The table below looks at the statistics for Log4j skills in IT contracts advertised for the London region. Included is a guide to the average contractor rates offered in IT contracts that have cited Log4j over the 3 months to 31 August 2015 with a comparison to the same period in 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.

Location
3 months to
31 Aug 2015
Same period 2014 Same period 2013
Apache Log4j
Rank 417 419 422
Rank change year-on-year
+2 +3
Contract jobs citing Log4j 2 3 4
As % of all contract IT jobs located in London 0.008% 0.013% 0.016%
As % of the Development Applications category 0.054% 0.084% 0.12%
Number of daily rates quoted 0 1 4
Average daily rate
Keep up to 90%
of your Daily Rate
Get a Free Illustration
- £213 £495
Average daily rate % change year-on-year
- -57.07%
UK excluding London average daily rate £400 £400 £375
% change year-on-year
- +6.66%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average 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
3694 3571 3294
As % of all contract IT jobs located in London 15.35% 14.89% 13.17%
Number of daily rates quoted 2665 2534 2364
Average daily rate £440 £415 £425
Average daily rate % change year-on-year
+6.02% -2.35%
90% offered a daily rate of more than £325 £313 £300
10% offered a daily rate of more than £575 £550 £575
UK excluding London average daily rate £375 £350 £338
% change year-on-year
+7.14% +3.70%
Number of hourly rates quoted 10 18 15
Average hourly rate £22.12 £45.00 £48.50
Average hourly rate % change year-on-year
-50.85% -7.21%
90% offered a hourly rate of more than £22.00 £26.30 £24.01
10% offered a hourly rate of more than £45.00 £111.50 £59.00
UK excluding London average hourly rate £40.00 £37.80 £37.00
% change year-on-year
+5.82% +2.16%

Log4j
Jobs Demand Trend in London

This chart provides a 3-month moving total of IT contractor jobs citing Log4j across the London region as a proportion of the total demand within 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 31 August 2015, IT contractor jobs across the London region citing Log4j also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited Log4j.

1 4 (100.00%) JUnit
1 4 (100.00%) Java
1 4 (100.00%) UNIX
1 4 (100.00%) Spring
2 3 (75.00%) Big Data
2 3 (75.00%) Elasticsearch
2 3 (75.00%) Internet
2 3 (75.00%) XML
2 3 (75.00%) Linux
2 3 (75.00%) UML
2 3 (75.00%) OO
3 2 (50.00%) SQL
3 2 (50.00%) Cryptography
3 2 (50.00%) Apache
3 2 (50.00%) IntelliJ
3 2 (50.00%) Apache Commons
3 2 (50.00%) Spring Boot
3 2 (50.00%) Guice
3 2 (50.00%) Git (software)
3 2 (50.00%) Apache Cassandra
3 2 (50.00%) Kafka
3 2 (50.00%) Gradle
3 2 (50.00%) Guava
3 2 (50.00%) Google
3 2 (50.00%) JSON
3 2 (50.00%) Performance Testing
3 2 (50.00%) Unit Testing
3 2 (50.00%) Mercurial
4 1 (25.00%) Hadoop
4 1 (25.00%) Bash Shell

Log4j
Top Related IT Skills in London by Category

For the 6 months to 31 August 2015, IT contractor jobs across the London region citing Log4j also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited Log4j. Up to 20 skills are shown per category.

Application Platforms
1 3 (75.00%) Elasticsearch
2 2 (50.00%) Apache
3 1 (25.00%) MQSeries
3 1 (25.00%) WebSphere
3 1 (25.00%) Oracle Coherence
3 1 (25.00%) Apache Solr
3 1 (25.00%) WebSphere Application Server
Business Applications
1 1 (25.00%) Tridion
Communications & Networking
1 3 (75.00%) Internet
Database & Business Intelligence
1 3 (75.00%) Big Data
2 2 (50.00%) Apache Cassandra
3 1 (25.00%) Hazelcast
3 1 (25.00%) Relational Database
3 1 (25.00%) DB2
3 1 (25.00%) RDBMS
3 1 (25.00%) Hadoop
Development Applications
1 4 (100.00%) JUnit
2 2 (50.00%) IntelliJ
2 2 (50.00%) Git (software)
2 2 (50.00%) Mercurial
2 2 (50.00%) Gradle
3 1 (25.00%) Ant
3 1 (25.00%) Subversion
3 1 (25.00%) WebSphere Studio Application Developer
3 1 (25.00%) Eclipse
General
1 1 (25.00%) Banking
1 1 (25.00%) Investment Banking
Job Titles
1 4 (100.00%) Developer
1 4 (100.00%) Java Developer
2 1 (25.00%) Senior Java Developer
2 1 (25.00%) Senior Developer
Libraries, Frameworks & Software Standards
1 4 (100.00%) Spring
2 3 (75.00%) XML
3 2 (50.00%) JSON
3 2 (50.00%) Guice
3 2 (50.00%) Kafka
3 2 (50.00%) Guava
3 2 (50.00%) Apache Commons
3 2 (50.00%) Spring Boot
4 1 (25.00%) JSTL
4 1 (25.00%) XMLBeans
4 1 (25.00%) Ajax
4 1 (25.00%) XSLT
4 1 (25.00%) XHTML
4 1 (25.00%) JMS
4 1 (25.00%) HTML
4 1 (25.00%) J2EE
4 1 (25.00%) EJB
4 1 (25.00%) JDBC
4 1 (25.00%) JSP
4 1 (25.00%) Servlets
Miscellaneous
1 2 (50.00%) Cryptography
2 1 (25.00%) Web 2.0
Operating Systems
1 4 (100.00%) UNIX
2 3 (75.00%) Linux
3 1 (25.00%) HPUX
3 1 (25.00%) Solaris
Processes & Methodologies
1 3 (75.00%) UML
1 3 (75.00%) OO
2 2 (50.00%) Performance Testing
2 2 (50.00%) Unit Testing
3 1 (25.00%) Multithreading
3 1 (25.00%) MapReduce
3 1 (25.00%) RAD
3 1 (25.00%) E-Commerce
3 1 (25.00%) Scrum
3 1 (25.00%) Agile Software Development
3 1 (25.00%) Content Management
Programming Languages
1 4 (100.00%) Java
2 2 (50.00%) SQL
3 1 (25.00%) Shell Script
3 1 (25.00%) XPath
3 1 (25.00%) Bash Shell
3 1 (25.00%) JavaScript
3 1 (25.00%) Perl
Vendors
1 2 (50.00%) Google
2 1 (25.00%) Elastic Path
2 1 (25.00%) Cloudera
2 1 (25.00%) Oracle
2 1 (25.00%) IBM
2 1 (25.00%) Interwoven
2 1 (25.00%) ATG
2 1 (25.00%) Blue Martini