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

Location
3 months to
2 Jul 2015
Same period 2014 Same period 2013
Apache Log4j
Rank 615 625 -
Rank change year-on-year
+10 -
Permanent jobs citing Log4j 12 34 0
As % of all permanent IT jobs located in London 0.027% 0.068% -
As % of the Development Applications category 0.16% 0.39% -
Number of salaries quoted 7 34 0
Average salary £37,500 £55,500 -
Average salary % change year-on-year
-32.43% -
UK excluding London average salary £39,250 £51,500 £45,000
% change year-on-year
-23.78% +14.44%
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
7497 8649 6813
As % of all permanent IT jobs located in London 17.06% 17.39% 15.33%
Number of salaries quoted 6319 7412 5873
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 £37,000 £35,000
10% offered a salary of more than £75,000 £67,500 £70,000
UK excluding London average salary £41,500 £40,000 £38,000
% change year-on-year
+3.75% +5.26%

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 2 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
City of London +43 5 £37,500 -55.88%
Uxbridge - 4 - -
Chessington - 2 £35,000 -
Log4j
England

Log4j
Top 30 Related IT Skills in London

For the 6 months to 2 July 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 43 (100.00%) Java
2 42 (97.67%) JavaScript
3 39 (90.70%) JSP
4 33 (76.74%) Servlets
4 33 (76.74%) Hibernate
5 32 (74.42%) Web Services
5 32 (74.42%) HTML
5 32 (74.42%) JUnit
6 31 (72.09%) Oracle
7 30 (69.77%) Tomcat
8 29 (67.44%) Apache
8 29 (67.44%) XML
9 28 (65.12%) CSS
10 27 (62.79%) J2EE
10 27 (62.79%) Git (software)
11 26 (60.47%) Agile Software Development
12 25 (58.14%) TDD
12 25 (58.14%) Maven
12 25 (58.14%) jQuery
12 25 (58.14%) Jenkins
13 24 (55.81%) Spring
13 24 (55.81%) Linux
14 23 (53.49%) SQL Server
14 23 (53.49%) Ajax
15 22 (51.16%) Subversion
16 20 (46.51%) WebSphere
16 20 (46.51%) RESTful
17 19 (44.19%) Continuous Integration
18 17 (39.53%) Use Case
18 17 (39.53%) Android

Log4j
Top Related IT Skills in London by Category

For the 6 months to 2 July 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 30 (69.77%) Tomcat
2 29 (67.44%) Apache
3 20 (46.51%) WebSphere
4 16 (37.21%) JBoss
5 14 (32.56%) WebLogic
6 10 (23.26%) WordPress
7 7 (16.28%) Adobe Experience Manager
8 6 (13.95%) ATG Dynamo
9 4 (9.30%) Liferay
9 4 (9.30%) WebLogic Portal
9 4 (9.30%) WebSphere Application Server
Communications & Networking
1 7 (16.28%) SMTP
2 4 (9.30%) LDAP
Database & Business Intelligence
1 23 (53.49%) SQL Server
2 17 (39.53%) MySQL
3 13 (30.23%) Relational Database
3 13 (30.23%) RDBMS
4 10 (23.26%) PostgreSQL
5 8 (18.60%) MongoDB
5 8 (18.60%) Hadoop
6 7 (16.28%) Jackrabbit
7 6 (13.95%) Oracle Database
8 4 (9.30%) CouchDB
8 4 (9.30%) Apache Cassandra
8 4 (9.30%) NoSQL
8 4 (9.30%) Couchbase
Development Applications
1 32 (74.42%) JUnit
2 27 (62.79%) Git (software)
3 25 (58.14%) Maven
3 25 (58.14%) Jenkins
4 22 (51.16%) Subversion
5 14 (32.56%) Selenium
6 12 (27.91%) TestNG
6 12 (27.91%) JIRA
7 11 (25.58%) Eclipse
8 10 (23.26%) Ant
8 10 (23.26%) Bitbucket
8 10 (23.26%) Gradle
9 5 (11.63%) IntelliJ
10 4 (9.30%) JDeveloper
10 4 (9.30%) WebSphere Studio Application Developer
10 4 (9.30%) HttpUnit
10 4 (9.30%) JBehave
10 4 (9.30%) Mockito
10 4 (9.30%) Cucumber
10 4 (9.30%) Grunt
General
1 10 (23.26%) Retail
2 7 (16.28%) Publishing
3 2 (4.65%) Billing
Job Titles
1 21 (48.84%) Developer
2 18 (41.86%) Java Developer
3 7 (16.28%) Java Programmer
3 7 (16.28%) Senior Developer
3 7 (16.28%) Programmer
3 7 (16.28%) Senior Java Developer
4 6 (13.95%) E-Commerce Specialist
5 5 (11.63%) Software Engineer
6 4 (9.30%) Senior J2EE Developer
6 4 (9.30%) J2EE Developer
6 4 (9.30%) Cisco Engineer
6 4 (9.30%) Senior Java/J2EE Developer
6 4 (9.30%) Java/J2EE Developer
6 4 (9.30%) Mid-Level Java Developer
7 2 (4.65%) Technical Leader
7 2 (4.65%) Front-End Developer
8 1 (2.33%) J2EE Software Engineer
8 1 (2.33%) Software Developer
Libraries, Frameworks & Software Standards
1 39 (90.70%) JSP
2 33 (76.74%) Servlets
2 33 (76.74%) Hibernate
3 32 (74.42%) HTML
3 32 (74.42%) Web Services
4 29 (67.44%) XML
5 28 (65.12%) CSS
6 27 (62.79%) J2EE
7 25 (58.14%) jQuery
8 24 (55.81%) Spring
9 23 (53.49%) Ajax
10 20 (46.51%) RESTful
11 16 (37.21%) REST
12 14 (32.56%) JSON
12 14 (32.56%) XSLT
13 13 (30.23%) JPA
13 13 (30.23%) HTML5
14 12 (27.91%) JSTL
14 12 (27.91%) Java EE
15 11 (25.58%) XSL
Miscellaneous
1 11 (25.58%) Client/Server
2 7 (16.28%) User Experience
3 6 (13.95%) Computer Science
4 5 (11.63%) Wiki
4 5 (11.63%) Blog
4 5 (11.63%) Social Network
4 5 (11.63%) Mobile App
5 4 (9.30%) Analytical Skills
5 4 (9.30%) Data Structures
5 4 (9.30%) Algorithms
5 4 (9.30%) Cryptography
6 2 (4.65%) Web 2.0
Operating Systems
1 24 (55.81%) Linux
2 17 (39.53%) Android
3 10 (23.26%) openSUSE
3 10 (23.26%) Ubuntu
4 7 (16.28%) Apple iOS
5 4 (9.30%) UNIX
5 4 (9.30%) Windows
Processes & Methodologies
1 26 (60.47%) Agile Software Development
2 25 (58.14%) TDD
3 19 (44.19%) Continuous Integration
4 17 (39.53%) Use Case
5 16 (37.21%) E-Commerce
6 15 (34.88%) UML
7 14 (32.56%) OOA/OOD
8 12 (27.91%) OO
8 12 (27.91%) Unit Testing
9 8 (18.60%) Software Engineering
10 7 (16.28%) Android Development
10 7 (16.28%) iOS Development
10 7 (16.28%) Web Development
11 6 (13.95%) User Stories
11 6 (13.95%) Cutover Planning
11 6 (13.95%) BDD
11 6 (13.95%) Scrum
11 6 (13.95%) Project Management
11 6 (13.95%) Quality Management
12 5 (11.63%) MVC
Programming Languages
1 43 (100.00%) Java
2 42 (97.67%) JavaScript
3 14 (32.56%) SQL
4 10 (23.26%) Perl
4 10 (23.26%) PHP
5 8 (18.60%) PL/SQL
6 7 (16.28%) ECMAScript
7 4 (9.30%) XQuery
7 4 (9.30%) Shell Script
7 4 (9.30%) XPath
7 4 (9.30%) C
Qualifications
1 6 (13.95%) Degree
Quality Assurance & Compliance
1 9 (20.93%) QA
System Software
1 10 (23.26%) Docker
2 4 (9.30%) VMware Infrastructure
Systems Management
1 14 (32.56%) Opscode Chef
2 10 (23.26%) Salt
2 10 (23.26%) Puppet
Vendors
1 31 (72.09%) Oracle
2 7 (16.28%) Adobe
3 6 (13.95%) ATG
3 6 (13.95%) IBM
4 4 (9.30%) Cisco
4 4 (9.30%) VMware
4 4 (9.30%) Coverity
4 4 (9.30%) Guidewire