The table below looks at the statistics for Log4j skills in IT jobs advertised for the England region. Included is a guide to the average salaries offered in IT jobs that have cited Log4j over the 3 months to 31 July 2015 with a comparison to the same period in the previous 2 years.

Location
3 months to
31 Jul 2015
Same period 2014 Same period 2013
Apache Log4j
Rank 863 853 840
Rank change year-on-year
-10 -13
Permanent jobs citing Log4j 15 44 16
As % of all permanent IT jobs located in England 0.015% 0.040% 0.016%
As % of the Development Applications category 0.085% 0.25% 0.10%
Number of salaries quoted 3 38 13
Average salary £27,500 £53,000 £45,000
Average salary % change year-on-year
-48.11% +17.77%
90% offered a salary of more than £24,300 £33,800 £42,200
10% offered a salary of more than £35,500 £85,000 £65,000
UK excluding London average salary £25,500 £38,750 £45,000
% change year-on-year
-34.19% -13.88%
Log4j
UK

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

Development Applications Category
England
Permanent IT job ads with a match in the
Development Applications category
17612 17937 15298
As % of all permanent IT jobs located in England 17.22% 16.40% 15.03%
Number of salaries quoted 14943 15159 13121
Average salary £47,500 £45,000 £45,000
Average salary % change year-on-year
+5.55% -
90% offered a salary of more than £32,500 £31,500 £30,000
10% offered a salary of more than £70,000 £62,500 £65,000
UK excluding London average salary £42,000 £40,000 £37,500
% change year-on-year
+5.00% +6.66%

Log4j
Jobs Demand Trend in England

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

Log4j Jobs Demand Trend in England

Log4j
Salary Trend in England

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

Log4j Salary Trend in England

Log4j
Salary Histogram in England

This chart provides a salary histogram for IT jobs citing Log4j across the England region over the 3 months to 31 July 2015.

Log4j Salary Histogram in England

Log4j
Job Locations in England

The table below looks at the demand and provides a guide to the average salaries quoted in IT jobs citing Log4j within the England region over the 3 months to 31 July 2015. 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
London +6 5 £37,500 -31.81%
East of England +3 4 - -
North West -4 4 - - 1
South East -2 2 £25,500 -17.74% 1
Log4j
UK

Log4j
Top 30 Related IT Skills in England

For the 6 months to 31 July 2015, IT jobs across the England 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 52 (100.00%) Java
2 47 (90.38%) JavaScript
3 41 (78.85%) Hibernate
4 40 (76.92%) XML
4 40 (76.92%) Tomcat
5 39 (75.00%) Servlets
5 39 (75.00%) Web Services
5 39 (75.00%) HTML
5 39 (75.00%) JUnit
6 38 (73.08%) J2EE
6 38 (73.08%) JSP
7 36 (69.23%) Maven
8 34 (65.38%) Oracle
8 34 (65.38%) jQuery
9 33 (63.46%) Jenkins
9 33 (63.46%) Spring
10 31 (59.62%) CSS
11 30 (57.69%) Git (software)
12 28 (53.85%) SQL
12 28 (53.85%) Linux
13 27 (51.92%) Agile Software Development
13 27 (51.92%) Ajax
14 26 (50.00%) Continuous Integration
14 26 (50.00%) REST
15 25 (48.08%) TDD
15 25 (48.08%) Subversion
16 24 (46.15%) WebSphere
16 24 (46.15%) JSON
16 24 (46.15%) MySQL
17 22 (42.31%) SQL Server

Log4j
Top Related IT Skills in England by Category

For the 6 months to 31 July 2015, IT jobs across the England 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 40 (76.92%) Tomcat
2 24 (46.15%) WebSphere
3 22 (42.31%) JBoss
4 21 (40.38%) Apache
5 16 (30.77%) WebLogic
6 10 (19.23%) Adobe Experience Manager
7 9 (17.31%) Liferay
7 9 (17.31%) WebSphere Application Server
8 8 (15.38%) WebLogic Portal
9 7 (13.46%) WordPress
10 5 (9.62%) MQSeries
11 2 (3.85%) ATG Dynamo
Communications & Networking
1 5 (9.62%) SMTP
1 5 (9.62%) HTTP
1 5 (9.62%) Internet
2 4 (7.69%) LDAP
Database & Business Intelligence
1 24 (46.15%) MySQL
2 22 (42.31%) SQL Server
2 22 (42.31%) Relational Database
3 18 (34.62%) RDBMS
4 12 (23.08%) MongoDB
4 12 (23.08%) Hadoop
5 8 (15.38%) Apache Cassandra
5 8 (15.38%) NoSQL
6 7 (13.46%) PostgreSQL
7 5 (9.62%) Jackrabbit
8 4 (7.69%) Couchbase
8 4 (7.69%) CouchDB
9 2 (3.85%) Oracle Database
Development Applications
1 39 (75.00%) JUnit
2 36 (69.23%) Maven
3 33 (63.46%) Jenkins
4 30 (57.69%) Git (software)
5 25 (48.08%) Subversion
6 22 (42.31%) Eclipse
7 20 (38.46%) Ant
8 15 (28.85%) Selenium
9 10 (19.23%) JIRA
10 9 (17.31%) TestNG
11 7 (13.46%) Bitbucket
11 7 (13.46%) Gradle
12 6 (11.54%) JBehave
12 6 (11.54%) JDeveloper
12 6 (11.54%) WebSphere Studio Application Developer
13 5 (9.62%) IntelliJ
14 4 (7.69%) HttpUnit
14 4 (7.69%) Mockito
14 4 (7.69%) Cucumber
14 4 (7.69%) Grunt
General
1 10 (19.23%) Retail
2 5 (9.62%) Publishing
3 2 (3.85%) Billing
Job Titles
1 30 (57.69%) Developer
2 26 (50.00%) Java Developer
3 12 (23.08%) Senior Developer
3 12 (23.08%) Senior Java Developer
4 8 (15.38%) Senior J2EE Developer
4 8 (15.38%) J2EE Developer
4 8 (15.38%) Senior Java/J2EE Developer
4 8 (15.38%) Java/J2EE Developer
5 5 (9.62%) Programmer
5 5 (9.62%) Software Engineer
5 5 (9.62%) Java Programmer
6 4 (7.69%) Cisco Engineer
6 4 (7.69%) QA Engineer
6 4 (7.69%) Technical Leader
6 4 (7.69%) Mid-Level Java Developer
7 2 (3.85%) Front-End Developer
7 2 (3.85%) E-Commerce Specialist
7 2 (3.85%) Junior Java Developer
7 2 (3.85%) Junior
7 2 (3.85%) Junior Developer
Libraries, Frameworks & Software Standards
1 41 (78.85%) Hibernate
2 40 (76.92%) XML
3 39 (75.00%) Web Services
3 39 (75.00%) HTML
3 39 (75.00%) Servlets
4 38 (73.08%) JSP
4 38 (73.08%) J2EE
5 34 (65.38%) jQuery
6 33 (63.46%) Spring
7 31 (59.62%) CSS
8 27 (51.92%) Ajax
9 26 (50.00%) REST
10 24 (46.15%) JSON
11 21 (40.38%) XSLT
12 19 (36.54%) Struts
13 18 (34.62%) RESTful
13 18 (34.62%) HTML5
14 15 (28.85%) SOAP
15 14 (26.92%) EJB
16 13 (25.00%) JMS
Miscellaneous
1 13 (25.00%) Client/Server
2 12 (23.08%) Analytical Skills
3 10 (19.23%) Computer Science
4 9 (17.31%) User Experience
5 8 (15.38%) Data Structures
5 8 (15.38%) Algorithms
6 7 (13.46%) Web 2.0
7 6 (11.54%) Social Network
7 6 (11.54%) Mobile App
8 5 (9.62%) Wiki
8 5 (9.62%) Blog
9 4 (7.69%) Cryptography
10 1 (1.92%) W3C
Operating Systems
1 28 (53.85%) Linux
2 19 (36.54%) UNIX
3 12 (23.08%) Windows
3 12 (23.08%) Android
4 7 (13.46%) openSUSE
4 7 (13.46%) Ubuntu
5 5 (9.62%) Apple iOS
5 5 (9.62%) HPUX
5 5 (9.62%) Solaris
6 4 (7.69%) SUSE
Processes & Methodologies
1 27 (51.92%) Agile Software Development
2 26 (50.00%) Continuous Integration
3 25 (48.08%) TDD
4 21 (40.38%) OOA/OOD
5 19 (36.54%) UML
6 18 (34.62%) OO
7 15 (28.85%) Use Case
8 14 (26.92%) Unit Testing
8 14 (26.92%) E-Commerce
9 10 (19.23%) Software Engineering
10 8 (15.38%) System Testing
10 8 (15.38%) SOA
10 8 (15.38%) B2B
10 8 (15.38%) B2C
10 8 (15.38%) Migration
10 8 (15.38%) Asset Management
10 8 (15.38%) Dependency Injection
10 8 (15.38%) User Stories
10 8 (15.38%) SDLC
11 7 (13.46%) MVC
Programming Languages
1 52 (100.00%) Java
2 47 (90.38%) JavaScript
3 28 (53.85%) SQL
4 15 (28.85%) PL/SQL
5 14 (26.92%) XPath
6 13 (25.00%) Shell Script
7 11 (21.15%) Perl
8 9 (17.31%) XQuery
9 7 (13.46%) PHP
10 6 (11.54%) C
11 5 (9.62%) ECMAScript
12 4 (7.69%) Ruby
12 4 (7.69%) Python
Qualifications
1 10 (19.23%) Degree
Quality Assurance & Compliance
1 13 (25.00%) QA
System Software
1 8 (15.38%) VMware Infrastructure
2 7 (13.46%) Docker
Systems Management
1 15 (28.85%) Opscode Chef
2 7 (13.46%) Salt
2 7 (13.46%) Puppet
Vendors
1 34 (65.38%) Oracle
2 12 (23.08%) IBM
3 8 (15.38%) VMware
4 6 (11.54%) Coverity
4 6 (11.54%) Guidewire
5 5 (9.62%) Adobe
5 5 (9.62%) Interwoven
6 4 (7.69%) Red Hat
6 4 (7.69%) Cisco
7 2 (3.85%) ATG
8 1 (1.92%) Cognos
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Salary: Up to £60,000 per annum + benefits
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