The table below looks at the statistics for Log4j skills in IT jobs advertised for the City of London region. Included is a guide to the average salaries offered in IT jobs that have cited Log4j over the 3 months to 28 November 2014 with a comparison to the same period in the previous 2 years.

Location
3 months to
28 Nov 2014
Same period 2013 Same period 2012
Apache Log4j
Rank 315 339 331
Rank change year-on-year
+24 -8
Permanent jobs citing Log4j 2 1 13
As % of all permanent IT jobs located in the City of London 0.018% 0.008% 0.11%
As % of the Development Applications category 0.13% 0.055% 0.84%
Number of salaries quoted 2 0 13
Average salary £67,500 - £65,000
90% offered a salary of more than £61,500 - £50,000
10% offered a salary of more than £73,500 - £71,500
UK excluding London average salary £42,500 £67,500 £35,000
% change year-on-year
-37.03% +92.85%
Log4j
London

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

Development Applications Category
City of London
Permanent IT job ads with a match in the
Development Applications category
1514 1808 1539
As % of all permanent IT jobs located in the City of London 13.59% 14.84% 13.04%
Number of salaries quoted 1349 1600 1413
Average salary £55,000 £55,000 £50,000
Average salary % change year-on-year
- +10.00%
90% offered a salary of more than £37,500 £37,500 £37,500
10% offered a salary of more than £75,000 £67,500 £70,000
UK excluding London average salary £40,000 £40,000 £39,000
% change year-on-year
- +2.56%

Log4j
Jobs Demand Trend in the City of London

This chart provides a 3-month moving total of permanent IT jobs citing Log4j across the City of London region as a proportion of the total demand within the Development Applications category.

Log4j Jobs Demand Trend in the City of London

Log4j
Salary Trend in the City of London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Log4j across the City of London region.

Log4j Salary Trend in the City of London

Log4j
Salary Histogram in the City of London

This chart provides a salary histogram for IT jobs citing Log4j across the City of London region over the 3 months to 28 November 2014.

Log4j Salary Histogram in the City of London

Log4j
Top 30 Related IT Skills in the City of London

For the 6 months to 28 November 2014, IT jobs across the City of 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 IT job ads sampled that cited Log4j.

1 9 (100.00%) Java
1 9 (100.00%) XML
2 7 (77.78%) UNIX
2 7 (77.78%) Linux
2 7 (77.78%) ETL
2 7 (77.78%) Kerberos
2 7 (77.78%) JMX
2 7 (77.78%) SOAP
2 7 (77.78%) Oracle
2 7 (77.78%) Data Warehouse
2 7 (77.78%) Data Management
2 7 (77.78%) Oracle RAC
2 7 (77.78%) Use Case
2 7 (77.78%) Data Integration
2 7 (77.78%) Hadoop
2 7 (77.78%) SPNEGO
2 7 (77.78%) R
2 7 (77.78%) REST
2 7 (77.78%) JSON
2 7 (77.78%) Mahout
2 7 (77.78%) Big Data
2 7 (77.78%) JConsole
2 7 (77.78%) Algorithms
3 2 (22.22%) JBoss
3 2 (22.22%) XSLT
3 2 (22.22%) Ant
3 2 (22.22%) WebLogic
3 2 (22.22%) JDBC
3 2 (22.22%) JSP
3 2 (22.22%) Servlets

Log4j
Top Related IT Skills in the City of London by Category

For the 6 months to 28 November 2014, IT jobs across the City of 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 IT job ads sampled that cited Log4j. Up to 20 skills are shown per category.

Application Platforms
1 2 (22.22%) WebLogic
1 2 (22.22%) JBoss
1 2 (22.22%) ATG Dynamo
1 2 (22.22%) WebSphere
Communications & Networking
1 7 (77.78%) Kerberos
Database & Business Intelligence
1 7 (77.78%) Data Warehouse
1 7 (77.78%) Hadoop
1 7 (77.78%) Mahout
1 7 (77.78%) Big Data
Development Applications
1 7 (77.78%) JConsole
2 2 (22.22%) Ant
Job Titles
1 4 (44.44%) Architect
1 4 (44.44%) Data Architect
1 4 (44.44%) Big Data Architect
2 2 (22.22%) Developer
3 1 (11.11%) Senior Developer
3 1 (11.11%) Lead Developer
Libraries, Frameworks & Software Standards
1 9 (100.00%) XML
2 7 (77.78%) SOAP
2 7 (77.78%) JMX
2 7 (77.78%) JSON
2 7 (77.78%) SPNEGO
2 7 (77.78%) REST
3 2 (22.22%) Web Services
3 2 (22.22%) XSLT
3 2 (22.22%) JMS
3 2 (22.22%) J2EE
3 2 (22.22%) JDBC
3 2 (22.22%) JSP
3 2 (22.22%) Servlets
Miscellaneous
1 7 (77.78%) Data Integration
1 7 (77.78%) Algorithms
Operating Systems
1 7 (77.78%) UNIX
1 7 (77.78%) Linux
Processes & Methodologies
1 7 (77.78%) ETL
1 7 (77.78%) Data Management
1 7 (77.78%) Use Case
2 2 (22.22%) Demand Management
2 2 (22.22%) Resource Management
2 2 (22.22%) E-Commerce
Programming Languages
1 9 (100.00%) Java
2 7 (77.78%) R
3 1 (11.11%) JavaScript
System Software
1 7 (77.78%) Oracle RAC
Vendors
1 7 (77.78%) Oracle
2 2 (22.22%) ATG