Period
to 21 November 2017

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 6 months to 21 November 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)
Yorkshire > West Yorkshire
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 17 16 22
Rank change year-on-year -1 +6 +34
Contract jobs citing TDD 245 312 304
As % of all contract IT jobs advertised in West Yorkshire 8.02% 8.73% 6.89%
As % of the Processes & Methodologies category 9.46% 10.12% 8.11%
Number of daily rates quoted 223 263 248
West Yorkshire median daily rate £425 £425 £355
Median daily rate % change year-on-year - +19.63% -5.27%
10th Percentile £350 £313 £269
90th Percentile £538 £538 £475
Yorkshire median daily rate £425 £425 £375
% change year-on-year - +13.33% +5.63%
Number of hourly rates quoted 0 0 0
West Yorkshire median hourly rate - - -
Yorkshire median hourly rate - - -

TDD is in the Processes and Methodologies category. The following 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 or methodology skills.

All Process and Methodology Skills
West Yorkshire
Contract vacancies with a requirement for process or methodology skills 2591 3084 3750
As % of all contract IT jobs advertised in West Yorkshire 84.81% 86.29% 85.03%
Number of daily rates quoted 1787 2026 2579
West Yorkshire median daily rate £400 £400 £375
Median daily rate % change year-on-year - +6.67% +7.14%
10th Percentile £263 £269 £263
90th Percentile £545 £550 £538
Yorkshire median daily rate £400 £400 £375
% change year-on-year - +6.67% +7.14%
Number of hourly rates quoted 67 62 109
West Yorkshire median hourly rate £15.50 £14.50 £15.00
Median hourly rate % change year-on-year +6.90% -3.33% +3.45%
10th Percentile £9.25 £10.20 £9.25
90th Percentile £40.00 £30.63 £40.50
Yorkshire median hourly rate £16.00 £14.81 £14.50
% change year-on-year +8.05% +2.12% -

TDD
Job Vacancy Trend in West Yorkshire

Job postings citing TDD as a percentage of all IT jobs advertised in West Yorkshire.

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 6 months to 21 November 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 contractor hourly rates quoted in IT 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 6 months to 21 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Leeds +1 219 £425 -5.56% 43
Bradford +12 3 £400 -11.11% 7
Halifax +5 1 £455 +7.06% 5
Huddersfield - 1 £325 - 2
Bingley - 1 £450 - 1
TDD
Yorkshire

For the 6 months to 21 November 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.

1 204 (83.27%) Agile Software Development
2 142 (57.96%) Java
3 135 (55.10%) BDD
4 114 (46.53%) JavaScript
5 90 (36.73%) Scrum
6 89 (36.33%) Microservices
7 81 (33.06%) Spring
7 81 (33.06%) Node.js
8 72 (29.39%) Git (software)
9 69 (28.16%) NoSQL
9 69 (28.16%) SQL
10 66 (26.94%) Software Engineering
11 61 (24.90%) MongoDB
12 59 (24.08%) HTML
13 58 (23.67%) Jenkins
14 56 (22.86%) AngularJS
14 56 (22.86%) MySQL
15 54 (22.04%) React
16 53 (21.63%) Hibernate
16 53 (21.63%) Test Automation
17 45 (18.37%) Kanban
17 45 (18.37%) CSS
18 44 (17.96%) .NET
18 44 (17.96%) MVC
19 43 (17.55%) Pair Programming
19 43 (17.55%) Open Source
20 42 (17.14%) JIRA
21 38 (15.51%) Cucumber
22 37 (15.10%) Docker
23 36 (14.69%) REST

TDD
Co-occurring 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 28 (11.43%) Confluence
2 15 (6.12%) Apache Solr
3 12 (4.90%) CMS
3 12 (4.90%) Elasticsearch
4 11 (4.49%) Sitecore CMS
5 8 (3.27%) Tomcat
6 7 (2.86%) WebLogic
7 6 (2.45%) Apache
7 6 (2.45%) Apache Spark
8 5 (2.04%) JBoss
8 5 (2.04%) Jetty
8 5 (2.04%) Tornado
9 1 (0.41%) Cloud Foundry
9 1 (0.41%) Drupal
Applications
1 2 (0.82%) Adobe After Effects
1 2 (0.82%) Adobe Illustrator
1 2 (0.82%) Photoshop
2 1 (0.41%) MS Visio
Cloud Services
1 19 (7.76%) Slack
2 8 (3.27%) Amazon AWS
3 6 (2.45%) GitHub
4 3 (1.22%) Microsoft Azure
4 3 (1.22%) SmartFocus
5 2 (0.82%) IaaS
5 2 (0.82%) PaaS
6 1 (0.41%) CloudBees
6 1 (0.41%) OpenShift
Communications & Networking
1 5 (2.04%) AMQP
1 5 (2.04%) Kerberos
2 2 (0.82%) Firewall
3 1 (0.41%) Internet
Database & Business Intelligence
1 69 (28.16%) NoSQL
2 61 (24.90%) MongoDB
3 56 (22.86%) MySQL
4 32 (13.06%) SQL Server
5 31 (12.65%) Apache Cassandra
5 31 (12.65%) PostgreSQL
6 11 (4.49%) Hadoop
7 9 (3.67%) Big Data
7 9 (3.67%) SQL Server 2008
7 9 (3.67%) SQL Server 2012
8 8 (3.27%) Couchbase
9 6 (2.45%) HBase
9 6 (2.45%) Riak
10 5 (2.04%) Redis
11 3 (1.22%) CouchDB
12 2 (0.82%) Apache Hive
12 2 (0.82%) Oracle Database
13 1 (0.41%) Amazon DynamoDB
13 1 (0.41%) Impala
13 1 (0.41%) Sqoop
Development Applications
1 72 (29.39%) Git (software)
2 58 (23.67%) Jenkins
3 42 (17.14%) JIRA
4 38 (15.51%) Cucumber
5 31 (12.65%) JUnit
6 25 (10.20%) Jasmine
6 25 (10.20%) Maven
7 18 (7.35%) Selenium
8 9 (3.67%) Octopus Deploy
9 8 (3.27%) Karma Test Runner
9 8 (3.27%) WebDriver
10 7 (2.86%) Grunt
10 7 (2.86%) Mockito
11 6 (2.45%) AppVeyor
11 6 (2.45%) CircleCI
11 6 (2.45%) FitNesse
11 6 (2.45%) JBehave
11 6 (2.45%) Mercurial
11 6 (2.45%) Vagrant
12 5 (2.04%) Mocha
General
1 20 (8.16%) Finance
2 8 (3.27%) Games
3 5 (2.04%) Banking
3 5 (2.04%) Electronics
3 5 (2.04%) Manufacturing
3 5 (2.04%) Marketing
3 5 (2.04%) Telecoms
4 4 (1.63%) Retail Banking
Job Titles
1 197 (80.41%) Developer
2 85 (34.69%) Java Developer
3 40 (16.33%) JavaScript Developer
4 35 (14.29%) .NET Developer
5 26 (10.61%) Senior Developer
6 25 (10.20%) Agile Developer
7 24 (9.80%) Software Engineer
8 20 (8.16%) C# .NET Developer
8 20 (8.16%) C# Developer
9 17 (6.94%) Agile Java Developer
9 17 (6.94%) Front End Developer (Client-Side Developer)
9 17 (6.94%) Java Engineer
9 17 (6.94%) Java Software Engineer
9 17 (6.94%) Node.js Developer
10 13 (5.31%) Scala Developer
11 12 (4.90%) Lead Developer
12 11 (4.49%) Full Stack Developer
13 10 (4.08%) ASP.NET MVC Developer
13 10 (4.08%) Senior Java Developer
14 9 (3.67%) HTML Developer
Libraries, Frameworks & Software Standards
1 81 (33.06%) Node.js
1 81 (33.06%) Spring
2 59 (24.08%) HTML
3 56 (22.86%) AngularJS
4 54 (22.04%) React
5 53 (21.63%) Hibernate
6 45 (18.37%) CSS
7 44 (17.96%) .NET
8 36 (14.69%) REST
9 33 (13.47%) RESTful
10 32 (13.06%) ASP.NET
10 32 (13.06%) ASP.NET MVC
11 29 (11.84%) Spring Boot
12 27 (11.02%) HTML5
13 26 (10.61%) CSS3
14 24 (9.80%) ASP.NET Web API
15 16 (6.53%) .NET Framework
15 16 (6.53%) J2EE
15 16 (6.53%) Kafka
16 15 (6.12%) jQuery
Miscellaneous
1 20 (8.16%) Analytical Skills
1 20 (8.16%) User Experience
2 16 (6.53%) Greenfield Project
3 15 (6.12%) Enterprise Software
4 12 (4.90%) Mobile App
5 8 (3.27%) Algorithms
6 4 (1.63%) Media Streaming
7 3 (1.22%) Data Structures
8 2 (0.82%) Computer Science
8 2 (0.82%) Virtual Team
9 1 (0.41%) Chromecast
9 1 (0.41%) IPTV
9 1 (0.41%) Mainframe
9 1 (0.41%) Management Information System
9 1 (0.41%) RIA
9 1 (0.41%) Smartphone
Operating Systems
1 29 (11.84%) Linux
2 23 (9.39%) Red Hat Enterprise Linux
3 15 (6.12%) Android
4 10 (4.08%) Apple iOS
5 4 (1.63%) Unix
Processes & Methodologies
1 204 (83.27%) Agile Software Development
2 135 (55.10%) BDD
3 90 (36.73%) Scrum
4 89 (36.33%) Microservices
5 66 (26.94%) Software Engineering
6 53 (21.63%) Test Automation
7 45 (18.37%) Kanban
8 44 (17.96%) MVC
9 43 (17.55%) Open Source
9 43 (17.55%) Pair Programming
10 33 (13.47%) DevOps
10 33 (13.47%) Front End Development
10 33 (13.47%) SOA
11 30 (12.24%) Continuous Integration
12 24 (9.80%) Mentoring
13 23 (9.39%) Coaching
13 23 (9.39%) OOP
14 21 (8.57%) SDLC
14 21 (8.57%) SFIA
15 20 (8.16%) Integration Testing
Programming Languages
1 142 (57.96%) Java
2 114 (46.53%) JavaScript
3 69 (28.16%) SQL
4 33 (13.47%) C#
5 22 (8.98%) Scala
6 19 (7.76%) PHP
6 19 (7.76%) Python
7 13 (5.31%) T-SQL
8 9 (3.67%) Ruby
9 5 (2.04%) Bash Shell
10 4 (1.63%) ES6
10 4 (1.63%) Kotlin
10 4 (1.63%) PHP 5
10 4 (1.63%) PHP 7
11 3 (1.22%) Groovy
11 3 (1.22%) Perl
12 2 (0.82%) Go
13 1 (0.41%) Apple Swift
13 1 (0.41%) COBOL
13 1 (0.41%) Elixir
Qualifications
1 9 (3.67%) BPSS Clearance
2 4 (1.63%) Degree
3 2 (0.82%) PMI Certification
3 2 (0.82%) PMP
3 2 (0.82%) Security Cleared
4 1 (0.41%) Computer Science Degree
4 1 (0.41%) DV Cleared
4 1 (0.41%) SC Cleared
Quality Assurance & Compliance
1 5 (2.04%) QA
2 2 (0.82%) Disclosure Scotland
2 2 (0.82%) WCAG
System Software
1 37 (15.10%) Docker
2 5 (2.04%) Apache ZooKeeper
2 5 (2.04%) HDFS
3 2 (0.82%) Virtual Machines
4 1 (0.41%) Apache Flume
Systems Management
1 14 (5.71%) Puppet
2 13 (5.31%) Ansible
3 10 (4.08%) Opscode Chef
4 6 (2.45%) Terraform
5 5 (2.04%) Kubernetes
6 1 (0.41%) Cobbler
6 1 (0.41%) Grafana
6 1 (0.41%) Graylog
Vendors
1 33 (13.47%) Oracle
2 16 (6.53%) Red Hat
3 11 (4.49%) Sitecore
4 8 (3.27%) Microsoft
5 7 (2.86%) Xamarin
6 5 (2.04%) SAP
7 3 (1.22%) hybris
8 2 (0.82%) Adobe
8 2 (0.82%) Telerik
9 1 (0.41%) Informatica
9 1 (0.41%) MuleSoft
9 1 (0.41%) Splunk
9 1 (0.41%) Talend