The following table provides summary statistics for contract job vacancies advertised in London with a requirement for JMX skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited JMX over the 3 months to 28 March 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.

Java Management Extensions (JMX)
England / London
3 months to
28 Mar 2017
Same period 2016 Same period 2015
Rank 398 410 407
Rank change year-on-year +12 -3  
Contract jobs citing JMX 4 16 5
As % of all contract IT jobs advertised in London 0.021% 0.072% 0.023%
As % of the Libraries, Frameworks & Software Standards category 0.059% 0.23% 0.077%
Number of daily rates quoted 3 14 2
Median daily rate £600 £494 £475
Median daily rate % change year-on-year +21.51% +3.94%  
UK excluding London median daily rate £444 £500 -
% change year-on-year -11.25% -  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

JMX 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 6789 7106 6491
As % of all contract IT job vacancies advertised in London 34.82% 31.86% 30.16%
Number of daily rates quoted 5057 5320 4694
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 £345 £325 £311
10% offered a daily rate of more than £601 £600 £575
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 50 27 27
Median hourly rate £47.50 £50.00 £27.37
Median hourly rate % change year-on-year -5.00% +82.68%  
90% offered a hourly rate of more than £17.01 £21.17 £20.00
10% offered a hourly rate of more than £100.00 £55.00 £55.00
UK excluding London median hourly rate £40.50 £38.00 £36.00
% change year-on-year +6.57% +5.55%  

JMX
Job Vacancy Trend in London

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

Job vacancy trend for JMX in London

JMX
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for JMX in London

For the 6 months to 28 March 2017, IT contractor jobs citing JMX 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 JMX.

1 14 (100.00%) JMS
2 13 (92.86%) Java
2 13 (92.86%) Spring
3 11 (78.57%) Agile Software Development
3 11 (78.57%) Continuous Integration
4 10 (71.43%) BDD
4 10 (71.43%) Continuous Delivery
5 9 (64.29%) Technical Architecture
6 8 (57.14%) Microsoft Azure
6 8 (57.14%) Software Engineering
6 8 (57.14%) JDBC
6 8 (57.14%) J2EE
6 8 (57.14%) Hibernate
6 8 (57.14%) PaaS
7 7 (50.00%) Microservices
7 7 (50.00%) Cloud Foundry
7 7 (50.00%) Bluemix
7 7 (50.00%) Cloud Native
7 7 (50.00%) IBM Cloud
7 7 (50.00%) SOA
7 7 (50.00%) Amazon AWS
8 5 (35.71%) TDD
9 4 (28.57%) Mentoring
10 3 (21.43%) Jenkins
10 3 (21.43%) Sonatype Nexus
10 3 (21.43%) API Design
10 3 (21.43%) Material Design
10 3 (21.43%) Go
10 3 (21.43%) Opscode Chef
10 3 (21.43%) Low Latency

JMX
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 7 (50.00%) Cloud Foundry
2 3 (21.43%) Oracle Coherence
3 1 (7.14%) Apache
3 1 (7.14%) JBoss
3 1 (7.14%) WebLogic
3 1 (7.14%) WebSphere
Cloud Services
1 8 (57.14%) Microsoft Azure
1 8 (57.14%) PaaS
2 7 (50.00%) Amazon AWS
2 7 (50.00%) Bluemix
2 7 (50.00%) IBM Cloud
Communications & Networking
1 1 (7.14%) Internet
Database & Business Intelligence
1 1 (7.14%) SQL Server
1 1 (7.14%) Sybase ASE
Development Applications
1 3 (21.43%) Ant
1 3 (21.43%) CruiseControl
1 3 (21.43%) EasyMock
1 3 (21.43%) Git (software)
1 3 (21.43%) JBehave
1 3 (21.43%) Jenkins
1 3 (21.43%) JUnit
1 3 (21.43%) Maven
1 3 (21.43%) Mockito
1 3 (21.43%) Selenium
1 3 (21.43%) Sonatype Nexus
2 2 (14.29%) Subversion
3 1 (7.14%) TeamCity
General
1 1 (7.14%) Banking
1 1 (7.14%) Finance
1 1 (7.14%) Front Office
1 1 (7.14%) Retail
Job Titles
1 8 (57.14%) Architect
1 8 (57.14%) Cloud Architect
2 4 (28.57%) Developer
2 4 (28.57%) Java Developer
3 2 (14.29%) Credit Risk Developer
3 2 (14.29%) Credit Risk Java Developer
4 1 (7.14%) Azure Architect
4 1 (7.14%) Cloud Infrastructure Architect
4 1 (7.14%) Cloud Infrastructure Manager
4 1 (7.14%) E-Commerce Architect
4 1 (7.14%) E-Commerce Manager
4 1 (7.14%) Infrastructure Architect
4 1 (7.14%) Infrastructure Manager
4 1 (7.14%) Low Latency Java Developer
4 1 (7.14%) Senior Developer
4 1 (7.14%) Senior Java Developer
4 1 (7.14%) Sybase Developer
4 1 (7.14%) Traffic Manager
Libraries, Frameworks & Software Standards
1 14 (100.00%) JMS
2 13 (92.86%) Spring
3 8 (57.14%) Hibernate
3 8 (57.14%) J2EE
3 8 (57.14%) JDBC
4 3 (21.43%) AngularJS
4 3 (21.43%) Backbone.js
4 3 (21.43%) CSS
4 3 (21.43%) CSS3
4 3 (21.43%) HTML
4 3 (21.43%) HTML5
4 3 (21.43%) Material Design
4 3 (21.43%) RESTful
4 3 (21.43%) Spring MVC
4 3 (21.43%) Web Services
5 2 (14.29%) Express
6 1 (7.14%) JSP
6 1 (7.14%) Servlets
6 1 (7.14%) Struts
Miscellaneous
1 7 (50.00%) Cloud Native
2 3 (21.43%) Credit Risk
2 3 (21.43%) Virtual Team
3 2 (14.29%) Derivative
3 2 (14.29%) Foreign Exchange (FX)
3 2 (14.29%) OTC Derivatives
Operating Systems
1 2 (14.29%) Linux
1 2 (14.29%) Unix
Processes & Methodologies
1 11 (78.57%) Agile Software Development
1 11 (78.57%) Continuous Integration
2 10 (71.43%) BDD
2 10 (71.43%) Continuous Delivery
3 9 (64.29%) Technical Architecture
4 8 (57.14%) Software Engineering
5 7 (50.00%) Microservices
5 7 (50.00%) SOA
6 5 (35.71%) TDD
7 4 (28.57%) Mentoring
8 3 (21.43%) API Design
8 3 (21.43%) Configuration Management
8 3 (21.43%) Content Management
8 3 (21.43%) Dependency Injection
8 3 (21.43%) Dependency Management
8 3 (21.43%) Functional Testing
8 3 (21.43%) Low Latency
8 3 (21.43%) MVC
8 3 (21.43%) Unit Testing
8 3 (21.43%) Web Development
Programming Languages
1 13 (92.86%) Java
2 3 (21.43%) Go
2 3 (21.43%) JavaScript
2 3 (21.43%) Ruby
3 1 (7.14%) C++
Systems Management
1 3 (21.43%) Capistrano
1 3 (21.43%) Nagios
1 3 (21.43%) Opscode Chef
1 3 (21.43%) Puppet
Vendors
1 3 (21.43%) Google
1 3 (21.43%) Oracle
1 3 (21.43%) Sybase