The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for Log4j skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Log4j over the 3 months to 28 June 2017 with a comparison to the same period in the previous 2 years.

Apache Log4j
London / City of London
3 months to
28 Jun 2017
Same period 2016 Same period 2015
Rank - 240 310
Permanent jobs citing Log4j 0 15 5
As % of all permanent IT jobs advertised in the City of London - 0.24% 0.049%
As % of the Development Applications category - 1.36% 0.34%
Number of salaries quoted 0 13 5
Median salary - £40,000 £37,500
Median salary % change year-on-year - +6.66%  
UK excluding London median salary £40,000 £51,250 £39,250
% change year-on-year -21.95% +30.57%  

Log4j is in the development application skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in the City of London with a requirement for development application skills.

Development Application Skills
City of London
Permanent job vacancies with a requirement for development application skills 1055 1105 1469
As % of all permanent IT job vacancies advertised in the City of London 20.53% 17.34% 14.44%
Number of salaries quoted 2250 2498 3176
Median salary £60,000 £60,000 £55,000
Median salary % change year-on-year - +9.09%  
90% offered a salary of more than £41,250 £37,500 £37,500
10% offered a salary of more than £85,000 £77,750 £85,000
UK excluding London median salary £45,000 £42,500 £41,500
% change year-on-year +5.88% +2.40%  

Log4j
Job Vacancy Trend in the City of London

Job postings citing Log4j as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for Log4j in the City of London

Log4j
Salary Trend in the City of London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Log4j in the City of London.

Salary trend for Log4j in the City of London