The following table provides summary statistics for contract job vacancies 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 27 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
3 months to
27 Mar 2017
Same period 2016 Same period 2015
Rank 569 580 571
Rank change year-on-year +11 -9  
Contract jobs citing Drools 14 60 60
As % of all contract IT jobs advertised in the UK 0.031% 0.11% 0.11%
As % of the Libraries, Frameworks & Software Standards category 0.099% 0.40% 0.42%
Number of daily rates quoted 8 56 33
Median daily rate £400 £470 £425
Median daily rate % change year-on-year -14.89% +10.58%  
90% offered a daily rate of more than £355 £360 £375
10% offered a daily rate of more than £455 £600 £545
UK excluding London median daily rate £400 £463 £425
% change year-on-year -13.51% +8.82%  
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 with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
UK
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 14119 14879 14337
As % of all contract IT job vacancies advertised in the UK 31.43% 27.95% 26.54%
Number of daily rates quoted 9794 10317 9294
Median daily rate £425 £400 £388
Median daily rate % change year-on-year +6.25% +3.22%  
90% offered a daily rate of more than £300 £300 £275
10% offered a daily rate of more than £563 £550 £550
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 184 227 192
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 £16.00 £13.50 £19.00
10% offered a hourly rate of more than £55.00 £60.62 £46.50
UK excluding London median hourly rate £40.50 £38.00 £36.00
% change year-on-year +6.57% +5.55%  

Drools
Job Vacancy Trend

The job posting trend of jobs advertised 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 the UK

Drools
Contractor Daily Rate Trend

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

Contractor daily rate trend for Drools in the UK

Drools
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing Drools over the 3 months to 27 March 2017.

Contractor daily rate histogram for Drools in the UK

Drools
Contractor Hourly Rate Trend

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

Contractor hourly rate trend for Drools in the UK

Drools
Top 11 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Drools within the UK over the 3 months to 27 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
England +28 9 £455 -6.66% 3
South East +14 7 £453 -13.80% 1
Camberley +9 5 - -
Surrey +5 5 - -
Edinburgh -3 5 £375 -16.66% 1
Scotland -3 5 £375 -16.66% 1
Buckinghamshire - 2 £453 -
Milton Keynes - 2 £453 -
Birmingham - 1 - -
East Midlands - 1 £455 -
West Midlands - 1 - -

Drools
Top 30 Co-occurring IT Skills

For the 6 months to 27 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 with a requirement for Drools.

1 34 (97.14%) Java
2 24 (68.57%) Oracle
3 23 (65.71%) SOA
4 22 (62.86%) Oracle SOA Suite
5 18 (51.43%) Agile Software Development
5 18 (51.43%) Relational Database
6 17 (48.57%) Maven
7 16 (45.71%) Eclipse
7 16 (45.71%) JMS
8 15 (42.86%) JBoss
8 15 (42.86%) Web Services
8 15 (42.86%) Spring
9 14 (40.00%) JPA
9 14 (40.00%) Hibernate
10 13 (37.14%) BPMN
10 13 (37.14%) AngularJS
11 12 (34.29%) REST
12 11 (31.43%) SQL
13 10 (28.57%) JUnit
13 10 (28.57%) Continuous Integration
13 10 (28.57%) jBPM
13 10 (28.57%) Jenkins
14 9 (25.71%) TDD
14 9 (25.71%) XML
14 9 (25.71%) XSD
14 9 (25.71%) HTML
14 9 (25.71%) Python
14 9 (25.71%) Linux
15 8 (22.86%) OO
15 8 (22.86%) Finance

Drools
Co-occurring IT Skills 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 22 (62.86%) Oracle SOA Suite
2 15 (42.86%) JBoss
3 5 (14.29%) Apache
4 4 (11.43%) Apache Pig
4 4 (11.43%) Apache Solr
4 4 (11.43%) Apache Spark
5 1 (2.86%) Oracle Workflow
5 1 (2.86%) SAS
5 1 (2.86%) Tomcat
Applications
1 1 (2.86%) MS Excel
Business Applications
1 6 (17.14%) BusinessWorks
2 5 (14.29%) Oracle BPM
Cloud Services
1 2 (5.71%) OpenShift
2 1 (2.86%) GitHub
Communications & Networking
1 2 (5.71%) FTP
Database & Business Intelligence
1 18 (51.43%) Relational Database
2 8 (22.86%) Oracle Database
3 6 (17.14%) SQL Server
4 5 (14.29%) Big Data
4 5 (14.29%) NoSQL
4 5 (14.29%) RDBMS
5 4 (11.43%) Apache Cassandra
5 4 (11.43%) Apache Hive
5 4 (11.43%) Data Lake
5 4 (11.43%) Flink
5 4 (11.43%) Hadoop
5 4 (11.43%) HBase
5 4 (11.43%) MongoDB
5 4 (11.43%) PostgreSQL
6 1 (2.86%) MarkLogic
6 1 (2.86%) QlikView
Development Applications
1 17 (48.57%) Maven
2 16 (45.71%) Eclipse
3 10 (28.57%) Jenkins
3 10 (28.57%) JUnit
4 6 (17.14%) ANTLR
4 6 (17.14%) Git (software)
5 5 (14.29%) Subversion
6 2 (5.71%) Ant
6 2 (5.71%) Checkstyle
6 2 (5.71%) IntelliJ
6 2 (5.71%) SoapUI
6 2 (5.71%) XMLUnit
7 1 (2.86%) JIRA
General
1 8 (22.86%) Banking
1 8 (22.86%) Finance
2 1 (2.86%) Automotive
2 1 (2.86%) Publishing
Job Titles
1 20 (57.14%) Developer
1 20 (57.14%) Java Developer
2 8 (22.86%) Architect
2 8 (22.86%) Senior Developer
2 8 (22.86%) Senior Java Developer
3 6 (17.14%) Solutions Architect
4 4 (11.43%) Big Data Engineer
4 4 (11.43%) Data Engineer
4 4 (11.43%) Java Engineer
5 3 (8.57%) SC Cleared Java Developer
6 2 (5.71%) Java Architect
6 2 (5.71%) Lead Developer
6 2 (5.71%) Lead Java Developer
6 2 (5.71%) Technical Developer
6 2 (5.71%) Technical Leader
7 1 (2.86%) Analyst
7 1 (2.86%) Database Developer
7 1 (2.86%) HTML Developer
7 1 (2.86%) Systems Analyst
7 1 (2.86%) XML Developer
Libraries, Frameworks & Software Standards
1 16 (45.71%) JMS
2 15 (42.86%) Spring
2 15 (42.86%) Web Services
3 14 (40.00%) Hibernate
3 14 (40.00%) JPA
4 13 (37.14%) AngularJS
5 12 (34.29%) REST
6 10 (28.57%) jBPM
7 9 (25.71%) HTML
7 9 (25.71%) XML
7 9 (25.71%) XSD
8 8 (22.86%) Apache Camel
8 8 (22.86%) Java EE
9 7 (20.00%) HTML5
9 7 (20.00%) SOAP
9 7 (20.00%) XSLT
10 6 (17.14%) Apache Thrift
10 6 (17.14%) MyBatis
10 6 (17.14%) XACML
11 5 (14.29%) JSON
Miscellaneous
1 6 (17.14%) Computer Science
2 3 (8.57%) Enterprise Software
3 1 (2.86%) Derivative
3 1 (2.86%) OTC Derivatives
Operating Systems
1 9 (25.71%) Linux
2 1 (2.86%) Windows
Processes & Methodologies
1 23 (65.71%) SOA
2 18 (51.43%) Agile Software Development
3 13 (37.14%) BPMN
4 10 (28.57%) Continuous Integration
5 9 (25.71%) TDD
6 8 (22.86%) Mentoring
6 8 (22.86%) OO
6 8 (22.86%) Use Case
7 7 (20.00%) Coaching
7 7 (20.00%) Open Source
7 7 (20.00%) UML
8 6 (17.14%) Domain Models
8 6 (17.14%) MVC
8 6 (17.14%) Technical Architecture
8 6 (17.14%) Wireframes
9 5 (14.29%) Data Modelling
9 5 (14.29%) Information Security
9 5 (14.29%) Logical Data Model
10 4 (11.43%) EAI
10 4 (11.43%) User Acceptance Testing
Programming Languages
1 34 (97.14%) Java
2 11 (31.43%) SQL
3 9 (25.71%) Python
4 4 (11.43%) PL/SQL
4 4 (11.43%) Scala
5 3 (8.57%) XPath
6 2 (5.71%) T-SQL
7 1 (2.86%) JavaScript
7 1 (2.86%) XQuery
Qualifications
1 6 (17.14%) SC Cleared
1 6 (17.14%) Security Cleared
2 2 (5.71%) Degree
3 1 (2.86%) Sun Certification
Quality Assurance & Compliance
1 2 (5.71%) QA
Systems Management
1 4 (11.43%) Hadoop YARN
Vendors
1 24 (68.57%) Oracle
2 8 (22.86%) Red Hat
3 6 (17.14%) TIBCO
4 4 (11.43%) Hortonworks
5 2 (5.71%) Solace
5 2 (5.71%) Sybase
6 1 (2.86%) Microsoft