Period
to 21 November 2017

The following table provides summary statistics for contract job vacancies with a requirement for Drools skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Drools over the 6 months to 21 November 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
UK
6 months to
21 Nov 2017
Same period 2016 Same period 2015
Rank 658 773 788
Rank change year-on-year +115 +15 +14
Contract jobs citing Drools 224 108 100
As % of all contract IT jobs advertised in the UK 0.22% 0.10% 0.088%
As % of the Libraries, Frameworks & Software Standards category 0.68% 0.34% 0.31%
Number of daily rates quoted 175 70 59
UK median daily rate £550 £400 £430
Median daily rate % change year-on-year +37.50% -6.98% +1.18%
10th Percentile £310 £320 £318
90th Percentile £633 £575 £575
UK excluding London median daily rate £365 £350 £430
% change year-on-year +4.29% -18.60% +1.18%
Number of hourly rates quoted 0 0 1
UK median hourly rate - - £58.50
UK excluding London median hourly rate - - £58.50

Drools is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
UK
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 33044 31776 32166
As % of all contract IT jobs advertised in the UK 32.04% 30.34% 28.32%
Number of daily rates quoted 23329 22020 22052
UK median daily rate £450 £425 £410
Median daily rate % change year-on-year +5.88% +3.66% +2.50%
10th Percentile £313 £300 £275
90th Percentile £625 £588 £588
UK excluding London median daily rate £400 £388 £375
% change year-on-year +3.23% +3.33% +7.14%
Number of hourly rates quoted 380 363 552
UK median hourly rate £40.00 £37.50 £37.50
Median hourly rate % change year-on-year +6.67% - +8.70%
10th Percentile £18.45 £14.36 £15.00
90th Percentile £52.50 £51.60 £55.00
UK excluding London median hourly rate £41.00 £37.00 £37.50
% change year-on-year +10.81% -1.33% +10.74%

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
Contractor Daily Rate Trend

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

Contractor daily rate trend for Drools in the UK

Drools
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing Drools over the 6 months to 21 November 2017.

Contractor daily rate histogram for Drools in the UK

Drools
Contractor Hourly Rate Trend

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Drools.

Contractor hourly rate trend for Drools in the UK

Drools
Top 11 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Drools within the UK over the 6 months to 21 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +138 189 £550 +4.76% 4
London +81 153 £550 +10.00% 2
UK excluding London +34 71 £365 +4.29% 7
Scotland -12 35 £332 -2.35% 5
South East +12 21 £488 -7.14% 1
North of England +65 13 £550 +29.41% 1
North West - 7 £627 - 1
Yorkshire +28 6 £475 +11.76%
West Midlands +20 1 £350 -6.67%
Midlands +18 1 £350 -6.67%
South West -7 1 £688 +28.50%

For the 6 months to 21 November 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 with a requirement for Drools.

1 209 (93.30%) Java
2 134 (59.82%) REST
3 133 (59.38%) Microservices
4 119 (53.13%) Agile Software Development
5 111 (49.55%) Maven
6 109 (48.66%) Spring
6 109 (48.66%) JIRA
7 102 (45.54%) Confluence
8 98 (43.75%) Hibernate
9 97 (43.30%) TDD
10 92 (41.07%) Java EE
11 86 (38.39%) Security Cleared
12 82 (36.61%) Big Data
13 80 (35.71%) Apache Spark
14 79 (35.27%) JMS
15 76 (33.93%) Hadoop
16 74 (33.04%) BDD
16 74 (33.04%) JUnit
17 71 (31.70%) Data Architecture
17 71 (31.70%) Kafka
17 71 (31.70%) Cucumber
18 70 (31.25%) HBase
18 70 (31.25%) Kerberos
18 70 (31.25%) Scrum
18 70 (31.25%) HDFS
18 70 (31.25%) Spring Boot
19 67 (29.91%) SC Cleared
20 66 (29.46%) Apache Solr
21 65 (29.02%) Apache Camel
22 64 (28.57%) RESTful

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
1 102 (45.54%) Confluence
2 80 (35.71%) Apache Spark
3 66 (29.46%) Apache Solr
4 60 (26.79%) JBoss
5 51 (22.77%) WildFly
6 30 (13.39%) Apache
7 25 (11.16%) Tomcat
8 21 (9.38%) Oracle SOA Suite
9 4 (1.79%) Jetty
10 3 (1.34%) Elasticsearch
11 1 (0.45%) Oracle Workflow
11 1 (0.45%) SAS
Applications
1 1 (0.45%) Microsoft Excel
Business Applications
1 9 (4.02%) Oracle BPM
2 1 (0.45%) BusinessWorks
Cloud Services
1 19 (8.48%) Amazon AWS
2 17 (7.59%) GitHub
3 10 (4.46%) OpenShift
4 4 (1.79%) Microsoft Azure
Communications & Networking
1 70 (31.25%) Kerberos
2 10 (4.46%) FTP
3 4 (1.79%) SMS
4 2 (0.89%) Internet
5 1 (0.45%) AMQP
Database & Business Intelligence
1 82 (36.61%) Big Data
2 76 (33.93%) Hadoop
3 70 (31.25%) HBase
4 63 (28.13%) Relational Database
5 51 (22.77%) RDBMS
6 50 (22.32%) PostgreSQL
7 18 (8.04%) NoSQL
8 15 (6.70%) DataStax
8 15 (6.70%) MongoDB
8 15 (6.70%) MySQL
9 10 (4.46%) Redis
10 9 (4.02%) Oracle Database
11 5 (2.23%) MariaDB
12 4 (1.79%) Amazon DynamoDB
13 1 (0.45%) Neo4j
13 1 (0.45%) Pentaho
13 1 (0.45%) QlikView
13 1 (0.45%) SQL Server
Development Applications
1 111 (49.55%) Maven
2 109 (48.66%) JIRA
3 74 (33.04%) JUnit
4 71 (31.70%) Cucumber
5 61 (27.23%) Checkstyle
5 61 (27.23%) Git (software)
6 60 (26.79%) Mockito
7 54 (24.11%) Vagrant
8 51 (22.77%) Liquibase
8 51 (22.77%) SonarQube
9 40 (17.86%) Eclipse
10 35 (15.63%) Jenkins
11 29 (12.95%) Subversion
12 22 (9.82%) IntelliJ
13 15 (6.70%) Ant
14 11 (4.91%) GitLab
14 11 (4.91%) SoapUI
15 10 (4.46%) Selenium
15 10 (4.46%) XMLUnit
16 6 (2.68%) Gradle
General
1 38 (16.96%) Finance
2 20 (8.93%) Banking
3 10 (4.46%) Electronics
3 10 (4.46%) Investment Banking
3 10 (4.46%) Manufacturing
3 10 (4.46%) Marketing
3 10 (4.46%) Telecoms
4 6 (2.68%) Front Office
5 5 (2.23%) Retail
Job Titles
1 155 (69.20%) Developer
2 127 (56.70%) Java Developer
3 40 (17.86%) Data Engineer
4 30 (13.39%) Big Data Engineer
5 24 (10.71%) SC Cleared Java Developer
6 17 (7.59%) Hadoop Engineer
7 16 (7.14%) Big Data Developer
8 15 (6.70%) Senior Data Engineer
9 14 (6.25%) Angular Developer
10 10 (4.46%) Architect
10 10 (4.46%) Lead Developer
10 10 (4.46%) Lead Java Developer
10 10 (4.46%) Senior Developer
10 10 (4.46%) Senior Java Developer
11 8 (3.57%) C# Developer
11 8 (3.57%) Full Stack Developer
11 8 (3.57%) Senior Hadoop Engineer
12 7 (3.13%) JavaScript Developer
13 6 (2.68%) Data Architect
13 6 (2.68%) Hadoop Developer
Libraries, Frameworks & Software Standards
1 134 (59.82%) REST
2 109 (48.66%) Spring
3 98 (43.75%) Hibernate
4 92 (41.07%) Java EE
5 79 (35.27%) JMS
6 71 (31.70%) Kafka
7 70 (31.25%) Spring Boot
8 65 (29.02%) Apache Camel
9 64 (28.57%) RESTful
10 54 (24.11%) JAX-RS
10 54 (24.11%) WireMock
11 51 (22.77%) Lambda Expressions
12 36 (16.07%) XML
13 35 (15.63%) jBPM
14 33 (14.73%) AngularJS
15 28 (12.50%) React
16 24 (10.71%) Web Services
17 21 (9.38%) HTML
18 19 (8.48%) XSD
19 18 (8.04%) XSLT
Miscellaneous
1 51 (22.77%) Linux Command Line
2 48 (21.43%) Algorithms
3 14 (6.25%) Analytical Skills
4 11 (4.91%) Greenfield Project
5 9 (4.02%) Enterprise Software
6 6 (2.68%) Foreign Exchange (FX)
7 3 (1.34%) Equities
7 3 (1.34%) Fixed Income
8 2 (0.89%) Internet of Things
9 1 (0.45%) Data Structures
9 1 (0.45%) PMI
9 1 (0.45%) SWIFT
Operating Systems
1 64 (28.57%) Unix
2 54 (24.11%) VMS
3 31 (13.84%) Linux
4 9 (4.02%) Ubuntu
5 8 (3.57%) Debian
6 1 (0.45%) CentOS
6 1 (0.45%) Windows
Processes & Methodologies
1 133 (59.38%) Microservices
2 119 (53.13%) Agile Software Development
3 97 (43.30%) TDD
4 74 (33.04%) BDD
5 71 (31.70%) Data Architecture
6 70 (31.25%) Scrum
7 63 (28.13%) OO
8 54 (24.11%) CQRS
8 54 (24.11%) Dependency Injection
8 54 (24.11%) Domain-Driven Design
9 53 (23.66%) Test Automation
10 51 (22.77%) OOA/OOD
11 45 (20.09%) SOA
12 25 (11.16%) Continuous Integration
13 21 (9.38%) Workflow
14 20 (8.93%) BPMN
15 17 (7.59%) Unit Testing
16 14 (6.25%) Business Intelligence
16 14 (6.25%) Mentoring
16 14 (6.25%) Open Source
Programming Languages
1 209 (93.30%) Java
2 56 (25.00%) SQL
3 51 (22.77%) JPQL
4 30 (13.39%) JavaScript
5 18 (8.04%) PL/SQL
6 13 (5.80%) Python
7 12 (5.36%) C#
8 11 (4.91%) Scala
9 10 (4.46%) T-SQL
9 10 (4.46%) XPath
10 4 (1.79%) Groovy
11 2 (0.89%) C++
12 1 (0.45%) C
12 1 (0.45%) Jython
12 1 (0.45%) VBA
Qualifications
1 86 (38.39%) Security Cleared
2 67 (29.91%) SC Cleared
3 7 (3.13%) BPSS Clearance
4 6 (2.68%) DBS Check
5 5 (2.23%) ISTQB
6 1 (0.45%) CTC Cleared
6 1 (0.45%) DV Cleared
6 1 (0.45%) PMI Certification
Quality Assurance & Compliance
1 9 (4.02%) QA
2 2 (0.89%) Disclosure Scotland
3 1 (0.45%) Data Quality
System Software
1 70 (31.25%) HDFS
2 60 (26.79%) Docker
3 58 (25.89%) Apache ZooKeeper
Systems Management
1 52 (23.21%) Ansible
2 49 (21.88%) Kubernetes
3 46 (20.54%) Terraform
4 10 (4.46%) Puppet
5 6 (2.68%) Opscode Chef
6 5 (2.23%) Galera Cluster
6 5 (2.23%) OpenNebula
7 4 (1.79%) Ambari
7 4 (1.79%) Cobbler
Vendors
1 29 (12.95%) Oracle
2 15 (6.70%) Hortonworks
3 13 (5.80%) Red Hat
4 10 (4.46%) SAP
4 10 (4.46%) Solace
4 10 (4.46%) Sybase
5 6 (2.68%) Google
6 4 (1.79%) MuleSoft
7 1 (0.45%) Cloudera
7 1 (0.45%) Informatica
7 1 (0.45%) Microsoft
7 1 (0.45%) Talend
7 1 (0.45%) TIBCO