Period
to 21 June 2018

The following table provides summary statistics for permanent job vacancies with a requirement for Drools skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Drools over the 6 months to 21 June 2018 with a comparison to the same period in the previous 2 years.

Drools
UK
6 months to
21 Jun 2018
Same period 2017 Same period 2016
Rank 1096 1067 1154
Rank change year-on-year -29 +87 +55
Permanent jobs citing Drools 100 128 122
As % of all permanent IT jobs advertised in the UK 0.058% 0.074% 0.061%
As % of the Libraries, Frameworks & Software Standards category 0.14% 0.18% 0.16%
Number of salaries quoted 81 96 85
UK median annual salary £55,000 £60,000 £52,500
Median salary % change year-on-year -8.33% +14.29% -4.55%
10th Percentile £42,500 £37,125 £37,500
90th Percentile £70,000 £69,375 £76,250
UK excluding London median annual salary £54,500 £43,750 £55,000
% change year-on-year +24.57% -20.45% +22.22%

Drools is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
UK
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 70,447 70,211 78,166
As % of all permanent IT jobs advertised in the UK 40.83% 40.69% 38.87%
Number of salaries quoted 58,887 59,424 67,534
UK median annual salary £50,000 £47,500 £47,500
Median salary % change year-on-year +5.26% - +5.56%
10th Percentile £31,250 £28,750 £28,500
90th Percentile £80,000 £76,250 £75,000
UK excluding London median annual salary £45,000 £42,500 £41,000
% change year-on-year +5.88% +3.66% +2.50%

Drools
Job Vacancy Trend

Job postings citing Drools as a percentage of all IT jobs advertised.

Job vacancy trend for Drools in the UK

Drools
Salary Trend

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Drools.

Salary trend for Drools in the UK

Drools
Salary Histogram

The salary distribution of IT jobs citing Drools over the 6 months to 21 June 2018.

Salary histogram for Drools in the UK

Drools
Top 9 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Drools within the UK over the 6 months to 21 June 2018. 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
UK excluding London +28 80 £54,500 +24.57% 6
England -47 59 £55,000 -8.33% 12
Scotland -6 41 £55,000 -
South East +8 30 £52,500 +31.25% 2
London -66 20 £63,000 +2.86% 6
North of England - 6 £45,000 - 2
North West - 6 £45,000 - 2
Midlands +17 3 £50,500 -8.18% 1
West Midlands +12 3 £50,500 -8.18% 1

For the 6 months to 21 June 2018, IT jobs citing Drools also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads with a requirement for Drools.

1 99 (99.00%) Java
2 77 (77.00%) Hibernate
3 76 (76.00%) Spring
4 66 (66.00%) SOA
5 58 (58.00%) Maven
6 43 (43.00%) Agile Software Development
7 38 (38.00%) JBoss
8 36 (36.00%) SQL
9 34 (34.00%) JMS
10 29 (29.00%) J2EE
11 28 (28.00%) MySQL
11 28 (28.00%) TDD
11 28 (28.00%) REST
12 27 (27.00%) Continuous Integration
12 27 (27.00%) Web Services
12 27 (27.00%) Eclipse
13 26 (26.00%) MVC
13 26 (26.00%) SDLC
14 25 (25.00%) Java EE
14 25 (25.00%) XML
15 24 (24.00%) Lucene
15 24 (24.00%) Scrum
16 23 (23.00%) Finance
17 22 (22.00%) EJB
17 22 (22.00%) E-Commerce
17 22 (22.00%) OWASP
18 20 (20.00%) Apache Solr
18 20 (20.00%) JSON
18 20 (20.00%) JSTL
18 20 (20.00%) Microservices

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 38 (38.00%) JBoss
2 20 (20.00%) Apache Solr
3 8 (8.00%) Apache
3 8 (8.00%) Oracle SOA Suite
3 8 (8.00%) Tomcat
4 6 (6.00%) Oracle Coherence
5 5 (5.00%) Apache Spark
6 3 (3.00%) Cloud Foundry
7 2 (2.00%) SAS
7 2 (2.00%) WebSphere
7 2 (2.00%) WebSphere Application Server
8 1 (1.00%) WebLogic
Applications
1 5 (5.00%) Microsoft Excel
Business Applications
1 2 (2.00%) Oracle EBS
2 1 (1.00%) IBM Operational Decision Manager
Cloud Services
1 4 (4.00%) OpenShift
2 1 (1.00%) Amazon AWS
Communications & Networking
1 5 (5.00%) FTP
1 5 (5.00%) RTP
2 2 (2.00%) SAN
3 1 (1.00%) Internet
3 1 (1.00%) SSL
3 1 (1.00%) TCP/IP
Database & Business Intelligence
1 28 (28.00%) MySQL
2 8 (8.00%) SQL Server
3 6 (6.00%) Big Data
4 5 (5.00%) Hadoop
5 4 (4.00%) Infinispan
5 4 (4.00%) InterSystems Cache
6 3 (3.00%) DB2
7 2 (2.00%) BusinessObjects
7 2 (2.00%) Data Warehouse
7 2 (2.00%) JasperReports
7 2 (2.00%) MariaDB
7 2 (2.00%) Relational Database
8 1 (1.00%) MongoDB
8 1 (1.00%) RDBMS
Development Applications
1 58 (58.00%) Maven
2 27 (27.00%) Eclipse
3 13 (13.00%) JUnit
4 11 (11.00%) JIRA
5 10 (10.00%) Jenkins
6 9 (9.00%) Git (software)
7 6 (6.00%) IntelliJ
7 6 (6.00%) Subversion
8 5 (5.00%) EasyMock
8 5 (5.00%) Mockito
9 4 (4.00%) Ant
10 3 (3.00%) Atlassian Bamboo
11 2 (2.00%) Checkstyle
11 2 (2.00%) Cucumber
11 2 (2.00%) Selenium
11 2 (2.00%) SoapUI
11 2 (2.00%) XMLUnit
General
1 23 (23.00%) Finance
2 8 (8.00%) Banking
3 3 (3.00%) Front Office
4 2 (2.00%) Investment Banking
5 1 (1.00%) Law
Job Titles
1 82 (82.00%) Developer
2 79 (79.00%) Java Developer
3 31 (31.00%) Senior Developer
4 30 (30.00%) Senior Java Developer
5 12 (12.00%) Lead Developer
5 12 (12.00%) Lead Java Developer
6 11 (11.00%) Consultant
7 10 (10.00%) Java Consultant
8 6 (6.00%) Java Web Developer
8 6 (6.00%) Web Developer
9 3 (3.00%) Cloud Consultant
9 3 (3.00%) Electronic Trading Developer
9 3 (3.00%) Electronic Trading Java Developer
9 3 (3.00%) Integration Consultant
9 3 (3.00%) Java Engineer
9 3 (3.00%) Java Integration Consultant
9 3 (3.00%) Java Team Leader
9 3 (3.00%) SOA Developer
9 3 (3.00%) Team Leader
10 2 (2.00%) Development Team Leader
Libraries, Frameworks & Software Standards
1 77 (77.00%) Hibernate
2 76 (76.00%) Spring
3 34 (34.00%) JMS
4 29 (29.00%) J2EE
5 28 (28.00%) REST
6 27 (27.00%) Web Services
7 25 (25.00%) Java EE
7 25 (25.00%) XML
8 24 (24.00%) Lucene
9 22 (22.00%) EJB
10 20 (20.00%) JSON
10 20 (20.00%) JSTL
10 20 (20.00%) Struts
11 16 (16.00%) XSLT
12 11 (11.00%) HTML
12 11 (11.00%) jBPM
13 10 (10.00%) CSS
14 9 (9.00%) AngularJS
14 9 (9.00%) Spring Boot
15 8 (8.00%) React
Miscellaneous
1 9 (9.00%) Enterprise Software
2 4 (4.00%) Algorithms
2 4 (4.00%) Fixed Income
2 4 (4.00%) Virtual Team
3 3 (3.00%) Analytical Skills
3 3 (3.00%) Computer Science
3 3 (3.00%) User Experience
4 2 (2.00%) Blog
4 2 (2.00%) Mainframe
Operating Systems
1 18 (18.00%) Linux
2 9 (9.00%) Unix
3 6 (6.00%) Debian
3 6 (6.00%) Ubuntu
4 2 (2.00%) zOS
5 1 (1.00%) Windows
Processes & Methodologies
1 66 (66.00%) SOA
2 43 (43.00%) Agile Software Development
3 28 (28.00%) TDD
4 27 (27.00%) Continuous Integration
5 26 (26.00%) MVC
5 26 (26.00%) SDLC
6 24 (24.00%) Scrum
7 22 (22.00%) E-Commerce
7 22 (22.00%) OWASP
8 20 (20.00%) Microservices
9 19 (19.00%) Workflow
10 16 (16.00%) Problem-Solving
11 12 (12.00%) Web Development
12 9 (9.00%) DevOps
13 8 (8.00%) RAD
13 8 (8.00%) Stochastic Modelling
13 8 (8.00%) UML
14 7 (7.00%) Continuous Improvement
14 7 (7.00%) Software Engineering
15 6 (6.00%) Mentoring
Programming Languages
1 99 (99.00%) Java
2 36 (36.00%) SQL
3 11 (11.00%) JavaScript
4 6 (6.00%) Java 8
5 4 (4.00%) Groovy
5 4 (4.00%) PL/SQL
5 4 (4.00%) Shell Script
6 3 (3.00%) XQuery
7 2 (2.00%) COBOL
7 2 (2.00%) PL/1
7 2 (2.00%) T-SQL
7 2 (2.00%) XPath
8 1 (1.00%) Python
8 1 (1.00%) Scala
Qualifications
1 12 (12.00%) Security Cleared
2 5 (5.00%) Degree
3 3 (3.00%) Computer Science Degree
Quality Assurance & Compliance
1 13 (13.00%) QA
2 3 (3.00%) ISO 20022
System Software
1 11 (11.00%) Docker
2 4 (4.00%) GridGain
3 2 (2.00%) Active Directory
Systems Management
1 2 (2.00%) Galera Cluster
1 2 (2.00%) OpenNebula
Vendors
1 15 (15.00%) Oracle
2 7 (7.00%) Solace
3 5 (5.00%) Microsoft
3 5 (5.00%) TIBCO
4 4 (4.00%) IBM
5 3 (3.00%) ILOG
6 2 (2.00%) Ab Initio
6 2 (2.00%) Cognizant
6 2 (2.00%) JD Edwards
6 2 (2.00%) PeopleSoft
6 2 (2.00%) Red Hat
6 2 (2.00%) Sybase
6 2 (2.00%) Twitter
7 1 (1.00%) Informatica
7 1 (1.00%) Pega