Period
to 23 November 2017

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 23 November 2017 with a comparison to the same period in the previous 2 years.

Drools
UK
6 months to
23 Nov 2017
Same period 2016 Same period 2015
Rank 1093 1118 1172
Rank change year-on-year +25 +54 +64
Permanent jobs citing Drools 96 119 124
As % of all permanent IT jobs advertised in the UK 0.053% 0.063% 0.057%
As % of the Libraries, Frameworks & Software Standards category 0.13% 0.16% 0.15%
Number of salaries quoted 58 85 77
UK median annual salary £55,000 £50,000 £52,500
Median salary % change year-on-year +10.00% -4.76% +5.00%
10th Percentile £32,500 £37,500 £32,000
90th Percentile £69,375 £69,000 £75,000
UK excluding London median annual salary £40,000 £50,000 £40,000
% change year-on-year -20.00% +25.00% -21.95%

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 72188 74049 82710
As % of all permanent IT jobs advertised in the UK 40.07% 39.01% 38.03%
Number of salaries quoted 60025 64270 70733
UK median annual salary £50,000 £47,500 £45,000
Median salary % change year-on-year +5.26% +5.56% +1.12%
10th Percentile £29,750 £28,750 £27,500
90th Percentile £77,500 £76,250 £73,750
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 23 November 2017.

Salary histogram for Drools in the UK

Drools
Top 10 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 23 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +32 81 £55,000 +10.00% 5
UK excluding London +21 57 £40,000 -20.00% 6
London +8 39 £60,000 +26.32% 2
South East +32 30 £40,000 -15.79% 2
Scotland -24 15 £43,750 -9.33% 3
North of England - 10 £55,000 - 1
North West - 9 £55,000 - 1
Midlands +24 2 £55,000 +56.03%
West Midlands +15 2 £55,000 +56.03%
Yorkshire - 1 £65,000 -

For the 6 months to 23 November 2017, IT jobs citing Drools also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads with a requirement for Drools.

1 83 (86.46%) Java
2 77 (80.21%) Agile Software Development
3 53 (55.21%) Scrum
4 48 (50.00%) Spring
5 46 (47.92%) Jenkins
6 44 (45.83%) SQL
7 43 (44.79%) Maven
8 42 (43.75%) Microservices
9 40 (41.67%) TDD
10 38 (39.58%) AngularJS
11 35 (36.46%) Apache Camel
11 35 (36.46%) Hibernate
12 34 (35.42%) Open Source
13 32 (33.33%) JavaScript
13 32 (33.33%) Linux
14 31 (32.29%) Git (software)
15 28 (29.17%) JBoss
15 28 (29.17%) Finance
15 28 (29.17%) Docker
16 27 (28.13%) Subversion
16 27 (28.13%) BDD
17 26 (27.08%) jBPM
17 26 (27.08%) Oracle
17 26 (27.08%) Open Source Development
18 25 (26.04%) Tomcat
18 25 (26.04%) Eclipse
18 25 (26.04%) PostgreSQL
19 24 (25.00%) Apache
19 24 (25.00%) UML
20 23 (23.96%) SOA

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 28 (29.17%) JBoss
2 25 (26.04%) Tomcat
3 24 (25.00%) Apache
4 14 (14.58%) Oracle SOA Suite
5 9 (9.38%) Apache Solr
5 9 (9.38%) Apache Spark
6 8 (8.33%) Confluence
7 5 (5.21%) Oracle Coherence
8 3 (3.13%) Jetty
8 3 (3.13%) nginx
8 3 (3.13%) WebLogic
8 3 (3.13%) WebSphere
9 2 (2.08%) Adobe Experience Manager
9 2 (2.08%) Apache ServiceMix
9 2 (2.08%) CMS
9 2 (2.08%) Drupal
9 2 (2.08%) Mule
Business Applications
1 1 (1.04%) Oracle BPM
Cloud Services
1 12 (12.50%) Amazon AWS
1 12 (12.50%) OpenShift
2 11 (11.46%) GitHub
3 6 (6.25%) Microsoft Azure
4 1 (1.04%) Cloud Computing
4 1 (1.04%) PaaS
Communications & Networking
1 12 (12.50%) FTP
2 11 (11.46%) Internet
3 9 (9.38%) Kerberos
4 5 (5.21%) HTTP
4 5 (5.21%) SMS
5 3 (3.13%) HTTPS
5 3 (3.13%) SNMP
5 3 (3.13%) TCP/IP
Database & Business Intelligence
1 25 (26.04%) PostgreSQL
2 23 (23.96%) Hadoop
2 23 (23.96%) MongoDB
3 21 (21.88%) Big Data
3 21 (21.88%) NoSQL
4 18 (18.75%) MySQL
5 14 (14.58%) Neo4j
5 14 (14.58%) Pentaho
6 9 (9.38%) HBase
7 8 (8.33%) Blockchain
7 8 (8.33%) MariaDB
8 7 (7.29%) Redis
9 5 (5.21%) DataStax
9 5 (5.21%) InterSystems Cache
9 5 (5.21%) Relational Database
10 4 (4.17%) Amazon DynamoDB
10 4 (4.17%) Oracle Database
11 3 (3.13%) Oracle Database 11g
12 1 (1.04%) ArangoDB
Development Applications
1 46 (47.92%) Jenkins
2 43 (44.79%) Maven
3 31 (32.29%) Git (software)
4 27 (28.13%) Subversion
5 25 (26.04%) Eclipse
6 22 (22.92%) JIRA
7 19 (19.79%) Ant
7 19 (19.79%) JUnit
8 14 (14.58%) Cucumber
8 14 (14.58%) Talend Open Studio
9 12 (12.50%) IntelliJ
10 11 (11.46%) Checkstyle
11 10 (10.42%) SoapUI
11 10 (10.42%) XMLUnit
12 6 (6.25%) Selenium
13 5 (5.21%) Bitbucket
13 5 (5.21%) Mockito
14 4 (4.17%) EasyMock
15 3 (3.13%) CppUnit
15 3 (3.13%) Valgrind
General
1 28 (29.17%) Finance
2 15 (15.63%) Banking
3 4 (4.17%) Military
4 3 (3.13%) Electronics
4 3 (3.13%) Front Office
4 3 (3.13%) Manufacturing
4 3 (3.13%) Marketing
4 3 (3.13%) Telecoms
5 2 (2.08%) Investment Banking
6 1 (1.04%) Games
6 1 (1.04%) Retail
Job Titles
1 82 (85.42%) Developer
2 59 (61.46%) Java Developer
3 14 (14.58%) Software Developer
4 10 (10.42%) Big Data Developer
4 10 (10.42%) EAI Developer
4 10 (10.42%) SOA Developer
5 9 (9.38%) Java Software Developer
5 9 (9.38%) Senior Developer
5 9 (9.38%) Senior Java Developer
6 7 (7.29%) Open Source Developer
7 6 (6.25%) DevOps Engineer
7 6 (6.25%) Java Engineer
8 5 (5.21%) Digital Developer
9 4 (4.17%) Full Stack Developer
10 3 (3.13%) Big Data Engineer
10 3 (3.13%) Blockchain Developer
10 3 (3.13%) Data Engineer
10 3 (3.13%) Graduate Java Developer
10 3 (3.13%) Hadoop Engineer
10 3 (3.13%) Java Web Developer
Libraries, Frameworks & Software Standards
1 48 (50.00%) Spring
2 38 (39.58%) AngularJS
3 35 (36.46%) Apache Camel
3 35 (36.46%) Hibernate
4 26 (27.08%) jBPM
5 23 (23.96%) XML
6 22 (22.92%) JMS
7 21 (21.88%) ActiveMQ
7 21 (21.88%) HTML
8 20 (20.83%) CSS
9 19 (19.79%) Node.js
10 18 (18.75%) REST
10 18 (18.75%) Web Services
11 17 (17.71%) Java EE
12 16 (16.67%) React
13 15 (15.63%) KnockoutJS
13 15 (15.63%) XSD
14 14 (14.58%) Apache CXF
14 14 (14.58%) D3.js
14 14 (14.58%) JDBC
Miscellaneous
1 18 (18.75%) Greenfield Project
2 13 (13.54%) Computer Science
2 13 (13.54%) Enterprise Software
3 9 (9.38%) Internet of Things
4 6 (6.25%) Algorithms
5 4 (4.17%) Analytical Skills
5 4 (4.17%) Fintech
6 2 (2.08%) Fixed Income
Operating Systems
1 32 (33.33%) Linux
2 19 (19.79%) Ubuntu
3 14 (14.58%) CentOS
3 14 (14.58%) Unix
4 5 (5.21%) Debian
5 3 (3.13%) Windows
Processes & Methodologies
1 77 (80.21%) Agile Software Development
2 53 (55.21%) Scrum
3 42 (43.75%) Microservices
4 40 (41.67%) TDD
5 34 (35.42%) Open Source
6 27 (28.13%) BDD
7 26 (27.08%) Open Source Development
8 24 (25.00%) UML
9 23 (23.96%) Continuous Integration
9 23 (23.96%) SOA
10 21 (21.88%) OO
11 15 (15.63%) Unit Testing
12 14 (14.58%) Analytics
13 13 (13.54%) Web Development
14 12 (12.50%) DevOps
15 11 (11.46%) Code Coverage
15 11 (11.46%) EAI
15 11 (11.46%) Sequence Diagram
15 11 (11.46%) Use Case
16 10 (10.42%) Workflow
Programming Languages
1 83 (86.46%) Java
2 44 (45.83%) SQL
3 32 (33.33%) JavaScript
4 21 (21.88%) Python
5 14 (14.58%) Jython
6 13 (13.54%) PL/SQL
7 12 (12.50%) T-SQL
8 11 (11.46%) XPath
9 9 (9.38%) Scala
10 8 (8.33%) Groovy
11 7 (7.29%) Shell Script
12 5 (5.21%) Ruby
13 3 (3.13%) C
13 3 (3.13%) C#
13 3 (3.13%) C++
13 3 (3.13%) Go
14 2 (2.08%) PHP
Qualifications
1 13 (13.54%) Degree
2 10 (10.42%) Computer Science Degree
3 9 (9.38%) SC Cleared
3 9 (9.38%) Security Cleared
Quality Assurance & Compliance
1 20 (20.83%) QA
System Software
1 28 (29.17%) Docker
2 9 (9.38%) HDFS
3 7 (7.29%) Apache ZooKeeper
4 4 (4.17%) GridGain
Systems Management
1 14 (14.58%) Ansible
2 8 (8.33%) Puppet
2 8 (8.33%) Terraform
3 7 (7.29%) Kubernetes
4 6 (6.25%) Galera Cluster
4 6 (6.25%) OpenNebula
4 6 (6.25%) Opscode Chef
5 2 (2.08%) Ambari
Vendors
1 26 (27.08%) Oracle
2 16 (16.67%) Solace
3 14 (14.58%) Talend
4 12 (12.50%) Sybase
5 5 (5.21%) Google
5 5 (5.21%) Hortonworks
6 4 (4.17%) ILOG
6 4 (4.17%) TIBCO
7 3 (3.13%) Altova
7 3 (3.13%) Red Hat
7 3 (3.13%) SAP
7 3 (3.13%) Splunk
8 2 (2.08%) Adobe
8 2 (2.08%) Microsoft
8 2 (2.08%) MuleSoft
9 1 (1.04%) Perforce