Period
to 20 November 2017

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 6 months to 20 November 2017 with a comparison to the same period in the previous 2 years.

Apache Log4j
UK > England
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 1141 1142 1252
Rank change year-on-year +1 +110 -18
Permanent jobs citing Log4j 9 55 36
As % of all permanent IT jobs advertised in England 0.005% 0.031% 0.018%
As % of the Development Applications category 0.026% 0.17% 0.099%
Number of salaries quoted 3 37 11
England median annual salary £40,000 £52,500 £55,000
Median salary % change year-on-year -23.81% -4.55% +15.79%
10th Percentile £37,500 £37,500 £23,750
90th Percentile £46,500 £115,000 £71,250
UK median annual salary £40,000 £52,500 £55,000
% change year-on-year -23.81% -4.55% +15.79%

Log4j is in the Development Applications category. The following 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.

All Development Application Skills
England
Permanent vacancies with a requirement for development application skills 34332 32965 36291
As % of all permanent IT jobs advertised in England 20.38% 18.67% 17.64%
Number of salaries quoted 28242 28758 30946
England median annual salary £50,000 £47,500 £45,000
Median salary % change year-on-year +5.26% +5.56% -
10th Percentile £31,250 £30,000 £30,000
90th Percentile £75,000 £75,000 £70,000
UK median annual salary £50,000 £47,500 £45,000
% change year-on-year +5.26% +5.56% -

Log4j
Job Vacancy Trend in England

Job postings citing Log4j as a percentage of all IT jobs advertised in England.

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 6 months to 20 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
East of England +2 6 £40,000 -14.89%
South East +43 3 - -
Log4j
UK

For the 6 months to 20 November 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 9 (100.00%) SQL
1 9 (100.00%) Java
1 9 (100.00%) Eclipse
2 8 (88.89%) JavaScript
2 8 (88.89%) HTML
3 6 (66.67%) Mockito
3 6 (66.67%) REST
3 6 (66.67%) JUnit
3 6 (66.67%) XML
3 6 (66.67%) Linux
4 5 (55.56%) CSS
5 3 (33.33%) JDBC
5 3 (33.33%) JSP
5 3 (33.33%) Servlets
5 3 (33.33%) SOAP
5 3 (33.33%) Struts
5 3 (33.33%) Web Services
5 3 (33.33%) XSD
5 3 (33.33%) XSLT
5 3 (33.33%) Unix
5 3 (33.33%) Windows
5 3 (33.33%) HPUX
5 3 (33.33%) Solaris
5 3 (33.33%) WebSphere Application Server
5 3 (33.33%) EJB
5 3 (33.33%) Perl
5 3 (33.33%) J2EE
5 3 (33.33%) Oracle
5 3 (33.33%) DB2
5 3 (33.33%) Ant

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 3 (33.33%) Adobe Experience Manager
1 3 (33.33%) Apache
1 3 (33.33%) CMS
1 3 (33.33%) Confluence
1 3 (33.33%) Jetty
1 3 (33.33%) MediaWiki
1 3 (33.33%) MQSeries
1 3 (33.33%) OpenStack
1 3 (33.33%) WebSphere
1 3 (33.33%) WebSphere Application Server
Applications
1 3 (33.33%) Pipeline Pilot
Business Applications
1 2 (22.22%) Magento
Cloud Services
1 3 (33.33%) OpenShift
Communications & Networking
1 3 (33.33%) Internet
Database & Business Intelligence
1 3 (33.33%) Big Data
1 3 (33.33%) DB2
1 3 (33.33%) Hadoop
1 3 (33.33%) Jackrabbit
1 3 (33.33%) KNIME
1 3 (33.33%) NoSQL
1 3 (33.33%) PostgreSQL
1 3 (33.33%) RDBMS
1 3 (33.33%) Relational Database
Development Applications
1 9 (100.00%) Eclipse
2 6 (66.67%) JUnit
2 6 (66.67%) Mockito
3 3 (33.33%) Ant
3 3 (33.33%) Bugzilla
3 3 (33.33%) Buildbot
3 3 (33.33%) Cucumber
3 3 (33.33%) FindBugs
3 3 (33.33%) Git (software)
3 3 (33.33%) GitLab
3 3 (33.33%) IntelliJ
3 3 (33.33%) Jenkins
3 3 (33.33%) JIRA
3 3 (33.33%) Maven
3 3 (33.33%) Mercurial
3 3 (33.33%) SCons
3 3 (33.33%) Sonatype Nexus
3 3 (33.33%) Subversion
3 3 (33.33%) WebSphere Studio Application Developer
General
1 1 (11.11%) Games
Job Titles
1 9 (100.00%) Developer
1 9 (100.00%) Java Developer
2 3 (33.33%) Senior Developer
2 3 (33.33%) Senior Java Developer
3 2 (22.22%) HTML CSS Developer
3 2 (22.22%) HTML Developer
3 2 (22.22%) JavaScript Developer
3 2 (22.22%) SQL Developer
Libraries, Frameworks & Software Standards
1 8 (88.89%) HTML
2 6 (66.67%) REST
2 6 (66.67%) XML
3 5 (55.56%) CSS
4 3 (33.33%) Ajax
4 3 (33.33%) EJB
4 3 (33.33%) J2EE
4 3 (33.33%) J2SE
4 3 (33.33%) JDBC
4 3 (33.33%) JMS
4 3 (33.33%) JSON
4 3 (33.33%) JSP
4 3 (33.33%) JSTL
4 3 (33.33%) Servlets
4 3 (33.33%) SOAP
4 3 (33.33%) Struts
4 3 (33.33%) Web Services
4 3 (33.33%) XHTML
4 3 (33.33%) XSD
4 3 (33.33%) XSLT
Miscellaneous
1 3 (33.33%) Grid Computing
1 3 (33.33%) Life Science
Operating Systems
1 6 (66.67%) Linux
2 3 (33.33%) HPUX
2 3 (33.33%) Solaris
2 3 (33.33%) Unix
2 3 (33.33%) Windows
Processes & Methodologies
1 3 (33.33%) Agile Software Development
1 3 (33.33%) API Development
1 3 (33.33%) Continuous Integration
1 3 (33.33%) Creative Thinking
1 3 (33.33%) DevOps
1 3 (33.33%) DNA
1 3 (33.33%) Document Management
1 3 (33.33%) E-Commerce
1 3 (33.33%) Full Text Search
1 3 (33.33%) Microservices
1 3 (33.33%) MVC
1 3 (33.33%) OO
1 3 (33.33%) Open Source
1 3 (33.33%) Pair Programming
1 3 (33.33%) RAD
1 3 (33.33%) Scrum
1 3 (33.33%) SDLC
1 3 (33.33%) Software Engineering
1 3 (33.33%) TDD
1 3 (33.33%) UML
Programming Languages
1 9 (100.00%) Java
1 9 (100.00%) SQL
2 8 (88.89%) JavaScript
3 3 (33.33%) Bash Shell
3 3 (33.33%) Perl
Qualifications
1 3 (33.33%) Degree
1 3 (33.33%) Postgraduate
System Software
1 3 (33.33%) Docker
Systems Management
1 3 (33.33%) Ansible
Vendors
1 3 (33.33%) ATG
1 3 (33.33%) Blue Martini
1 3 (33.33%) Elastic Path
1 3 (33.33%) IBM
1 3 (33.33%) Oracle
2 2 (22.22%) Demandware
2 2 (22.22%) hybris
3 1 (11.11%) Interwoven