The following table provides summary statistics for contract job vacancies advertised in Reigate with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 3 months to 28 March 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)
Surrey / Reigate
3 months to
28 Mar 2017
Same period 2016 Same period 2015
Rank 5 8 12
Rank change year-on-year +3 +4  
Contract jobs citing TDD 20 2 1
As % of all contract IT jobs advertised in Reigate 47.62% 6.25% 2.44%
As % of the Processes & Methodologies category 47.62% 7.41% 3.13%
Number of daily rates quoted 20 2 1
Median daily rate £425 £363 £420
Median daily rate % change year-on-year +17.24% -13.69%  
UK excluding London median daily rate £405 £400 £375
% change year-on-year +1.12% +6.66%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £39.00 £45.75 £36.00
% change year-on-year -14.75% +27.08%  

TDD is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Reigate with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Reigate
Contract job vacancies with a requirement for process and methodology skills 42 27 32
As % of all contract IT job vacancies advertised in Reigate 100.00% 84.38% 78.05%
Number of daily rates quoted 40 18 24
Median daily rate £425 £425 £420
Median daily rate % change year-on-year - +1.19%  
90% offered a daily rate of more than £325 £196 £300
10% offered a daily rate of more than £463 £525 £500
UK excluding London median daily rate £410 £400 £396
% change year-on-year +2.50% +1.01%  
Number of hourly rates quoted 0 4 0
Median hourly rate - £43.00 -
UK excluding London median hourly rate £36.00 £38.50 £30.20
% change year-on-year -6.49% +27.48%  

TDD
Job Vacancy Trend in Reigate

The job posting trend of jobs advertised in Reigate citing TDD as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for TDD in Reigate

TDD
Contractor Daily Rate Trend in Reigate

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing TDD in Reigate.

Contractor daily rate trend for TDD in Reigate

TDD
Contractor Daily Rate Histogram in Reigate

The daily rate distribution of IT jobs citing TDD in Reigate over the 3 months to 28 March 2017.

Contractor daily rate histogram for TDD in Reigate

For the 6 months to 28 March 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 Reigate region with a requirement for TDD.

1 23 (100.00%) C#
1 23 (100.00%) Agile Software Development
2 18 (78.26%) E-Commerce
3 17 (73.91%) .NET
3 17 (73.91%) AngularJS
4 16 (69.57%) SOA
5 15 (65.22%) Finance
6 11 (47.83%) ASP.NET Web API
6 11 (47.83%) NHibernate
6 11 (47.83%) REST
7 10 (43.48%) Continuous Integration
7 10 (43.48%) Git (software)
7 10 (43.48%) Octopus Deploy
8 9 (39.13%) Scrum
8 9 (39.13%) JavaScript
9 7 (30.43%) Pair Programming
9 7 (30.43%) Analytical Skills
9 7 (30.43%) Twitter Bootstrap
9 7 (30.43%) SDLC
9 7 (30.43%) Web Application Development
10 6 (26.09%) CSS
10 6 (26.09%) HTML
10 6 (26.09%) Oracle
10 6 (26.09%) SQL Server
10 6 (26.09%) Selenium
10 6 (26.09%) jQuery
10 6 (26.09%) .NET Framework
10 6 (26.09%) Entity Framework
10 6 (26.09%) Autofac
10 6 (26.09%) Dependency Injection

TDD
Co-occurring IT Skills in Reigate 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:

Database & Business Intelligence
1 6 (26.09%) SQL Server
Development Applications
1 10 (43.48%) Git (software)
1 10 (43.48%) Octopus Deploy
2 6 (26.09%) Selenium
3 3 (13.04%) WebDriver
4 2 (8.70%) Protractor
4 2 (8.70%) Team Foundation Server
4 2 (8.70%) TeamCity
4 2 (8.70%) Visual Studio
5 1 (4.35%) MSTest
5 1 (4.35%) NUnit
5 1 (4.35%) SpecFlow
General
1 15 (65.22%) Finance
2 4 (17.39%) Banking
Job Titles
1 17 (73.91%) .NET Developer
1 17 (73.91%) Developer
2 12 (52.17%) C# .NET Developer
2 12 (52.17%) C# Developer
3 6 (26.09%) Agile .NET Developer
3 6 (26.09%) Agile C# Developer
3 6 (26.09%) Agile Developer
3 6 (26.09%) Full Stack Developer
3 6 (26.09%) Senior .NET Developer
3 6 (26.09%) Senior Developer
4 5 (21.74%) Senior Agile Developer
4 5 (21.74%) Senior C# .NET Developer
4 5 (21.74%) Senior C# Developer
5 4 (17.39%) Analyst
5 4 (17.39%) Test Analyst
6 3 (13.04%) Automation Test Analyst
6 3 (13.04%) Senior Full Stack Developer
7 2 (8.70%) Manual Test Analyst
7 2 (8.70%) Selenium Test Analyst
7 2 (8.70%) Tester
Libraries, Frameworks & Software Standards
1 17 (73.91%) .NET
1 17 (73.91%) AngularJS
2 11 (47.83%) ASP.NET Web API
2 11 (47.83%) NHibernate
2 11 (47.83%) REST
3 7 (30.43%) Twitter Bootstrap
4 6 (26.09%) .NET Framework
4 6 (26.09%) Autofac
4 6 (26.09%) CSS
4 6 (26.09%) Entity Framework
4 6 (26.09%) HTML
4 6 (26.09%) jQuery
5 5 (21.74%) Castle Windsor
5 5 (21.74%) Ninject
5 5 (21.74%) StructureMap
Miscellaneous
1 7 (30.43%) Analytical Skills
Processes & Methodologies
1 23 (100.00%) Agile Software Development
2 18 (78.26%) E-Commerce
3 16 (69.57%) SOA
4 10 (43.48%) Continuous Integration
5 9 (39.13%) Scrum
6 7 (30.43%) Pair Programming
6 7 (30.43%) SDLC
6 7 (30.43%) Web Application Development
7 6 (26.09%) Dependency Injection
8 5 (21.74%) MVC
8 5 (21.74%) Regression Testing
8 5 (21.74%) Test Strategy
9 4 (17.39%) Performance Testing
9 4 (17.39%) Test Scripting
10 2 (8.70%) Automated Testing
10 2 (8.70%) Software Engineering
11 1 (4.35%) BDD
11 1 (4.35%) CQRS
11 1 (4.35%) Domain-Driven Design
11 1 (4.35%) Web Development
Programming Languages
1 23 (100.00%) C#
2 9 (39.13%) JavaScript
3 4 (17.39%) SQL
Qualifications
1 4 (17.39%) ISTQB
1 4 (17.39%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 2 (8.70%) QA
Systems Management
1 5 (21.74%) HP Quality Center
Vendors
1 6 (26.09%) Oracle
2 4 (17.39%) HP