Period
to 24 November 2017

The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for GCC skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited GCC over the 6 months to 24 November 2017 with a comparison to the same period in the previous 2 years.

GNU Compiler Collection (GCC)
England > London
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 775 838 906
Rank change year-on-year +63 +68 -30
Permanent jobs citing GCC 63 4 11
As % of all permanent IT jobs advertised in London 0.084% 0.005% 0.012%
As % of the Development Applications category 0.42% 0.027% 0.069%
Number of salaries quoted 13 4 10
London median annual salary £77,500 £105,000 £81,250
Median salary % change year-on-year -26.19% +29.23% +47.73%
10th Percentile £65,000 £97,500 £23,375
90th Percentile £84,250 £112,500 £113,250
England median annual salary £55,000 £47,500 £45,000
% change year-on-year +15.79% +5.56% -8.16%

GCC is in the Development Applications category. The following 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.

All Development Application Skills
London
Permanent vacancies with a requirement for development application skills 15174 14813 16002
As % of all permanent IT jobs advertised in London 20.22% 19.54% 17.95%
Number of salaries quoted 12121 12977 13558
London median annual salary £60,000 £57,500 £55,000
Median salary % change year-on-year +4.35% +4.55% +4.76%
10th Percentile £37,500 £35,250 £36,250
90th Percentile £85,000 £82,500 £78,750
England median annual salary £50,000 £47,500 £45,000
% change year-on-year +5.26% +5.56% -

GCC
Job Vacancy Trend in London

Job postings citing GCC as a percentage of all IT jobs advertised in London.

Job vacancy trend for GCC in London

GCC
Salary Trend in London

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

Salary trend for GCC in London

GCC
Salary Histogram in London

The salary distribution of IT jobs citing GCC in London over the 6 months to 24 November 2017.

Salary histogram for GCC in London

GCC
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing GCC within the London region over the 6 months to 24 November 2017. 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London +19 4 £70,000 -33.33% 1
GCC
England

For the 6 months to 24 November 2017, IT jobs citing GCC 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 GCC.

1 56 (88.89%) Linux
2 55 (87.30%) C++
3 52 (82.54%) Python
4 51 (80.95%) Java
5 49 (77.78%) Shell Script
5 49 (77.78%) Front Office
5 49 (77.78%) TeamCity
6 48 (76.19%) CORBA
6 48 (76.19%) SDLC
7 47 (74.60%) Linux Command Line
8 46 (73.02%) Apache
8 46 (73.02%) Swing
8 46 (73.02%) Tomcat
8 46 (73.02%) Foreign Exchange (FX)
8 46 (73.02%) Risk Management
8 46 (73.02%) Finance
8 46 (73.02%) Banking
8 46 (73.02%) Asset Management
8 46 (73.02%) Investment Banking
8 46 (73.02%) Wealth Management
8 46 (73.02%) Market Risk
8 46 (73.02%) Release Management
8 46 (73.02%) Exotic Derivative
8 46 (73.02%) Derivative
8 46 (73.02%) DataSynapse
8 46 (73.02%) Retail Banking
8 46 (73.02%) JIRA
8 46 (73.02%) Confluence
8 46 (73.02%) Analytical Skills
9 8 (12.70%) Windows

GCC
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 46 (73.02%) Apache
1 46 (73.02%) Confluence
1 46 (73.02%) DataSynapse
1 46 (73.02%) Tomcat
2 5 (7.94%) Traefik
3 2 (3.17%) CMS
3 2 (3.17%) Joomla!
Applications
1 3 (4.76%) Doxygen
1 3 (4.76%) Microsoft Excel
1 3 (4.76%) Spreadsheet
Cloud Services
1 6 (9.52%) Amazon AWS
2 1 (1.59%) Microsoft Azure
Communications & Networking
1 2 (3.17%) Unified Communications
Database & Business Intelligence
1 5 (7.94%) MongoDB
1 5 (7.94%) Neo4j
1 5 (7.94%) Relational Database
2 2 (3.17%) MySQL
Development Applications
1 49 (77.78%) TeamCity
2 46 (73.02%) JIRA
3 7 (11.11%) Jenkins
4 5 (7.94%) Git (software)
5 3 (4.76%) GDB
5 3 (4.76%) Subversion
5 3 (4.76%) Visual Studio
6 2 (3.17%) DbUnit
6 2 (3.17%) jMock
6 2 (3.17%) JUnit
6 2 (3.17%) Mockito
General
1 49 (77.78%) Front Office
2 46 (73.02%) Banking
2 46 (73.02%) Finance
2 46 (73.02%) Investment Banking
2 46 (73.02%) Retail Banking
3 1 (1.59%) Games
Job Titles
1 54 (85.71%) Developer
2 46 (73.02%) Senior Developer
3 5 (7.94%) DevOps Engineer
4 4 (6.35%) C++ Developer
4 4 (6.35%) C++ Software Developer
4 4 (6.35%) Senior DevOps
4 4 (6.35%) Senior DevOps Engineer
4 4 (6.35%) Software Developer
5 3 (4.76%) Quantitative Developer
6 2 (3.17%) Architect
6 2 (3.17%) Cisco Architect
6 2 (3.17%) Cisco Solutions Architect
6 2 (3.17%) Senior Software Engineer
6 2 (3.17%) Software Engineer
6 2 (3.17%) Solutions Architect
7 1 (1.59%) Java Software Engineer
7 1 (1.59%) Python Developer
7 1 (1.59%) Senior Java Software Engineer
7 1 (1.59%) Site Engineer
7 1 (1.59%) Systems Engineer
Libraries, Frameworks & Software Standards
1 48 (76.19%) CORBA
2 46 (73.02%) Swing
3 5 (7.94%) Kafka
3 5 (7.94%) RESTful
3 5 (7.94%) STL
3 5 (7.94%) XML
4 3 (4.76%) Boost C++ Libraries
5 2 (3.17%) Apache Wicket
5 2 (3.17%) CSS
5 2 (3.17%) CSS3
5 2 (3.17%) GWT
5 2 (3.17%) Hibernate
5 2 (3.17%) HTML
5 2 (3.17%) HTML5
5 2 (3.17%) J2EE
5 2 (3.17%) jQuery
5 2 (3.17%) Ruby on Rails
5 2 (3.17%) Spring
5 2 (3.17%) Spring MVC
5 2 (3.17%) XHTML
Miscellaneous
1 47 (74.60%) Linux Command Line
2 46 (73.02%) Analytical Skills
2 46 (73.02%) Derivative
2 46 (73.02%) Exotic Derivative
2 46 (73.02%) Foreign Exchange (FX)
2 46 (73.02%) Market Risk
3 5 (7.94%) Computer Science
4 4 (6.35%) Algorithms
5 2 (3.17%) Video Conferencing
6 1 (1.59%) Fintech
6 1 (1.59%) User Experience
Operating Systems
1 56 (88.89%) Linux
2 8 (12.70%) Windows
3 7 (11.11%) Unix
Processes & Methodologies
1 48 (76.19%) SDLC
2 46 (73.02%) Asset Management
2 46 (73.02%) Release Management
2 46 (73.02%) Risk Management
2 46 (73.02%) Wealth Management
3 7 (11.11%) Agile Software Development
3 7 (11.11%) Multithreading
3 7 (11.11%) Open Source
4 5 (7.94%) DevOps
4 5 (7.94%) High Availability
5 4 (6.35%) Continuous Deployment
5 4 (6.35%) Continuous Integration
5 4 (6.35%) Low Latency
5 4 (6.35%) Migration
5 4 (6.35%) Multithreaded Programming
6 3 (4.76%) Data Extraction
6 3 (4.76%) Mathematics
6 3 (4.76%) Physics
6 3 (4.76%) Test Automation
7 2 (3.17%) Software Engineering
Programming Languages
1 55 (87.30%) C++
2 52 (82.54%) Python
3 51 (80.95%) Java
4 49 (77.78%) Shell Script
5 5 (7.94%) Go
5 5 (7.94%) SQL
6 3 (4.76%) AWK
6 3 (4.76%) C
6 3 (4.76%) C#
6 3 (4.76%) MATLAB
6 3 (4.76%) Perl
6 3 (4.76%) PowerShell
6 3 (4.76%) sed
6 3 (4.76%) VBA
6 3 (4.76%) VBScript
7 2 (3.17%) JavaScript
7 2 (3.17%) PHP
7 2 (3.17%) Ruby
7 2 (3.17%) VC++
Qualifications
1 6 (9.52%) Degree
2 4 (6.35%) Numerate Degree
Quality Assurance & Compliance
1 2 (3.17%) QA
System Software
1 5 (7.94%) Ceph
1 5 (7.94%) Docker
1 5 (7.94%) etcd
1 5 (7.94%) iptables
Systems Management
1 5 (7.94%) Ansible
1 5 (7.94%) Grafana
1 5 (7.94%) Kubernetes
1 5 (7.94%) Prometheus
1 5 (7.94%) Terraform
Vendors
1 2 (3.17%) Cisco
1 2 (3.17%) Sun