The table below looks at the statistics for Log4j skills in IT jobs advertised for the London region. Included is a guide to the average salaries offered in IT jobs that have cited Log4j over the 3 months to 1 October 2014 with a comparison to the same period in the previous 2 years.

Location
3 months to
1 Oct 2014
Same period 2013 Same period 2012
Apache Log4j
Rank 599 614 616
Rank change year-on-year
+15 +2
Permanent jobs citing Log4j 19 1 15
As % of all permanent IT jobs located in London 0.042% 0.002% 0.030%
As % of the Development Applications category 0.26% 0.014% 0.20%
Number of salaries quoted 19 0 15
Average salary £55,000 - £50,000
90% offered a salary of more than £39,500 - £44,500
10% offered a salary of more than £75,000 - £62,000
UK excluding London average salary £31,000 £47,500 £45,000
% change year-on-year
-34.73% +5.55%
Log4j
England

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

Development Applications Category
London
Permanent IT job ads with a match in the
Development Applications category
7328 7160 7518
As % of all permanent IT jobs located in London 16.22% 15.90% 15.11%
Number of salaries quoted 6129 6019 6541
Average salary £52,500 £50,000 £50,000
Average salary % change year-on-year
+5.00% -
90% offered a salary of more than £37,000 £36,500 £35,000
10% offered a salary of more than £70,000 £67,500 £67,500
UK excluding London average salary £40,000 £37,500 £38,000
% change year-on-year
+6.66% -1.31%

Log4j
Jobs Demand Trend in London

This chart provides a 3-month moving total of permanent IT 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
Salary Trend in London

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

Log4j Salary Trend in London

Log4j
Salary Histogram in London

This chart provides a salary histogram for IT jobs citing Log4j across the London region over the 3 months to 1 October 2014.

Log4j Salary Histogram in London

Log4j
Job Locations in London

The table below looks at the demand and provides a guide to the average salaries quoted in IT jobs citing Log4j within the London region over the 3 months to 1 October 2014. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Use links below to see detailed
statistics and historical trends)
Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Average Salary
Last 3 Months
Average Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London +12 4 £75,000 -
Log4j
England

Log4j
Top 30 Related IT Skills in London

For the 6 months to 1 October 2014, IT 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 IT job ads sampled that cited Log4j.

1 53 (100.00%) Java
2 51 (96.23%) XML
3 43 (81.13%) Oracle
4 42 (79.25%) Use Case
5 32 (60.38%) JUnit
6 31 (58.49%) JavaScript
7 30 (56.60%) Ajax
7 30 (56.60%) CSS
7 30 (56.60%) HTML
8 29 (54.72%) J2EE
8 29 (54.72%) Servlets
9 28 (52.83%) MySQL
10 26 (49.06%) Android
10 26 (49.06%) JSP
11 25 (47.17%) SQL Server
11 25 (47.17%) UNIX
11 25 (47.17%) Apache
11 25 (47.17%) Hibernate
11 25 (47.17%) JSF
12 24 (45.28%) JSON
13 23 (43.40%) Web Development
13 23 (43.40%) Lucene
13 23 (43.40%) OSGi
13 23 (43.40%) Apple iOS
13 23 (43.40%) Adobe CQ
13 23 (43.40%) Apache Sling
13 23 (43.40%) Apache Felix
13 23 (43.40%) Android Development
13 23 (43.40%) iOS Development
13 23 (43.40%) Jackrabbit

Log4j
Top Related IT Skills in London by Category

For the 6 months to 1 October 2014, IT 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 IT job ads sampled that cited Log4j. Up to 20 skills are shown per category.

Application Platforms
1 25 (47.17%) Apache
2 23 (43.40%) Adobe CQ
3 4 (7.55%) WebSphere
4 3 (5.66%) WebLogic
5 1 (1.89%) WebSphere Application Server
5 1 (1.89%) Oracle HTTP Server
5 1 (1.89%) Tomcat
5 1 (1.89%) IBM HTTP Server
5 1 (1.89%) ATG Dynamo
Communications & Networking
1 23 (43.40%) SMTP
2 17 (32.08%) Kerberos
3 2 (3.77%) TCP/IP
3 2 (3.77%) Multicast
4 1 (1.89%) HTTP
Database & Business Intelligence
1 28 (52.83%) MySQL
2 25 (47.17%) SQL Server
3 23 (43.40%) Jackrabbit
3 23 (43.40%) RDBMS
3 23 (43.40%) Relational Database
4 17 (32.08%) Big Data
4 17 (32.08%) Hadoop
4 17 (32.08%) Data Warehouse
4 17 (32.08%) Mahout
5 1 (1.89%) Oracle Database 10g
5 1 (1.89%) Oracle Database
Development Applications
1 32 (60.38%) JUnit
2 17 (32.08%) JConsole
3 8 (15.09%) Maven
4 5 (9.43%) Eclipse
4 5 (9.43%) Git (software)
5 4 (7.55%) Ant
6 2 (3.77%) Subversion
6 2 (3.77%) Mockito
6 2 (3.77%) TeamCity
6 2 (3.77%) IntelliJ
7 1 (1.89%) Toad
7 1 (1.89%) ERwin
7 1 (1.89%) SoapUI
General
1 22 (41.51%) Publishing
2 3 (5.66%) Finance
3 2 (3.77%) Legal
3 2 (3.77%) Retail
Job Titles
1 31 (58.49%) Developer
2 27 (50.94%) Java Developer
3 16 (30.19%) Architect
4 8 (15.09%) Data Architect
4 8 (15.09%) Big Data Architect
5 6 (11.32%) Systems Architect
5 6 (11.32%) Systems Engineer
6 3 (5.66%) Software Developer
6 3 (5.66%) Lead Developer
7 2 (3.77%) Development Specialist
7 2 (3.77%) Senior Java Developer
7 2 (3.77%) Lead Java Developer
7 2 (3.77%) Solutions Architect
7 2 (3.77%) Senior Developer
8 1 (1.89%) Junior
8 1 (1.89%) Junior Software Developer
8 1 (1.89%) Technical Leader
8 1 (1.89%) Junior Developer
Libraries, Frameworks & Software Standards
1 51 (96.23%) XML
2 30 (56.60%) Ajax
2 30 (56.60%) CSS
2 30 (56.60%) HTML
3 29 (54.72%) J2EE
3 29 (54.72%) Servlets
4 26 (49.06%) JSP
5 25 (47.17%) Hibernate
5 25 (47.17%) JSF
6 24 (45.28%) JSON
7 23 (43.40%) Lucene
7 23 (43.40%) OSGi
7 23 (43.40%) Apache Sling
7 23 (43.40%) Apache Felix
7 23 (43.40%) JPA
7 23 (43.40%) SAX
7 23 (43.40%) JCE
7 23 (43.40%) DOM
7 23 (43.40%) XSL
7 23 (43.40%) SOAP
Miscellaneous
1 23 (43.40%) Client/Server
2 17 (32.08%) Data Integration
2 17 (32.08%) Algorithms
3 3 (5.66%) Management Information System
4 2 (3.77%) Computer Science
5 1 (1.89%) Mobile App
Operating Systems
1 26 (49.06%) Android
2 25 (47.17%) UNIX
3 23 (43.40%) Apple iOS
4 22 (41.51%) Linux
5 3 (5.66%) Windows
6 2 (3.77%) Solaris
7 1 (1.89%) AIX
7 1 (1.89%) Windows Server 2003
Processes & Methodologies
1 42 (79.25%) Use Case
2 23 (43.40%) Web Development
2 23 (43.40%) Android Development
2 23 (43.40%) iOS Development
2 23 (43.40%) UML
3 17 (32.08%) Data Management
3 17 (32.08%) ETL
4 5 (9.43%) MVC
4 5 (9.43%) Unit Testing
5 3 (5.66%) E-Commerce
6 2 (3.77%) Agile Software Development
6 2 (3.77%) TDD
6 2 (3.77%) Enterprise Architecture
6 2 (3.77%) Multithreading
6 2 (3.77%) Electronic Trading
7 1 (1.89%) Coaching
7 1 (1.89%) RAD
7 1 (1.89%) Demand Management
7 1 (1.89%) Performance Tuning
7 1 (1.89%) Resource Management
Programming Languages
1 53 (100.00%) Java
2 31 (58.49%) JavaScript
3 23 (43.40%) ECMAScript
4 17 (32.08%) R
5 3 (5.66%) SQL
6 2 (3.77%) PL/SQL
7 1 (1.89%) Python
7 1 (1.89%) Shell Script
Qualifications
1 2 (3.77%) Degree
Quality Assurance & Compliance
1 4 (7.55%) QA
System Software
1 17 (32.08%) Oracle RAC
Vendors
1 43 (81.13%) Oracle
2 23 (43.40%) Adobe
3 3 (5.66%) JBoss
3 3 (5.66%) ATG
4 2 (3.77%) Microsoft
5 1 (1.89%) IBM
5 1 (1.89%) Actimize