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 18 January 2017 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
18 Jan 2017
Same period 2016 Same period 2015
Apache Log4j
England / London
Rank 398 410 405
Rank change year-on-year
+12 -5
Contract jobs citing Log4j 5 1 1
As % of all contract IT jobs located in London 0.026% 0.005% 0.005%
As % of the Development Applications category 0.14% 0.031% 0.032%
Number of daily rates quoted 0 0 0
Median daily rate - - -
UK excluding London median daily rate £275 £486 -
% change year-on-year
-43.38% -
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

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
3457 3227 3115
As % of all contract IT jobs located in London 17.80% 15.43% 14.99%
Number of daily rates quoted 2523 2406 2407
Median daily rate £475 £473 £425
Median daily rate % change year-on-year
+0.52% +11.17%
90% offered a daily rate of more than £375 £338 £325
10% offered a daily rate of more than £600 £580 £575
UK excluding London median daily rate £400 £375 £375
% change year-on-year
+6.66% -
Number of hourly rates quoted 6 13 6
Median hourly rate £46.50 £50.00 £27.50
Median hourly rate % change year-on-year
-7.00% +81.81%
90% offered a hourly rate of more than £26.40 £24.23 £16.00
10% offered a hourly rate of more than £165.00 £60.00 £55.00
UK excluding London median hourly rate £41.13 £40.50 £37.00
% change year-on-year
+1.54% +9.45%

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 18 January 2017, 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 6 (100.00%) Java
1 6 (100.00%) SQL
1 6 (100.00%) XML
2 5 (83.33%) Tomcat
2 5 (83.33%) Oracle
2 5 (83.33%) CSS
2 5 (83.33%) JSP
2 5 (83.33%) HTML
2 5 (83.33%) Web Services
2 5 (83.33%) TDD
2 5 (83.33%) WebSphere
3 4 (66.67%) Banking
4 3 (50.00%) Spring
4 3 (50.00%) Web Development
4 3 (50.00%) Java EE
4 3 (50.00%) WebLogic Portal
4 3 (50.00%) Back Office
4 3 (50.00%) Finance
4 3 (50.00%) JUnit
4 3 (50.00%) WebLogic
4 3 (50.00%) SQL Server
4 3 (50.00%) DB2
4 3 (50.00%) JavaScript
4 3 (50.00%) JMS
4 3 (50.00%) IBM
4 3 (50.00%) Misys
4 3 (50.00%) JBoss
5 2 (33.33%) Apache
5 2 (33.33%) Linux
5 2 (33.33%) XSD

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 5 (83.33%) Tomcat
1 5 (83.33%) WebSphere
2 3 (50.00%) JBoss
2 3 (50.00%) WebLogic
2 3 (50.00%) WebLogic Portal
3 2 (33.33%) Apache
3 2 (33.33%) Jetty
4 1 (16.67%) MQSeries
Communications & Networking
1 2 (33.33%) Internet
Database & Business Intelligence
1 3 (50.00%) DB2
1 3 (50.00%) SQL Server
2 2 (33.33%) MySQL
2 2 (33.33%) Oracle Database
Development Applications
1 3 (50.00%) JUnit
2 2 (33.33%) Ant
2 2 (33.33%) Cucumber
2 2 (33.33%) Git (software)
2 2 (33.33%) IntelliJ
2 2 (33.33%) Mercurial
2 2 (33.33%) Mockito
2 2 (33.33%) Spock
General
1 4 (66.67%) Banking
2 3 (50.00%) Back Office
2 3 (50.00%) Finance
Job Titles
1 3 (50.00%) Consultant
1 3 (50.00%) Developer
1 3 (50.00%) Java Developer
1 3 (50.00%) Technical Consultant
2 2 (33.33%) SQL Developer
Libraries, Frameworks & Software Standards
1 6 (100.00%) XML
2 5 (83.33%) CSS
2 5 (83.33%) HTML
2 5 (83.33%) JSP
2 5 (83.33%) Web Services
3 3 (50.00%) Java EE
3 3 (50.00%) JMS
3 3 (50.00%) Spring
4 2 (33.33%) AngularJS
4 2 (33.33%) Apache Commons
4 2 (33.33%) HTML5
4 2 (33.33%) JSON
4 2 (33.33%) JSON Schema
4 2 (33.33%) JSTL
4 2 (33.33%) React
4 2 (33.33%) RESTful
4 2 (33.33%) Servlets
4 2 (33.33%) XSD
5 1 (16.67%) Spring Batch
5 1 (16.67%) Spring Integration
Miscellaneous
1 1 (16.67%) Enterprise Software
Operating Systems
1 2 (33.33%) Linux
2 1 (16.67%) Unix
2 1 (16.67%) Windows
Processes & Methodologies
1 5 (83.33%) TDD
2 3 (50.00%) Web Development
3 2 (33.33%) Agile Software Development
3 2 (33.33%) BDD
3 2 (33.33%) E-Commerce
3 2 (33.33%) MVC
4 1 (16.67%) Data Management
4 1 (16.67%) EAI
4 1 (16.67%) Integration Testing
4 1 (16.67%) OO
4 1 (16.67%) Requirements Analysis
4 1 (16.67%) System Integration Testing
4 1 (16.67%) UML
4 1 (16.67%) User Acceptance Testing
Programming Languages
1 6 (100.00%) Java
1 6 (100.00%) SQL
2 3 (50.00%) JavaScript
Vendors
1 5 (83.33%) Oracle
2 3 (50.00%) IBM
2 3 (50.00%) Misys
3 2 (33.33%) ATG
3 2 (33.33%) Demandware
3 2 (33.33%) Elastic Path
3 2 (33.33%) hybris