The following table provides summary statistics for contract job vacancies advertised in England with a requirement for Drools skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Drools 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.

Drools
UK / England
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 567 593 565
Rank change year-on-year +26 -28  
Contract jobs citing Drools 9 31 36
As % of all contract IT jobs advertised in England 0.021% 0.062% 0.074%
As % of the Libraries, Frameworks & Software Standards category 0.068% 0.22% 0.27%
Number of daily rates quoted 3 30 12
Median daily rate £455 £488 £488
Median daily rate % change year-on-year -6.66% -  
UK excluding London median daily rate £400 £475 £425
% change year-on-year -15.78% +11.76%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

Drools is in the industry standards, technical specifications and software library and framework skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in England with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
England
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 13280 14104 13161
As % of all contract IT job vacancies advertised in England 31.63% 28.23% 26.99%
Number of daily rates quoted 9227 9920 8669
Median daily rate £425 £413 £400
Median daily rate % change year-on-year +3.03% +3.12%  
90% offered a daily rate of more than £301 £300 £284
10% offered a daily rate of more than £575 £575 £550
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 173 209 170
Median hourly rate £42.50 £38.75 £35.00
Median hourly rate % change year-on-year +9.67% +10.71%  
90% offered a hourly rate of more than £17.01 £12.50 £20.00
10% offered a hourly rate of more than £55.00 £57.00 £46.50
UK excluding London median hourly rate £41.00 £38.00 £36.00
% change year-on-year +7.89% +5.55%  

Drools
Job Vacancy Trend in England

The job posting trend of jobs advertised in England citing Drools as a proportion of all contract or permanent IT jobs with a match in the Libraries, Frameworks & Software Standards category.

Job vacancy trend for Drools in England

Drools
Contractor Daily Rate Trend in England

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

Contractor daily rate trend for Drools in England

Drools
Contractor Hourly Rate Trend in England

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Drools in England.

Contractor hourly rate trend for Drools in England

Drools
Contract Job Locations in England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Drools within the England region over the 3 months to 30 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
South East +21 7 £453 -13.80%
East Midlands - 1 £455 -
West Midlands - 1 - -
Drools
UK

For the 6 months to 30 March 2017, IT contractor jobs citing Drools 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 England region with a requirement for Drools.

1 20 (95.24%) Java
2 15 (71.43%) Agile Software Development
2 15 (71.43%) Relational Database
3 13 (61.90%) Spring
3 13 (61.90%) Oracle
4 12 (57.14%) SOA
4 12 (57.14%) Oracle SOA Suite
5 10 (47.62%) BPMN
6 9 (42.86%) Jenkins
6 9 (42.86%) Python
6 9 (42.86%) SQL
6 9 (42.86%) JUnit
7 8 (38.10%) Web Services
7 8 (38.10%) JMS
7 8 (38.10%) Eclipse
7 8 (38.10%) Maven
8 7 (33.33%) Banking
8 7 (33.33%) Linux
9 6 (28.57%) SQL Server
9 6 (28.57%) TIBCO
9 6 (28.57%) BusinessWorks
9 6 (28.57%) Finance
9 6 (28.57%) Technical Architecture
9 6 (28.57%) Use Case
9 6 (28.57%) REST
9 6 (28.57%) ANTLR
9 6 (28.57%) XACML
9 6 (28.57%) MyBatis
9 6 (28.57%) Apache Thrift
10 5 (23.81%) Big Data

Drools
Co-occurring IT Skills in England 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 12 (57.14%) Oracle SOA Suite
2 4 (19.05%) Apache
2 4 (19.05%) Apache Pig
2 4 (19.05%) Apache Solr
2 4 (19.05%) Apache Spark
3 3 (14.29%) JBoss
4 1 (4.76%) SAS
Applications
1 1 (4.76%) MS Excel
Business Applications
1 6 (28.57%) BusinessWorks
Cloud Services
1 2 (9.52%) OpenShift
Communications & Networking
1 2 (9.52%) FTP
Database & Business Intelligence
1 15 (71.43%) Relational Database
2 6 (28.57%) SQL Server
3 5 (23.81%) Big Data
3 5 (23.81%) RDBMS
4 4 (19.05%) Apache Cassandra
4 4 (19.05%) Apache Hive
4 4 (19.05%) Data Lake
4 4 (19.05%) Flink
4 4 (19.05%) Hadoop
4 4 (19.05%) HBase
4 4 (19.05%) MongoDB
4 4 (19.05%) NoSQL
4 4 (19.05%) PostgreSQL
5 1 (4.76%) QlikView
Development Applications
1 9 (42.86%) Jenkins
1 9 (42.86%) JUnit
2 8 (38.10%) Eclipse
2 8 (38.10%) Maven
3 6 (28.57%) ANTLR
4 3 (14.29%) Subversion
5 2 (9.52%) Ant
5 2 (9.52%) Checkstyle
5 2 (9.52%) IntelliJ
5 2 (9.52%) SoapUI
5 2 (9.52%) XMLUnit
General
1 7 (33.33%) Banking
2 6 (28.57%) Finance
Job Titles
1 11 (52.38%) Developer
1 11 (52.38%) Java Developer
2 6 (28.57%) Senior Developer
2 6 (28.57%) Senior Java Developer
3 4 (19.05%) Architect
3 4 (19.05%) Big Data Engineer
3 4 (19.05%) Data Engineer
3 4 (19.05%) Java Engineer
3 4 (19.05%) Solutions Architect
4 1 (4.76%) Agile Developer
4 1 (4.76%) Agile Java Developer
4 1 (4.76%) Analyst
4 1 (4.76%) EAI Developer
4 1 (4.76%) SOA Developer
4 1 (4.76%) Systems Analyst
Libraries, Frameworks & Software Standards
1 13 (61.90%) Spring
2 8 (38.10%) JMS
2 8 (38.10%) Web Services
3 6 (28.57%) Apache Thrift
3 6 (28.57%) MyBatis
3 6 (28.57%) REST
3 6 (28.57%) XACML
4 4 (19.05%) Akka
4 4 (19.05%) AngularJS
4 4 (19.05%) JPA
4 4 (19.05%) Kafka
5 3 (14.29%) Hibernate
6 2 (9.52%) Apache Camel
6 2 (9.52%) JavaBeans
6 2 (9.52%) JDBC
6 2 (9.52%) XSD
6 2 (9.52%) XSL
7 1 (4.76%) Dojo
7 1 (4.76%) J2EE
7 1 (4.76%) XML
Miscellaneous
1 5 (23.81%) Computer Science
2 1 (4.76%) Derivative
2 1 (4.76%) Enterprise Software
2 1 (4.76%) OTC Derivatives
Operating Systems
1 7 (33.33%) Linux
Processes & Methodologies
1 15 (71.43%) Agile Software Development
2 12 (57.14%) SOA
3 10 (47.62%) BPMN
4 6 (28.57%) Technical Architecture
4 6 (28.57%) Use Case
5 5 (23.81%) Information Security
5 5 (23.81%) UML
6 4 (19.05%) Domain Models
6 4 (19.05%) EAI
6 4 (19.05%) MapReduce
6 4 (19.05%) OO
6 4 (19.05%) Open Source
6 4 (19.05%) TOGAF
6 4 (19.05%) Wireframes
7 3 (14.29%) Data Modelling
7 3 (14.29%) Logical Data Model
7 3 (14.29%) Microservices
7 3 (14.29%) Unit Testing
7 3 (14.29%) User Acceptance Testing
8 2 (9.52%) Code Coverage
Programming Languages
1 20 (95.24%) Java
2 9 (42.86%) Python
2 9 (42.86%) SQL
3 4 (19.05%) Scala
4 2 (9.52%) PL/SQL
4 2 (9.52%) T-SQL
4 2 (9.52%) XPath
Qualifications
1 1 (4.76%) Degree
1 1 (4.76%) Sun Certification
Quality Assurance & Compliance
1 2 (9.52%) QA
Systems Management
1 4 (19.05%) Hadoop YARN
Vendors
1 13 (61.90%) Oracle
2 6 (28.57%) TIBCO
3 4 (19.05%) Hortonworks
4 2 (9.52%) Solace
4 2 (9.52%) Sybase
5 1 (4.76%) Microsoft