Period
to 25 November 2017

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

Drools
England > London
6 months to
25 Nov 2017
Same period 2016 Same period 2015
Rank 803 807 846
Rank change year-on-year +4 +39 +29
Permanent jobs citing Drools 39 41 57
As % of all permanent IT jobs advertised in London 0.052% 0.054% 0.064%
As % of the Libraries, Frameworks & Software Standards category 0.13% 0.13% 0.17%
Number of salaries quoted 28 25 39
London median annual salary £60,000 £47,500 £57,500
Median salary % change year-on-year +26.32% -17.39% +9.52%
10th Percentile £49,250 £46,250 £45,500
90th Percentile £85,250 £65,000 £76,250
England median annual salary £55,000 £50,000 £52,500
% change year-on-year +10.00% -4.76% +2.44%

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 29107 30465 33436
As % of all permanent IT jobs advertised in London 39.00% 40.21% 37.59%
Number of salaries quoted 23720 26828 28687
London median annual salary £60,000 £58,000 £55,000
Median salary % change year-on-year +3.45% +5.45% +4.76%
10th Percentile £36,250 £35,000 £35,000
90th Percentile £90,000 £86,250 £84,700
England median annual salary £50,000 £47,500 £45,000
% change year-on-year +5.26% +5.56% -

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 25 November 2017.

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 25 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
South London - 7 £68,750 -
Central London +8 6 £63,000 +14.55%
North London +12 1 £125,000 +127.27%
West London - 1 £45,000 -
Drools
England

For the 6 months to 25 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 across the London region with a requirement for Drools.

1 39 (100.00%) Java
2 27 (69.23%) Agile Software Development
3 25 (64.10%) Microservices
4 24 (61.54%) Spring
4 24 (61.54%) Oracle
5 23 (58.97%) Maven
5 23 (58.97%) Hibernate
6 22 (56.41%) Jenkins
7 21 (53.85%) Apache Camel
8 20 (51.28%) JMS
9 19 (48.72%) Ant
9 19 (48.72%) Subversion
10 18 (46.15%) JUnit
10 18 (46.15%) JBoss
11 17 (43.59%) Git (software)
12 16 (41.03%) Solace
12 16 (41.03%) SQL
13 15 (38.46%) Web Services
13 15 (38.46%) Banking
13 15 (38.46%) Unit Testing
13 15 (38.46%) REST
14 14 (35.90%) Scrum
14 14 (35.90%) XSD
14 14 (35.90%) Eclipse
15 13 (33.33%) UML
15 13 (33.33%) Enterprise Software
16 12 (30.77%) Oracle SOA Suite
16 12 (30.77%) OpenShift
16 12 (30.77%) Spring Boot
16 12 (30.77%) PL/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 18 (46.15%) JBoss
2 12 (30.77%) Oracle SOA Suite
3 9 (23.08%) Apache Solr
3 9 (23.08%) Apache Spark
4 8 (20.51%) Confluence
5 7 (17.95%) Apache
6 5 (12.82%) Oracle Coherence
6 5 (12.82%) Tomcat
7 3 (7.69%) Jetty
7 3 (7.69%) nginx
7 3 (7.69%) WebLogic
7 3 (7.69%) WebSphere
Business Applications
1 1 (2.56%) Oracle BPM
Cloud Services
1 12 (30.77%) OpenShift
2 6 (15.38%) Amazon AWS
3 1 (2.56%) Cloud Computing
3 1 (2.56%) PaaS
Communications & Networking
1 12 (30.77%) FTP
2 9 (23.08%) Kerberos
3 4 (10.26%) SMS
4 3 (7.69%) HTTP
4 3 (7.69%) HTTPS
4 3 (7.69%) SNMP
4 3 (7.69%) TCP/IP
Database & Business Intelligence
1 11 (28.21%) PostgreSQL
2 9 (23.08%) Big Data
2 9 (23.08%) Hadoop
2 9 (23.08%) HBase
3 5 (12.82%) DataStax
3 5 (12.82%) InterSystems Cache
4 4 (10.26%) Amazon DynamoDB
5 3 (7.69%) Blockchain
5 3 (7.69%) MySQL
5 3 (7.69%) Oracle Database
5 3 (7.69%) Oracle Database 11g
5 3 (7.69%) Relational Database
Development Applications
1 23 (58.97%) Maven
2 22 (56.41%) Jenkins
3 19 (48.72%) Ant
3 19 (48.72%) Subversion
4 18 (46.15%) JUnit
5 17 (43.59%) Git (software)
6 14 (35.90%) Eclipse
7 12 (30.77%) IntelliJ
8 11 (28.21%) Checkstyle
9 10 (25.64%) SoapUI
9 10 (25.64%) XMLUnit
10 8 (20.51%) Cucumber
10 8 (20.51%) JIRA
11 5 (12.82%) Mockito
12 4 (10.26%) EasyMock
13 3 (7.69%) CppUnit
13 3 (7.69%) GDB
13 3 (7.69%) Hudson
13 3 (7.69%) Sonatype Nexus
13 3 (7.69%) Valgrind
General
1 15 (38.46%) Banking
2 10 (25.64%) Finance
3 3 (7.69%) Electronics
3 3 (7.69%) Front Office
3 3 (7.69%) Manufacturing
3 3 (7.69%) Marketing
3 3 (7.69%) Telecoms
4 2 (5.13%) Investment Banking
5 1 (2.56%) Games
5 1 (2.56%) Retail
Job Titles
1 35 (89.74%) Developer
2 27 (69.23%) Java Developer
3 10 (25.64%) EAI Developer
3 10 (25.64%) SOA Developer
4 5 (12.82%) Big Data Developer
5 4 (10.26%) Senior Developer
5 4 (10.26%) Senior Java Developer
6 3 (7.69%) Big Data Engineer
6 3 (7.69%) Blockchain Developer
6 3 (7.69%) C++ Developer
6 3 (7.69%) Data Engineer
6 3 (7.69%) Hadoop Engineer
7 2 (5.13%) Consultant
7 2 (5.13%) Electronic Trading Developer
7 2 (5.13%) Electronic Trading Java Developer
7 2 (5.13%) Java Consultant
8 1 (2.56%) Architect
8 1 (2.56%) Data Architect
8 1 (2.56%) Front Office Developer
8 1 (2.56%) Middleware Developer
Libraries, Frameworks & Software Standards
1 24 (61.54%) Spring
2 23 (58.97%) Hibernate
3 21 (53.85%) Apache Camel
4 20 (51.28%) JMS
5 15 (38.46%) REST
5 15 (38.46%) Web Services
6 14 (35.90%) XSD
7 12 (30.77%) JDBC
7 12 (30.77%) Spring Boot
8 11 (28.21%) JavaBeans
9 10 (25.64%) EJB
9 10 (25.64%) EJB 3.0
9 10 (25.64%) XSL
10 9 (23.08%) Kafka
11 7 (17.95%) JSP
12 5 (12.82%) TinkerPop
12 5 (12.82%) XML
13 4 (10.26%) JPA
13 4 (10.26%) Rendezvous
13 4 (10.26%) Samza
Miscellaneous
1 13 (33.33%) Enterprise Software
2 6 (15.38%) Algorithms
3 4 (10.26%) Analytical Skills
4 3 (7.69%) Fintech
4 3 (7.69%) Greenfield Project
5 2 (5.13%) Fixed Income
Operating Systems
1 5 (12.82%) Linux
2 3 (7.69%) Windows
3 1 (2.56%) Unix
Processes & Methodologies
1 27 (69.23%) Agile Software Development
2 25 (64.10%) Microservices
3 15 (38.46%) Unit Testing
4 14 (35.90%) Scrum
5 13 (33.33%) UML
6 12 (30.77%) SOA
7 11 (28.21%) Code Coverage
8 10 (25.64%) EAI
8 10 (25.64%) Fund Management
8 10 (25.64%) Investment Management
8 10 (25.64%) Sequence Diagram
8 10 (25.64%) TDD
8 10 (25.64%) Use Case
8 10 (25.64%) User Acceptance Testing
8 10 (25.64%) Waterfall
9 9 (23.08%) BDD
9 9 (23.08%) Continuous Integration
9 9 (23.08%) Data Architecture
10 7 (17.95%) Analytics
10 7 (17.95%) Business Intelligence
Programming Languages
1 39 (100.00%) Java
2 16 (41.03%) SQL
3 12 (30.77%) PL/SQL
3 12 (30.77%) T-SQL
4 11 (28.21%) XPath
5 7 (17.95%) Groovy
5 7 (17.95%) Python
5 7 (17.95%) Scala
5 7 (17.95%) Shell Script
6 3 (7.69%) C
6 3 (7.69%) C#
6 3 (7.69%) C++
6 3 (7.69%) Go
6 3 (7.69%) JavaScript
6 3 (7.69%) Ruby
Qualifications
1 2 (5.13%) SC Cleared
1 2 (5.13%) Security Cleared
Quality Assurance & Compliance
1 12 (30.77%) QA
System Software
1 9 (23.08%) HDFS
2 8 (20.51%) Docker
3 7 (17.95%) Apache ZooKeeper
4 4 (10.26%) GridGain
Systems Management
1 8 (20.51%) Ansible
1 8 (20.51%) Terraform
2 7 (17.95%) Kubernetes
3 2 (5.13%) Ambari
3 2 (5.13%) Puppet
Vendors
1 24 (61.54%) Oracle
2 16 (41.03%) Solace
3 12 (30.77%) Sybase
4 5 (12.82%) Google
4 5 (12.82%) Hortonworks
5 4 (10.26%) ILOG
5 4 (10.26%) TIBCO
6 3 (7.69%) Altova
6 3 (7.69%) SAP
6 3 (7.69%) Splunk
7 2 (5.13%) MuleSoft
7 2 (5.13%) Red Hat
8 1 (2.56%) Perforce