Period
to 13 December 2019

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 13 December 2019 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
13 Dec 2019
Same period 2018 Same period 2017
Rank 733 863 864
Rank change year-on-year +130 +1 -26
Contract jobs citing Log4j 14 7 13
As % of all contract IT jobs advertised in England 0.019% 0.007% 0.014%
As % of the Development Applications category 0.11% 0.034% 0.073%
Number of daily rates quoted 10 1 4
England median daily rate £476 £375 £481
Median daily rate % change year-on-year +27.17% -22.18% +13.24%
10th Percentile £419 £362 £390
90th Percentile £538 £387 £549
UK median daily rate £476 £375 £506
% change year-on-year +27.17% -26.02% +19.12%
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 12,519 20,664 17,826
As % of all contract IT jobs advertised in England 17.21% 21.49% 18.75%
Number of daily rates quoted 8,336 14,337 12,524
England median daily rate £475 £475 £463
Median daily rate % change year-on-year - +2.70% +7.69%
10th Percentile £330 £326 £313
90th Percentile £645 £625 £613
UK median daily rate £475 £475 £450
% change year-on-year - +5.56% +5.88%
Number of hourly rates quoted 191 207 254
England median hourly rate £43.50 £42.50 £42.50
Median hourly rate % change year-on-year +2.35% - +3.66%
10th Percentile £16.50 £30.00 £29.15
90th Percentile £73.00 £53.75 £60.00
UK median hourly rate £44.01 £42.50 £42.50
% change year-on-year +3.55% - +3.66%

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 Daily Rate Histogram in England

The daily rate distribution of IT jobs citing Log4j in England over the 6 months to 13 December 2019.

Contractor daily rate histogram 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 13 December 2019. 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
South East - 8 £475 - 1
London +87 6 £525 +40.19%
Log4j
UK

For the 6 months to 13 December 2019, IT contractor jobs citing Log4j also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the England region with a requirement for Log4j.

1 14 (100.00%) Java
1 14 (100.00%) Linux
1 14 (100.00%) Tomcat
1 14 (100.00%) Debian
1 14 (100.00%) Subversion
1 14 (100.00%) Spring
1 14 (100.00%) Maven
1 14 (100.00%) Ubuntu
1 14 (100.00%) System Testing
1 14 (100.00%) Red Hat Enterprise Linux
1 14 (100.00%) Git (software)
1 14 (100.00%) Test Automation
1 14 (100.00%) Mercurial
1 14 (100.00%) CentOS
1 14 (100.00%) RabbitMQ
1 14 (100.00%) FindBugs
1 14 (100.00%) Jenkins
1 14 (100.00%) SonarQube
2 13 (92.86%) Security Cleared
3 12 (85.71%) Open Source
3 12 (85.71%) Project Delivery
3 12 (85.71%) Agile Software Development
3 12 (85.71%) Continuous Integration
3 12 (85.71%) C++
4 10 (71.43%) Software Engineering
5 9 (64.29%) Configuration Management
5 9 (64.29%) Cloudera
5 9 (64.29%) Hadoop
5 9 (64.29%) Ansible
6 8 (57.14%) Big Data

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 14 (100.00%) Tomcat
Communications & Networking
1 3 (21.43%) HTTP
1 3 (21.43%) SSH
1 3 (21.43%) TCP/IP
1 3 (21.43%) Wireshark
Database & Business Intelligence
1 9 (64.29%) Hadoop
2 8 (57.14%) Big Data
2 8 (57.14%) Cloudera CDH
Development Applications
1 14 (100.00%) FindBugs
1 14 (100.00%) Git (software)
1 14 (100.00%) Jenkins
1 14 (100.00%) Maven
1 14 (100.00%) Mercurial
1 14 (100.00%) SonarQube
1 14 (100.00%) Subversion
Job Titles
1 8 (57.14%) Developer
2 7 (50.00%) Software Engineer
3 6 (42.86%) Java Developer
3 6 (42.86%) Software Developer
4 5 (35.71%) DV Cleared Software Engineer
4 5 (35.71%) Java Software Developer
5 4 (28.57%) Lead Developer
5 4 (28.57%) Lead Software Developer
5 4 (28.57%) SC Cleared Java Developer
6 3 (21.43%) C++ Software Engineer
6 3 (21.43%) Java Engineer
6 3 (21.43%) Java Software Engineer
7 2 (14.29%) Developer/Software Engineer
7 2 (14.29%) Lead Java Developer
8 1 (7.14%) C++ Developer
8 1 (7.14%) C++ Software Developer
8 1 (7.14%) C++/Java Developer
8 1 (7.14%) Lead Software Engineer
8 1 (7.14%) SC Cleared Software Engineer
8 1 (7.14%) Technical Engineer
Libraries, Frameworks & Software Standards
1 14 (100.00%) RabbitMQ
1 14 (100.00%) Spring
Miscellaneous
1 6 (42.86%) Linux Command Line
Operating Systems
1 14 (100.00%) CentOS
1 14 (100.00%) Debian
1 14 (100.00%) Linux
1 14 (100.00%) Red Hat Enterprise Linux
1 14 (100.00%) Ubuntu
Processes & Methodologies
1 14 (100.00%) System Testing
1 14 (100.00%) Test Automation
2 12 (85.71%) Agile Software Development
2 12 (85.71%) Continuous Integration
2 12 (85.71%) Open Source
2 12 (85.71%) Project Delivery
3 10 (71.43%) Software Engineering
4 9 (64.29%) Configuration Management
5 6 (42.86%) Scrum
Programming Languages
1 14 (100.00%) Java
2 12 (85.71%) C++
3 4 (28.57%) Python
Qualifications
1 13 (92.86%) Security Cleared
2 7 (50.00%) SC Cleared
3 6 (42.86%) DV Cleared
Systems Management
1 9 (64.29%) Ansible
2 3 (21.43%) SELinux
Vendors
1 9 (64.29%) Cloudera