The table below looks at the statistics for TDD skills in IT contracts advertised for the Leeds region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 27 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
27 May 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 5 18 25
Rank change year-on-year
+13 +7
Contract jobs citing TDD 265 125 80
As % of all contract IT jobs located in Leeds 17.15% 8.88% 6.49%
As % of the Processes & Methodologies category 19.92% 10.33% 7.83%
Number of daily rates quoted 199 94 66
Median daily rate £450 £358 £323
Median daily rate % change year-on-year
+25.87% +10.85%
90% offered a daily rate of more than £367 £300 £280
10% offered a daily rate of more than £522 £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 £42.40 £42.50 £52.25
% change year-on-year
-0.24% -18.66%
TDD
West 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 Leeds region.

Processes & Methodologies Category
Leeds
Contract IT job ads with a match in the
Processes & Methodologies category
1330 1210 1022
As % of all contract IT jobs located in Leeds 86.08% 85.94% 82.89%
Number of daily rates quoted 947 872 721
Median daily rate £425 £360 £330
Median daily rate % change year-on-year
+18.05% +9.09%
90% offered a daily rate of more than £315 £265 £220
10% offered a daily rate of more than £550 £500 £450
UK excluding London median daily rate £400 £385 £375
% change year-on-year
+3.89% +2.66%
Number of hourly rates quoted 14 19 17
Median hourly rate £12.10 £17.50 £16.20
Median hourly rate % change year-on-year
-30.85% +8.02%
90% offered a hourly rate of more than £9.00 £13.28 £12.63
10% offered a hourly rate of more than £37.50 £175.00 £110.00
UK excluding London median hourly rate £33.00 £30.00 £30.00
% change year-on-year
+10.00% -

TDD
Jobs Demand Trend in Leeds

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

TDD Jobs Demand Trend in Leeds

TDD
Daily Rate Trend in Leeds

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

TDD Daily Rate Trend in Leeds

TDD
Daily Rate Histogram in Leeds

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the Leeds region over the 3 months to 27 May 2016.

TDD Daily Rate Histogram in Leeds

TDD
Top 30 Related IT Skills in Leeds

For the 6 months to 27 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 Leeds region with a requirement for TDD.

1 333 (84.95%) Agile Software Development
2 239 (60.97%) Java
3 147 (37.50%) Spring
4 126 (32.14%) BDD
5 121 (30.87%) JavaScript
6 114 (29.08%) Scrum
7 90 (22.96%) HTML
7 90 (22.96%) RESTful
8 88 (22.45%) Continuous Integration
9 84 (21.43%) CSS
10 79 (20.15%) Git (software)
11 75 (19.13%) Hibernate
12 71 (18.11%) Node.js
13 69 (17.60%) Linux
14 68 (17.35%) AngularJS
15 66 (16.84%) MongoDB
16 62 (15.82%) REST
17 57 (14.54%) Software Engineering
18 51 (13.01%) Jenkins
18 51 (13.01%) React
19 50 (12.76%) Unit Testing
20 48 (12.24%) Microservices
21 46 (11.73%) OO
22 45 (11.48%) Open Source
23 43 (10.97%) HTML5
24 41 (10.46%) RabbitMQ
25 40 (10.20%) XML
25 40 (10.20%) Oracle
25 40 (10.20%) SQL Server
25 40 (10.20%) Maven

TDD
Top Related IT Skills in Leeds 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 71 (18.11%) Node.js
2 20 (5.10%) Apache
2 20 (5.10%) Tomcat
3 6 (1.53%) CMS
3 6 (1.53%) Elasticsearch
3 6 (1.53%) nginx
4 5 (1.28%) Jetty
5 4 (1.02%) Apache Solr
5 4 (1.02%) Sitecore CMS
6 3 (0.77%) Apache Spark
7 2 (0.51%) Confluence
7 2 (0.51%) Moodle
7 2 (0.51%) Umbraco
8 1 (0.26%) Blackberry Enterprise Server
8 1 (0.26%) Exchange Server 2010
8 1 (0.26%) Exchange Server 2013
8 1 (0.26%) JBoss
8 1 (0.26%) MS Exchange
8 1 (0.26%) OpenCms
8 1 (0.26%) OpenStack
Applications
1 5 (1.28%) MS Excel
Business Applications
1 3 (0.77%) Payment Gateway
2 1 (0.26%) Dynamics CRM
Cloud Services
1 16 (4.08%) GitHub
2 8 (2.04%) Microsoft Azure
3 7 (1.79%) Amazon AWS
4 1 (0.26%) AWS CloudFormation
4 1 (0.26%) Google Apps
4 1 (0.26%) IaaS
4 1 (0.26%) Office 365
Communications & Networking
1 25 (6.38%) HTTP
2 9 (2.30%) DNS
3 6 (1.53%) Internet
4 4 (1.02%) Network Security
5 1 (0.26%) Wireshark
Database & Business Intelligence
1 66 (16.84%) MongoDB
2 40 (10.20%) SQL Server
3 38 (9.69%) NoSQL
4 29 (7.40%) MySQL
5 26 (6.63%) Apache Cassandra
5 26 (6.63%) Relational Database
6 17 (4.34%) CouchDB
7 11 (2.81%) Redis
8 10 (2.55%) PostgreSQL
9 9 (2.30%) Hazelcast
10 8 (2.04%) Neo4j
11 7 (1.79%) RDBMS
12 4 (1.02%) Big Data
13 3 (0.77%) Oracle Database
13 3 (0.77%) SQL Server 2008
14 2 (0.51%) Riak
14 2 (0.51%) SQL Server 2012
14 2 (0.51%) SQL Server 2014
14 2 (0.51%) SQL Server Integration Services
14 2 (0.51%) SQL Server Reporting Services
Development Applications
1 79 (20.15%) Git (software)
2 51 (13.01%) Jenkins
3 40 (10.20%) Maven
4 37 (9.44%) JUnit
5 28 (7.14%) JIRA
5 28 (7.14%) Selenium
6 27 (6.89%) Mockito
7 21 (5.36%) Cucumber
8 20 (5.10%) Jasmine
9 18 (4.59%) Subversion
10 15 (3.83%) Hamcrest
11 13 (3.32%) WebDriver
12 12 (3.06%) Mercurial
13 9 (2.30%) Xcode
14 7 (1.79%) Gradle
14 7 (1.79%) PHPUnit
15 6 (1.53%) git-flow
16 3 (0.77%) Babel
16 3 (0.77%) Sonatype Nexus
16 3 (0.77%) VersionOne
General
1 34 (8.67%) Retail
2 11 (2.81%) Finance
3 6 (1.53%) Games
3 6 (1.53%) Online Betting
4 4 (1.02%) Publishing
5 1 (0.26%) Interactive Media
5 1 (0.26%) Telecoms
Job Titles
1 301 (76.79%) Developer
2 186 (47.45%) Java Developer
3 86 (21.94%) Senior Developer
4 72 (18.37%) Senior Java Developer
5 66 (16.84%) Agile Developer
6 58 (14.80%) Agile Java Developer
7 33 (8.42%) JavaScript Developer
8 29 (7.40%) Senior Agile Developer
9 27 (6.89%) Senior Agile Java Developer
10 24 (6.12%) Node.js Developer
11 20 (5.10%) iOS Developer
12 18 (4.59%) Java Engineer
12 18 (4.59%) Ruby Developer
13 15 (3.83%) JavaScript Engineer
14 14 (3.57%) .NET Developer
14 14 (3.57%) Scala Developer
14 14 (3.57%) Software Engineer
15 13 (3.32%) Digital Developer
15 13 (3.32%) PHP Developer
16 12 (3.06%) Angular Developer
Libraries, Frameworks & Software Standards
1 147 (37.50%) Spring
2 90 (22.96%) HTML
2 90 (22.96%) RESTful
3 84 (21.43%) CSS
4 75 (19.13%) Hibernate
5 68 (17.35%) AngularJS
6 62 (15.82%) REST
7 51 (13.01%) React
8 43 (10.97%) HTML5
9 41 (10.46%) RabbitMQ
10 40 (10.20%) XML
11 35 (8.93%) Web Services
12 34 (8.67%) JPA
13 31 (7.91%) Spring Boot
14 30 (7.65%) .NET
15 28 (7.14%) CSS3
15 28 (7.14%) Ember.js
16 27 (6.89%) JSON
17 23 (5.87%) Apache Camel
18 22 (5.61%) jQuery
Miscellaneous
1 31 (7.91%) Analytical Skills
2 19 (4.85%) iPad
3 17 (4.34%) iPhone
4 16 (4.08%) Mobile App
5 15 (3.83%) Algorithms
5 15 (3.83%) Data Structures
6 14 (3.57%) Enterprise Software
7 12 (3.06%) Animation
7 12 (3.06%) Cryptography
8 11 (2.81%) User Experience
9 5 (1.28%) Digital Media
10 3 (0.77%) Social Media
10 3 (0.77%) Wiki
11 2 (0.51%) Blog
11 2 (0.51%) e-Learning
11 2 (0.51%) N-Tier
11 2 (0.51%) RIA
12 1 (0.26%) Blackberry
12 1 (0.26%) Data Integration
12 1 (0.26%) Replication
Operating Systems
1 69 (17.60%) Linux
2 31 (7.91%) Windows
3 26 (6.63%) Unix
4 21 (5.36%) Apple iOS
5 16 (4.08%) Mac OS X
6 4 (1.02%) Android
7 2 (0.51%) Mac OS
7 2 (0.51%) Red Hat Enterprise Linux
7 2 (0.51%) Windows Server 2012
8 1 (0.26%) Windows 7
8 1 (0.26%) Windows 8
8 1 (0.26%) Windows Server
Processes & Methodologies
1 333 (84.95%) Agile Software Development
2 126 (32.14%) BDD
3 114 (29.08%) Scrum
4 88 (22.45%) Continuous Integration
5 57 (14.54%) Software Engineering
6 50 (12.76%) Unit Testing
7 48 (12.24%) Microservices
8 46 (11.73%) OO
9 45 (11.48%) Open Source
10 37 (9.44%) SOA
11 34 (8.67%) Pair Programming
12 30 (7.65%) MVC
13 29 (7.40%) DevOps
13 29 (7.40%) Kanban
14 28 (7.14%) Automated Testing
15 26 (6.63%) Coaching
16 24 (6.12%) Mentoring
17 21 (5.36%) iOS Development
17 21 (5.36%) OOP
17 21 (5.36%) Regression Testing
Programming Languages
1 239 (60.97%) Java
2 121 (30.87%) JavaScript
3 40 (10.20%) Ruby
4 36 (9.18%) SQL
5 30 (7.65%) C#
6 27 (6.89%) Scala
7 23 (5.87%) ES6
8 21 (5.36%) PHP
9 17 (4.34%) ECMAScript
10 16 (4.08%) Python
11 14 (3.57%) T-SQL
12 12 (3.06%) Groovy
13 9 (2.30%) Clojure
13 9 (2.30%) Objective-C
14 8 (2.04%) Bash Shell
14 8 (2.04%) PHP 5
15 7 (1.79%) PL/SQL
16 3 (0.77%) VB.NET
17 2 (0.51%) C++
17 2 (0.51%) PowerShell
Qualifications
1 9 (2.30%) Security Cleared
2 6 (1.53%) BPSS Clearance
3 3 (0.77%) Degree
3 3 (0.77%) ISTQB
4 2 (0.51%) ISEB
5 1 (0.26%) BC Cleared
5 1 (0.26%) CITP
5 1 (0.26%) SC Cleared
Quality Assurance & Compliance
1 11 (2.81%) Disclosure Scotland
2 8 (2.04%) QA
3 3 (0.77%) SDET
System Software
1 25 (6.38%) Docker
2 6 (1.53%) VMware Infrastructure
3 1 (0.26%) Active Directory
3 1 (0.26%) HDFS
3 1 (0.26%) Microsoft App-V
Systems Management
1 38 (9.69%) Puppet
2 7 (1.79%) Opscode Chef
3 1 (0.26%) Ansible
3 1 (0.26%) Capistrano
3 1 (0.26%) Mesos
3 1 (0.26%) Salt
3 1 (0.26%) SCCM
Vendors
1 40 (10.20%) Oracle
2 13 (3.32%) Apple
3 11 (2.81%) Zend
4 8 (2.04%) Red Hat
4 8 (2.04%) Sitecore
5 6 (1.53%) VMware
6 3 (0.77%) SaltStack
7 2 (0.51%) Cisco
7 2 (0.51%) EMC
7 2 (0.51%) EPiServer
7 2 (0.51%) F5
7 2 (0.51%) Microsoft
7 2 (0.51%) NetApp
8 1 (0.26%) Google
8 1 (0.26%) Rackspace
8 1 (0.26%) Splunk
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