Period
to 20 February 2018

The following table provides summary statistics for permanent job vacancies advertised in London 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 20 February 2018 with a comparison to the same period in the previous 2 years.

Drools
England > London
6 months to
20 Feb 2018
Same period 2017 Same period 2016
Rank 781 729 858
Rank change year-on-year -52 +129 +9
Permanent jobs citing Drools 32 71 57
As % of all permanent IT jobs advertised in London 0.045% 0.10% 0.067%
As % of the Libraries, Frameworks & Software Standards category 0.11% 0.25% 0.17%
Number of salaries quoted 25 38 39
London median annual salary £60,000 £60,000 £52,500
Median salary % change year-on-year - +14.29% -6.67%
10th Percentile £53,000 £46,250 £37,500
90th Percentile £79,750 £68,750 £65,000
England median annual salary £57,500 £55,000 £50,000
% change year-on-year +4.55% +10.00% +2.56%

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 advertised in London with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
London
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 28,301 27,867 33,142
As % of all permanent IT jobs advertised in London 40.19% 40.02% 38.88%
Number of salaries quoted 23,727 24,347 28,631
London median annual salary £60,000 £60,000 £55,000
Median salary % change year-on-year - +9.09% -
10th Percentile £37,500 £35,000 £35,000
90th Percentile £90,000 £87,500 £85,000
England median annual salary £50,000 £47,500 £46,000
% change year-on-year +5.26% +3.26% +2.22%

Drools
Job Vacancy Trend in London

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

Job vacancy trend for Drools in London

Drools
Salary Trend in London

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

Salary trend for Drools in London

Drools
Salary Histogram in London

The salary distribution of IT jobs citing Drools in London over the 6 months to 20 February 2018.

Salary histogram for Drools in London

Drools
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Drools within the London region over the 6 months to 20 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
Central London -25 7 £63,000 -6.67% 1
South London - 5 £65,000 -
Drools
England

For the 6 months to 20 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 across the London region with a requirement for Drools.

1 31 (96.88%) Java
2 25 (78.13%) Agile Software Development
3 24 (75.00%) Oracle
4 23 (71.88%) Maven
4 23 (71.88%) Hibernate
5 20 (62.50%) JMS
6 19 (59.38%) JUnit
7 18 (56.25%) Spring
7 18 (56.25%) Jenkins
7 18 (56.25%) Microservices
7 18 (56.25%) Solace
8 17 (53.13%) Subversion
9 16 (50.00%) Banking
9 16 (50.00%) Ant
10 14 (43.75%) SQL
10 14 (43.75%) Web Services
10 14 (43.75%) JBoss
10 14 (43.75%) Git (software)
10 14 (43.75%) Apache Camel
11 13 (40.63%) QA
11 13 (40.63%) XSD
12 12 (37.50%) UML
12 12 (37.50%) Eclipse
12 12 (37.50%) Unit Testing
12 12 (37.50%) Enterprise Software
13 11 (34.38%) OpenShift
13 11 (34.38%) Oracle SOA Suite
13 11 (34.38%) SOA
13 11 (34.38%) FTP
13 11 (34.38%) T-SQL

Drools
Co-occurring IT Skills in London 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 14 (43.75%) JBoss
2 11 (34.38%) Oracle SOA Suite
3 6 (18.75%) Oracle Coherence
4 4 (12.50%) Apache Solr
4 4 (12.50%) Apache Spark
4 4 (12.50%) Tomcat
5 3 (9.38%) Apache
5 3 (9.38%) Confluence
5 3 (9.38%) Jetty
5 3 (9.38%) nginx
5 3 (9.38%) WebLogic
5 3 (9.38%) WebSphere
Cloud Services
1 11 (34.38%) OpenShift
2 3 (9.38%) Amazon AWS
3 1 (3.13%) PaaS
Communications & Networking
1 11 (34.38%) FTP
2 4 (12.50%) Kerberos
3 3 (9.38%) HTTP
3 3 (9.38%) HTTPS
3 3 (9.38%) SMS
3 3 (9.38%) SNMP
3 3 (9.38%) TCP/IP
Database & Business Intelligence
1 6 (18.75%) InterSystems Cache
1 6 (18.75%) PostgreSQL
2 4 (12.50%) Big Data
2 4 (12.50%) DataStax
2 4 (12.50%) Hadoop
2 4 (12.50%) HBase
3 3 (9.38%) Amazon DynamoDB
3 3 (9.38%) Blockchain
3 3 (9.38%) MySQL
3 3 (9.38%) Oracle Database
3 3 (9.38%) Oracle Database 11g
3 3 (9.38%) Relational Database
Development Applications
1 23 (71.88%) Maven
2 19 (59.38%) JUnit
3 18 (56.25%) Jenkins
4 17 (53.13%) Subversion
5 16 (50.00%) Ant
6 14 (43.75%) Git (software)
7 12 (37.50%) Eclipse
8 10 (31.25%) Checkstyle
9 9 (28.13%) IntelliJ
9 9 (28.13%) SoapUI
9 9 (28.13%) XMLUnit
10 7 (21.88%) EasyMock
10 7 (21.88%) Mockito
11 3 (9.38%) CppUnit
11 3 (9.38%) Cucumber
11 3 (9.38%) GDB
11 3 (9.38%) Hudson
11 3 (9.38%) JIRA
11 3 (9.38%) Valgrind
11 3 (9.38%) XMLSpy
General
1 16 (50.00%) Banking
2 8 (25.00%) Finance
3 4 (12.50%) Front Office
4 3 (9.38%) Investment Banking
Job Titles
1 31 (96.88%) Developer
2 23 (71.88%) Java Developer
3 9 (28.13%) EAI Developer
3 9 (28.13%) SOA Developer
4 4 (12.50%) Big Data Developer
5 3 (9.38%) Blockchain Developer
5 3 (9.38%) C++ Developer
6 2 (6.25%) Consultant
6 2 (6.25%) Electronic Trading Developer
6 2 (6.25%) Electronic Trading Java Developer
6 2 (6.25%) Front Office Developer
6 2 (6.25%) Investment Banking Java Developer
6 2 (6.25%) Senior Developer
6 2 (6.25%) Senior Java Developer
7 1 (3.13%) Banking Business Analyst
7 1 (3.13%) Business Analyst
7 1 (3.13%) Business Consultant
7 1 (3.13%) Integration Developer
7 1 (3.13%) Java Middleware Developer
7 1 (3.13%) Middleware Developer
Libraries, Frameworks & Software Standards
1 23 (71.88%) Hibernate
2 20 (62.50%) JMS
3 18 (56.25%) Spring
4 14 (43.75%) Apache Camel
4 14 (43.75%) Web Services
5 13 (40.63%) XSD
6 10 (31.25%) JavaBeans
6 10 (31.25%) JDBC
7 9 (28.13%) EJB
7 9 (28.13%) EJB 3.0
7 9 (28.13%) XSL
8 8 (25.00%) REST
9 6 (18.75%) FIX Protocol
9 6 (18.75%) JMX
9 6 (18.75%) Rendezvous
10 5 (15.63%) CSS
10 5 (15.63%) HTML
10 5 (15.63%) J2EE
10 5 (15.63%) Spring Boot
11 4 (12.50%) TinkerPop
Miscellaneous
1 12 (37.50%) Enterprise Software
2 3 (9.38%) Algorithms
2 3 (9.38%) Analytical Skills
2 3 (9.38%) Fintech
2 3 (9.38%) Fixed Income
3 1 (3.13%) User Experience
Operating Systems
1 3 (9.38%) Linux
1 3 (9.38%) Windows
Processes & Methodologies
1 25 (78.13%) Agile Software Development
2 18 (56.25%) Microservices
3 12 (37.50%) UML
3 12 (37.50%) Unit Testing
4 11 (34.38%) SOA
5 10 (31.25%) Code Coverage
5 10 (31.25%) Scrum
6 9 (28.13%) Continuous Integration
6 9 (28.13%) EAI
6 9 (28.13%) Fund Management
6 9 (28.13%) Investment Management
6 9 (28.13%) Sequence Diagram
6 9 (28.13%) Use Case
6 9 (28.13%) User Acceptance Testing
6 9 (28.13%) Waterfall
7 7 (21.88%) Concurrent Programming
8 6 (18.75%) Algorithmic Trading
8 6 (18.75%) Analytics
8 6 (18.75%) JVM Tuning
8 6 (18.75%) OO
Programming Languages
1 31 (96.88%) Java
2 14 (43.75%) SQL
3 11 (34.38%) PL/SQL
3 11 (34.38%) T-SQL
4 10 (31.25%) XPath
5 9 (28.13%) Shell Script
6 6 (18.75%) Python
6 6 (18.75%) Scala
7 5 (15.63%) Groovy
8 4 (12.50%) Gremlin
9 3 (9.38%) C
9 3 (9.38%) C#
9 3 (9.38%) C++
9 3 (9.38%) Go
9 3 (9.38%) JavaScript
9 3 (9.38%) Ruby
Qualifications
1 2 (6.25%) SC Cleared
1 2 (6.25%) Security Cleared
Quality Assurance & Compliance
1 13 (40.63%) QA
System Software
1 6 (18.75%) GridGain
2 4 (12.50%) HDFS
3 3 (9.38%) Apache ZooKeeper
3 3 (9.38%) Docker
Systems Management
1 3 (9.38%) Ansible
1 3 (9.38%) Kubernetes
1 3 (9.38%) Terraform
2 1 (3.13%) Ambari
2 1 (3.13%) Puppet
Vendors
1 24 (75.00%) Oracle
2 18 (56.25%) Solace
3 11 (34.38%) Sybase
4 7 (21.88%) TIBCO
5 4 (12.50%) Google
5 4 (12.50%) Hortonworks
5 4 (12.50%) ILOG
6 3 (9.38%) Altova
6 3 (9.38%) Splunk
7 1 (3.13%) IBM
7 1 (3.13%) Pega
7 1 (3.13%) Red Hat