The following table provides summary statistics for contract job vacancies advertised in Northamptonshire 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 28 June 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)
East Midlands / Northamptonshire
3 months to
28 Jun 2017
Same period 2016 Same period 2015
Rank - 33 37
Contract jobs citing BDD 0 10 3
As % of all contract IT jobs advertised in Northamptonshire - 2.62% 0.87%
As % of the Processes & Methodologies category - 2.99% 1.16%
Number of daily rates quoted 0 11 2
Median daily rate - £325 £450
Median daily rate % change year-on-year - -27.77%  
UK excluding London median daily rate £401 £425 £375
% change year-on-year -5.58% +13.33%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £47.50 £40.50 -
% change year-on-year +17.28% -  

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 Northamptonshire with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Northamptonshire
Contract job vacancies with a requirement for process and methodology skills 308 334 258
As % of all contract IT job vacancies advertised in Northamptonshire 85.32% 87.66% 75.00%
Number of daily rates quoted 813 730 669
Median daily rate £450 £430 £425
Median daily rate % change year-on-year +4.65% +1.17%  
90% offered a daily rate of more than £250 £313 £263
10% offered a daily rate of more than £538 £575 £551
UK excluding London median daily rate £415 £400 £380
% change year-on-year +3.75% +5.26%  
Number of hourly rates quoted 8 5 9
Median hourly rate £11.75 £18.75 £19.00
Median hourly rate % change year-on-year -37.33% -1.31%  
90% offered a hourly rate of more than £9.25 £11.25 £15.84
10% offered a hourly rate of more than £68.58 £33.75 £23.75
UK excluding London median hourly rate £34.00 £28.50 £30.00
% change year-on-year +19.29% -5.00%  

BDD
Job Vacancy Trend in Northamptonshire

Job postings citing BDD as a percentage of all IT jobs advertised in Northamptonshire.

Job vacancy trend for BDD in Northamptonshire

BDD
Contractor Daily Rate Trend in Northamptonshire

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

Contractor daily rate trend for BDD in Northamptonshire

For the 6 months to 28 June 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 Northamptonshire region with a requirement for BDD.

1 11 (91.67%) Agile Software Development
2 9 (75.00%) Java
3 8 (66.67%) Scrum
4 7 (58.33%) Retail
4 7 (58.33%) Selenium
5 6 (50.00%) Cucumber
5 6 (50.00%) TDD
6 5 (41.67%) Finance
6 5 (41.67%) Stakeholder Management
6 5 (41.67%) E-Commerce
6 5 (41.67%) Mentoring
7 4 (33.33%) Banking
8 3 (25.00%) Spring
8 3 (25.00%) Hibernate
8 3 (25.00%) SQL
8 3 (25.00%) Web Services
8 3 (25.00%) WebDriver
9 2 (16.67%) SoapUI
9 2 (16.67%) ISTQB
9 2 (16.67%) Retail Banking
9 2 (16.67%) TestNG
9 2 (16.67%) Test Automation
9 2 (16.67%) Struts2
9 2 (16.67%) WebSphere
9 2 (16.67%) jQuery
9 2 (16.67%) JPA
9 2 (16.67%) Relational Database
9 2 (16.67%) REST
9 2 (16.67%) API Testing
9 2 (16.67%) XML

BDD
Co-occurring IT Skills in Northamptonshire 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 (16.67%) JBoss
1 2 (16.67%) WebLogic
1 2 (16.67%) WebSphere
2 1 (8.33%) Apache
2 1 (8.33%) GlassFish
2 1 (8.33%) WebLogic Integration
2 1 (8.33%) WebLogic Portal
2 1 (8.33%) WebSphere Application Server
2 1 (8.33%) WebSphere Process Server
Business Applications
1 1 (8.33%) Oracle BPM
Communications & Networking
1 1 (8.33%) Internet
1 1 (8.33%) Intranet
Database & Business Intelligence
1 2 (16.67%) DB2
1 2 (16.67%) RDBMS
1 2 (16.67%) Relational Database
2 1 (8.33%) Big Data
2 1 (8.33%) Oracle Database
Development Applications
1 7 (58.33%) Selenium
2 6 (50.00%) Cucumber
3 3 (25.00%) WebDriver
4 2 (16.67%) JUnit
4 2 (16.67%) SoapUI
4 2 (16.67%) TestNG
5 1 (8.33%) Babel
5 1 (8.33%) ClearCase
5 1 (8.33%) Git (software)
5 1 (8.33%) Gradle
5 1 (8.33%) gulp
5 1 (8.33%) Jasmine
5 1 (8.33%) Mocha
5 1 (8.33%) Subversion
5 1 (8.33%) webpack
General
1 7 (58.33%) Retail
2 5 (41.67%) Finance
3 4 (33.33%) Banking
4 2 (16.67%) Retail Banking
5 1 (8.33%) Multimedia
Job Titles
1 5 (41.67%) Analyst
1 5 (41.67%) Developer
1 5 (41.67%) Senior Analyst
1 5 (41.67%) Senior Technical Analyst
1 5 (41.67%) Senior Technical Test Analyst
1 5 (41.67%) Senior Test Analyst
1 5 (41.67%) Technical Analyst
1 5 (41.67%) Technical Test Analyst
1 5 (41.67%) Test Analyst
2 4 (33.33%) Java Developer
3 2 (16.67%) Agile Developer
3 2 (16.67%) Agile Java Developer
3 2 (16.67%) Test Automation Engineer
3 2 (16.67%) Test Engineer
4 1 (8.33%) Front End Developer (Client-Side Developer)
4 1 (8.33%) JavaScript Developer
4 1 (8.33%) UI Developer
Libraries, Frameworks & Software Standards
1 3 (25.00%) Hibernate
1 3 (25.00%) Spring
1 3 (25.00%) Web Services
2 2 (16.67%) Ajax
2 2 (16.67%) CSS
2 2 (16.67%) EJB
2 2 (16.67%) HTML
2 2 (16.67%) J2EE
2 2 (16.67%) JMS
2 2 (16.67%) JPA
2 2 (16.67%) jQuery
2 2 (16.67%) JSP
2 2 (16.67%) REST
2 2 (16.67%) Servlets
2 2 (16.67%) Struts
2 2 (16.67%) Struts2
2 2 (16.67%) XML
3 1 (8.33%) AngularJS
3 1 (8.33%) Express
3 1 (8.33%) Sass
Miscellaneous
1 1 (8.33%) DataPower
1 1 (8.33%) Mobile App
1 1 (8.33%) PMI
Processes & Methodologies
1 11 (91.67%) Agile Software Development
2 8 (66.67%) Scrum
3 6 (50.00%) TDD
4 5 (41.67%) E-Commerce
4 5 (41.67%) Mentoring
4 5 (41.67%) Stakeholder Management
5 2 (16.67%) API Testing
5 2 (16.67%) OO
5 2 (16.67%) Test Automation
6 1 (8.33%) Agile Project Management
6 1 (8.33%) AOP
6 1 (8.33%) Business Activity Monitoring
6 1 (8.33%) Data Protection
6 1 (8.33%) DevOps
6 1 (8.33%) Domain-Driven Design
6 1 (8.33%) Inversion of Control
6 1 (8.33%) PRINCE
6 1 (8.33%) RUP
6 1 (8.33%) SOLID
6 1 (8.33%) Waterfall
Programming Languages
1 9 (75.00%) Java
2 3 (25.00%) SQL
3 2 (16.67%) JavaScript
4 1 (8.33%) Groovy
4 1 (8.33%) Perl
4 1 (8.33%) PL/SQL
4 1 (8.33%) Python
Qualifications
1 2 (16.67%) ISEB
1 2 (16.67%) ISTQB
2 1 (8.33%) PMI Certification
System Software
1 1 (8.33%) Docker
Vendors
1 2 (16.67%) Oracle
2 1 (8.33%) Chordiant
2 1 (8.33%) IBM
2 1 (8.33%) Kony
2 1 (8.33%) Sybase