The table below looks at the statistics for Log4j skills in IT jobs advertised for the London region. Included is a guide to the salaries offered in IT jobs that have cited Log4j over the 3 months to 25 September 2016 with a comparison to the same period over the previous 2 years.

3 months to
25 Sep 2016
Same period 2015 Same period 2014
Apache Log4j
Rank 606 - 645
Rank change year-on-year
- 0
Permanent jobs citing Log4j 11 0 21
As % of all permanent IT jobs located in London 0.029% - 0.046%
As % of the Development Applications category 0.15% - 0.28%
Number of salaries quoted 11 0 21
Median salary £85,000 - £55,000
90% offered a salary of more than £50,000 - £40,000
10% offered a salary of more than £110,000 - £75,000
UK excluding London median salary £50,000 £60,000 £31,000
% change year-on-year
-16.66% +93.54%
Log4j
England

The following table is for comparison with the above and provides statistics for the entire Development Applications category in permanent jobs advertised in the London region.

Development Applications Category
London
Permanent IT job ads with a match in the
Development Applications category
7367 7967 7604
As % of all permanent IT jobs located in London 19.51% 18.04% 16.61%
Number of salaries quoted 6494 6794 6379
Median salary £57,500 £55,000 £52,500
Median salary % change year-on-year
+4.54% +4.76%
90% offered a salary of more than £40,000 £40,000 £37,000
10% offered a salary of more than £80,000 £70,000 £75,000
UK excluding London median salary £42,500 £42,500 £40,000
% change year-on-year
- +6.25%

Log4j
Jobs Demand Trend in London

The demand trend of job ads across the London region citing Log4j as a proportion of all IT jobs with a match in the Development Applications category.

Log4j Jobs Demand Trend in London

Log4j
Salary Trend in London

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

Log4j Salary Trend in London

Log4j
Salary Histogram in London

This chart provides a salary histogram for IT jobs citing Log4j across the London region over the 3 months to 25 September 2016.

Log4j Salary Histogram in London

Log4j
Top 30 Related IT Skills in London

For the 6 months to 25 September 2016, IT jobs citing Log4j also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the London region with a requirement for Log4j.

1 46 (100.00%) Java
2 39 (84.78%) Tomcat
3 35 (76.09%) SQL Server
4 32 (69.57%) Oracle
5 28 (60.87%) Web Services
5 28 (60.87%) HTML
6 27 (58.70%) Linux
7 26 (56.52%) JUnit
7 26 (56.52%) JSP
8 25 (54.35%) Subversion
8 25 (54.35%) Maven
9 24 (52.17%) Ajax
9 24 (52.17%) JIRA
9 24 (52.17%) Git (software)
10 23 (50.00%) Apache
11 22 (47.83%) CSS
11 22 (47.83%) JavaScript
11 22 (47.83%) Perl
11 22 (47.83%) Hibernate
11 22 (47.83%) TDD
12 21 (45.65%) SQL
12 21 (45.65%) Jenkins
13 19 (41.30%) Java EE
14 18 (39.13%) Spring
14 18 (39.13%) XML
14 18 (39.13%) Selenium
14 18 (39.13%) Gradle
15 17 (36.96%) Android
16 16 (34.78%) jQuery
17 15 (32.61%) JSTL

Log4j
Top Related IT Skills in London 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 39 (84.78%) Tomcat
2 23 (50.00%) Apache
3 15 (32.61%) WordPress
4 8 (17.39%) JBoss
4 8 (17.39%) WebLogic
4 8 (17.39%) WebSphere
5 4 (8.70%) Jetty
5 4 (8.70%) WebLogic Portal
6 3 (6.52%) Adobe Experience Manager
6 3 (6.52%) ATG Dynamo
6 3 (6.52%) SharePoint
Applications
1 7 (15.22%) MS Office
2 3 (6.52%) MS Excel
Communications & Networking
1 9 (19.57%) LDAP
2 6 (13.04%) HTTP
3 3 (6.52%) SMTP
Database & Business Intelligence
1 35 (76.09%) SQL Server
2 15 (32.61%) PostgreSQL
3 11 (23.91%) RDBMS
3 11 (23.91%) Relational Database
4 9 (19.57%) MySQL
5 7 (15.22%) Data Warehouse
5 7 (15.22%) Hazelcast
5 7 (15.22%) Oracle Database
5 7 (15.22%) Oracle Database 10g
5 7 (15.22%) Oracle Database 11g
5 7 (15.22%) SSDT
6 6 (13.04%) Apache Cassandra
7 5 (10.87%) MongoDB
8 4 (8.70%) Big Data
8 4 (8.70%) DB2
8 4 (8.70%) MarkLogic
8 4 (8.70%) NoSQL
8 4 (8.70%) Triplestore
9 2 (4.35%) Jackrabbit
Development Applications
1 26 (56.52%) JUnit
2 25 (54.35%) Maven
2 25 (54.35%) Subversion
3 24 (52.17%) Git (software)
3 24 (52.17%) JIRA
4 21 (45.65%) Jenkins
5 18 (39.13%) Gradle
5 18 (39.13%) Selenium
6 15 (32.61%) Bitbucket
6 15 (32.61%) TestNG
7 10 (21.74%) Eclipse
8 7 (15.22%) Mockito
9 6 (13.04%) Ant
9 6 (13.04%) Fiddler
9 6 (13.04%) Gatling
9 6 (13.04%) JMeter
9 6 (13.04%) LoadRunner
9 6 (13.04%) LoadUI
9 6 (13.04%) YourKit
10 5 (10.87%) Atlassian Bamboo
General
1 10 (21.74%) Finance
2 7 (15.22%) Front Office
3 6 (13.04%) Banking
3 6 (13.04%) Investment Banking
4 4 (8.70%) Marketing
5 3 (6.52%) Retail
6 2 (4.35%) Publishing
7 1 (2.17%) Billing
Job Titles
1 28 (60.87%) Developer
2 23 (50.00%) Java Developer
3 8 (17.39%) Senior Developer
4 5 (10.87%) Lead Developer
4 5 (10.87%) Lead Java Developer
4 5 (10.87%) Performance Tester
4 5 (10.87%) Senior Java Developer
4 5 (10.87%) Tester
5 4 (8.70%) Consultant
5 4 (8.70%) Head of Engineering
5 4 (8.70%) LoadRunner Performance Tester
5 4 (8.70%) LoadRunner Tester
5 4 (8.70%) Technical Consultant
6 3 (6.52%) Architect
6 3 (6.52%) Senior Architect
6 3 (6.52%) Senior Solutions Architect
6 3 (6.52%) Solutions Architect
7 2 (4.35%) Oracle Development Manager
7 2 (4.35%) Technical Development Manager
7 2 (4.35%) Technical Leader
Libraries, Frameworks & Software Standards
1 28 (60.87%) HTML
1 28 (60.87%) Web Services
2 26 (56.52%) JSP
3 24 (52.17%) Ajax
4 22 (47.83%) CSS
4 22 (47.83%) Hibernate
5 19 (41.30%) Java EE
6 18 (39.13%) Spring
6 18 (39.13%) XML
7 16 (34.78%) jQuery
8 15 (32.61%) JMS
8 15 (32.61%) JSTL
8 15 (32.61%) LAPP Stack
9 14 (30.43%) J2EE
10 13 (28.26%) ODBC
11 11 (23.91%) JDBC
11 11 (23.91%) XSLT
12 10 (21.74%) Apache Axis
12 10 (21.74%) Servlets
13 7 (15.22%) MDX
Miscellaneous
1 9 (19.57%) Client/Server
2 7 (15.22%) Analytical Skills
2 7 (15.22%) Computer Science
2 7 (15.22%) Credit Risk
2 7 (15.22%) OTC Derivatives
3 6 (13.04%) Social Media
4 4 (8.70%) Equities
4 4 (8.70%) Fixed Income
4 4 (8.70%) Foreign Exchange (FX)
4 4 (8.70%) Management Information System
5 1 (2.17%) Mathematics
5 1 (2.17%) Mobile App
5 1 (2.17%) Tandem
Operating Systems
1 27 (58.70%) Linux
2 17 (36.96%) Android
3 15 (32.61%) openSUSE
3 15 (32.61%) Ubuntu
4 12 (26.09%) Windows
5 7 (15.22%) Red Hat Enterprise Linux
5 7 (15.22%) Unix
6 2 (4.35%) Apple iOS
Processes & Methodologies
1 22 (47.83%) TDD
2 14 (30.43%) Agile Software Development
3 9 (19.57%) Continuous Delivery
4 8 (17.39%) E-Commerce
5 7 (15.22%) ETL
5 7 (15.22%) Migration
5 7 (15.22%) Risk Management
6 6 (13.04%) ATDD
6 6 (13.04%) BDD
6 6 (13.04%) Content Management
6 6 (13.04%) Continuous Integration
6 6 (13.04%) Feature Driven Development
6 6 (13.04%) Performance Monitoring
6 6 (13.04%) Performance Testing
6 6 (13.04%) Performance Tuning
6 6 (13.04%) Web Development
7 5 (10.87%) Defect Management
7 5 (10.87%) Regression Testing
8 4 (8.70%) RDF
8 4 (8.70%) UML
Programming Languages
1 46 (100.00%) Java
2 22 (47.83%) JavaScript
2 22 (47.83%) Perl
3 21 (45.65%) SQL
4 15 (32.61%) PHP
5 10 (21.74%) Scala
6 8 (17.39%) PL/SQL
7 7 (15.22%) ANSI SQL
7 7 (15.22%) Data Analysis Expressions (DAX)
7 7 (15.22%) VBA
8 6 (13.04%) Groovy
9 4 (8.70%) SPARQL
10 3 (6.52%) ECMAScript
11 1 (2.17%) C
11 1 (2.17%) PL/1
Qualifications
1 10 (21.74%) Degree
Quality Assurance & Compliance
1 5 (10.87%) QA
System Software
1 15 (32.61%) Docker
Systems Management
1 15 (32.61%) Opscode Chef
1 15 (32.61%) Puppet
1 15 (32.61%) Salt
2 7 (15.22%) Control-M
3 5 (10.87%) Grafana
3 5 (10.87%) Graphite
3 5 (10.87%) HP SiteScope
3 5 (10.87%) Nagios
Vendors
1 32 (69.57%) Oracle
2 11 (23.91%) IBM
3 7 (15.22%) Informatica
3 7 (15.22%) Red Hat
3 7 (15.22%) Sybase
4 6 (13.04%) Dynatrace
5 4 (8.70%) Cognizant
5 4 (8.70%) Misys
6 3 (6.52%) Adobe
6 3 (6.52%) ATG
7 1 (2.17%) Coverity
7 1 (2.17%) Guidewire