Period
to 24 February 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 24 February 2018 with a comparison to the same period in the previous 2 years.

Drools
UK
6 months to
24 Feb 2018
Same period 2017 Same period 2016
Rank 1072 1015 1163
Rank change year-on-year -57 +148 +71
Permanent jobs citing Drools 100 157 141
As % of all permanent IT jobs advertised in the UK 0.057% 0.089% 0.067%
As % of the Libraries, Frameworks & Software Standards category 0.14% 0.23% 0.17%
Number of salaries quoted 70 110 84
UK median annual salary £55,000 £55,000 £50,000
Median salary % change year-on-year - +10.00% -6.98%
10th Percentile £41,225 £37,500 £32,000
90th Percentile £70,000 £68,750 £70,000
UK excluding London median annual salary £52,500 £50,000 £40,000
% change year-on-year +5.00% +25.00% -20.00%

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 71,359 69,455 81,372
As % of all permanent IT jobs advertised in the UK 40.74% 39.54% 38.55%
Number of salaries quoted 60,296 59,787 69,786
UK median annual salary £50,000 £47,500 £45,000
Median salary % change year-on-year +5.26% +5.56% -
10th Percentile £30,000 £29,000 £28,000
90th Percentile £78,750 £76,250 £75,000
UK excluding London median annual salary £42,500 £42,500 £40,000
% change year-on-year - +6.25% -

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 24 February 2018.

Salary histogram for Drools in the UK

Drools
Top 8 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 24 February 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
England -46 71 £56,250 +2.27% 6
UK excluding London -22 69 £52,500 +5.00% 8
South East +12 35 £52,500 +31.25%
London -42 31 £60,000 - 2
Scotland -31 29 £52,500 +12.90% 4
North of England - 5 £55,000 - 3
North West - 4 £45,000 - 2
Yorkshire - 1 £65,000 -

For the 6 months to 24 February 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 95 (95.00%) Java
2 60 (60.00%) Agile Software Development
2 60 (60.00%) Maven
2 60 (60.00%) Spring
3 57 (57.00%) Hibernate
4 44 (44.00%) SQL
4 44 (44.00%) SOA
5 40 (40.00%) Scrum
6 36 (36.00%) Jenkins
7 32 (32.00%) Java EE
7 32 (32.00%) TDD
7 32 (32.00%) JBoss
7 32 (32.00%) XML
8 30 (30.00%) JavaScript
8 30 (30.00%) MySQL
8 30 (30.00%) JMS
8 30 (30.00%) Eclipse
9 29 (29.00%) Finance
10 28 (28.00%) AngularJS
11 27 (27.00%) Continuous Integration
12 26 (26.00%) Linux
12 26 (26.00%) Oracle
13 25 (25.00%) Subversion
13 25 (25.00%) Workflow
14 24 (24.00%) HTML
14 24 (24.00%) Web Services
14 24 (24.00%) CSS
14 24 (24.00%) jBPM
15 23 (23.00%) Tomcat
16 21 (21.00%) Apache

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 32 (32.00%) JBoss
2 23 (23.00%) Tomcat
3 21 (21.00%) Apache
4 13 (13.00%) Apache Solr
4 13 (13.00%) Oracle SOA Suite
5 6 (6.00%) Oracle Coherence
6 5 (5.00%) WebSphere
7 4 (4.00%) Apache Spark
8 3 (3.00%) Confluence
8 3 (3.00%) Jetty
8 3 (3.00%) nginx
8 3 (3.00%) WebLogic
9 2 (2.00%) SAS
9 2 (2.00%) WebSphere Application Server
Business Applications
1 1 (1.00%) IBM Operational Decision Manager
Cloud Services
1 10 (10.00%) OpenShift
2 6 (6.00%) Amazon AWS
2 6 (6.00%) GitHub
3 3 (3.00%) Microsoft Azure
4 1 (1.00%) PaaS
Communications & Networking
1 10 (10.00%) FTP
2 5 (5.00%) Internet
3 4 (4.00%) Kerberos
3 4 (4.00%) SMS
4 3 (3.00%) HTTP
4 3 (3.00%) HTTPS
4 3 (3.00%) SNMP
4 3 (3.00%) TCP/IP
5 2 (2.00%) SAN
Database & Business Intelligence
1 30 (30.00%) MySQL
2 11 (11.00%) PostgreSQL
3 10 (10.00%) MongoDB
4 9 (9.00%) Hadoop
5 8 (8.00%) NoSQL
6 7 (7.00%) Big Data
7 6 (6.00%) Blockchain
7 6 (6.00%) InterSystems Cache
7 6 (6.00%) MariaDB
8 5 (5.00%) Neo4j
8 5 (5.00%) Pentaho
8 5 (5.00%) Relational Database
9 4 (4.00%) DataStax
9 4 (4.00%) HBase
9 4 (4.00%) Redis
10 3 (3.00%) Amazon DynamoDB
10 3 (3.00%) Oracle Database
10 3 (3.00%) Oracle Database 11g
11 2 (2.00%) JasperReports
11 2 (2.00%) SQL Server
Development Applications
1 60 (60.00%) Maven
2 36 (36.00%) Jenkins
3 30 (30.00%) Eclipse
4 25 (25.00%) Subversion
5 21 (21.00%) JUnit
6 20 (20.00%) Git (software)
7 15 (15.00%) Ant
8 10 (10.00%) JIRA
9 9 (9.00%) Checkstyle
10 8 (8.00%) Cucumber
10 8 (8.00%) IntelliJ
10 8 (8.00%) SoapUI
10 8 (8.00%) XMLUnit
11 7 (7.00%) EasyMock
11 7 (7.00%) Mockito
12 5 (5.00%) Selenium
13 3 (3.00%) CppUnit
13 3 (3.00%) GDB
13 3 (3.00%) Hudson
13 3 (3.00%) Valgrind
General
1 29 (29.00%) Finance
2 16 (16.00%) Banking
3 4 (4.00%) Front Office
3 4 (4.00%) Investment Banking
4 1 (1.00%) Law
Job Titles
1 88 (88.00%) Developer
2 74 (74.00%) Java Developer
3 22 (22.00%) Senior Developer
4 21 (21.00%) Senior Java Developer
5 9 (9.00%) Java Web Developer
5 9 (9.00%) Web Developer
6 8 (8.00%) EAI Developer
6 8 (8.00%) SOA Developer
7 7 (7.00%) Big Data Developer
7 7 (7.00%) Lead Developer
7 7 (7.00%) Lead Java Developer
8 5 (5.00%) DevOps Engineer
8 5 (5.00%) Java Engineer
8 5 (5.00%) Java Team Leader
8 5 (5.00%) Team Leader
9 4 (4.00%) Java Software Developer
9 4 (4.00%) Software Developer
10 3 (3.00%) C++ Developer
10 3 (3.00%) Consultant
10 3 (3.00%) Open Source Developer
Libraries, Frameworks & Software Standards
1 60 (60.00%) Spring
2 57 (57.00%) Hibernate
3 32 (32.00%) Java EE
3 32 (32.00%) XML
4 30 (30.00%) JMS
5 28 (28.00%) AngularJS
6 24 (24.00%) CSS
6 24 (24.00%) HTML
6 24 (24.00%) jBPM
6 24 (24.00%) Web Services
7 19 (19.00%) J2EE
8 18 (18.00%) Apache Camel
8 18 (18.00%) KnockoutJS
8 18 (18.00%) REST
9 17 (17.00%) EJB
9 17 (17.00%) React
10 16 (16.00%) Polymer
10 16 (16.00%) XSLT
11 12 (12.00%) JSON
11 12 (12.00%) XSD
Miscellaneous
1 13 (13.00%) Enterprise Software
2 6 (6.00%) Greenfield Project
3 5 (5.00%) Analytical Skills
3 5 (5.00%) Fintech
3 5 (5.00%) Internet of Things
4 3 (3.00%) Algorithms
4 3 (3.00%) Fixed Income
4 3 (3.00%) User Experience
5 2 (2.00%) Computer Science
5 2 (2.00%) Mainframe
5 2 (2.00%) Virtual Team
Operating Systems
1 26 (26.00%) Linux
2 16 (16.00%) Ubuntu
2 16 (16.00%) Unix
3 11 (11.00%) Debian
4 5 (5.00%) CentOS
5 3 (3.00%) Windows
6 2 (2.00%) zOS
Processes & Methodologies
1 60 (60.00%) Agile Software Development
2 44 (44.00%) SOA
3 40 (40.00%) Scrum
4 32 (32.00%) TDD
5 27 (27.00%) Continuous Integration
6 25 (25.00%) Workflow
7 19 (19.00%) Microservices
8 16 (16.00%) Open Source
9 15 (15.00%) MVC
9 15 (15.00%) Stochastic Modelling
9 15 (15.00%) Web Development
10 14 (14.00%) SDLC
10 14 (14.00%) UML
11 12 (12.00%) Unit Testing
12 11 (11.00%) BPMN
12 11 (11.00%) E-Commerce
12 11 (11.00%) Open Source Development
12 11 (11.00%) OWASP
13 10 (10.00%) BDD
13 10 (10.00%) Waterfall
Programming Languages
1 95 (95.00%) Java
2 44 (44.00%) SQL
3 30 (30.00%) JavaScript
4 12 (12.00%) PL/SQL
5 11 (11.00%) Python
6 10 (10.00%) T-SQL
7 9 (9.00%) Shell Script
7 9 (9.00%) XPath
8 6 (6.00%) Groovy
8 6 (6.00%) Scala
9 5 (5.00%) Jython
10 4 (4.00%) Gremlin
11 3 (3.00%) C
11 3 (3.00%) C#
11 3 (3.00%) C++
11 3 (3.00%) Go
11 3 (3.00%) Ruby
12 2 (2.00%) COBOL
12 2 (2.00%) PL/1
Qualifications
1 6 (6.00%) Security Cleared
2 4 (4.00%) Degree
3 3 (3.00%) SC Cleared
4 2 (2.00%) Computer Science Degree
Quality Assurance & Compliance
1 15 (15.00%) QA
System Software
1 13 (13.00%) Docker
2 6 (6.00%) GridGain
3 4 (4.00%) HDFS
4 3 (3.00%) Apache ZooKeeper
5 2 (2.00%) Active Directory
Systems Management
1 6 (6.00%) Ansible
2 5 (5.00%) Galera Cluster
2 5 (5.00%) OpenNebula
3 4 (4.00%) Puppet
4 3 (3.00%) Kubernetes
4 3 (3.00%) Opscode Chef
4 3 (3.00%) Terraform
5 1 (1.00%) Ambari
Vendors
1 26 (26.00%) Oracle
2 17 (17.00%) Solace
3 10 (10.00%) Sybase
4 7 (7.00%) TIBCO
5 5 (5.00%) Talend
6 4 (4.00%) Google
6 4 (4.00%) Hortonworks
6 4 (4.00%) IBM
6 4 (4.00%) ILOG
7 3 (3.00%) Altova
7 3 (3.00%) Splunk
8 2 (2.00%) Ab Initio
9 1 (1.00%) Pega
9 1 (1.00%) Red Hat