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 30 January 2015 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.

Location
3 months to
30 Jan 2015
Same period 2014 Same period 2013
Test-Driven Development (TDD)
Rank 28 40 46
Rank change year-on-year
+12 +6
Contract jobs citing TDD 67 37 21
As % of all contract IT jobs located in Leeds 6.18% 3.89% 2.61%
As % of the Processes & Methodologies category 7.42% 4.82% 3.52%
Number of daily rates quoted 50 19 8
Average daily rate
Keep up to 90%
of your Daily Rate
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£375 £300 £340
Average daily rate % change year-on-year
+25.00% -11.76%
90% offered a daily rate of more than £315 £273 £318
10% offered a daily rate of more than £462 £423 £425
UK excluding London average daily rate £375 £363 £360
% change year-on-year
+3.44% +0.69%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate £37.50 £35.00 £39.00
% change year-on-year
+7.14% -10.25%
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
903 768 597
As % of all contract IT jobs located in Leeds 83.30% 80.76% 74.25%
Number of daily rates quoted 655 467 317
Average daily rate £375 £325 £331
Average daily rate % change year-on-year
+15.38% -1.88%
90% offered a daily rate of more than £265 £250 £210
10% offered a daily rate of more than £550 £450 £425
UK excluding London average daily rate £398 £375 £363
% change year-on-year
+6.00% +3.44%
Number of hourly rates quoted 9 7 15
Average hourly rate £18.00 £16.50 £11.25
Average hourly rate % change year-on-year
+9.09% +46.66%
90% offered a hourly rate of more than £11.75 £12.50 £4.00
10% offered a hourly rate of more than £18.80 £27.00 £65.00
UK excluding London average hourly rate £26.00 £27.50 £31.32
% change year-on-year
-5.45% -12.19%

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 30 January 2015.

TDD Daily Rate Histogram in Leeds

TDD
Top 30 Related IT Skills in Leeds

For the 6 months to 30 January 2015, 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 99 (83.90%) Agile Software Development
2 68 (57.63%) MVC
3 57 (48.31%) C#
4 48 (40.68%) JavaScript
5 45 (38.14%) .NET
6 44 (37.29%) Java
6 44 (37.29%) Continuous Integration
7 43 (36.44%) HTML
8 34 (28.81%) CSS
9 32 (27.12%) ASP.NET
9 32 (27.12%) jQuery
10 30 (25.42%) PHP
10 30 (25.42%) .NET Framework
11 29 (24.58%) Software Engineering
12 28 (23.73%) Ruby
12 28 (23.73%) SQL
13 26 (22.03%) Scrum
13 26 (22.03%) BDD
14 25 (21.19%) Subversion
15 24 (20.34%) Git (software)
16 23 (19.49%) Relational Database
16 23 (19.49%) JSON
17 21 (17.80%) NHibernate
17 21 (17.80%) Hibernate
17 21 (17.80%) Linux
17 21 (17.80%) NoSQL
18 20 (16.95%) ADO.NET Entity Framework
18 20 (16.95%) MongoDB
18 20 (16.95%) Python
18 20 (16.95%) SQL Server

TDD
Top Related IT Skills in Leeds by Category

For the 6 months to 30 January 2015, 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 12 (10.17%) Node.js
2 6 (5.08%) Apache
3 5 (4.24%) Apache ServiceMix
4 3 (2.54%) nginx
4 3 (2.54%) Kentico
4 3 (2.54%) OpenStack
4 3 (2.54%) Tomcat
4 3 (2.54%) CMS
5 2 (1.69%) IIS
5 2 (1.69%) ColdFusion
Applications
1 1 (0.85%) MS Excel
Cloud Services
1 9 (7.63%) Microsoft Azure
2 6 (5.08%) Amazon AWS
3 4 (3.39%) Route 53
3 4 (3.39%) Amazon EC2
3 4 (3.39%) Amazon S3
4 1 (0.85%) Cloud Computing
4 1 (0.85%) Amazon SQS
4 1 (0.85%) Heroku
4 1 (0.85%) SaaS
Communications & Networking
1 10 (8.47%) HTTP
2 5 (4.24%) Firewall
3 3 (2.54%) SSL
3 3 (2.54%) DHCP
3 3 (2.54%) TCP/IP
3 3 (2.54%) DNS
4 2 (1.69%) Intrusion Detection
Database & Business Intelligence
1 23 (19.49%) Relational Database
2 21 (17.80%) NoSQL
3 20 (16.95%) MongoDB
3 20 (16.95%) SQL Server
4 15 (12.71%) MySQL
5 10 (8.47%) Redis
6 9 (7.63%) Couchbase
7 8 (6.78%) SQL Server 2005
7 8 (6.78%) RDBMS
7 8 (6.78%) SQL Server 2008
8 7 (5.93%) SimpleDB
9 5 (4.24%) Pentaho
9 5 (4.24%) RavenDB
9 5 (4.24%) Amazon DynamoDB
9 5 (4.24%) PostgreSQL
10 4 (3.39%) Amazon RDS
11 3 (2.54%) Riak
11 3 (2.54%) Neo4j
11 3 (2.54%) SQL Server Integration Services
12 1 (0.85%) CouchDB
Development Applications
1 25 (21.19%) Subversion
2 24 (20.34%) Git (software)
3 19 (16.10%) NUnit
4 14 (11.86%) Cucumber
5 13 (11.02%) Team Foundation Server
5 13 (11.02%) Selenium
6 12 (10.17%) Rhino Mocks
7 6 (5.08%) JUnit
7 6 (5.08%) MSTest
7 6 (5.08%) PHPUnit
8 5 (4.24%) Jenkins
8 5 (4.24%) QUnit
8 5 (4.24%) SpecFlow
8 5 (4.24%) JMeter
9 3 (2.54%) LLBLGen Pro
9 3 (2.54%) Appcelerator Titanium
10 1 (0.85%) Grunt
10 1 (0.85%) Gradle
10 1 (0.85%) Jasmine
10 1 (0.85%) Ant
General
1 4 (3.39%) Finance
1 4 (3.39%) Telecoms
2 3 (2.54%) Back Office
Job Titles
1 82 (69.49%) Developer
2 42 (35.59%) .NET Developer
3 18 (15.25%) Java Developer
4 17 (14.41%) Agile Coach
5 12 (10.17%) Senior Developer
6 10 (8.47%) PHP Developer
7 8 (6.78%) Software Engineer
7 8 (6.78%) Agile .NET Developer
8 6 (5.08%) SQL Developer
9 5 (4.24%) Senior PHP Developer
10 4 (3.39%) DevOps Engineer
11 3 (2.54%) ScrumMaster
11 3 (2.54%) C# .NET Developer
11 3 (2.54%) PHP LAMP Developer
11 3 (2.54%) PHP Zend Developer
11 3 (2.54%) Cloud Software Engineer
11 3 (2.54%) Cloud Engineer
11 3 (2.54%) C# Developer
12 2 (1.69%) Python Developer
12 2 (1.69%) Java Programmer
Libraries, Frameworks & Software Standards
1 45 (38.14%) .NET
2 43 (36.44%) HTML
3 34 (28.81%) CSS
4 32 (27.12%) ASP.NET
4 32 (27.12%) jQuery
5 30 (25.42%) .NET Framework
6 23 (19.49%) JSON
7 21 (17.80%) NHibernate
7 21 (17.80%) Hibernate
8 20 (16.95%) ADO.NET Entity Framework
9 18 (15.25%) REST
10 14 (11.86%) J2EE
10 14 (11.86%) Web Services
10 14 (11.86%) ASP.NET MVC
10 14 (11.86%) ASP.NET Web API
11 13 (11.02%) Twitter Bootstrap
11 13 (11.02%) XML
12 9 (7.63%) Doctrine
12 9 (7.63%) Ajax
13 8 (6.78%) Spring
Miscellaneous
1 8 (6.78%) Client/Server
1 8 (6.78%) Mobile App
2 5 (4.24%) Smartcard
2 5 (4.24%) PKI
3 3 (2.54%) iPhone
3 3 (2.54%) Inversion of Control
4 2 (1.69%) User Experience
4 2 (1.69%) Data Structures
4 2 (1.69%) Algorithms
4 2 (1.69%) Open Source
5 1 (0.85%) Enterprise Software
5 1 (0.85%) NHS
5 1 (0.85%) N-Tier
Operating Systems
1 21 (17.80%) Linux
2 17 (14.41%) Windows
3 12 (10.17%) UNIX
4 10 (8.47%) Android
5 9 (7.63%) Mac OS X
6 8 (6.78%) Windows Mobile
7 5 (4.24%) Apple iOS
7 5 (4.24%) CentOS
7 5 (4.24%) Windows Phone
Processes & Methodologies
1 99 (83.90%) Agile Software Development
2 68 (57.63%) MVC
3 44 (37.29%) Continuous Integration
4 29 (24.58%) Software Engineering
5 26 (22.03%) Scrum
5 26 (22.03%) BDD
6 19 (16.10%) OO
7 18 (15.25%) Test Automation
8 17 (14.41%) ATDD
9 16 (13.56%) Refactoring
9 16 (13.56%) Unit Testing
10 13 (11.02%) Web Development
11 11 (9.32%) Configuration Management
11 11 (9.32%) Web Design
12 10 (8.47%) Responsive Web Design
13 9 (7.63%) User Stories
13 9 (7.63%) DevOps
14 8 (6.78%) Product Management
14 8 (6.78%) Kanban
15 7 (5.93%) Mentoring
Programming Languages
1 57 (48.31%) C#
2 48 (40.68%) JavaScript
3 44 (37.29%) Java
4 30 (25.42%) PHP
5 28 (23.73%) Ruby
5 28 (23.73%) SQL
6 20 (16.95%) Python
7 8 (6.78%) C++
7 8 (6.78%) Bash Shell
8 6 (5.08%) PHP5
9 2 (1.69%) PL/SQL
9 2 (1.69%) Perl
10 1 (0.85%) Scala
Qualifications
1 2 (1.69%) Degree
2 1 (0.85%) PRINCE2 Certification
Quality Assurance & Compliance
1 2 (1.69%) QA
Systems Management
1 11 (9.32%) Puppet
1 11 (9.32%) Opscode Chef
2 8 (6.78%) Salt
3 5 (4.24%) OpenIDM
4 3 (2.54%) HAProxy
4 3 (2.54%) Graphite
Vendors
1 15 (12.71%) Oracle
2 12 (10.17%) Zend
3 11 (9.32%) Microsoft
4 5 (4.24%) Splunk
4 5 (4.24%) Xamarin
4 5 (4.24%) Cisco
4 5 (4.24%) Red Hat
5 3 (2.54%) Sencha
5 3 (2.54%) Appcelerator
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