Period
to 13 August 2020

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 August 2020 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 Aug 2020
Same period 2019 Same period 2018
Rank 510 811 861
Rank change year-on-year +301 +50 -36
Contract jobs citing Log4j 2 6 8
As % of all contract jobs advertised in England 0.007% 0.007% 0.009%
As % of the Development Applications category 0.036% 0.038% 0.042%
Number of daily rates quoted 1 2 3
Median daily rate £400 £413 £550
Median daily rate % change year-on-year -3.03% -25.00% +10.00%
UK median daily rate £400 £413 £550
% change year-on-year -3.03% -25.00% +10.00%
Number of hourly rates quoted 0 0 0
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 5,613 15,720 19,250
As % of all contract IT jobs advertised in England 18.47% 19.00% 20.57%
Number of daily rates quoted 3,661 10,366 13,331
Median daily rate £500 £475 £475
Median daily rate % change year-on-year +5.26% - +5.56%
10th Percentile £331 £338 £325
90th Percentile £675 £638 £625
UK median daily rate £500 £475 £473
% change year-on-year +5.26% +0.53% +5.70%
Number of hourly rates quoted 116 231 208
Median hourly rate £43.50 £45.00 £42.38
Median hourly rate % change year-on-year -3.33% +6.19% +3.35%
10th Percentile £25.92 £23.25 £26.43
90th Percentile £57.50 £55.50 £54.13
Median hourly rate £42.50 £44.00 £42.50
% change year-on-year -3.41% +3.53% +1.80%

Log4j
Job Vacancy Trend in England

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

Job vacancy trend for Log4j in England

Log4j
Contractor Daily Rate Trend in England

3-month moving average daily rate quoted in jobs citing Log4j in England.

Daily rate trend for Log4j in England

Log4j
Contractor Hourly Rate Trend in England

3-month moving average hourly rates quoted in jobs citing Log4j in England.

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 August 2020. 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 +208 1 £400 -
North West - 1 - -
North of England - 1 - - 1
Log4j
UK

For the 6 months to 13 August 2020, 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 2 (100.00%) HTML
1 2 (100.00%) Spring
1 2 (100.00%) Splunk
1 2 (100.00%) AngularJS
1 2 (100.00%) Jenkins
1 2 (100.00%) CSS
2 1 (50.00%) Grafana
2 1 (50.00%) Java 8
2 1 (50.00%) Camunda
2 1 (50.00%) webpack
2 1 (50.00%) Spring Boot
2 1 (50.00%) JDBC
2 1 (50.00%) HTTP
2 1 (50.00%) Twitter Bootstrap
2 1 (50.00%) TypeScript
2 1 (50.00%) Kibana
2 1 (50.00%) Microservices
2 1 (50.00%) AppDynamics
2 1 (50.00%) AOP
2 1 (50.00%) JSON
2 1 (50.00%) Spring MVC
2 1 (50.00%) jQuery
2 1 (50.00%) Git (software)
2 1 (50.00%) HTML5
2 1 (50.00%) Mockito
2 1 (50.00%) MVC
2 1 (50.00%) Hibernate
2 1 (50.00%) Java
2 1 (50.00%) JavaScript
2 1 (50.00%) JUnit

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 1 (50.00%) Camunda
Communications & Networking
1 1 (50.00%) HTTP
Development Applications
1 2 (100.00%) Jenkins
2 1 (50.00%) Git (software)
2 1 (50.00%) JUnit
2 1 (50.00%) Mockito
2 1 (50.00%) webpack
Job Titles
1 2 (100.00%) Angular Developer
1 2 (100.00%) Developer
1 2 (100.00%) Full Stack Developer
2 1 (50.00%) Java Developer
Libraries, Frameworks & Software Standards
1 2 (100.00%) AngularJS
1 2 (100.00%) CSS
1 2 (100.00%) HTML
1 2 (100.00%) Spring
2 1 (50.00%) Hibernate
2 1 (50.00%) HTML5
2 1 (50.00%) JDBC
2 1 (50.00%) jQuery
2 1 (50.00%) JSON
2 1 (50.00%) Spring Boot
2 1 (50.00%) Spring MVC
2 1 (50.00%) Twitter Bootstrap
Processes & Methodologies
1 1 (50.00%) AOP
1 1 (50.00%) Microservices
1 1 (50.00%) MVC
Programming Languages
1 1 (50.00%) Java
1 1 (50.00%) Java 8
1 1 (50.00%) JavaScript
1 1 (50.00%) TypeScript
Systems Management
1 1 (50.00%) Grafana
1 1 (50.00%) Kibana
Vendors
1 2 (100.00%) Splunk
2 1 (50.00%) AppDynamics