Period
to 24 November 2017

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 6 months to 24 November 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
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 31 10 12
Rank change year-on-year -21 +2 +1
Contract jobs citing TDD 15 1 13
As % of all contract IT jobs advertised in Reigate 5.60% 2.56% 16.67%
As % of the Processes & Methodologies category 6.38% 2.86% 21.67%
Number of daily rates quoted 10 0 13
Reigate median daily rate £458 - £425
10th Percentile £406 - £406
90th Percentile £481 - £438
Surrey median daily rate £488 £450 £413
% change year-on-year +8.33% +9.09% +26.92%
Number of hourly rates quoted 0 0 0
Reigate median hourly rate - - -
Surrey median hourly rate - - £40.00

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

All Process and Methodology Skills
Reigate
Contract vacancies with a requirement for process or methodology skills 235 35 60
As % of all contract IT jobs advertised in Reigate 87.69% 89.74% 76.92%
Number of daily rates quoted 195 26 57
Reigate median daily rate £475 £400 £413
Median daily rate % change year-on-year +18.75% -3.03% +6.45%
10th Percentile £363 £193 £300
90th Percentile £575 £481 £543
Surrey median daily rate £450 £425 £403
% change year-on-year +5.88% +5.59% +7.33%
Number of hourly rates quoted 0 3 0
Reigate median hourly rate - £11.00 -
Surrey median hourly rate £30.00 £27.50 £32.50
% change year-on-year +9.09% -15.38% +5.69%

TDD
Job Vacancy Trend in Reigate

Job postings citing TDD as a percentage of all IT jobs advertised in Reigate.

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 6 months to 24 November 2017.

Contractor daily rate histogram for TDD in Reigate

For the 6 months to 24 November 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 15 (100.00%) Agile Software Development
2 9 (60.00%) Scrum
3 8 (53.33%) C#
3 8 (53.33%) .NET
3 8 (53.33%) Finance
4 7 (46.67%) BDD
5 6 (40.00%) AngularJS
5 6 (40.00%) Greenfield Project
6 5 (33.33%) Twitter Bootstrap
6 5 (33.33%) Web Application Development
6 5 (33.33%) StructureMap
6 5 (33.33%) Entity Framework
6 5 (33.33%) Castle Windsor
6 5 (33.33%) Ninject
6 5 (33.33%) Autofac
6 5 (33.33%) E-Commerce
6 5 (33.33%) SOA
6 5 (33.33%) Oracle
6 5 (33.33%) SQL Server
6 5 (33.33%) HTML
6 5 (33.33%) JavaScript
6 5 (33.33%) CSS
6 5 (33.33%) Dependency Injection
6 5 (33.33%) jQuery
6 5 (33.33%) NHibernate
6 5 (33.33%) .NET Framework
6 5 (33.33%) Continuous Integration
7 4 (26.67%) Selenium
7 4 (26.67%) Web Services
7 4 (26.67%) SQL

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:

Application Platforms
1 1 (6.67%) Elasticsearch
Applications
1 2 (13.33%) Microsoft Office
Cloud Services
1 3 (20.00%) Amazon AWS
2 2 (13.33%) Microsoft Azure
3 1 (6.67%) GitHub
Communications & Networking
1 1 (6.67%) SSH
Database & Business Intelligence
1 5 (33.33%) SQL Server
2 1 (6.67%) Apache Cassandra
2 1 (6.67%) NoSQL
2 1 (6.67%) Redis
Development Applications
1 4 (26.67%) Selenium
2 3 (20.00%) Travis CI
3 2 (13.33%) SpecFlow
3 2 (13.33%) Visual Studio Team System
4 1 (6.67%) Emacs
4 1 (6.67%) Git (software)
General
1 8 (53.33%) Finance
2 2 (13.33%) Financial Institution
Job Titles
1 12 (80.00%) Developer
2 8 (53.33%) .NET Developer
2 8 (53.33%) C# .NET Developer
2 8 (53.33%) C# Developer
3 6 (40.00%) Senior Developer
4 5 (33.33%) Agile .NET Developer
4 5 (33.33%) Agile C# Developer
4 5 (33.33%) Agile Developer
4 5 (33.33%) Senior .NET Developer
4 5 (33.33%) Senior Agile Developer
4 5 (33.33%) Senior C# .NET Developer
4 5 (33.33%) Senior C# Developer
5 2 (13.33%) Azure Developer
5 2 (13.33%) Developer in Test
6 1 (6.67%) C# VB.NET Developer
6 1 (6.67%) DevOps Engineer
6 1 (6.67%) Full Stack Developer
6 1 (6.67%) Graduate C# .NET Developer
6 1 (6.67%) Graduate VB.NET Developer
6 1 (6.67%) Test Automation Developer
Libraries, Frameworks & Software Standards
1 8 (53.33%) .NET
2 6 (40.00%) AngularJS
3 5 (33.33%) .NET Framework
3 5 (33.33%) Autofac
3 5 (33.33%) Castle Windsor
3 5 (33.33%) CSS
3 5 (33.33%) Entity Framework
3 5 (33.33%) HTML
3 5 (33.33%) jQuery
3 5 (33.33%) NHibernate
3 5 (33.33%) Ninject
3 5 (33.33%) StructureMap
3 5 (33.33%) Twitter Bootstrap
4 4 (26.67%) Web Services
5 3 (20.00%) ActiveMQ
5 3 (20.00%) Apache Camel
5 3 (20.00%) JMS
5 3 (20.00%) Kafka
5 3 (20.00%) RabbitMQ
5 3 (20.00%) Spring
Miscellaneous
1 6 (40.00%) Greenfield Project
2 1 (6.67%) Computer Science
Operating Systems
1 1 (6.67%) Linux
Processes & Methodologies
1 15 (100.00%) Agile Software Development
2 9 (60.00%) Scrum
3 7 (46.67%) BDD
4 5 (33.33%) Continuous Integration
4 5 (33.33%) Dependency Injection
4 5 (33.33%) E-Commerce
4 5 (33.33%) SOA
4 5 (33.33%) Web Application Development
5 3 (20.00%) SOLID
5 3 (20.00%) Unit Testing
6 2 (13.33%) DevOps
6 2 (13.33%) Kanban
6 2 (13.33%) Manual Testing
6 2 (13.33%) Microservices
6 2 (13.33%) Scenario Testing
6 2 (13.33%) SDLC
6 2 (13.33%) Software Testing
6 2 (13.33%) Test Automation
6 2 (13.33%) Test Strategy
6 2 (13.33%) User Stories
Programming Languages
1 8 (53.33%) C#
2 5 (33.33%) JavaScript
3 4 (26.67%) SQL
4 3 (20.00%) Java
4 3 (20.00%) VB.NET
5 2 (13.33%) Python
5 2 (13.33%) T-SQL
6 1 (6.67%) Bash Shell
6 1 (6.67%) Go
6 1 (6.67%) Perl
6 1 (6.67%) Ruby
Qualifications
1 3 (20.00%) Degree
2 2 (13.33%) ISTQB
2 2 (13.33%) ISTQB Foundation Certification
3 1 (6.67%) Computer Science Degree
System Software
1 1 (6.67%) Docker
1 1 (6.67%) zsh
Systems Management
1 1 (6.67%) Ansible
1 1 (6.67%) Kibana
1 1 (6.67%) logstash
1 1 (6.67%) Puppet
1 1 (6.67%) Terraform
Vendors
1 5 (33.33%) Oracle
2 1 (6.67%) Microsoft