The table below looks at the statistics for Log4j skills in IT contracts advertised for the London region. Included is a guide to the contractor rates offered in IT contracts that have cited Log4j over the 3 months to 2 December 2016 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
2 Dec 2016
Same period 2015 Same period 2014
Apache Log4j
Rank 434 424 -
Rank change year-on-year
-10 -
Contract jobs citing Log4j 2 8 0
As % of all contract IT jobs located in London 0.009% 0.035% -
As % of the Development Applications category 0.051% 0.22% -
Number of daily rates quoted 0 0 0
Median daily rate - - -
UK excluding London median daily rate £455 £225 -
% change year-on-year
+102.22% -
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -
Log4j
England

The following table is for comparison with the above and provides statistics for the entire Development Applications category in contract jobs advertised in the London region.

Development Applications Category
London
Contract IT job ads with a match in the
Development Applications category
3943 3568 3577
As % of all contract IT jobs located in London 18.19% 15.70% 14.86%
Number of daily rates quoted 2847 2679 2777
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 £325
10% offered a daily rate of more than £600 £600 £575
UK excluding London median daily rate £400 £380 £375
% change year-on-year
+5.26% +1.33%
Number of hourly rates quoted 4 11 11
Median hourly rate £38.25 £37.50 £65.00
Median hourly rate % change year-on-year
+2.00% -42.30%
90% offered a hourly rate of more than £27.50 £24.23 £18.50
10% offered a hourly rate of more than £47.85 £60.00 £190.00
UK excluding London median hourly rate £41.00 £40.00 £37.50
% change year-on-year
+2.50% +6.66%

Log4j
Jobs Demand Trend in London

The demand trend of contract jobs across the London region citing Log4j as a proportion of all IT contracts with a match in the Development Applications category.

Log4j Jobs Demand Trend in London

Log4j
Daily Rate Trend in London

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing Log4j across the London region.

Log4j Daily Rate Trend in London

Log4j
Top 30 Related IT Skills in London

For the 6 months to 2 December 2016, IT contractor jobs citing Log4j 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 Log4j.

1 4 (100.00%) Java
1 4 (100.00%) SQL
1 4 (100.00%) XML
2 3 (75.00%) Tomcat
2 3 (75.00%) Oracle
2 3 (75.00%) CSS
2 3 (75.00%) JSP
2 3 (75.00%) HTML
2 3 (75.00%) Web Services
2 3 (75.00%) WebSphere
2 3 (75.00%) TDD
2 3 (75.00%) Banking
3 2 (50.00%) Spring
3 2 (50.00%) IBM
3 2 (50.00%) Misys
3 2 (50.00%) Back Office
3 2 (50.00%) Finance
3 2 (50.00%) Web Development
3 2 (50.00%) Java EE
3 2 (50.00%) JUnit
3 2 (50.00%) WebLogic
3 2 (50.00%) SQL Server
3 2 (50.00%) DB2
3 2 (50.00%) JavaScript
3 2 (50.00%) JBoss
3 2 (50.00%) JMS
3 2 (50.00%) WebLogic Portal
4 1 (25.00%) EAI
4 1 (25.00%) IntelliJ
4 1 (25.00%) XML Schema

Log4j
Top Related 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 3 (75.00%) Tomcat
1 3 (75.00%) WebSphere
2 2 (50.00%) JBoss
2 2 (50.00%) WebLogic
2 2 (50.00%) WebLogic Portal
3 1 (25.00%) Apache
3 1 (25.00%) Jetty
3 1 (25.00%) MQSeries
Communications & Networking
1 1 (25.00%) Internet
Database & Business Intelligence
1 2 (50.00%) DB2
1 2 (50.00%) SQL Server
2 1 (25.00%) MySQL
2 1 (25.00%) Oracle Database
Development Applications
1 2 (50.00%) JUnit
2 1 (25.00%) Ant
2 1 (25.00%) Cucumber
2 1 (25.00%) Git (software)
2 1 (25.00%) IntelliJ
2 1 (25.00%) Mercurial
2 1 (25.00%) Mockito
2 1 (25.00%) Spock
General
1 3 (75.00%) Banking
2 2 (50.00%) Back Office
2 2 (50.00%) Finance
Job Titles
1 2 (50.00%) Consultant
1 2 (50.00%) Developer
1 2 (50.00%) Java Developer
2 1 (25.00%) SQL Developer
2 1 (25.00%) Technical Consultant
Libraries, Frameworks & Software Standards
1 4 (100.00%) XML
2 3 (75.00%) CSS
2 3 (75.00%) HTML
2 3 (75.00%) JSP
2 3 (75.00%) Web Services
3 2 (50.00%) Java EE
3 2 (50.00%) JMS
3 2 (50.00%) Spring
4 1 (25.00%) AngularJS
4 1 (25.00%) Apache Commons
4 1 (25.00%) JDBC
4 1 (25.00%) JSON
4 1 (25.00%) JSON Schema
4 1 (25.00%) JSTL
4 1 (25.00%) RESTful
4 1 (25.00%) Servlets
4 1 (25.00%) Spring Batch
4 1 (25.00%) Spring Integration
4 1 (25.00%) XML Schema
4 1 (25.00%) XSD
Miscellaneous
1 1 (25.00%) Enterprise Software
Operating Systems
1 1 (25.00%) Linux
1 1 (25.00%) Unix
1 1 (25.00%) Windows
Processes & Methodologies
1 3 (75.00%) TDD
2 2 (50.00%) Web Development
3 1 (25.00%) Agile Software Development
3 1 (25.00%) BDD
3 1 (25.00%) Data Management
3 1 (25.00%) EAI
3 1 (25.00%) E-Commerce
3 1 (25.00%) Integration Testing
3 1 (25.00%) MVC
3 1 (25.00%) OO
3 1 (25.00%) Requirements Analysis
3 1 (25.00%) System Integration Testing
3 1 (25.00%) UML
3 1 (25.00%) User Acceptance Testing
Programming Languages
1 4 (100.00%) Java
1 4 (100.00%) SQL
2 2 (50.00%) JavaScript
Vendors
1 3 (75.00%) Oracle
2 2 (50.00%) IBM
2 2 (50.00%) Misys
3 1 (25.00%) ATG
3 1 (25.00%) Demandware
3 1 (25.00%) Elastic Path
3 1 (25.00%) hybris