.42%) Web Services
18 54 (16.12%) Unix
18 54 (16.12%) AngularJS
19 52 (15.52%) Node.js
20 51 (15.22%) NoSQL
20 51 (15.22%) Continuous Delivery
21 50 (14.93%) React
21 50 (14.93%) Mac OS X
21 50 (14.93%) Software Engineering
21 50 (14.93%) Web Development

TDD
Co-occurring 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 17 (5.07%) Confluence
2 10 (2.99%) CMS
3 8 (2.39%) Tomcat
4 7 (2.09%) Sitecore CMS
5 5 (1.49%) Apache
5 5 (1.49%) Elasticsearch
6 4 (1.19%) Apache Solr
7 3 (0.90%) Oracle SOA Suite
8 2 (0.60%) Apache Spark
9 1 (0.30%) IIS
9 1 (0.30%) nginx
9 1 (0.30%) OpenStack
Applications
1 2 (0.60%) MS Visio
2 1 (0.30%) Microsoft Excel
Business Applications
1 11 (3.28%) SAP Oil and Gas
Cloud Services
1 11 (3.28%) Slack
2 8 (2.39%) Amazon AWS
3 5 (1.49%) Google Cloud Platform
4 4 (1.19%) IaaS
4 4 (1.19%) Loggly
4 4 (1.19%) Sumo Logic
5 3 (0.90%) Microsoft Azure
6 2 (0.60%) GitHub
7 1 (0.30%) Amazon EC2
7 1 (0.30%) Amazon Kinesis
7 1 (0.30%) SaaS
Communications & Networking
1 23 (6.87%) HTTP
2 10 (2.99%) Firewall
3 7 (2.09%) Internet
4 4 (1.19%) BGP
4 4 (1.19%) EIGRP
5 3 (0.90%) Cisco Nexus
5 3 (0.90%) DWDM
5 3 (0.90%) MPLS
5 3 (0.90%) VLAN
5 3 (0.90%) WAN
6 1 (0.30%) Cisco ASA
6 1 (0.30%) Cisco IOS
6 1 (0.30%) DMVPN
6 1 (0.30%) DNS
6 1 (0.30%) F5 BIG-IP GTM
6 1 (0.30%) F5 BIG-IP LTM
6 1 (0.30%) Intranet
6 1 (0.30%) IOS XR
6 1 (0.30%) SSL
6 1 (0.30%) WLAN
Database & Business Intelligence
1 55 (16.42%) Relational Database
2 51 (15.22%) NoSQL
3 44 (13.13%) MySQL
4 43 (12.84%) MongoDB
5 28 (8.36%) Apache Cassandra
6 24 (7.16%) PostgreSQL
7 23 (6.87%) SQL Server
8 11 (3.28%) CouchDB
9 8 (2.39%) Couchbase
10 6 (1.79%) RDBMS
10 6 (1.79%) SQL Server 2005
10 6 (1.79%) SQL Server 2008
11 5 (1.49%) Riak
12 4 (1.19%) Redis
13 3 (0.90%) Big Data
14 2 (0.60%) Hadoop
15 1 (0.30%) Amazon DynamoDB
15 1 (0.30%) HBase
15 1 (0.30%) SQL Server Reporting Services
Development Applications
1 111 (33.13%) Git (software)
2 47 (14.03%) Jenkins
3 37 (11.04%) JIRA
4 31 (9.25%) Cucumber
5 28 (8.36%) JUnit
6 21 (6.27%) Selenium
7 17 (5.07%) Jasmine
8 15 (4.48%) Maven
9 13 (3.88%) Grunt
10 10 (2.99%) Subversion
11 9 (2.69%) Mockito
12 8 (2.39%) WebDriver
13 6 (1.79%) JBehave
13 6 (1.79%) jMock
14 5 (1.49%) Hudson
14 5 (1.49%) Vagrant
15 4 (1.19%) Karma Test Runner
15 4 (1.19%) Mocha
15 4 (1.19%) Protractor
16 3 (0.90%) TeamCity
General
1 28 (8.36%) Finance
2 21 (6.27%) Telecoms
3 12 (3.58%) Marketing
4 11 (3.28%) Electronics
4 11 (3.28%) Manufacturing
5 6 (1.79%) Retail
6 5 (1.49%) Back Office
7 4 (1.19%) Banking
8 2 (0.60%) Games
9 1 (0.30%) Advertising
9 1 (0.30%) Multimedia
9 1 (0.30%) Publishing
Job Titles
1 258 (77.01%) Developer
2 116 (34.63%) Java Developer
3 47 (14.03%) Front End Developer (Client-Side Developer)
4 43 (12.84%) JavaScript Developer
5 27 (8.06%) .NET Developer
6 21 (6.27%) Architect
7 20 (5.97%) Android Developer
8 19 (5.67%) iOS Developer
8 19 (5.67%) Technical Architect
9 18 (5.37%) Senior Developer
10 17 (5.07%) Front End Java Developer (Client-Side Java Developer)
10 17 (5.07%) Tester
11 16 (4.78%) C# .NET Developer
11 16 (4.78%) C# Developer
11 16 (4.78%) Java Scala Developer
11 16 (4.78%) Scala Developer
12 15 (4.48%) Agile Developer
12 15 (4.48%) Automation Tester
13 14 (4.18%) Java Engineer
13 14 (4.18%) Software Engineer
Libraries, Frameworks & Software Standards
1 107 (31.94%) CSS
2 91 (27.16%) HTML
3 64 (19.10%) Spring
4 57 (17.01%) REST
5 55 (16.42%) Web Services
6 54 (16.12%) AngularJS
7 52 (15.52%) Node.js
8 50 (14.93%) React
9 41 (12.24%) RESTful
10 38 (11.34%) .NET
11 37 (11.04%) HTML5
12 36 (10.75%) ASP.NET
12 36 (10.75%) Hibernate
13 30 (8.96%) ASP.NET MVC
14 28 (8.36%) CSS3
15 25 (7.46%) JSON
16 22 (6.57%) jQuery
17 18 (5.37%) Android SDK
17 18 (5.37%) ASP.NET Web API
18 17 (5.07%) J2EE
Miscellaneous
1 48 (14.33%) User Experience
2 27 (8.06%) Mobile App
3 26 (7.76%) Greenfield Project
4 13 (3.88%) iPhone
5 12 (3.58%) Algorithms
5 12 (3.58%) Data Structures
6 9 (2.69%) Analytical Skills
7 6 (1.79%) Enterprise Software
7 6 (1.79%) Social Media
8 5 (1.49%) RIA
9 4 (1.19%) Data Centre
10 3 (0.90%) iPad
10 3 (0.90%) Mainframe
10 3 (0.90%) Wiki
11 2 (0.60%) Fintech
11 2 (0.60%) Virtual Team
12 1 (0.30%) Apple TV
12 1 (0.30%) Linux Command Line
12 1 (0.30%) Management Information System
12 1 (0.30%) Replication
Operating Systems
1 93 (27.76%) Linux
2 54 (16.12%) Unix
3 50 (14.93%) Mac OS X
4 27 (8.06%) Android
5 21 (6.27%) Apple iOS
6 11 (3.28%) Red Hat Enterprise Linux
7 2 (0.60%) Windows
8 1 (0.30%) CoreOS
8 1 (0.30%) Mac OS
8 1 (0.30%) Ubuntu
Processes & Methodologies
1 274 (81.79%) Agile Software Development
2 143 (42.69%) BDD
3 91 (27.16%) Continuous Integration
4 88 (26.27%) Test Automation
5 76 (22.69%) DevOps
6 60 (17.91%) Configuration Management
7 59 (17.61%) Scrum
8 57 (17.01%) Front End Development
9 56 (16.72%) Open Source
10 51 (15.22%) Continuous Delivery
11 50 (14.93%) Software Engineering
11 50 (14.93%) Web Development
12 49 (14.63%) MVC
13 48 (14.33%) Mentoring
13 48 (14.33%) Microservices
14 38 (11.34%) Kanban
15 37 (11.04%) Line Management
16 34 (10.15%) Prototyping
17 29 (8.66%) Pair Programming
18 27 (8.06%) Android Development
Programming Languages
1 211 (62.99%) Java
2 152 (45.37%) JavaScript
3 61 (18.21%) Python
3 61 (18.21%) SQL
4 43 (12.84%) Ruby
5 38 (11.34%) Scala
6 36 (10.75%) C#
7 21 (6.27%) PHP
8 19 (5.67%) Apple Swift
9 10 (2.99%) Groovy
9 10 (2.99%) Perl
10 9 (2.69%) T-SQL
11 8 (2.39%) Bash Shell
11 8 (2.39%) Objective-C
12 5 (1.49%) Go
13 3 (0.90%) C++
13 3 (0.90%) Shell Script
14 2 (0.60%) ECMAScript
14 2 (0.60%) ES6
15 1 (0.30%) Kotlin
Qualifications
1 26 (7.76%) Security Cleared
2 12 (3.58%) CTC Cleared
2 12 (3.58%) SC Cleared
3 8 (2.39%) BC Cleared
3 8 (2.39%) Degree
4 6 (1.79%) BPSS Clearance
5 4 (1.19%) CCNP
5 4 (1.19%) Cisco Certification
5 4 (1.19%) ISEB
6 2 (0.60%) Computer Science Degree
7 1 (0.30%) DBS Check
Quality Assurance & Compliance
1 16 (4.78%) QA
2 7 (2.09%) Disclosure Scotland
3 1 (0.30%) FATCA
System Software
1 30 (8.96%) Docker
2 2 (0.60%) VMware Infrastructure
3 1 (0.30%) HDFS
3 1 (0.30%) VirtualBox
3 1 (0.30%) vSphere
Systems Management
1 10 (2.99%) Ansible
1 10 (2.99%) Puppet
2 9 (2.69%) Opscode Chef
3 5 (1.49%) Salt
4 4 (1.19%) Nagios
4 4 (1.19%) ZABBIX
5 3 (0.90%) Prometheus
6 2 (0.60%) Kubernetes
7 1 (0.30%) Cisco CUCM
7 1 (0.30%) Cobbler
7 1 (0.30%) FortiGate
7 1 (0.30%) HP Quality Center
7 1 (0.30%) HP UCMDB
7 1 (0.30%) OPNET
Vendors
1 18 (5.37%) Oracle
2 11 (3.28%) SAP
3 9 (2.69%) Microsoft
3 9 (2.69%) Red Hat
4 7 (2.09%) Google
4 7 (2.09%) Sitecore
4 7 (2.09%) Splunk
5 4 (1.19%) F5
5 4 (1.19%) New Relic
5 4 (1.19%) Rackspace
5 4 (1.19%) SaltStack
5 4 (1.19%) Zend
6 3 (0.90%) Apple
6 3 (0.90%) BT
6 3 (0.90%) hybris
7 2 (0.60%) HP
7 2 (0.60%) VMware
8 1 (0.30%) BMC
8 1 (0.30%) Cisco
8 1 (0.30%) IBM
Leeds, West Yorkshire
TEKsystems
Rate: £400 - £450 per day
Posted: 13 hours ago
Leeds, West Yorkshire
Hydrogen Group
Rate: £400.00 - £440.00 per day
Posted: Yesterday
Leeds, West Yorkshire
Experis Ltd
Rate: £400.00 - £450.00 per day
Posted: 2 days ago
Leeds, West Yorkshire
4it Recruitment Ltd
Rate: From £400 to £480 per day 3 Months initially
Posted: Yesterday
Sheffield, South Yorkshire
Brightred Resourcing Limited
Rate: From £300 to £350 per day
Posted: 4 days ago
Leeds, West Yorkshire
Experis Ltd
Rate: £450.00 - £640.00 per day
Posted: Yesterday
Leeds, West Yorkshire
Elevate Direct
Rate: From £630 to £650 per day
Posted: 3 days ago
Leeds, West Yorkshire
Austin Fraser
Rate: £0.00 per day
Posted: 4 days ago