The following table provides summary statistics for contract job vacancies advertised in Cambridge with a requirement for BDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited BDD over the 3 months to 27 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.

3 months to
27 Mar 2017
Same period 2016 Same period 2015
Behaviour-Driven Development (BDD)
Cambridgeshire / Cambridge
Rank 32 38 28
Rank change year-on-year +6 -10  
Contract jobs citing BDD 8 8 10
As % of all contract IT jobs advertised in Cambridge 2.54% 1.96% 3.06%
As % of the Processes & Methodologies category 3.05% 2.39% 4.03%
Number of daily rates quoted 1 7 2
Median daily rate £425 £388 £481
Median daily rate % change year-on-year +9.67% -19.48%  
UK excluding London median daily rate £425 £400 £390
% change year-on-year +6.25% +2.56%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £47.94 £47.25 -
% change year-on-year +1.44% -  

BDD 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 Cambridge with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Cambridge
Contract job vacancies with a requirement for process and methodology skills 262 335 248
As % of all contract IT job vacancies advertised in Cambridge 83.17% 82.11% 75.84%
Number of daily rates quoted 132 209 161
Median daily rate £425 £413 £375
Median daily rate % change year-on-year +3.03% +10.00%  
90% offered a daily rate of more than £225 £288 £225
10% offered a daily rate of more than £525 £525 £538
UK excluding London median daily rate £410 £400 £396
% change year-on-year +2.50% +1.01%  
Number of hourly rates quoted 38 26 15
Median hourly rate £36.75 £37.50 £27.50
Median hourly rate % change year-on-year -2.00% +36.36%  
90% offered a hourly rate of more than £13.00 £17.50 £13.50
10% offered a hourly rate of more than £68.00 £57.50 £43.00
UK excluding London median hourly rate £36.25 £38.50 £30.20
% change year-on-year -5.84% +27.48%  

BDD
Job Vacancy Trend in Cambridge

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

Job vacancy trend for BDD in Cambridge

BDD
Contractor Daily Rate Trend in Cambridge

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

Contractor daily rate trend for BDD in Cambridge

BDD
Top 30 Related IT Skills in Cambridge

For the 6 months to 27 March 2017, IT contractor jobs citing BDD 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 Cambridge region with a requirement for BDD.

1 16 (88.89%) Agile Software Development
2 15 (83.33%) Continuous Integration
3 13 (72.22%) JavaScript
4 12 (66.67%) TDD
5 11 (61.11%) Java
5 11 (61.11%) Git (software)
5 11 (61.11%) Jenkins
6 10 (55.56%) HTML5
6 10 (55.56%) HTML
6 10 (55.56%) Scrum
6 10 (55.56%) jQuery
6 10 (55.56%) Atlassian Bamboo
7 9 (50.00%) Selenium
7 9 (50.00%) Microsoft
7 9 (50.00%) SQL Server
8 8 (44.44%) Cucumber
9 7 (38.89%) AngularJS
9 7 (38.89%) Relational Database
9 7 (38.89%) Oracle
9 7 (38.89%) Web Development
10 6 (33.33%) Subversion
10 6 (33.33%) .NET
10 6 (33.33%) PHP
10 6 (33.33%) C#
10 6 (33.33%) MVC
10 6 (33.33%) Octopus Deploy
10 6 (33.33%) Service Design
10 6 (33.33%) RESTful
10 6 (33.33%) Node.js
10 6 (33.33%) Microsoft Azure

BDD
Top Related IT Skills in Cambridge 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 2 (11.11%) CMS
1 2 (11.11%) SharePoint
1 2 (11.11%) Sitecore CMS
Business Applications
1 4 (22.22%) Payment Gateway
Cloud Services
1 6 (33.33%) Microsoft Azure
Database & Business Intelligence
1 9 (50.00%) SQL Server
2 7 (38.89%) Relational Database
3 4 (22.22%) MongoDB
3 4 (22.22%) NoSQL
3 4 (22.22%) PostgreSQL
4 1 (5.56%) RDBMS
4 1 (5.56%) SQL Server 2008
4 1 (5.56%) SQL Server 2012
Development Applications
1 11 (61.11%) Git (software)
1 11 (61.11%) Jenkins
2 10 (55.56%) Atlassian Bamboo
3 9 (50.00%) Selenium
4 8 (44.44%) Cucumber
5 6 (33.33%) Octopus Deploy
5 6 (33.33%) Subversion
6 5 (27.78%) JUnit
7 4 (22.22%) IntelliJ
7 4 (22.22%) Mercurial
7 4 (22.22%) Mockito
7 4 (22.22%) WebStorm
8 2 (11.11%) Maven
8 2 (11.11%) NUnit
9 1 (5.56%) JBehave
9 1 (5.56%) RSpec
9 1 (5.56%) SpecFlow
9 1 (5.56%) Spock
9 1 (5.56%) WebDriver
General
1 1 (5.56%) Banking
Job Titles
1 15 (83.33%) Developer
2 6 (33.33%) Java Developer
3 5 (27.78%) JavaScript Developer
3 5 (27.78%) PHP Developer
4 4 (22.22%) Web Developer
5 3 (16.67%) PHP Web Developer
5 3 (16.67%) Senior Developer
5 3 (16.67%) Senior JavaScript Developer
5 3 (16.67%) Senior PHP Developer
5 3 (16.67%) Senior PHP Web Developer
5 3 (16.67%) Senior Web Developer
6 2 (11.11%) Analyst
6 2 (11.11%) Full Stack Developer
6 2 (11.11%) SharePoint Developer
6 2 (11.11%) Sitecore Developer
6 2 (11.11%) Test Analyst
7 1 (5.56%) Consultant
7 1 (5.56%) Software Developer
7 1 (5.56%) Software Engineer
7 1 (5.56%) Tester
Libraries, Frameworks & Software Standards
1 10 (55.56%) HTML
1 10 (55.56%) HTML5
1 10 (55.56%) jQuery
2 7 (38.89%) AngularJS
3 6 (33.33%) .NET
3 6 (33.33%) Node.js
3 6 (33.33%) RESTful
4 5 (27.78%) Hibernate
4 5 (27.78%) JPA
4 5 (27.78%) REST
5 4 (22.22%) JSON
5 4 (22.22%) Spring
5 4 (22.22%) XML
5 4 (22.22%) XML Schema
6 2 (11.11%) .NET Framework
7 1 (5.56%) ASP.NET
7 1 (5.56%) ASP.NET MVC
7 1 (5.56%) CSS
7 1 (5.56%) WCF
7 1 (5.56%) WPF
Processes & Methodologies
1 16 (88.89%) Agile Software Development
2 15 (83.33%) Continuous Integration
3 12 (66.67%) TDD
4 10 (55.56%) Scrum
5 7 (38.89%) Web Development
6 6 (33.33%) MVC
6 6 (33.33%) Service Design
7 4 (22.22%) BPMN
7 4 (22.22%) Domain-Driven Design
7 4 (22.22%) Information Security
7 4 (22.22%) OO
7 4 (22.22%) Open Source
8 2 (11.11%) Analytics
8 2 (11.11%) Automation Testing
8 2 (11.11%) Stakeholder Management
9 1 (5.56%) Build Automation
9 1 (5.56%) Continuous Delivery
9 1 (5.56%) Functional Testing
9 1 (5.56%) Inversion of Control
9 1 (5.56%) User Stories
Programming Languages
1 13 (72.22%) JavaScript
2 11 (61.11%) Java
3 6 (33.33%) C#
3 6 (33.33%) PHP
4 5 (27.78%) SQL
5 4 (22.22%) Groovy
5 4 (22.22%) Scala
6 1 (5.56%) C++
6 1 (5.56%) Python
6 1 (5.56%) Ruby
Quality Assurance & Compliance
1 1 (5.56%) QA
System Software
1 1 (5.56%) Docker
Vendors
1 9 (50.00%) Microsoft
2 7 (38.89%) Oracle
3 2 (11.11%) Sitecore