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 4 August 2015 with a comparison to the same period in the previous 2 years.

Location
3 months to
4 Aug 2015
Same period 2014 Same period 2013
Apache Log4j
Rank 617 615 -
Rank change year-on-year
-2 -
Permanent jobs citing Log4j 4 31 0
As % of all permanent IT jobs located in London 0.009% 0.065% -
As % of the Development Applications category 0.052% 0.37% -
Number of salaries quoted 1 31 0
Average salary £37,500 £47,500 -
Average salary % change year-on-year
-21.05% -
UK excluding London average salary £27,500 £32,500 £45,000
% change year-on-year
-15.38% -27.77%
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
7694 8400 7001
As % of all permanent IT jobs located in London 17.42% 17.55% 15.81%
Number of salaries quoted 6464 7162 5983
Average salary £55,000 £52,500 £50,000
Average salary % change year-on-year
+4.76% +5.00%
90% offered a salary of more than £40,000 £37,500 £35,000
10% offered a salary of more than £75,000 £67,500 £70,000
UK excluding London average salary £42,500 £40,000 £37,500
% change year-on-year
+6.25% +6.66%

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
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 4 August 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
Uxbridge - 3 - -
City of London +27 1 £37,500 -55.88%
Log4j
England

Log4j
Top 30 Related IT Skills in London

For the 6 months to 4 August 2015, 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 32 (100.00%) Java
2 31 (96.88%) JavaScript
3 28 (87.50%) JSP
4 27 (84.38%) Tomcat
4 27 (84.38%) Hibernate
5 26 (81.25%) HTML
5 26 (81.25%) JUnit
6 25 (78.13%) Servlets
7 24 (75.00%) Web Services
7 24 (75.00%) Git (software)
8 23 (71.88%) Agile Software Development
9 22 (68.75%) TDD
9 22 (68.75%) Maven
9 22 (68.75%) jQuery
9 22 (68.75%) CSS
9 22 (68.75%) Jenkins
10 21 (65.63%) XML
10 21 (65.63%) Spring
11 20 (62.50%) Oracle
12 19 (59.38%) J2EE
12 19 (59.38%) Continuous Integration
13 18 (56.25%) Apache
14 17 (53.13%) SQL Server
14 17 (53.13%) RESTful
14 17 (53.13%) Ajax
15 16 (50.00%) REST
15 16 (50.00%) Linux
16 15 (46.88%) WebSphere
17 14 (43.75%) Subversion
17 14 (43.75%) JSON

Log4j
Top Related IT Skills in London by Category

For the 6 months to 4 August 2015, 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 27 (84.38%) Tomcat
2 18 (56.25%) Apache
3 15 (46.88%) WebSphere
4 11 (34.38%) JBoss
5 9 (28.13%) WebLogic
6 7 (21.88%) WordPress
7 4 (12.50%) Liferay
7 4 (12.50%) Adobe Experience Manager
7 4 (12.50%) WebSphere Application Server
7 4 (12.50%) WebLogic Portal
8 1 (3.13%) ATG Dynamo
Communications & Networking
1 4 (12.50%) LDAP
1 4 (12.50%) SMTP
Database & Business Intelligence
1 17 (53.13%) SQL Server
2 14 (43.75%) MySQL
3 10 (31.25%) Relational Database
3 10 (31.25%) RDBMS
4 8 (25.00%) MongoDB
4 8 (25.00%) Hadoop
5 7 (21.88%) PostgreSQL
6 4 (12.50%) Jackrabbit
6 4 (12.50%) Apache Cassandra
6 4 (12.50%) NoSQL
6 4 (12.50%) Couchbase
6 4 (12.50%) CouchDB
7 1 (3.13%) Oracle Database
Development Applications
1 26 (81.25%) JUnit
2 24 (75.00%) Git (software)
3 22 (68.75%) Maven
3 22 (68.75%) Jenkins
4 14 (43.75%) Subversion
5 11 (34.38%) Eclipse
5 11 (34.38%) Selenium
6 9 (28.13%) TestNG
6 9 (28.13%) JIRA
7 7 (21.88%) Bitbucket
7 7 (21.88%) Gradle
8 5 (15.63%) IntelliJ
8 5 (15.63%) Ant
9 4 (12.50%) HttpUnit
9 4 (12.50%) JDeveloper
9 4 (12.50%) WebSphere Studio Application Developer
9 4 (12.50%) JBehave
9 4 (12.50%) Mockito
9 4 (12.50%) Cucumber
9 4 (12.50%) Grunt
General
1 5 (15.63%) Retail
2 4 (12.50%) Publishing
3 2 (6.25%) Billing
Job Titles
1 18 (56.25%) Developer
2 15 (46.88%) Java Developer
3 7 (21.88%) Senior Developer
3 7 (21.88%) Senior Java Developer
4 5 (15.63%) Software Engineer
5 4 (12.50%) Programmer
5 4 (12.50%) J2EE Developer
5 4 (12.50%) Cisco Engineer
5 4 (12.50%) Java Programmer
5 4 (12.50%) Senior J2EE Developer
5 4 (12.50%) Senior Java/J2EE Developer
5 4 (12.50%) Java/J2EE Developer
5 4 (12.50%) Mid-Level Java Developer
6 2 (6.25%) Front-End Developer
6 2 (6.25%) Technical Leader
7 1 (3.13%) E-Commerce Specialist
7 1 (3.13%) J2EE Software Engineer
7 1 (3.13%) Software Developer
Libraries, Frameworks & Software Standards
1 28 (87.50%) JSP
2 27 (84.38%) Hibernate
3 26 (81.25%) HTML
4 25 (78.13%) Servlets
5 24 (75.00%) Web Services
6 22 (68.75%) CSS
6 22 (68.75%) jQuery
7 21 (65.63%) Spring
7 21 (65.63%) XML
8 19 (59.38%) J2EE
9 17 (53.13%) Ajax
9 17 (53.13%) RESTful
10 16 (50.00%) REST
11 14 (43.75%) JSON
12 13 (40.63%) HTML5
13 10 (31.25%) JPA
14 9 (28.13%) JSTL
14 9 (28.13%) Java EE
14 9 (28.13%) XSLT
15 8 (25.00%) XSL
Miscellaneous
1 8 (25.00%) Client/Server
2 7 (21.88%) User Experience
3 6 (18.75%) Computer Science
4 5 (15.63%) Wiki
4 5 (15.63%) Blog
4 5 (15.63%) Social Network
4 5 (15.63%) Mobile App
5 4 (12.50%) Analytical Skills
5 4 (12.50%) Data Structures
5 4 (12.50%) Algorithms
5 4 (12.50%) Cryptography
6 2 (6.25%) Web 2.0
Operating Systems
1 16 (50.00%) Linux
2 11 (34.38%) Android
3 7 (21.88%) openSUSE
3 7 (21.88%) Ubuntu
4 4 (12.50%) UNIX
4 4 (12.50%) Windows
4 4 (12.50%) Apple iOS
Processes & Methodologies
1 23 (71.88%) Agile Software Development
2 22 (68.75%) TDD
3 19 (59.38%) Continuous Integration
4 14 (43.75%) OOA/OOD
5 12 (37.50%) OO
5 12 (37.50%) UML
6 9 (28.13%) Use Case
7 8 (25.00%) Software Engineering
7 8 (25.00%) E-Commerce
8 7 (21.88%) Unit Testing
9 6 (18.75%) User Stories
9 6 (18.75%) Scrum
9 6 (18.75%) BDD
10 5 (15.63%) Continuous Improvement
10 5 (15.63%) MVC
11 4 (12.50%) Migration
11 4 (12.50%) Asset Management
11 4 (12.50%) OOD
11 4 (12.50%) SOA
11 4 (12.50%) B2B
Programming Languages
1 32 (100.00%) Java
2 31 (96.88%) JavaScript
3 14 (43.75%) SQL
4 8 (25.00%) PL/SQL
5 7 (21.88%) Perl
5 7 (21.88%) PHP
6 4 (12.50%) ECMAScript
6 4 (12.50%) XQuery
6 4 (12.50%) Shell Script
6 4 (12.50%) XPath
6 4 (12.50%) C
Qualifications
1 6 (18.75%) Degree
Quality Assurance & Compliance
1 9 (28.13%) QA
System Software
1 7 (21.88%) Docker
2 4 (12.50%) VMware Infrastructure
Systems Management
1 11 (34.38%) Opscode Chef
2 7 (21.88%) Salt
2 7 (21.88%) Puppet
Vendors
1 20 (62.50%) Oracle
2 6 (18.75%) IBM
3 4 (12.50%) Adobe
3 4 (12.50%) Cisco
3 4 (12.50%) VMware
3 4 (12.50%) Coverity
3 4 (12.50%) Guidewire
4 1 (3.13%) ATG