The table below looks at the statistics for TDD skills in IT contracts advertised for the Leatherhead region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 24 February 2017 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
24 Feb 2017
Same period 2016 Same period 2015
Test-Driven Development (TDD)
Surrey / Leatherhead
Rank 9 22 15
Rank change year-on-year
+13 -7
Contract jobs citing TDD 4 16 1
As % of all contract IT jobs located in Leatherhead 10.81% 9.25% 1.35%
As % of the Processes & Methodologies category 12.50% 11.76% 2.00%
Number of daily rates quoted 4 15 1
Median daily rate £363 £445 £375
Median daily rate % change year-on-year
-18.53% +18.66%
UK excluding London median daily rate £419 £400 £375
% change year-on-year
+4.62% +6.66%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £39.00 £40.00 £34.50
% change year-on-year
-2.50% +15.94%

The following table is for comparison with the above and provides statistics for the entire Processes & Methodologies category in contract jobs advertised in the Leatherhead region.

Processes & Methodologies Category
Leatherhead
Contract IT job ads with a match in the
Processes & Methodologies category
32 136 50
As % of all contract IT jobs located in Leatherhead 86.49% 78.61% 67.57%
Number of daily rates quoted 29 127 38
Median daily rate £403 £450 £450
Median daily rate % change year-on-year
-10.55% -
90% offered a daily rate of more than £329 £375 £375
10% offered a daily rate of more than £608 £550 £650
UK excluding London median daily rate £408 £400 £400
% change year-on-year
+1.87% -
Number of hourly rates quoted 1 0 0
Median hourly rate £37.50 - -
UK excluding London median hourly rate £36.00 £40.00 £27.50
% change year-on-year
-10.00% +45.45%

TDD
Jobs Demand Trend in Leatherhead

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

TDD Jobs Demand Trend in Leatherhead

TDD
Daily Rate Trend in Leatherhead

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

TDD Daily Rate Trend in Leatherhead

TDD
Top 30 Related IT Skills in Leatherhead

For the 6 months to 24 February 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 Leatherhead region with a requirement for TDD.

1 5 (100.00%) C#
1 5 (100.00%) HTML
1 5 (100.00%) .NET
1 5 (100.00%) Web Services
1 5 (100.00%) WCF
1 5 (100.00%) SOLID
2 4 (80.00%) AngularJS
2 4 (80.00%) ASP.NET Web API
2 4 (80.00%) HTML5
2 4 (80.00%) Domain-Driven Design
2 4 (80.00%) REST
2 4 (80.00%) CSS
2 4 (80.00%) SOA
2 4 (80.00%) SQL Server
2 4 (80.00%) JavaScript
3 3 (60.00%) T-SQL
3 3 (60.00%) MSMQ
3 3 (60.00%) Microsoft
3 3 (60.00%) Software Engineering
3 3 (60.00%) Entity Framework
3 3 (60.00%) NServiceBus
3 3 (60.00%) SaaS
3 3 (60.00%) Agile Software Development
3 3 (60.00%) .NET Framework
3 3 (60.00%) Unit Testing
3 3 (60.00%) PowerShell
3 3 (60.00%) JSUnit
3 3 (60.00%) Microsoft Azure
3 3 (60.00%) Performance Tuning
3 3 (60.00%) LESS

TDD
Top Related IT Skills in Leatherhead 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 3 (60.00%) NServiceBus
2 1 (20.00%) IIS
Cloud Services
1 3 (60.00%) Microsoft Azure
1 3 (60.00%) SaaS
2 1 (20.00%) Amazon AWS
2 1 (20.00%) Asana
Database & Business Intelligence
1 4 (80.00%) SQL Server
2 2 (40.00%) Azure SQL Database
3 1 (20.00%) Apache Cassandra
3 1 (20.00%) Couchbase
3 1 (20.00%) CouchDB
3 1 (20.00%) Event Store
3 1 (20.00%) NoSQL
3 1 (20.00%) RavenDB
3 1 (20.00%) Redis
3 1 (20.00%) SQL Server 2005
Development Applications
1 3 (60.00%) JSUnit
2 2 (40.00%) GoCD
3 1 (20.00%) JIRA
3 1 (20.00%) NUnit
3 1 (20.00%) SpecFlow
3 1 (20.00%) TeamCity
General
1 2 (40.00%) Finance
Job Titles
1 5 (100.00%) C# Developer
1 5 (100.00%) Developer
2 4 (80.00%) .NET Developer
2 4 (80.00%) C# .NET Developer
3 2 (40.00%) Angular Developer
3 2 (40.00%) ASP.NET MVC Developer
4 1 (20.00%) .NET Software Developer
4 1 (20.00%) .NET Software Engineer
4 1 (20.00%) ASP.NET Developer
4 1 (20.00%) Azure Developer
4 1 (20.00%) C# ASP.NET Developer
4 1 (20.00%) C# Software Developer
4 1 (20.00%) C# Software Engineer
4 1 (20.00%) Developer/Software Engineer
4 1 (20.00%) Senior .NET Developer
4 1 (20.00%) Senior ASP.NET Developer
4 1 (20.00%) Senior C# .NET Developer
4 1 (20.00%) Senior C# ASP.NET Developer
4 1 (20.00%) Senior C# Developer
4 1 (20.00%) Senior Developer
Libraries, Frameworks & Software Standards
1 5 (100.00%) .NET
1 5 (100.00%) HTML
1 5 (100.00%) WCF
1 5 (100.00%) Web Services
2 4 (80.00%) AngularJS
2 4 (80.00%) ASP.NET Web API
2 4 (80.00%) CSS
2 4 (80.00%) HTML5
2 4 (80.00%) REST
3 3 (60.00%) .NET Framework
3 3 (60.00%) Entity Framework
3 3 (60.00%) LESS
3 3 (60.00%) MSMQ
4 2 (40.00%) ASP.NET
5 1 (20.00%) JSON
5 1 (20.00%) NHibernate
5 1 (20.00%) Ninject
5 1 (20.00%) XHTML
5 1 (20.00%) XML
5 1 (20.00%) XSLT
Miscellaneous
1 1 (20.00%) User Experience
1 1 (20.00%) W3C
Operating Systems
1 1 (20.00%) Windows
1 1 (20.00%) Windows Server
1 1 (20.00%) Windows Server 2012
Processes & Methodologies
1 5 (100.00%) SOLID
2 4 (80.00%) Domain-Driven Design
2 4 (80.00%) SOA
3 3 (60.00%) Agile Software Development
3 3 (60.00%) DevOps
3 3 (60.00%) Performance Tuning
3 3 (60.00%) Software Engineering
3 3 (60.00%) Unit Testing
4 2 (40.00%) Change Management
4 2 (40.00%) MVC
5 1 (20.00%) B2B
5 1 (20.00%) BDD
5 1 (20.00%) Infrastructure Management
5 1 (20.00%) Inversion of Control
Programming Languages
1 5 (100.00%) C#
2 4 (80.00%) JavaScript
3 3 (60.00%) PowerShell
3 3 (60.00%) T-SQL
4 2 (40.00%) SQL
System Software
1 1 (20.00%) Docker
Systems Management
1 1 (20.00%) Opscode Chef
1 1 (20.00%) Puppet
Vendors
1 3 (60.00%) Microsoft