The table below looks at the statistics for TDD skills in IT contracts advertised for the Leeds region. Included is a guide to the average contractor rates offered in IT contracts that have cited TDD over the 3 months to 1 May 2016 with a comparison to the same period in 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
1 May 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 5 20 23
Rank change year-on-year
+15 +3
Contract jobs citing TDD 229 112 75
As % of all contract IT jobs located in Leeds 14.66% 8.21% 6.48%
As % of the Processes & Methodologies category 17.18% 9.55% 7.86%
Number of daily rates quoted 169 75 64
Average daily rate £450 £400 £315
Average daily rate % change year-on-year
+12.50% +26.98%
90% offered a daily rate of more than £370 £319 £277
10% offered a daily rate of more than £520 £450 £450
UK excluding London average daily rate £400 £380 £375
% change year-on-year
+5.26% +1.33%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate £42.75 £42.50 £45.00
% change year-on-year
+0.58% -5.55%
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
1333 1173 954
As % of all contract IT jobs located in Leeds 85.34% 86.00% 82.45%
Number of daily rates quoted 959 807 651
Average daily rate £425 £363 £338
Average daily rate % change year-on-year
+17.24% +7.40%
90% offered a daily rate of more than £315 £263 £213
10% offered a daily rate of more than £570 £475 £450
UK excluding London average daily rate £400 £388 £375
% change year-on-year
+3.22% +3.33%
Number of hourly rates quoted 21 13 14
Average hourly rate £12.10 £18.00 £20.00
Average hourly rate % change year-on-year
-32.77% -10.00%
90% offered a hourly rate of more than £10.20 £13.60 £15.92
10% offered a hourly rate of more than £19.07 £26.60 £110.00
UK excluding London average hourly rate £36.00 £30.50 £31.50
% change year-on-year
+18.03% -3.17%

TDD
Jobs Demand Trend in Leeds

This chart provides a 3-month moving total of IT contractor jobs citing TDD across the Leeds region as a proportion of the total demand within 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 1 May 2016.

TDD Daily Rate Histogram in Leeds

TDD
Top 30 Related IT Skills in Leeds

For the 6 months to 1 May 2016, IT contractor jobs across the Leeds region citing TDD also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited TDD.

1 282 (82.94%) Agile Software Development
2 202 (59.41%) Java
3 128 (37.65%) Spring
4 96 (28.24%) Scrum
5 92 (27.06%) BDD
6 90 (26.47%) JavaScript
7 76 (22.35%) HTML
8 70 (20.59%) RESTful
9 65 (19.12%) Continuous Integration
10 63 (18.53%) CSS
10 63 (18.53%) Linux
11 61 (17.94%) Git (software)
12 56 (16.47%) Hibernate
13 54 (15.88%) MongoDB
13 54 (15.88%) Node.js
14 53 (15.59%) REST
15 49 (14.41%) AngularJS
16 43 (12.65%) Software Engineering
17 42 (12.35%) Oracle
18 41 (12.06%) RabbitMQ
19 40 (11.76%) XML
20 38 (11.18%) React
21 36 (10.59%) NoSQL
21 36 (10.59%) SQL Server
21 36 (10.59%) SQL
21 36 (10.59%) Maven
21 36 (10.59%) Unit Testing
21 36 (10.59%) HTML5
22 35 (10.29%) SOA
22 35 (10.29%) Microservices

TDD
Top Related IT Skills in Leeds by Category

For the 6 months to 1 May 2016, IT contractor jobs across the Leeds region citing TDD also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited TDD. Up to 20 skills are shown per category.

Application Platforms
1 54 (15.88%) Node.js
2 24 (7.06%) Apache
3 12 (3.53%) Tomcat
4 6 (1.76%) CMS
5 4 (1.18%) Apache Solr
5 4 (1.18%) Elasticsearch
5 4 (1.18%) Sitecore CMS
6 3 (0.88%) nginx
7 2 (0.59%) Moodle
7 2 (0.59%) Umbraco
8 1 (0.29%) Apache Spark
8 1 (0.29%) Confluence
8 1 (0.29%) JBoss
8 1 (0.29%) Jetty
8 1 (0.29%) Mule ESB
Applications
1 4 (1.18%) MS Excel
Business Applications
1 3 (0.88%) Payment Gateway
Cloud Services
1 9 (2.65%) GitHub
2 6 (1.76%) Microsoft Azure
3 2 (0.59%) Amazon AWS
4 1 (0.29%) IaaS
Communications & Networking
1 22 (6.47%) HTTP
2 8 (2.35%) DNS
3 6 (1.76%) Internet
4 4 (1.18%) Network Security
Database & Business Intelligence
1 54 (15.88%) MongoDB
2 36 (10.59%) NoSQL
2 36 (10.59%) SQL Server
3 26 (7.65%) Apache Cassandra
4 24 (7.06%) MySQL
5 21 (6.18%) Relational Database
6 14 (4.12%) CouchDB
7 12 (3.53%) Redis
8 9 (2.65%) Hazelcast
9 8 (2.35%) Neo4j
10 7 (2.06%) RDBMS
11 5 (1.47%) PostgreSQL
12 4 (1.18%) Riak
13 3 (0.88%) SQL Server 2008
13 3 (0.88%) SQL Server 2012
14 2 (0.59%) Amazon DynamoDB
14 2 (0.59%) Oracle Database
14 2 (0.59%) SQL Server 2014
14 2 (0.59%) SQL Server Integration Services
14 2 (0.59%) SQL Server Reporting Services
Development Applications
1 61 (17.94%) Git (software)
2 36 (10.59%) Maven
3 34 (10.00%) JUnit
4 31 (9.12%) Jenkins
5 24 (7.06%) Selenium
6 23 (6.76%) JIRA
7 22 (6.47%) Mockito
8 17 (5.00%) Hamcrest
9 15 (4.41%) Jasmine
10 13 (3.82%) Cucumber
11 12 (3.53%) WebDriver
12 11 (3.24%) Subversion
13 7 (2.06%) PHPUnit
14 6 (1.76%) Mercurial
15 5 (1.47%) git-flow
16 4 (1.18%) Gradle
16 4 (1.18%) Team Foundation Server
16 4 (1.18%) Xcode
17 3 (0.88%) Sonatype Nexus
17 3 (0.88%) Visual Studio
General
1 33 (9.71%) Retail
2 9 (2.65%) Finance
3 6 (1.76%) Games
3 6 (1.76%) Online Betting
4 4 (1.18%) Publishing
5 1 (0.29%) Interactive Media
5 1 (0.29%) Telecoms
Job Titles
1 253 (74.41%) Developer
2 160 (47.06%) Java Developer
3 72 (21.18%) Senior Developer
4 61 (17.94%) Senior Java Developer
5 57 (16.76%) Agile Developer
6 54 (15.88%) Agile Java Developer
7 29 (8.53%) Senior Agile Developer
8 27 (7.94%) Senior Agile Java Developer
9 26 (7.65%) JavaScript Developer
10 17 (5.00%) Node.js Developer
11 16 (4.71%) iOS Developer
12 15 (4.41%) .NET Developer
12 15 (4.41%) Java Engineer
13 14 (4.12%) JavaScript Engineer
13 14 (4.12%) PHP Developer
14 12 (3.53%) Ruby Developer
14 12 (3.53%) Test Engineer
15 11 (3.24%) LAMP Developer
16 10 (2.94%) PHP LAMP Developer
16 10 (2.94%) Technical Leader
Libraries, Frameworks & Software Standards
1 128 (37.65%) Spring
2 76 (22.35%) HTML
3 70 (20.59%) RESTful
4 63 (18.53%) CSS
5 56 (16.47%) Hibernate
6 53 (15.59%) REST
7 49 (14.41%) AngularJS
8 41 (12.06%) RabbitMQ
9 40 (11.76%) XML
10 38 (11.18%) React
11 36 (10.59%) HTML5
12 33 (9.71%) JPA
13 32 (9.41%) .NET
14 30 (8.82%) Spring Boot
15 27 (7.94%) Apache Camel
16 24 (7.06%) JSON
17 22 (6.47%) Web Services
18 20 (5.88%) jQuery
19 19 (5.59%) Ember.js
20 18 (5.29%) ASP.NET
Miscellaneous
1 23 (6.76%) Analytical Skills
2 16 (4.71%) iPad
3 14 (4.12%) iPhone
4 13 (3.82%) Algorithms
4 13 (3.82%) Data Structures
5 12 (3.53%) Animation
5 12 (3.53%) Cryptography
6 11 (3.24%) Enterprise Software
7 10 (2.94%) Mobile App
8 5 (1.47%) Computer Science
8 5 (1.47%) Digital Media
8 5 (1.47%) N-Tier
8 5 (1.47%) User Experience
9 3 (0.88%) Blog
9 3 (0.88%) e-Learning
10 2 (0.59%) Data Extraction
10 2 (0.59%) Data Integration
10 2 (0.59%) RIA
10 2 (0.59%) Social Media
10 2 (0.59%) Wiki
Operating Systems
1 63 (18.53%) Linux
2 32 (9.41%) Windows
3 20 (5.88%) Apple iOS
4 19 (5.59%) Unix
5 14 (4.12%) Mac OS X
6 6 (1.76%) Android
7 2 (0.59%) Red Hat Enterprise Linux
8 1 (0.29%) Mac OS
8 1 (0.29%) Windows Server 2012
Processes & Methodologies
1 282 (82.94%) Agile Software Development
2 96 (28.24%) Scrum
3 92 (27.06%) BDD
4 65 (19.12%) Continuous Integration
5 43 (12.65%) Software Engineering
6 36 (10.59%) Unit Testing
7 35 (10.29%) Microservices
7 35 (10.29%) SOA
8 34 (10.00%) MVC
8 34 (10.00%) Open Source
9 29 (8.53%) DevOps
9 29 (8.53%) OO
10 25 (7.35%) Automated Testing
11 24 (7.06%) Kanban
12 21 (6.18%) Coaching
13 20 (5.88%) Pair Programming
14 18 (5.29%) Mentoring
14 18 (5.29%) Web Development
15 17 (5.00%) OOP
16 16 (4.71%) Regression Testing
Programming Languages
1 202 (59.41%) Java
2 90 (26.47%) JavaScript
3 36 (10.59%) SQL
4 29 (8.53%) C#
4 29 (8.53%) Ruby
5 21 (6.18%) PHP
6 20 (5.88%) Scala
7 18 (5.29%) ES6
8 14 (4.12%) ECMAScript
8 14 (4.12%) T-SQL
9 12 (3.53%) Python
10 8 (2.35%) PHP 5
11 7 (2.06%) Bash Shell
11 7 (2.06%) Groovy
11 7 (2.06%) PL/SQL
12 6 (1.76%) Clojure
13 4 (1.18%) Objective-C
13 4 (1.18%) VB.NET
14 2 (0.59%) Apple Swift
14 2 (0.59%) VB
Qualifications
1 7 (2.06%) Security Cleared
2 6 (1.76%) Degree
2 6 (1.76%) ISEB
3 4 (1.18%) BPSS Clearance
3 4 (1.18%) ISTQB Foundation Certification
4 2 (0.59%) ISTQB
5 1 (0.29%) BC Cleared
5 1 (0.29%) SC Cleared
Quality Assurance & Compliance
1 9 (2.65%) Disclosure Scotland
2 6 (1.76%) QA
3 3 (0.88%) SDET
System Software
1 15 (4.41%) Docker
2 1 (0.29%) HDFS
Systems Management
1 27 (7.94%) Puppet
2 5 (1.47%) Opscode Chef
3 1 (0.29%) Ansible
3 1 (0.29%) Capistrano
3 1 (0.29%) Mesos
3 1 (0.29%) Salt
Vendors
1 42 (12.35%) Oracle
2 12 (3.53%) Apple
3 11 (3.24%) Zend
4 10 (2.94%) Sitecore
5 7 (2.06%) Red Hat
6 4 (1.18%) Microsoft
6 4 (1.18%) SaltStack
7 2 (0.59%) EPiServer
8 1 (0.29%) Rackspace
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