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 3 months to 29 March 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
3 months to
29 Mar 2017
Same period 2016 Same period 2015
Rank 569 621 603
Rank change year-on-year +52 -18  
Contract jobs citing Log4j 8 5 3
As % of all contract IT jobs advertised in England 0.019% 0.010% 0.006%
As % of the Development Applications category 0.11% 0.069% 0.047%
Number of daily rates quoted 0 2 3
Median daily rate - £475 £275
Median daily rate % change year-on-year - +72.72%  
UK excluding London median daily rate - £325 £275
% change year-on-year - +18.18%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

Log4j is in the development application skills category. The next 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.

Contract Development Application Skills
England
Contract job vacancies with a requirement for development application skills 7296 7264 6373
As % of all contract IT job vacancies advertised in England 17.48% 14.62% 13.13%
Number of daily rates quoted 4927 4894 4135
Median daily rate £440 £425 £400
Median daily rate % change year-on-year +3.52% +6.25%  
90% offered a daily rate of more than £315 £313 £290
10% offered a daily rate of more than £575 £560 £530
UK excluding London median daily rate £400 £375 £365
% change year-on-year +6.66% +2.73%  
Number of hourly rates quoted 162 168 118
Median hourly rate £42.50 £42.00 £37.50
Median hourly rate % change year-on-year +1.19% +12.00%  
90% offered a hourly rate of more than £32.50 £31.50 £29.00
10% offered a hourly rate of more than £52.50 £50.00 £47.00
UK excluding London median hourly rate £42.50 £42.29 £37.50
% change year-on-year +0.49% +12.77%  

Log4j
Job Vacancy Trend in England

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

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 3 months to 29 March 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
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
South East - 7 - -
London +29 1 - -
Log4j
UK

For the 6 months to 29 March 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 26 (100.00%) Java
1 26 (100.00%) Web Services
2 24 (92.31%) XML
3 20 (76.92%) Linux
4 19 (73.08%) XSLT
4 19 (73.08%) JSP
5 18 (69.23%) Oracle
5 18 (69.23%) WebSphere
6 17 (65.38%) WebLogic
7 16 (61.54%) Ant
7 16 (61.54%) JavaScript
7 16 (61.54%) JBoss
7 16 (61.54%) JMS
8 15 (57.69%) ATG
8 15 (57.69%) Apache
8 15 (57.69%) E-Commerce
8 15 (57.69%) Servlets
9 14 (53.85%) Oracle Database
10 13 (50.00%) Personalization
10 13 (50.00%) JDBC
10 13 (50.00%) J2EE
10 13 (50.00%) ATG Dynamo
11 12 (46.15%) Quality Management
11 12 (46.15%) Subversion
12 7 (26.92%) Agile Software Development
13 6 (23.08%) SQL
13 6 (23.08%) HTML
13 6 (23.08%) Tomcat
13 6 (23.08%) Open Source
14 5 (19.23%) REST

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 18 (69.23%) WebSphere
2 17 (65.38%) WebLogic
3 16 (61.54%) JBoss
4 15 (57.69%) Apache
5 13 (50.00%) ATG Dynamo
6 6 (23.08%) Tomcat
7 3 (11.54%) WebLogic Portal
8 2 (7.69%) Jetty
Communications & Networking
1 2 (7.69%) Internet
Database & Business Intelligence
1 14 (53.85%) Oracle Database
2 3 (11.54%) DB2
2 3 (11.54%) MySQL
2 3 (11.54%) SQL Server
3 1 (3.85%) NoSQL
3 1 (3.85%) Oracle Reports
Development Applications
1 16 (61.54%) Ant
2 12 (46.15%) Subversion
3 4 (15.38%) Cucumber
3 4 (15.38%) IntelliJ
4 3 (11.54%) Git (software)
4 3 (11.54%) Jenkins
4 3 (11.54%) JMeter
5 2 (7.69%) JIRA
5 2 (7.69%) JUnit
5 2 (7.69%) Mercurial
5 2 (7.69%) Mockito
5 2 (7.69%) Selenium
5 2 (7.69%) Spock
5 2 (7.69%) TestNG
5 2 (7.69%) WebDriver
6 1 (3.85%) Apache Ivy
6 1 (3.85%) Bugzilla
6 1 (3.85%) CruiseControl
6 1 (3.85%) Eclipse
General
1 4 (15.38%) Finance
2 3 (11.54%) Back Office
2 3 (11.54%) Banking
3 2 (7.69%) Games
Job Titles
1 16 (61.54%) Developer
2 5 (19.23%) Java Developer
2 5 (19.23%) Senior Developer
3 4 (15.38%) Infrastructure Engineer
4 3 (11.54%) Consultant
4 3 (11.54%) Technical Consultant
5 2 (7.69%) Infrastructure Manager
5 2 (7.69%) SQL Developer
5 2 (7.69%) Tester
6 1 (3.85%) Automation Tester
6 1 (3.85%) Designer
6 1 (3.85%) Developer/Software Engineer
6 1 (3.85%) E-Commerce Developer
6 1 (3.85%) Infrastructure Designer
6 1 (3.85%) Java E-Commerce Developer
6 1 (3.85%) Java Engineer
6 1 (3.85%) Java Software Developer
6 1 (3.85%) Selenium Tester
6 1 (3.85%) WebLogic Developer
6 1 (3.85%) WebSphere Developer
Libraries, Frameworks & Software Standards
1 26 (100.00%) Web Services
2 24 (92.31%) XML
3 19 (73.08%) JSP
3 19 (73.08%) XSLT
4 16 (61.54%) JMS
5 15 (57.69%) Servlets
6 13 (50.00%) J2EE
6 13 (50.00%) JDBC
7 6 (23.08%) HTML
8 5 (19.23%) CSS
8 5 (19.23%) JAX-RPC
8 5 (19.23%) REST
8 5 (19.23%) SOAP
8 5 (19.23%) WSDL
8 5 (19.23%) XSL
9 3 (11.54%) Java EE
10 2 (7.69%) HTML5
10 2 (7.69%) JSON
10 2 (7.69%) JSTL
10 2 (7.69%) RESTful
Miscellaneous
1 1 (3.85%) Virtual Team
Operating Systems
1 20 (76.92%) Linux
2 5 (19.23%) Unix
3 4 (15.38%) Windows
3 4 (15.38%) Windows Server
Processes & Methodologies
1 15 (57.69%) E-Commerce
2 13 (50.00%) Personalization
3 12 (46.15%) Quality Management
4 7 (26.92%) Agile Software Development
5 6 (23.08%) Open Source
6 5 (19.23%) Change Management
6 5 (19.23%) Data Management
6 5 (19.23%) ITIL
6 5 (19.23%) TDD
7 4 (15.38%) BDD
7 4 (15.38%) DevOps
7 4 (15.38%) PRINCE2
7 4 (15.38%) Problem Management
8 3 (11.54%) Performance Testing
8 3 (11.54%) Resource Management
8 3 (11.54%) Web Development
9 2 (7.69%) Product Management
9 2 (7.69%) Regression Testing
9 2 (7.69%) Test Scripting
9 2 (7.69%) User Acceptance Testing
Programming Languages
1 26 (100.00%) Java
2 16 (61.54%) JavaScript
3 6 (23.08%) SQL
Qualifications
1 1 (3.85%) BC Cleared
1 1 (3.85%) SC Cleared
1 1 (3.85%) Security Cleared
Quality Assurance & Compliance
1 2 (7.69%) QA
2 1 (3.85%) Disclosure Scotland
Systems Management
1 1 (3.85%) SCCM
Vendors
1 18 (69.23%) Oracle
2 15 (57.69%) ATG
3 3 (11.54%) IBM
3 3 (11.54%) Misys
4 2 (7.69%) Demandware
4 2 (7.69%) Elastic Path
4 2 (7.69%) hybris
5 1 (3.85%) Microsoft