Period
to 23 November 2017

The following table provides summary statistics for contract job vacancies advertised in England with a requirement for Log4j skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Log4j over the 6 months to 23 November 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Apache Log4j
UK > England
6 months to
23 Nov 2017
Same period 2016 Same period 2015
Rank 842 824 854
Rank change year-on-year -18 +30 -12
Contract jobs citing Log4j 15 49 17
As % of all contract IT jobs advertised in England 0.016% 0.050% 0.016%
As % of the Development Applications category 0.084% 0.30% 0.11%
Number of daily rates quoted 6 34 1
England median daily rate £506 £425 £400
Median daily rate % change year-on-year +19.12% +6.25% -
10th Percentile £400 £293 £375
90th Percentile £559 £475 £425
UK median daily rate £519 £425 £228
% change year-on-year +22.06% +86.81% -43.13%
Number of hourly rates quoted 0 0 0
England median hourly rate - - -
UK median hourly rate - - -

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

All Development Application Skills
England
Contract vacancies with a requirement for development application skills 17805 16194 14943
As % of all contract IT jobs advertised in England 18.77% 16.56% 14.39%
Number of daily rates quoted 12484 10960 10035
England median daily rate £457 £425 £405
Median daily rate % change year-on-year +7.41% +4.94% +1.25%
10th Percentile £313 £304 £280
90th Percentile £606 £575 £575
UK median daily rate £450 £425 £400
% change year-on-year +5.88% +6.25% -
Number of hourly rates quoted 269 232 284
England median hourly rate £42.50 £41.00 £40.00
Median hourly rate % change year-on-year +3.66% +2.50% +6.67%
10th Percentile £28.95 £26.16 £23.83
90th Percentile £60.00 £53.75 £48.75
UK median hourly rate £42.50 £41.00 £40.00
% change year-on-year +3.66% +2.50% +6.67%

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
Contractor Daily Rate Trend in England

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Log4j in England.

Contractor daily rate trend for Log4j in England

Log4j
Contractor Hourly Rate Trend in England

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Log4j in England.

Contractor hourly rate trend for Log4j in England

Log4j
Contract Job Locations in England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Log4j within the England region over the 6 months to 23 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
London -10 10 £506 -3.57%
East of England -16 5 - -
Log4j
UK

For the 6 months to 23 November 2017, IT contractor jobs citing Log4j also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the England region with a requirement for Log4j.

1 14 (93.33%) Linux
2 13 (86.67%) Java
2 13 (86.67%) SQL
3 12 (80.00%) Apache
3 12 (80.00%) Web Services
3 12 (80.00%) Git (software)
4 11 (73.33%) Tomcat
4 11 (73.33%) MySQL
4 11 (73.33%) Agile Software Development
4 11 (73.33%) TDD
5 9 (60.00%) JUnit
5 9 (60.00%) JDBC
5 9 (60.00%) XML
5 9 (60.00%) Unix
6 8 (53.33%) HPUX
6 8 (53.33%) Solaris
6 8 (53.33%) XSD
6 8 (53.33%) XSLT
6 8 (53.33%) MQSeries
6 8 (53.33%) E-Commerce
6 8 (53.33%) JSP
6 8 (53.33%) SOAP
6 8 (53.33%) EJB
6 8 (53.33%) J2EE
6 8 (53.33%) Subversion
6 8 (53.33%) Spring
6 8 (53.33%) IBM
6 8 (53.33%) RAD
6 8 (53.33%) JMS
6 8 (53.33%) Eclipse

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 12 (80.00%) Apache
2 11 (73.33%) Tomcat
3 8 (53.33%) MQSeries
4 1 (6.67%) Adobe Experience Manager
4 1 (6.67%) CMS
4 1 (6.67%) WebSphere
4 1 (6.67%) WebSphere Application Server
Business Applications
1 1 (6.67%) Magento
Cloud Services
1 4 (26.67%) Amazon AWS
2 3 (20.00%) iPaaS
3 2 (13.33%) Amazon CloudWatch
4 1 (6.67%) BlazeMeter
Communications & Networking
1 8 (53.33%) Internet
2 4 (26.67%) HTTP
2 4 (26.67%) LDAP
Database & Business Intelligence
1 11 (73.33%) MySQL
2 4 (26.67%) Apache Cassandra
2 4 (26.67%) SQL Server
3 2 (13.33%) MongoDB
4 1 (6.67%) DB2
4 1 (6.67%) Jackrabbit
4 1 (6.67%) RDBMS
4 1 (6.67%) Relational Database
Development Applications
1 12 (80.00%) Git (software)
2 9 (60.00%) JUnit
3 8 (53.33%) Eclipse
3 8 (53.33%) Mockito
3 8 (53.33%) Subversion
4 7 (46.67%) Maven
4 7 (46.67%) Talend Open Studio
5 5 (33.33%) JMeter
6 4 (26.67%) Atlassian Bamboo
6 4 (26.67%) Bitbucket
6 4 (26.67%) Fiddler
6 4 (26.67%) Jenkins
6 4 (26.67%) JIRA
6 4 (26.67%) YourKit
7 3 (20.00%) Gatling
7 3 (20.00%) Hudson
7 3 (20.00%) LoadRunner
7 3 (20.00%) LoadUI
8 2 (13.33%) Zephyr
9 1 (6.67%) WebPagetest
General
1 6 (40.00%) Games
2 1 (6.67%) Banking
Job Titles
1 5 (33.33%) Developer
1 5 (33.33%) Java Developer
2 4 (26.67%) Technical Leader
3 3 (20.00%) Performance Engineer
4 1 (6.67%) AWS Infrastructure Lead
4 1 (6.67%) DevOps Engineer
4 1 (6.67%) Infrastructure Tester
4 1 (6.67%) Java Engineer
4 1 (6.67%) Performance Test Engineer
4 1 (6.67%) QA Engineer
4 1 (6.67%) Test Engineer
4 1 (6.67%) Test Leader
4 1 (6.67%) Tester
Libraries, Frameworks & Software Standards
1 12 (80.00%) Web Services
2 9 (60.00%) JDBC
2 9 (60.00%) XML
3 8 (53.33%) EJB
3 8 (53.33%) J2EE
3 8 (53.33%) JMS
3 8 (53.33%) JSON
3 8 (53.33%) JSP
3 8 (53.33%) REST
3 8 (53.33%) SOAP
3 8 (53.33%) Spring
3 8 (53.33%) XSD
3 8 (53.33%) XSLT
4 7 (46.67%) ActiveMQ
4 7 (46.67%) Apache Camel
4 7 (46.67%) Spring Boot
4 7 (46.67%) Spring Security
5 5 (33.33%) Ajax
5 5 (33.33%) HTML
6 4 (26.67%) ODBC
Miscellaneous
1 4 (26.67%) Client/Server
Operating Systems
1 14 (93.33%) Linux
2 9 (60.00%) Unix
3 8 (53.33%) HPUX
3 8 (53.33%) Solaris
4 5 (33.33%) Windows
Processes & Methodologies
1 11 (73.33%) Agile Software Development
1 11 (73.33%) TDD
2 8 (53.33%) E-Commerce
2 8 (53.33%) RAD
3 7 (46.67%) Dependency Management
3 7 (46.67%) ETL
4 4 (26.67%) ATDD
4 4 (26.67%) BDD
4 4 (26.67%) Continuous Delivery
4 4 (26.67%) Continuous Integration
4 4 (26.67%) Defect Management
4 4 (26.67%) Feature Driven Development
4 4 (26.67%) Performance Monitoring
4 4 (26.67%) Performance Tuning
5 3 (20.00%) DNA
5 3 (20.00%) Performance Testing
6 2 (13.33%) Performance Engineering
6 2 (13.33%) Test Management
6 2 (13.33%) UML
7 1 (6.67%) DevOps
Programming Languages
1 13 (86.67%) Java
1 13 (86.67%) SQL
2 5 (33.33%) Bash Shell
3 2 (13.33%) JavaScript
4 1 (6.67%) Groovy
4 1 (6.67%) Perl
4 1 (6.67%) Scala
Quality Assurance & Compliance
1 3 (20.00%) QA
2 1 (6.67%) Sarbanes-Oxley
Systems Management
1 4 (26.67%) Grafana
1 4 (26.67%) Graphite
1 4 (26.67%) HP SiteScope
1 4 (26.67%) Nagios
1 4 (26.67%) ZABBIX
2 2 (13.33%) Ansible
2 2 (13.33%) Opscode Chef
2 2 (13.33%) Puppet
Vendors
1 8 (53.33%) IBM
2 7 (46.67%) Talend
3 4 (26.67%) Dynatrace
3 4 (26.67%) HP
4 1 (6.67%) ATG
4 1 (6.67%) Blue Martini
4 1 (6.67%) Demandware
4 1 (6.67%) Elastic Path
4 1 (6.67%) hybris
4 1 (6.67%) Neustar
4 1 (6.67%) SOASTA, Inc