The following table provides summary statistics for permanent job vacancies advertised in England with a requirement for Log4j skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Log4j over the 3 months to 22 June 2017 with a comparison to the same period in the previous 2 years.

Apache Log4j
UK / England
3 months to
22 Jun 2017
Same period 2016 Same period 2015
Rank 851 866 938
Rank change year-on-year +15 +72  
Permanent jobs citing Log4j 4 41 18
As % of all permanent IT jobs advertised in England 0.005% 0.044% 0.017%
As % of the Development Applications category 0.023% 0.24% 0.10%
Number of salaries quoted 3 26 9
Median salary £40,000 £42,500 £37,500
Median salary % change year-on-year -5.88% +13.33%  
UK excluding London median salary £40,000 £50,000 £39,250
% change year-on-year -20.00% +27.38%  

Log4j is in the development application skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in England with a requirement for development application skills.

Development Application Skills
England
Permanent job vacancies with a requirement for development application skills 17524 16902 17648
As % of all permanent IT job vacancies advertised in England 20.99% 18.24% 16.97%
Number of salaries quoted 14567 14845 14931
Median salary £50,000 £50,000 £47,500
Median salary % change year-on-year - +5.26%  
90% offered a salary of more than £35,000 £33,500 £32,500
10% offered a salary of more than £74,250 £66,000 £72,500
UK excluding London median salary £45,000 £42,500 £42,000
% change year-on-year +5.88% +1.19%  

Log4j
Job Vacancy Trend in England

The job posting trend of jobs advertised in England citing Log4j as a proportion of all permanent or contract IT jobs with a match in the Development Applications category.

Job vacancy trend for Log4j in England

Log4j
Salary Trend in England

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

Salary trend for Log4j in England

Log4j
Job Locations in England

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Log4j within the England region over the 3 months to 22 June 2017. 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 Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
East of England 0 3 £40,000 -23.80%
London +2 1 - - 1
Log4j
UK

For the 6 months to 22 June 2017, IT jobs citing Log4j also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the England region with a requirement for Log4j.

1 10 (100.00%) Java
2 8 (80.00%) SQL
3 7 (70.00%) Oracle
3 7 (70.00%) Tomcat
4 6 (60.00%) Eclipse
4 6 (60.00%) HTML
4 6 (60.00%) JavaScript
4 6 (60.00%) Degree
4 6 (60.00%) SDLC
5 5 (50.00%) Software Engineering
5 5 (50.00%) CSS
6 4 (40.00%) Web Services
6 4 (40.00%) Ajax
6 4 (40.00%) Continuous Integration
7 3 (30.00%) Jetty
7 3 (30.00%) Test Automation
7 3 (30.00%) RESTful
7 3 (30.00%) Mercurial
7 3 (30.00%) jQuery
7 3 (30.00%) Life Science
7 3 (30.00%) QA
7 3 (30.00%) Selenium
7 3 (30.00%) Hadoop
7 3 (30.00%) MyEclipse
7 3 (30.00%) Mockito
7 3 (30.00%) Natural Language Processing
7 3 (30.00%) MediaWiki
7 3 (30.00%) Ansible
7 3 (30.00%) KNIME
7 3 (30.00%) Full Text Search

Log4j
Co-occurring IT Skills in England by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 7 (70.00%) Tomcat
2 3 (30.00%) Jetty
2 3 (30.00%) MediaWiki
2 3 (30.00%) OpenStack
2 3 (30.00%) WebLogic
3 2 (20.00%) Apache
Cloud Services
1 1 (10.00%) Amazon AWS
Communications & Networking
1 1 (10.00%) HTTP
1 1 (10.00%) LDAP
Database & Business Intelligence
1 3 (30.00%) Hadoop
1 3 (30.00%) KNIME
1 3 (30.00%) PostgreSQL
2 2 (20.00%) MySQL
3 1 (10.00%) Apache Cassandra
3 1 (10.00%) Big Data
3 1 (10.00%) MongoDB
3 1 (10.00%) Oracle Database
3 1 (10.00%) Oracle Database 11g
3 1 (10.00%) SQL Server
Development Applications
1 6 (60.00%) Eclipse
2 3 (30.00%) Ant
2 3 (30.00%) Bugzilla
2 3 (30.00%) Buildbot
2 3 (30.00%) FindBugs
2 3 (30.00%) JUnit
2 3 (30.00%) Maven
2 3 (30.00%) Mercurial
2 3 (30.00%) Mockito
2 3 (30.00%) MyEclipse
2 3 (30.00%) SCons
2 3 (30.00%) Selenium
3 2 (20.00%) Selenium IDE
3 2 (20.00%) SoapUI
4 1 (10.00%) Bitbucket
4 1 (10.00%) Hudson
4 1 (10.00%) Jenkins
4 1 (10.00%) JIRA
4 1 (10.00%) LoadUI
4 1 (10.00%) YourKit
Job Titles
1 6 (60.00%) Developer
1 6 (60.00%) Java Developer
2 3 (30.00%) Senior Developer
2 3 (30.00%) Senior Java Developer
3 2 (20.00%) HTML CSS Developer
3 2 (20.00%) HTML Developer
3 2 (20.00%) JavaScript Developer
3 2 (20.00%) QA Engineer
3 2 (20.00%) SQL Developer
3 2 (20.00%) Test Engineer
4 1 (10.00%) Analyst
4 1 (10.00%) Applications Support
4 1 (10.00%) Applications Support Engineer
4 1 (10.00%) QA Analyst
4 1 (10.00%) QA Test Analyst
4 1 (10.00%) QA Test Engineer
4 1 (10.00%) Senior Applications Support
4 1 (10.00%) Senior Support Engineer
4 1 (10.00%) Support Engineer
4 1 (10.00%) Test Analyst
Libraries, Frameworks & Software Standards
1 6 (60.00%) HTML
2 5 (50.00%) CSS
3 4 (40.00%) Ajax
3 4 (40.00%) Web Services
4 3 (30.00%) AWT
4 3 (30.00%) Hibernate
4 3 (30.00%) J2EE
4 3 (30.00%) J2SE
4 3 (30.00%) JAAS
4 3 (30.00%) JavaBeans
4 3 (30.00%) JDBC
4 3 (30.00%) jQuery
4 3 (30.00%) JSF
4 3 (30.00%) JSP
4 3 (30.00%) RESTful
4 3 (30.00%) Servlets
4 3 (30.00%) Struts
4 3 (30.00%) Swing
4 3 (30.00%) SWT
4 3 (30.00%) XML
Miscellaneous
1 3 (30.00%) Grid Computing
1 3 (30.00%) Life Science
2 1 (10.00%) Client/Server
2 1 (10.00%) Computer Science
Operating Systems
1 3 (30.00%) Windows
2 2 (20.00%) Linux
3 1 (10.00%) Unix
Processes & Methodologies
1 6 (60.00%) SDLC
2 5 (50.00%) Software Engineering
3 4 (40.00%) Continuous Integration
4 3 (30.00%) Agile Software Development
4 3 (30.00%) Document Management
4 3 (30.00%) Full Text Search
4 3 (30.00%) MVC
4 3 (30.00%) Test Automation
4 3 (30.00%) Validation
5 2 (20.00%) Analytics
5 2 (20.00%) Open Source
5 2 (20.00%) Process Improvement
5 2 (20.00%) Software Testing
5 2 (20.00%) Test Scripting
6 1 (10.00%) ATDD
6 1 (10.00%) Capacity Management
6 1 (10.00%) Continuous Delivery
6 1 (10.00%) Defect Management
6 1 (10.00%) Line Management
6 1 (10.00%) Performance Tuning
Programming Languages
1 10 (100.00%) Java
2 8 (80.00%) SQL
3 6 (60.00%) JavaScript
4 2 (20.00%) Bash Shell
5 1 (10.00%) C-shell
5 1 (10.00%) Groovy
5 1 (10.00%) Perl
5 1 (10.00%) PHP
5 1 (10.00%) Python
5 1 (10.00%) Scala
Qualifications
1 6 (60.00%) Degree
2 3 (30.00%) Postgraduate
3 1 (10.00%) Computer Science Degree
Quality Assurance & Compliance
1 3 (30.00%) QA
Systems Management
1 3 (30.00%) Ansible
2 2 (20.00%) Nagios
3 1 (10.00%) Grafana
3 1 (10.00%) Graphite
3 1 (10.00%) HP SiteScope
3 1 (10.00%) ZABBIX
Vendors
1 7 (70.00%) Oracle
2 1 (10.00%) Dynatrace
2 1 (10.00%) HP
2 1 (10.00%) New Relic
2 1 (10.00%) SOASTA, Inc
Oxfordshire
Computer Futures
Salary: £50000 - £80000 per annum + competitive
Posted: Yesterday
London
Computer Futures
Salary: £40000 - £70000 per annum + competitive
Posted: 3 days ago