The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for GDB skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited GDB over the 3 months to 27 June 2017 with a comparison to the same period in the previous 2 years.

GNU Debugger
England / London
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 601 637 662
Rank change year-on-year +36 +25  
Permanent jobs citing GDB 1 1 7
As % of all permanent IT jobs advertised in London 0.003% 0.002% 0.016%
As % of the Development Applications category 0.013% 0.013% 0.093%
Number of salaries quoted 1 1 7
Median salary £70,000 £80,000 £105,000
Median salary % change year-on-year -12.50% -23.80%  
UK excluding London median salary £55,000 £42,500 £50,000
% change year-on-year +29.41% -15.00%  

GDB 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 London with a requirement for development application skills.

Development Application Skills
London
Permanent job vacancies with a requirement for development application skills 7795 7780 7509
As % of all permanent IT job vacancies advertised in London 21.24% 19.41% 16.97%
Number of salaries quoted 6229 6836 6305
Median salary £60,000 £57,500 £55,000
Median salary % change year-on-year +4.34% +4.54%  
90% offered a salary of more than £40,000 £40,000 £40,000
10% offered a salary of more than £80,000 £75,000 £80,000
UK excluding London median salary £45,000 £42,500 £42,000
% change year-on-year +5.88% +1.19%  

GDB
Job Vacancy Trend in London

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

Job vacancy trend for GDB in London

GDB
Salary Trend in London

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

Salary trend for GDB in London

For the 6 months to 27 June 2017, IT jobs citing GDB 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 GDB.

1 10 (90.91%) Linux
2 9 (81.82%) Python
2 9 (81.82%) C++
3 8 (72.73%) STL
3 8 (72.73%) TCP/IP
3 8 (72.73%) OO
3 8 (72.73%) POSIX
3 8 (72.73%) Finance
3 8 (72.73%) Google
3 8 (72.73%) Mathematics
3 8 (72.73%) Multithreading
3 8 (72.73%) Boost C++ Libraries
3 8 (72.73%) Splunk
3 8 (72.73%) Jenkins
4 7 (63.64%) Enterprise Software
4 7 (63.64%) Go
4 7 (63.64%) REST
4 7 (63.64%) Analytics
4 7 (63.64%) Oracle Database
4 7 (63.64%) Node.js
4 7 (63.64%) Open Source
4 7 (63.64%) Hudson
4 7 (63.64%) Relational Database
4 7 (63.64%) Microservices
4 7 (63.64%) API Design
4 7 (63.64%) Sonatype Nexus
4 7 (63.64%) LEMP Stack
4 7 (63.64%) CppUnit
4 7 (63.64%) Valgrind
4 7 (63.64%) Memory Management

GDB
Co-occurring 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 7 (63.64%) JBoss
1 7 (63.64%) Jetty
1 7 (63.64%) nginx
1 7 (63.64%) Tomcat
1 7 (63.64%) WebLogic
1 7 (63.64%) WebSphere
Cloud Services
1 1 (9.09%) Amazon AWS
1 1 (9.09%) Google Cloud Platform
Communications & Networking
1 8 (72.73%) TCP/IP
2 7 (63.64%) HTTP
2 7 (63.64%) HTTPS
2 7 (63.64%) SNMP
3 1 (9.09%) Multicast
Database & Business Intelligence
1 7 (63.64%) InterSystems Cache
1 7 (63.64%) MySQL
1 7 (63.64%) Oracle Database
1 7 (63.64%) Oracle Database 11g
1 7 (63.64%) PostgreSQL
1 7 (63.64%) Relational Database
2 1 (9.09%) Big Data
Development Applications
1 8 (72.73%) Jenkins
2 7 (63.64%) Ant
2 7 (63.64%) CppUnit
2 7 (63.64%) Eclipse
2 7 (63.64%) Hudson
2 7 (63.64%) JUnit
2 7 (63.64%) Maven
2 7 (63.64%) Sonatype Nexus
2 7 (63.64%) Subversion
2 7 (63.64%) Valgrind
2 7 (63.64%) XMLSpy
3 2 (18.18%) GCC
4 1 (9.09%) Git (software)
4 1 (9.09%) IDA Disassembler
General
1 8 (72.73%) Finance
2 7 (63.64%) Banking
Job Titles
1 5 (45.45%) C++ Software Engineer
1 5 (45.45%) Senior C++ Software Engineer
1 5 (45.45%) Senior Software Engineer
1 5 (45.45%) Software Engineer
2 3 (27.27%) C++ Developer
2 3 (27.27%) Developer
3 1 (9.09%) Analyst
3 1 (9.09%) Analyst Programmer
3 1 (9.09%) C++ Analyst Programmer
3 1 (9.09%) C++ Programmer
3 1 (9.09%) Linux Developer
3 1 (9.09%) Programmer
3 1 (9.09%) Security Researcher
3 1 (9.09%) Senior C++ Developer
3 1 (9.09%) Senior Developer
3 1 (9.09%) Senior Systems Developer
Libraries, Frameworks & Software Standards
1 8 (72.73%) Boost C++ Libraries
1 8 (72.73%) POSIX
1 8 (72.73%) STL
2 7 (63.64%) CSS
2 7 (63.64%) DOM
2 7 (63.64%) Hibernate
2 7 (63.64%) HTML
2 7 (63.64%) J2EE
2 7 (63.64%) JAXB
2 7 (63.64%) JMS
2 7 (63.64%) JRules
2 7 (63.64%) JSP
2 7 (63.64%) Node.js
2 7 (63.64%) SAX
2 7 (63.64%) SOAP
2 7 (63.64%) Web Services
2 7 (63.64%) WSDL
2 7 (63.64%) XML
2 7 (63.64%) XSD
2 7 (63.64%) XSLT
Miscellaneous
1 7 (63.64%) Enterprise Software
2 1 (9.09%) Algorithms
2 1 (9.09%) Computer Science
2 1 (9.09%) Data Structures
2 1 (9.09%) Equities
2 1 (9.09%) Fixed Income
2 1 (9.09%) Foreign Exchange (FX)
Operating Systems
1 10 (90.91%) Linux
2 7 (63.64%) Windows
3 2 (18.18%) Red Hat Enterprise Linux
4 1 (9.09%) CentOS
4 1 (9.09%) Unix
Processes & Methodologies
1 8 (72.73%) Mathematics
1 8 (72.73%) Multithreading
1 8 (72.73%) OO
2 7 (63.64%) Agile Software Development
2 7 (63.64%) Analytics
2 7 (63.64%) AOP
2 7 (63.64%) API Design
2 7 (63.64%) BPMN
2 7 (63.64%) Continuous Integration
2 7 (63.64%) ETL
2 7 (63.64%) Memory Management
2 7 (63.64%) Microservices
2 7 (63.64%) Open Source
2 7 (63.64%) RUP
2 7 (63.64%) Software Engineering
2 7 (63.64%) UML
2 7 (63.64%) Workflow
3 1 (9.09%) Low Latency
3 1 (9.09%) Pattern Recognition
3 1 (9.09%) Software Architecture
Programming Languages
1 9 (81.82%) C++
1 9 (81.82%) Python
2 7 (63.64%) C
2 7 (63.64%) C#
2 7 (63.64%) Go
2 7 (63.64%) Groovy
2 7 (63.64%) Java
2 7 (63.64%) JavaScript
2 7 (63.64%) Ruby
2 7 (63.64%) Scala
2 7 (63.64%) Shell Script
2 7 (63.64%) SQL
3 1 (9.09%) Bash Shell
3 1 (9.09%) Perl
Qualifications
1 2 (18.18%) Degree
2 1 (9.09%) DV Cleared
2 1 (9.09%) Security Cleared
System Software
1 1 (9.09%) Docker
1 1 (9.09%) KVM
1 1 (9.09%) VMware Infrastructure
Systems Management
1 1 (9.09%) Graphite
1 1 (9.09%) logstash
1 1 (9.09%) Nagios
1 1 (9.09%) Prometheus
1 1 (9.09%) Puppet
Vendors
1 8 (72.73%) Google
1 8 (72.73%) Splunk
2 7 (63.64%) Altova
2 7 (63.64%) ILOG
2 7 (63.64%) Oracle
3 2 (18.18%) Red Hat
4 1 (9.09%) Perforce
4 1 (9.09%) Solace
4 1 (9.09%) VMware