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 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
23 Mar 2017
Same period 2016 Same period 2015
Behaviour-Driven Development (BDD)
East of England / Hertfordshire
Rank 28 48 61
Rank change year-on-year +20 +13  
Contract jobs citing BDD 33 7 4
As % of all contract IT jobs advertised in Hertfordshire 5.42% 1.04% 0.57%
As % of the Processes & Methodologies category 6.95% 1.38% 0.75%
Number of daily rates quoted 29 4 1
Median daily rate £538 £500 £500
Median daily rate % change year-on-year +7.50% -  
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 £45.87 £47.25 -
% change year-on-year -2.92% -  

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 475 509 534
As % of all contract IT job vacancies advertised in Hertfordshire 78.00% 75.86% 76.61%
Number of daily rates quoted 258 270 280
Median daily rate £475 £425 £400
Median daily rate % change year-on-year +11.76% +6.25%  
90% offered a daily rate of more than £288 £300 £265
10% offered a daily rate of more than £600 £575 £575
UK excluding London median daily rate £410 £400 £399
% change year-on-year +2.50% +0.29%  
Number of hourly rates quoted 27 33 30
Median hourly rate £45.00 £38.00 £16.50
Median hourly rate % change year-on-year +18.42% +130.30%  
90% offered a hourly rate of more than £30.00 £9.16 £10.40
10% offered a hourly rate of more than £52.50 £49.50 £37.70
UK excluding London median hourly rate £36.00 £39.00 £30.00
% change year-on-year -7.69% +30.00%  

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 March 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 March 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
Hatfield -5 8 £525 +10.52%
Rickmansworth +8 5 £925 +68.18%
Welwyn Garden City - 3 £500 -
Watford -10 1 - - 6
Hemel Hempstead - 1 £360 - 4
BDD
East of England

BDD
Top 30 Related IT Skills in Hertfordshire

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

1 95 (98.96%) Agile Software Development
2 91 (94.79%) TDD
3 72 (75.00%) Java
4 55 (57.29%) Scrum
5 36 (37.50%) JIRA
6 33 (34.38%) E-Commerce
7 30 (31.25%) Kanban
8 27 (28.13%) Git (software)
9 26 (27.08%) QA
10 25 (26.04%) Spring
10 25 (26.04%) ATDD
11 24 (25.00%) RESTful
12 22 (22.92%) Hibernate
12 22 (22.92%) Continuous Integration
13 20 (20.83%) Cucumber
14 19 (19.79%) Jenkins
14 19 (19.79%) OO
14 19 (19.79%) Maven
14 19 (19.79%) Selenium
15 18 (18.75%) Software Testing
15 18 (18.75%) DevOps
15 18 (18.75%) Continuous Delivery
16 16 (16.67%) Gherkin
16 16 (16.67%) Scala
16 16 (16.67%) Amazon AWS
16 16 (16.67%) Web Services
17 15 (15.63%) Finance
17 15 (15.63%) Software Engineering
17 15 (15.63%) WebDriver
17 15 (15.63%) Concurrent Programming

BDD
Top Related 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 9 (9.38%) Confluence
2 7 (7.29%) Tomcat
3 6 (6.25%) Apache Spark
4 5 (5.21%) IIS
5 2 (2.08%) CMS
5 2 (2.08%) Magnolia
5 2 (2.08%) WebSphere
6 1 (1.04%) Apache
Applications
1 5 (5.21%) MS Excel
2 2 (2.08%) Photoshop
3 1 (1.04%) MS Office
Business Applications
1 2 (2.08%) Magento
Cloud Services
1 16 (16.67%) Amazon AWS
2 1 (1.04%) Amazon EC2
2 1 (1.04%) Amazon S3
2 1 (1.04%) Amazon SQS
Communications & Networking
1 4 (4.17%) TCP/IP
Database & Business Intelligence
1 7 (7.29%) MongoDB
1 7 (7.29%) SQL Server
2 6 (6.25%) Apache Cassandra
3 5 (5.21%) Relational Database
3 5 (5.21%) SQL Server 2012
4 4 (4.17%) NoSQL
5 3 (3.13%) MySQL
6 2 (2.08%) Couchbase
6 2 (2.08%) DB2
6 2 (2.08%) DbVisualizer
6 2 (2.08%) Hadoop
6 2 (2.08%) SQL Server 2014
7 1 (1.04%) Apache Hive
7 1 (1.04%) Big Data
7 1 (1.04%) HBase
Development Applications
1 36 (37.50%) JIRA
2 27 (28.13%) Git (software)
3 20 (20.83%) Cucumber
4 19 (19.79%) Jenkins
4 19 (19.79%) Maven
4 19 (19.79%) Selenium
5 15 (15.63%) WebDriver
6 12 (12.50%) Ant
6 12 (12.50%) Gradle
7 11 (11.46%) JBehave
8 9 (9.38%) SoapUI
9 7 (7.29%) Atlassian Bamboo
9 7 (7.29%) JUnit
9 7 (7.29%) Moq
10 4 (4.17%) FxCop
10 4 (4.17%) ReSharper
10 4 (4.17%) StyleCop
11 3 (3.13%) Mockito
11 3 (3.13%) TeamCity
12 2 (2.08%) Grunt
General
1 15 (15.63%) Finance
2 13 (13.54%) Retail
3 1 (1.04%) Games
Job Titles
1 69 (71.88%) Developer
2 53 (55.21%) Java Developer
3 27 (28.13%) Agile Developer
4 26 (27.08%) Agile Java Developer
5 21 (21.88%) Senior Developer
5 21 (21.88%) Senior Java Developer
6 19 (19.79%) Senior Agile Developer
6 19 (19.79%) Senior Agile Java Developer
7 13 (13.54%) AWS Developer
8 12 (12.50%) E-Commerce Developer
8 12 (12.50%) Java E-Commerce Developer
9 7 (7.29%) .NET Developer
9 7 (7.29%) C# .NET Developer
9 7 (7.29%) C# Developer
10 6 (6.25%) Automation Tester
10 6 (6.25%) Software Engineer
10 6 (6.25%) Test Manager
10 6 (6.25%) Tester
11 5 (5.21%) ASP.NET MVC Developer
11 5 (5.21%) Java Engineer
Libraries, Frameworks & Software Standards
1 25 (26.04%) Spring
2 24 (25.00%) RESTful
3 22 (22.92%) Hibernate
4 16 (16.67%) Gherkin
4 16 (16.67%) Web Services
5 13 (13.54%) HTML
6 11 (11.46%) CSS
7 9 (9.38%) XML
8 8 (8.33%) REST
9 7 (7.29%) .NET
9 7 (7.29%) ASP.NET Web API
10 6 (6.25%) ASP.NET
10 6 (6.25%) Node.js
10 6 (6.25%) SOAP
11 5 (5.21%) ADO.NET
11 5 (5.21%) Dapper ORM
11 5 (5.21%) Entity Framework
11 5 (5.21%) NHibernate
11 5 (5.21%) XSL
11 5 (5.21%) XSLT
Miscellaneous
1 12 (12.50%) Data Structures
2 11 (11.46%) Algorithms
3 4 (4.17%) Contactless
3 4 (4.17%) EMV
4 2 (2.08%) Analytical Skills
4 2 (2.08%) FMCG
4 2 (2.08%) User Experience
4 2 (2.08%) Virtual Team
4 2 (2.08%) W3C
5 1 (1.04%) Linux Command Line
5 1 (1.04%) Tandem
Operating Systems
1 4 (4.17%) Unix
2 2 (2.08%) Linux
Processes & Methodologies
1 95 (98.96%) Agile Software Development
2 91 (94.79%) TDD
3 55 (57.29%) Scrum
4 33 (34.38%) E-Commerce
5 30 (31.25%) Kanban
6 25 (26.04%) ATDD
7 22 (22.92%) Continuous Integration
8 19 (19.79%) OO
9 18 (18.75%) Continuous Delivery
9 18 (18.75%) DevOps
9 18 (18.75%) Software Testing
10 15 (15.63%) Concurrent Programming
10 15 (15.63%) Software Engineering
11 14 (14.58%) Test Strategy
12 13 (13.54%) Pair Programming
13 12 (12.50%) OOD
14 11 (11.46%) Complexity Analysis
14 11 (11.46%) High Availability
14 11 (11.46%) Microservices
14 11 (11.46%) Test Automation
Programming Languages
1 72 (75.00%) Java
2 16 (16.67%) Scala
3 11 (11.46%) JavaScript
4 10 (10.42%) Clojure
4 10 (10.42%) Go
4 10 (10.42%) Rust
5 9 (9.38%) C#
6 8 (8.33%) F#
7 5 (5.21%) VBScript
8 3 (3.13%) Haskell
8 3 (3.13%) Ruby
8 3 (3.13%) SQL
9 2 (2.08%) Groovy
9 2 (2.08%) Shell Script
10 1 (1.04%) T-SQL
Qualifications
1 1 (1.04%) Degree
Quality Assurance & Compliance
1 26 (27.08%) QA
2 2 (2.08%) SDET
2 2 (2.08%) WAI
Systems Management
1 12 (12.50%) Ansible
1 12 (12.50%) Opscode Chef
1 12 (12.50%) Puppet
2 2 (2.08%) TeamSite
Vendors
1 9 (9.38%) Atlassian
2 7 (7.29%) Microsoft
3 6 (6.25%) IBM
3 6 (6.25%) Oracle
4 2 (2.08%) hybris