The table below looks at the statistics for Log4j skills in IT jobs advertised for the Hertfordshire region. Included is a guide to the salaries offered in IT jobs that have cited Log4j over the 3 months to 28 July 2016 with a comparison to the same period over the previous 2 years.

3 months to
28 Jul 2016
Same period 2015 Same period 2014
Apache Log4j
Rank 130 156 152
Rank change year-on-year
+26 -4
Permanent jobs citing Log4j 3 3 6
As % of all permanent IT jobs located in Hertfordshire 0.15% 0.12% 0.24%
As % of the Development Applications category 0.85% 0.71% 1.66%
Number of salaries quoted 3 0 0
Median salary £52,500 - -
UK excluding London median salary £51,250 £25,500 £38,750
% change year-on-year
+100.98% -34.19%
Log4j
East of 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 Hertfordshire region.

Development Applications Category
Hertfordshire
Permanent IT job ads with a match in the
Development Applications category
351 420 361
As % of all permanent IT jobs located in Hertfordshire 17.54% 17.19% 14.33%
Number of salaries quoted 326 364 313
Median salary £50,000 £47,500 £45,000
Median salary % change year-on-year
+5.26% +5.55%
90% offered a salary of more than £33,500 £30,000 £35,000
10% offered a salary of more than £70,000 £60,000 £67,500
UK excluding London median salary £42,500 £42,500 £40,000
% change year-on-year
- +6.25%

Log4j
Jobs Demand Trend in Hertfordshire

The demand trend of job ads across the Hertfordshire region citing Log4j as a proportion of all IT jobs with a match in the Development Applications category.

Log4j Jobs Demand Trend in Hertfordshire

Log4j
Salary Trend in Hertfordshire

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

Log4j Salary Trend in Hertfordshire

Log4j
Top 30 Related IT Skills in Hertfordshire

For the 6 months to 28 July 2016, 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 Hertfordshire region with a requirement for Log4j.

1 7 (100.00%) HTML
1 7 (100.00%) Java
1 7 (100.00%) JavaScript
1 7 (100.00%) SQL
1 7 (100.00%) J2EE
1 7 (100.00%) DB2
1 7 (100.00%) Ant
1 7 (100.00%) WebSphere Application Server
1 7 (100.00%) WebLogic
1 7 (100.00%) EJB
1 7 (100.00%) Struts
1 7 (100.00%) Unix
1 7 (100.00%) Apache
1 7 (100.00%) Tomcat
1 7 (100.00%) XHTML
1 7 (100.00%) JSP
1 7 (100.00%) Servlets
1 7 (100.00%) JMS
1 7 (100.00%) Eclipse
1 7 (100.00%) IBM
1 7 (100.00%) JSTL
1 7 (100.00%) WebSphere
2 4 (57.14%) Degree
2 4 (57.14%) JSON
2 4 (57.14%) ActiveMQ
2 4 (57.14%) Subversion
2 4 (57.14%) Spring
2 4 (57.14%) Blue Martini
2 4 (57.14%) Jackrabbit
2 4 (57.14%) Git (software)

Log4j
Top Related IT Skills in Hertfordshire 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 (100.00%) Apache
1 7 (100.00%) Tomcat
1 7 (100.00%) WebLogic
1 7 (100.00%) WebSphere
1 7 (100.00%) WebSphere Application Server
2 4 (57.14%) Adobe Experience Manager
2 4 (57.14%) CMS
2 4 (57.14%) MQSeries
Communications & Networking
1 4 (57.14%) Internet
Database & Business Intelligence
1 7 (100.00%) DB2
2 4 (57.14%) Jackrabbit
2 4 (57.14%) RDBMS
2 4 (57.14%) Relational Database
Development Applications
1 7 (100.00%) Ant
1 7 (100.00%) Eclipse
2 4 (57.14%) Git (software)
2 4 (57.14%) JUnit
2 4 (57.14%) Mockito
2 4 (57.14%) Subversion
Job Titles
1 7 (100.00%) Developer
1 7 (100.00%) Java Developer
2 4 (57.14%) E-Commerce Developer
2 4 (57.14%) J2EE Developer
2 4 (57.14%) J2EE WebSphere Developer
2 4 (57.14%) Java E-Commerce Developer
2 4 (57.14%) Java WebSphere Developer
2 4 (57.14%) Java/J2EE Developer
2 4 (57.14%) SQL Developer
2 4 (57.14%) WebSphere Developer
3 3 (42.86%) Senior Developer
3 3 (42.86%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 7 (100.00%) EJB
1 7 (100.00%) HTML
1 7 (100.00%) J2EE
1 7 (100.00%) JMS
1 7 (100.00%) JSP
1 7 (100.00%) JSTL
1 7 (100.00%) Servlets
1 7 (100.00%) Struts
1 7 (100.00%) XHTML
2 4 (57.14%) ActiveMQ
2 4 (57.14%) JDBC
2 4 (57.14%) JSON
2 4 (57.14%) REST
2 4 (57.14%) SOAP
2 4 (57.14%) Spring
2 4 (57.14%) Spring Integration
2 4 (57.14%) Web Services
2 4 (57.14%) XML
2 4 (57.14%) XSD
2 4 (57.14%) XSLT
Operating Systems
1 7 (100.00%) Unix
2 4 (57.14%) HPUX
2 4 (57.14%) Linux
2 4 (57.14%) Solaris
Processes & Methodologies
1 4 (57.14%) E-Commerce
1 4 (57.14%) RAD
Programming Languages
1 7 (100.00%) Java
1 7 (100.00%) JavaScript
1 7 (100.00%) SQL
Qualifications
1 4 (57.14%) Degree
1 4 (57.14%) Sun Certification
Vendors
1 7 (100.00%) IBM
2 4 (57.14%) ATG
2 4 (57.14%) Blue Martini
2 4 (57.14%) Elastic Path
2 4 (57.14%) Interwoven
2 4 (57.14%) Sun