The following table provides summary statistics for contract job vacancies advertised in Croydon 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 30 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.

Behaviour-Driven Development (BDD)
London / Croydon
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 20 34 24
Rank change year-on-year +14 -10  
Contract jobs citing BDD 8 4 1
As % of all contract IT jobs advertised in Croydon 4.85% 1.47% 0.84%
As % of the Processes & Methodologies category 5.84% 1.61% 0.95%
Number of daily rates quoted 6 4 0
Median daily rate £450 £438 -
Median daily rate % change year-on-year +2.85% -  
UK excluding London median daily rate £425 £400 £380
% change year-on-year +6.25% +5.26%  
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 Croydon with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Croydon
Contract job vacancies with a requirement for process and methodology skills 137 248 105
As % of all contract IT job vacancies advertised in Croydon 83.03% 91.18% 88.24%
Number of daily rates quoted 88 211 88
Median daily rate £450 £425 £425
Median daily rate % change year-on-year +5.88% -  
90% offered a daily rate of more than £350 £323 £300
10% offered a daily rate of more than £650 £550 £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 1
Median hourly rate - £21.00 £40.00
Median hourly rate % change year-on-year - -47.50%  
UK excluding London median hourly rate £35.75 £38.00 £30.00
% change year-on-year -5.92% +26.66%  

BDD
Job Vacancy Trend in Croydon

The job posting trend of jobs advertised in Croydon 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 Croydon

BDD
Contractor Daily Rate Trend in Croydon

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

Contractor daily rate trend for BDD in Croydon

For the 6 months to 30 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 Croydon region with a requirement for BDD.

1 18 (94.74%) Agile Software Development
2 16 (84.21%) TDD
3 10 (52.63%) Java
4 8 (42.11%) Web Services
4 8 (42.11%) SC Cleared
4 8 (42.11%) Security Cleared
4 8 (42.11%) RESTful
5 6 (31.58%) Cucumber
5 6 (31.58%) Pair Programming
6 5 (26.32%) REST
7 4 (21.05%) Kanban
7 4 (21.05%) QA
7 4 (21.05%) Scrum
7 4 (21.05%) GitHub
7 4 (21.05%) User Stories
8 3 (15.79%) Gradle
8 3 (15.79%) AngularJS
8 3 (15.79%) Relational Database
8 3 (15.79%) User Experience
8 3 (15.79%) Docker
8 3 (15.79%) DevOps
8 3 (15.79%) Spring Boot
8 3 (15.79%) Service Design
8 3 (15.79%) CMS
8 3 (15.79%) Hibernate
8 3 (15.79%) MVC
8 3 (15.79%) Finance
8 3 (15.79%) Spring
8 3 (15.79%) OO
8 3 (15.79%) Spring MVC

BDD
Co-occurring IT Skills in Croydon 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 (15.79%) CMS
2 1 (5.26%) Elasticsearch
2 1 (5.26%) EPiServer
Applications
1 1 (5.26%) MS Visio
Cloud Services
1 4 (21.05%) GitHub
Database & Business Intelligence
1 3 (15.79%) Relational Database
2 1 (5.26%) Big Data
Development Applications
1 6 (31.58%) Cucumber
2 3 (15.79%) Gradle
2 3 (15.79%) JIRA
3 2 (10.53%) FitNesse
3 2 (10.53%) Git (software)
3 2 (10.53%) Grunt
3 2 (10.53%) gulp
3 2 (10.53%) JUnit
3 2 (10.53%) Karma Test Runner
3 2 (10.53%) NUnit
3 2 (10.53%) Protractor
3 2 (10.53%) RSpec
3 2 (10.53%) Selenium
4 1 (5.26%) Bower
4 1 (5.26%) Hudson
4 1 (5.26%) Jasmine
4 1 (5.26%) Jenkins
General
1 3 (15.79%) Finance
2 2 (10.53%) Legal
Job Titles
1 11 (57.89%) Developer
2 4 (21.05%) Java Developer
3 3 (15.79%) Analyst
3 3 (15.79%) Business Analyst
3 3 (15.79%) Developer in Test
3 3 (15.79%) Technical Leader
4 2 (10.53%) Agile Business Analyst
4 2 (10.53%) Angular Developer
4 2 (10.53%) Scala Developer
4 2 (10.53%) Software Developer
5 1 (5.26%) Agile Coach
5 1 (5.26%) Automation Tester
5 1 (5.26%) Front End Developer (Client-Side Developer)
5 1 (5.26%) JavaScript Developer
5 1 (5.26%) Node.js Developer
5 1 (5.26%) SC Cleared Business Analyst
5 1 (5.26%) Selenium Tester
5 1 (5.26%) Tester
5 1 (5.26%) Web Automation Tester
5 1 (5.26%) Web Tester
Libraries, Frameworks & Software Standards
1 8 (42.11%) RESTful
1 8 (42.11%) Web Services
2 5 (26.32%) REST
3 3 (15.79%) AngularJS
3 3 (15.79%) Hibernate
3 3 (15.79%) Spring
3 3 (15.79%) Spring Boot
3 3 (15.79%) Spring MVC
4 2 (10.53%) Apache CXF
4 2 (10.53%) CSS
4 2 (10.53%) CSS3
4 2 (10.53%) HTML
4 2 (10.53%) HTML5
4 2 (10.53%) jBPM
4 2 (10.53%) Play Framework
4 2 (10.53%) SOAP
5 1 (5.26%) Backbone.js
5 1 (5.26%) Ember.js
5 1 (5.26%) Kafka
5 1 (5.26%) Semantic HTML
Miscellaneous
1 3 (15.79%) User Experience
2 2 (10.53%) Data Structures
Processes & Methodologies
1 18 (94.74%) Agile Software Development
2 16 (84.21%) TDD
3 6 (31.58%) Pair Programming
4 4 (21.05%) Kanban
4 4 (21.05%) Scrum
4 4 (21.05%) User Stories
5 3 (15.79%) Continuous Integration
5 3 (15.79%) DevOps
5 3 (15.79%) Domain-Driven Design
5 3 (15.79%) MVC
5 3 (15.79%) OO
5 3 (15.79%) Service Design
6 2 (10.53%) Automation Testing
6 2 (10.53%) Build Automation
6 2 (10.53%) Continuous Delivery
6 2 (10.53%) Microservices
6 2 (10.53%) Open Source
6 2 (10.53%) Refactoring
6 2 (10.53%) Test Automation
7 1 (5.26%) Cybersecurity
Programming Languages
1 10 (52.63%) Java
2 2 (10.53%) JavaScript
2 2 (10.53%) Scala
3 1 (5.26%) ES6
Qualifications
1 8 (42.11%) SC Cleared
1 8 (42.11%) Security Cleared
2 1 (5.26%) BPSS Clearance
Quality Assurance & Compliance
1 4 (21.05%) QA
2 2 (10.53%) SDET
3 1 (5.26%) Disclosure Scotland
System Software
1 3 (15.79%) Docker
Vendors
1 1 (5.26%) Microsoft