The following table provides summary statistics for contract job vacancies advertised in London with a requirement for Drools skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Drools over the 3 months to 27 June 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Drools
England / London
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 410 409 418
Rank change year-on-year -1 +9  
Contract jobs citing Drools 14 18 16
As % of all contract IT jobs advertised in London 0.067% 0.083% 0.069%
As % of the Libraries, Frameworks & Software Standards category 0.19% 0.25% 0.22%
Number of daily rates quoted 6 10 11
Median daily rate £538 £525 £370
Median daily rate % change year-on-year +2.38% +41.89%  
90% offered a daily rate of more than £488 £473 £300
10% offered a daily rate of more than £560 £550 £600
UK excluding London median daily rate £500 £363 £370
% change year-on-year +37.93% -2.02%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

Drools is in the industry standards, technical specifications and software library and framework skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in London with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
London
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 7469 7068 7228
As % of all contract IT job vacancies advertised in London 35.88% 32.45% 31.38%
Number of daily rates quoted 5550 5424 5248
Median daily rate £475 £450 £425
Median daily rate % change year-on-year +5.55% +5.88%  
90% offered a daily rate of more than £350 £325 £310
10% offered a daily rate of more than £600 £600 £575
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 50 25 49
Median hourly rate £31.00 £40.00 £22.50
Median hourly rate % change year-on-year -22.50% +77.77%  
90% offered a hourly rate of more than £16.00 £20.00 £16.09
10% offered a hourly rate of more than £55.00 £190.00 £60.00
UK excluding London median hourly rate £42.50 £36.00 £40.00
% change year-on-year +18.05% -10.00%  

Drools
Job Vacancy Trend in London

The job posting trend of jobs advertised in London citing Drools as a proportion of all contract or permanent IT jobs with a match in the Libraries, Frameworks & Software Standards category.

Job vacancy trend for Drools in London

Drools
Contractor Daily Rate Trend in London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Drools in London.

Contractor daily rate trend for Drools in London

Drools
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Drools within the London region over the 3 months to 27 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Croydon 0 6 £548 +21.66% 3
Drools
England

For the 6 months to 27 June 2017, IT contractor jobs citing Drools also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the London region with a requirement for Drools.

1 14 (100.00%) Java
1 14 (100.00%) Microservices
2 13 (92.86%) Spring Boot
2 13 (92.86%) Spring
3 12 (85.71%) Security Cleared
3 12 (85.71%) Data Architecture
3 12 (85.71%) Apache Solr
3 12 (85.71%) Hadoop
3 12 (85.71%) Cucumber
3 12 (85.71%) BDD
3 12 (85.71%) REST
3 12 (85.71%) HBase
3 12 (85.71%) Apache ZooKeeper
3 12 (85.71%) Big Data
3 12 (85.71%) Kafka
3 12 (85.71%) Kerberos
3 12 (85.71%) TDD
3 12 (85.71%) Apache Spark
3 12 (85.71%) Algorithms
3 12 (85.71%) HDFS
4 10 (71.43%) Apache Camel
4 10 (71.43%) SC Cleared
5 9 (64.29%) JIRA
5 9 (64.29%) Ansible
5 9 (64.29%) Docker
5 9 (64.29%) Confluence
5 9 (64.29%) PostgreSQL
5 9 (64.29%) Kubernetes
5 9 (64.29%) Terraform
6 7 (50.00%) IntelliJ

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 12 (85.71%) Apache Solr
1 12 (85.71%) Apache Spark
2 9 (64.29%) Confluence
3 1 (7.14%) JBoss
3 1 (7.14%) Oracle SOA Suite
Business Applications
1 1 (7.14%) SAP Oil and Gas
Cloud Services
1 3 (21.43%) GitHub
2 1 (7.14%) OpenShift
Communications & Networking
1 12 (85.71%) Kerberos
2 1 (7.14%) FTP
Database & Business Intelligence
1 12 (85.71%) Big Data
1 12 (85.71%) Hadoop
1 12 (85.71%) HBase
2 9 (64.29%) PostgreSQL
Development Applications
1 12 (85.71%) Cucumber
2 9 (64.29%) JIRA
3 7 (50.00%) IntelliJ
4 3 (21.43%) GitLab
5 1 (7.14%) Ant
5 1 (7.14%) Checkstyle
5 1 (7.14%) Eclipse
5 1 (7.14%) Jenkins
5 1 (7.14%) JUnit
5 1 (7.14%) Maven
5 1 (7.14%) SoapUI
5 1 (7.14%) Subversion
5 1 (7.14%) XMLUnit
General
1 1 (7.14%) Banking
1 1 (7.14%) Electronics
1 1 (7.14%) Finance
1 1 (7.14%) Manufacturing
1 1 (7.14%) Marketing
1 1 (7.14%) Retail
1 1 (7.14%) Telecoms
Job Titles
1 9 (64.29%) Data Engineer
2 8 (57.14%) Developer
3 6 (42.86%) Big Data Engineer
4 5 (35.71%) Hadoop Engineer
5 3 (21.43%) Big Data Developer
5 3 (21.43%) Hadoop Developer
6 2 (14.29%) Java Developer
6 2 (14.29%) Java Engineer
6 2 (14.29%) Senior Data Engineer
7 1 (7.14%) Agile Developer
7 1 (7.14%) Agile Java Developer
7 1 (7.14%) Integration Developer
7 1 (7.14%) Senior Hadoop Engineer
Libraries, Frameworks & Software Standards
1 13 (92.86%) Spring
1 13 (92.86%) Spring Boot
2 12 (85.71%) Kafka
2 12 (85.71%) REST
3 10 (71.43%) Apache Camel
4 1 (7.14%) Hibernate
4 1 (7.14%) JavaBeans
4 1 (7.14%) JDBC
4 1 (7.14%) JMS
4 1 (7.14%) JRules
4 1 (7.14%) Web Services
4 1 (7.14%) XSD
4 1 (7.14%) XSL
Miscellaneous
1 12 (85.71%) Algorithms
2 1 (7.14%) Analytical Skills
2 1 (7.14%) Enterprise Software
2 1 (7.14%) Equities
2 1 (7.14%) Fixed Income
Operating Systems
1 6 (42.86%) Linux
Processes & Methodologies
1 14 (100.00%) Microservices
2 12 (85.71%) BDD
2 12 (85.71%) Data Architecture
2 12 (85.71%) TDD
3 6 (42.86%) Agile Software Development
4 5 (35.71%) Scrum
5 1 (7.14%) Business Intelligence
5 1 (7.14%) Code Coverage
5 1 (7.14%) Digital Marketing
5 1 (7.14%) EAI
5 1 (7.14%) Fund Management
5 1 (7.14%) Programme Management
5 1 (7.14%) Risk Management
5 1 (7.14%) SOA
5 1 (7.14%) UML
5 1 (7.14%) Unit Testing
5 1 (7.14%) Use Case
5 1 (7.14%) User Acceptance Testing
5 1 (7.14%) Waterfall
Programming Languages
1 14 (100.00%) Java
2 1 (7.14%) PL/SQL
2 1 (7.14%) SQL
2 1 (7.14%) T-SQL
2 1 (7.14%) XPath
Qualifications
1 12 (85.71%) Security Cleared
2 10 (71.43%) SC Cleared
3 2 (14.29%) DBS Check
Quality Assurance & Compliance
1 1 (7.14%) QA
System Software
1 12 (85.71%) Apache ZooKeeper
1 12 (85.71%) HDFS
2 9 (64.29%) Docker
Systems Management
1 9 (64.29%) Ansible
1 9 (64.29%) Kubernetes
1 9 (64.29%) Terraform
Vendors
1 1 (7.14%) Oracle
1 1 (7.14%) Red Hat
1 1 (7.14%) SAP
1 1 (7.14%) Solace
1 1 (7.14%) Sybase
London
Talent International
Rate: £550 - £700 per day
Posted: 4 days ago
Croydon, Surrey
Difrent
Rate: From £530 to £550 per day
Posted: 4 days ago
London
Experis Ltd
Rate: £400.00 - £600.00 per day
Posted: 5 days ago
Croydon, Surrey
People Source Consulting
Rate: £600 - £650 per day
Posted: 5 days ago