Period
to 18 November 2017

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 6 months to 18 November 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
6 months to
18 Nov 2017
Same period 2016 Same period 2015
Rank 63 28 81
Rank change year-on-year -35 +53 -30
Contract jobs citing BDD 36 71 20
As % of all contract IT jobs advertised in Hertfordshire 2.30% 5.10% 1.23%
As % of the Processes & Methodologies category 2.88% 6.67% 1.62%
Number of daily rates quoted 25 60 6
Hertfordshire median daily rate £450 £525 £360
Median daily rate % change year-on-year -14.29% +45.83% -10.00%
10th Percentile £375 £298 £313
90th Percentile £538 £725 £520
East of England median daily rate £450 £486 £384
% change year-on-year -7.46% +26.71% -4.06%
Number of hourly rates quoted 0 0 0
Hertfordshire median hourly rate - - -
East of England median hourly rate £35.00 - -

BDD is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Hertfordshire with a requirement for process or methodology skills.

All Process and Methodology Skills
Hertfordshire
Contract vacancies with a requirement for process or methodology skills 1252 1065 1234
As % of all contract IT jobs advertised in Hertfordshire 80.00% 76.56% 75.89%
Number of daily rates quoted 631 612 624
Hertfordshire median daily rate £400 £413 £400
Median daily rate % change year-on-year -3.03% +3.13% +6.67%
10th Percentile £213 £224 £225
90th Percentile £575 £538 £565
East of England median daily rate £425 £400 £400
% change year-on-year +6.25% - +6.67%
Number of hourly rates quoted 65 56 98
Hertfordshire median hourly rate £18.00 £29.75 £21.00
Median hourly rate % change year-on-year -39.50% +41.67% +30.43%
10th Percentile £13.00 £10.53 £8.93
90th Percentile £46.50 £53.75 £41.80
East of England median hourly rate £31.02 £31.48 £25.00
% change year-on-year -1.46% +25.90% +3.65%

BDD
Job Vacancy Trend in Hertfordshire

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

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 6 months to 18 November 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 6 months to 18 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Watford 0 16 £450 -14.29% 8
Welwyn Garden City -3 7 £525 -8.70% 2
Hatfield -17 3 £438 -16.67%
Hemel Hempstead - 1 - - 3
BDD
East of England

For the 6 months to 18 November 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 34 (94.44%) Agile Software Development
2 28 (77.78%) TDD
3 22 (61.11%) Java
4 18 (50.00%) Scrum
4 18 (50.00%) Continuous Integration
5 17 (47.22%) Microservices
6 15 (41.67%) Web Services
7 14 (38.89%) Git (software)
8 13 (36.11%) CSS
8 13 (36.11%) JavaScript
8 13 (36.11%) HTML
9 12 (33.33%) Test Automation
9 12 (33.33%) Amazon AWS
9 12 (33.33%) Kanban
10 11 (30.56%) Spring
11 10 (27.78%) QA
11 10 (27.78%) Pair Programming
11 10 (27.78%) Groovy
11 10 (27.78%) React
11 10 (27.78%) HTML5
12 9 (25.00%) SOLID
12 9 (25.00%) Refactoring
12 9 (25.00%) RESTful
12 9 (25.00%) JIRA
12 9 (25.00%) MVC
13 8 (22.22%) E-Commerce
13 8 (22.22%) MongoDB
13 8 (22.22%) Front End Development
14 7 (19.44%) Spring Boot
14 7 (19.44%) Continuous Delivery

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 3 (8.33%) Apache Spark
1 3 (8.33%) IIS
1 3 (8.33%) Tomcat
2 2 (5.56%) Confluence
2 2 (5.56%) WebSphere
3 1 (2.78%) Apache
Business Applications
1 2 (5.56%) Magento
Cloud Services
1 12 (33.33%) Amazon AWS
2 4 (11.11%) SaaS
3 2 (5.56%) Google Analytics
3 2 (5.56%) PaaS
4 1 (2.78%) Amazon EC2
Database & Business Intelligence
1 8 (22.22%) MongoDB
2 6 (16.67%) NoSQL
2 6 (16.67%) PostgreSQL
3 5 (13.89%) Redis
4 4 (11.11%) Apache Cassandra
4 4 (11.11%) DB2
5 3 (8.33%) Big Data
5 3 (8.33%) MySQL
5 3 (8.33%) SQL Server
5 3 (8.33%) SQL Server 2014
6 2 (5.56%) DbVisualizer
7 1 (2.78%) Amazon Aurora
7 1 (2.78%) Data Warehouse
7 1 (2.78%) Oracle Database
7 1 (2.78%) RDBMS
7 1 (2.78%) Relational Database
Development Applications
1 14 (38.89%) Git (software)
2 9 (25.00%) JIRA
3 6 (16.67%) Cucumber
3 6 (16.67%) Grunt
3 6 (16.67%) gulp
3 6 (16.67%) IntelliJ
3 6 (16.67%) Selenium
4 5 (13.89%) Bitbucket
4 5 (13.89%) WebDriver
5 4 (11.11%) Atlassian Bamboo
5 4 (11.11%) Jenkins
5 4 (11.11%) Moq
5 4 (11.11%) webpack
6 3 (8.33%) FxCop
6 3 (8.33%) ReSharper
6 3 (8.33%) StyleCop
7 2 (5.56%) JBehave
7 2 (5.56%) JUnit
7 2 (5.56%) Maven
7 2 (5.56%) SoapUI
General
1 6 (16.67%) Retail
2 4 (11.11%) Finance
3 2 (5.56%) Advertising
3 2 (5.56%) Marketing
4 1 (2.78%) Back Office
4 1 (2.78%) Front Office
4 1 (2.78%) Games
Job Titles
1 26 (72.22%) Developer
2 14 (38.89%) Java Developer
3 4 (11.11%) Automation Tester
3 4 (11.11%) Front End Developer (Client-Side Developer)
3 4 (11.11%) Tester
4 3 (8.33%) C# Developer
4 3 (8.33%) Database Developer
4 3 (8.33%) Ruby Developer
4 3 (8.33%) Senior Test Engineer
4 3 (8.33%) Test Engineer
5 2 (5.56%) Architect
5 2 (5.56%) E-Commerce Architect
5 2 (5.56%) E-Commerce Solution Architect
5 2 (5.56%) Java Automation Tester
5 2 (5.56%) Java Engineer
5 2 (5.56%) JavaScript Developer
5 2 (5.56%) Selenium Automation Tester
5 2 (5.56%) Selenium Tester
5 2 (5.56%) Senior Java Engineer
5 2 (5.56%) Solutions Architect
Libraries, Frameworks & Software Standards
1 15 (41.67%) Web Services
2 13 (36.11%) CSS
2 13 (36.11%) HTML
3 11 (30.56%) Spring
4 10 (27.78%) HTML5
4 10 (27.78%) React
5 9 (25.00%) RESTful
6 7 (19.44%) Spring Boot
7 6 (16.67%) AngularJS
7 6 (16.67%) Dropwizard
7 6 (16.67%) Hystrix
7 6 (16.67%) Play Framework
7 6 (16.67%) Scalatra
8 5 (13.89%) .NET
8 5 (13.89%) Gherkin
8 5 (13.89%) Hibernate
8 5 (13.89%) Ruby on Rails
9 4 (11.11%) CSS3
9 4 (11.11%) JSON
9 4 (11.11%) SOAP
Miscellaneous
1 7 (19.44%) Greenfield Project
2 1 (2.78%) Analytical Skills
2 1 (2.78%) Embedded Systems
2 1 (2.78%) State Machine
2 1 (2.78%) Virtual Team
Operating Systems
1 5 (13.89%) Unix
2 2 (5.56%) Linux
3 1 (2.78%) Android
3 1 (2.78%) Mac OS
3 1 (2.78%) Solaris
3 1 (2.78%) Windows
Processes & Methodologies
1 34 (94.44%) Agile Software Development
2 28 (77.78%) TDD
3 18 (50.00%) Continuous Integration
3 18 (50.00%) Scrum
4 17 (47.22%) Microservices
5 12 (33.33%) Kanban
5 12 (33.33%) Test Automation
6 10 (27.78%) Pair Programming
7 9 (25.00%) MVC
7 9 (25.00%) Refactoring
7 9 (25.00%) SOLID
8 8 (22.22%) E-Commerce
8 8 (22.22%) Front End Development
9 7 (19.44%) Continuous Delivery
9 7 (19.44%) Software Engineering
10 6 (16.67%) Digital Transformation Programme
10 6 (16.67%) Domain-Driven Design
10 6 (16.67%) OO
10 6 (16.67%) Web Application Development
10 6 (16.67%) Web Development
Programming Languages
1 22 (61.11%) Java
2 13 (36.11%) JavaScript
3 10 (27.78%) Groovy
4 7 (19.44%) SQL
5 6 (16.67%) Ruby
6 5 (13.89%) C#
7 3 (8.33%) Python
7 3 (8.33%) Scala
7 3 (8.33%) VBScript
8 2 (5.56%) VB
9 1 (2.78%) C
9 1 (2.78%) Clojure
9 1 (2.78%) Go
9 1 (2.78%) PL/SQL
9 1 (2.78%) Shell Script
Qualifications
1 1 (2.78%) SC Cleared
1 1 (2.78%) Security Cleared
Quality Assurance & Compliance
1 10 (27.78%) QA
System Software
1 4 (11.11%) Docker
Systems Management
1 4 (11.11%) Ansible
2 1 (2.78%) Opscode Chef
Vendors
1 6 (16.67%) Atlassian
1 6 (16.67%) New Relic
2 5 (13.89%) Oracle
3 3 (8.33%) hybris
3 3 (8.33%) Microsoft
4 2 (5.56%) Google
4 2 (5.56%) IBM
5 1 (2.78%) Sonatype
5 1 (2.78%) Teradata