The following table provides summary statistics for contract job vacancies advertised in Hertfordshire 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 23 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 of England / Hertfordshire
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 42 43 64
Rank change year-on-year +1 +21  
Contract jobs citing BDD 17 13 12
As % of all contract IT jobs advertised in Hertfordshire 2.69% 1.95% 1.35%
As % of the Processes & Methodologies category 3.31% 2.48% 1.71%
Number of daily rates quoted 14 8 5
Median daily rate £444 £481 £375
Median daily rate % change year-on-year -7.79% +28.33%  
90% offered a daily rate of more than £375 £450 £366
10% offered a daily rate of more than £578 £645 £510
UK excluding London median daily rate £400 £425 £375
% change year-on-year -5.88% +13.33%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £48.75 £40.50 -
% change year-on-year +20.37% -  

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 Hertfordshire with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Hertfordshire
Contract job vacancies with a requirement for process and methodology skills 513 524 703
As % of all contract IT job vacancies advertised in Hertfordshire 81.17% 78.68% 79.35%
Number of daily rates quoted 253 278 360
Median daily rate £425 £425 £377
Median daily rate % change year-on-year - +12.62%  
90% offered a daily rate of more than £271 £300 £295
10% offered a daily rate of more than £550 £500 £525
UK excluding London median daily rate £415 £400 £383
% change year-on-year +3.75% +4.57%  
Number of hourly rates quoted 36 17 58
Median hourly rate £17.63 £25.00 £32.50
Median hourly rate % change year-on-year -29.47% -23.07%  
90% offered a hourly rate of more than £11.84 £15.00 £10.50
10% offered a hourly rate of more than £45.00 £52.50 £47.75
UK excluding London median hourly rate £33.50 £28.50 £30.00
% change year-on-year +17.54% -5.00%  

BDD
Job Vacancy Trend in Hertfordshire

The job posting trend of jobs advertised in Hertfordshire 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 Hertfordshire

BDD
Contractor Daily Rate Trend in Hertfordshire

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

Contractor daily rate trend for BDD in Hertfordshire

BDD
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing BDD in Hertfordshire over the 3 months to 23 June 2017.

Contractor daily rate histogram for BDD in Hertfordshire

BDD
Contract Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing BDD within the Hertfordshire region over the 3 months to 23 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Watford -6 4 £450 - 5
Hatfield - 3 £438 -
Welwyn Garden City - 2 £500 -
Hemel Hempstead - 1 £360 - 3
BDD
East of England

For the 6 months to 23 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 Hertfordshire region with a requirement for BDD.

1 50 (100.00%) Agile Software Development
2 47 (94.00%) TDD
3 36 (72.00%) Java
4 27 (54.00%) Scrum
5 20 (40.00%) JIRA
6 18 (36.00%) E-Commerce
7 17 (34.00%) Git (software)
8 14 (28.00%) Microservices
8 14 (28.00%) Continuous Integration
9 12 (24.00%) Jenkins
9 12 (24.00%) Test Automation
10 11 (22.00%) Kanban
10 11 (22.00%) JavaScript
10 11 (22.00%) Cucumber
11 10 (20.00%) Amazon AWS
11 10 (20.00%) HTML
11 10 (20.00%) Retail
11 10 (20.00%) RESTful
11 10 (20.00%) Selenium
12 9 (18.00%) QA
12 9 (18.00%) Spring
12 9 (18.00%) CSS
12 9 (18.00%) Test Strategy
13 8 (16.00%) ATDD
13 8 (16.00%) Confluence
13 8 (16.00%) DevOps
13 8 (16.00%) OO
13 8 (16.00%) Maven
14 7 (14.00%) Web Services
14 7 (14.00%) XML

BDD
Co-occurring IT Skills in Hertfordshire 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 8 (16.00%) Confluence
2 3 (6.00%) CMS
2 3 (6.00%) Magnolia
2 3 (6.00%) Tomcat
3 2 (4.00%) IIS
4 1 (2.00%) Apache
4 1 (2.00%) WebSphere
Applications
1 3 (6.00%) Photoshop
Business Applications
1 1 (2.00%) Magento
Cloud Services
1 10 (20.00%) Amazon AWS
2 2 (4.00%) Amazon S3
3 1 (2.00%) Amazon EC2
3 1 (2.00%) Amazon SQS
3 1 (2.00%) AWS CloudFormation
3 1 (2.00%) AWS Lambda
Database & Business Intelligence
1 4 (8.00%) SQL Server
1 4 (8.00%) SQL Server 2014
2 3 (6.00%) NoSQL
3 2 (4.00%) Couchbase
4 1 (2.00%) Amazon DynamoDB
4 1 (2.00%) Apache Hive
4 1 (2.00%) Big Data
4 1 (2.00%) Data Warehouse
4 1 (2.00%) DB2
4 1 (2.00%) DbVisualizer
4 1 (2.00%) Hadoop
4 1 (2.00%) HBase
4 1 (2.00%) MongoDB
4 1 (2.00%) MySQL
4 1 (2.00%) PostgreSQL
Development Applications
1 20 (40.00%) JIRA
2 17 (34.00%) Git (software)
3 12 (24.00%) Jenkins
4 11 (22.00%) Cucumber
5 10 (20.00%) Selenium
6 8 (16.00%) Maven
7 6 (12.00%) WebDriver
8 5 (10.00%) Grunt
8 5 (10.00%) gulp
9 4 (8.00%) Ant
9 4 (8.00%) Atlassian Bamboo
9 4 (8.00%) Gradle
9 4 (8.00%) JBehave
9 4 (8.00%) Moq
9 4 (8.00%) SoapUI
10 3 (6.00%) JUnit
11 2 (4.00%) Mockito
11 2 (4.00%) ReSharper
11 2 (4.00%) StyleCop
11 2 (4.00%) TeamCity
General
1 10 (20.00%) Retail
2 3 (6.00%) Finance
3 1 (2.00%) Games
Job Titles
1 36 (72.00%) Developer
2 27 (54.00%) Java Developer
3 15 (30.00%) AWS Developer
4 13 (26.00%) Agile Developer
4 13 (26.00%) Agile Java Developer
5 11 (22.00%) Senior Developer
5 11 (22.00%) Senior Java Developer
6 10 (20.00%) Senior Agile Developer
6 10 (20.00%) Senior Agile Java Developer
7 6 (12.00%) Test Manager
8 5 (10.00%) Tester
9 4 (8.00%) Automation Tester
9 4 (8.00%) C# Developer
9 4 (8.00%) E-Commerce Developer
9 4 (8.00%) Java E-Commerce Developer
9 4 (8.00%) Portfolio Manager
9 4 (8.00%) Portfolio Test Manager
10 3 (6.00%) Java Automation Tester
10 3 (6.00%) Selenium Automation Tester
10 3 (6.00%) Selenium Tester
Libraries, Frameworks & Software Standards
1 10 (20.00%) HTML
1 10 (20.00%) RESTful
2 9 (18.00%) CSS
2 9 (18.00%) Spring
3 7 (14.00%) Hibernate
3 7 (14.00%) Web Services
3 7 (14.00%) XML
4 6 (12.00%) AngularJS
4 6 (12.00%) HTML5
4 6 (12.00%) JSON
5 5 (10.00%) CSS3
5 5 (10.00%) Gherkin
5 5 (10.00%) jQuery
5 5 (10.00%) REST
5 5 (10.00%) XHTML
6 4 (8.00%) .NET
6 4 (8.00%) ASP.NET
6 4 (8.00%) ASP.NET Web API
6 4 (8.00%) Node.js
6 4 (8.00%) React
Miscellaneous
1 7 (14.00%) Greenfield Project
2 4 (8.00%) Data Structures
3 3 (6.00%) Algorithms
3 3 (6.00%) User Experience
3 3 (6.00%) W3C
4 2 (4.00%) Analytical Skills
4 2 (4.00%) Tandem
5 1 (2.00%) Embedded Systems
Operating Systems
1 3 (6.00%) Unix
2 2 (4.00%) Linux
3 1 (2.00%) Mac OS
3 1 (2.00%) Windows
Processes & Methodologies
1 50 (100.00%) Agile Software Development
2 47 (94.00%) TDD
3 27 (54.00%) Scrum
4 18 (36.00%) E-Commerce
5 14 (28.00%) Continuous Integration
5 14 (28.00%) Microservices
6 12 (24.00%) Test Automation
7 11 (22.00%) Kanban
8 9 (18.00%) Test Strategy
9 8 (16.00%) ATDD
9 8 (16.00%) DevOps
9 8 (16.00%) OO
10 7 (14.00%) Continuous Delivery
11 6 (12.00%) Open Source
11 6 (12.00%) Unit Testing
12 5 (10.00%) MVC
12 5 (10.00%) Project Management
12 5 (10.00%) Refactoring
13 4 (8.00%) OOD
13 4 (8.00%) OOP
Programming Languages
1 36 (72.00%) Java
2 11 (22.00%) JavaScript
3 6 (12.00%) Groovy
4 4 (8.00%) C#
4 4 (8.00%) Clojure
4 4 (8.00%) F#
4 4 (8.00%) Go
4 4 (8.00%) Rust
4 4 (8.00%) Scala
4 4 (8.00%) SQL
5 2 (4.00%) T-SQL
5 2 (4.00%) VBScript
6 1 (2.00%) C
6 1 (2.00%) Python
6 1 (2.00%) Shell Script
6 1 (2.00%) VB
Qualifications
1 1 (2.00%) Degree
1 1 (2.00%) ISEB
1 1 (2.00%) ISTQB
1 1 (2.00%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 9 (18.00%) QA
2 3 (6.00%) WAI
Systems Management
1 4 (8.00%) Ansible
1 4 (8.00%) Opscode Chef
1 4 (8.00%) Puppet
2 3 (6.00%) TeamSite
Vendors
1 6 (12.00%) Atlassian
2 4 (8.00%) Microsoft
3 1 (2.00%) hybris
3 1 (2.00%) IBM
3 1 (2.00%) New Relic
3 1 (2.00%) Oracle
3 1 (2.00%) Sonatype
3 1 (2.00%) Teradata