The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for HAProxy skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited HAProxy over the 3 months to 24 March 2017 with a comparison to the same period in the previous 2 years.

3 months to
24 Mar 2017
Same period 2016 Same period 2015
HAProxy
London / City of London
Rank 216 262 312
Rank change year-on-year +46 +50  
Permanent jobs citing HAProxy 2 7 7
As % of all permanent IT jobs advertised in the City of London 0.039% 0.099% 0.069%
As % of the Systems Management category 0.42% 1.02% 0.83%
Number of salaries quoted 2 7 7
Median salary £55,000 £67,500 £62,500
Median salary % change year-on-year -18.51% +8.00%  
UK excluding London median salary £50,000 £57,500 £47,500
% change year-on-year -13.04% +21.05%  

HAProxy is in the systems management 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 systems management skills.

Systems Management Skills
City of London
Permanent job vacancies with a requirement for systems management skills 479 684 846
As % of all permanent IT job vacancies advertised in the City of London 9.44% 9.67% 8.32%
Number of salaries quoted 431 601 696
Median salary £62,500 £60,000 £55,000
Median salary % change year-on-year +4.16% +9.09%  
90% offered a salary of more than £40,000 £40,000 £37,500
10% offered a salary of more than £89,750 £70,000 £82,500
UK excluding London median salary £47,500 £43,500 £42,500
% change year-on-year +9.19% +2.35%  

HAProxy
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing HAProxy as a proportion of all permanent or contract IT jobs with a match in the Systems Management category.

Job vacancy trend for HAProxy in the City of London

HAProxy
Salary Trend in the City of London

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

Salary trend for HAProxy in the City of London

HAProxy
Top 30 Related IT Skills in the City of London

For the 6 months to 24 March 2017, IT jobs citing HAProxy 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 City of London region with a requirement for HAProxy.

1 4 (100.00%) Python
1 4 (100.00%) Linux
1 4 (100.00%) LAMP
1 4 (100.00%) nginx
1 4 (100.00%) Bash Shell
1 4 (100.00%) Ansible
1 4 (100.00%) DevOps
2 2 (50.00%) Heroku
2 2 (50.00%) Microsoft Azure
2 2 (50.00%) Amazon AWS
2 2 (50.00%) Open Source
2 2 (50.00%) SaltStack
2 2 (50.00%) Coaching
2 2 (50.00%) Microservices
2 2 (50.00%) Datadog
2 2 (50.00%) Bluemix
2 2 (50.00%) Fintech
2 2 (50.00%) Elastic Stack
2 2 (50.00%) LEMP Stack
2 2 (50.00%) Travis CI
2 2 (50.00%) GoCD
2 2 (50.00%) IBM Cloud
2 2 (50.00%) New Relic
2 2 (50.00%) Debian
2 2 (50.00%) Information Security
2 2 (50.00%) Apache
2 2 (50.00%) PHP
2 2 (50.00%) MySQL
2 2 (50.00%) LDAP
2 2 (50.00%) Kerberos

HAProxy
Top Related IT Skills in the City of 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 4 (100.00%) nginx
2 2 (50.00%) Apache
2 2 (50.00%) OpenStack
Cloud Services
1 2 (50.00%) Amazon AWS
1 2 (50.00%) Bluemix
1 2 (50.00%) Datadog
1 2 (50.00%) Heroku
1 2 (50.00%) IBM Cloud
1 2 (50.00%) Microsoft Azure
Communications & Networking
1 2 (50.00%) Kerberos
1 2 (50.00%) LDAP
Database & Business Intelligence
1 2 (50.00%) MySQL
Development Applications
1 2 (50.00%) Git (software)
1 2 (50.00%) GoCD
1 2 (50.00%) Jenkins
1 2 (50.00%) Travis CI
Job Titles
1 3 (75.00%) DevOps Engineer
2 1 (25.00%) Administrator
2 1 (25.00%) Linux Administrator
2 1 (25.00%) Linux Systems Administrator
2 1 (25.00%) Systems Administrator
Libraries, Frameworks & Software Standards
1 4 (100.00%) LAMP
2 2 (50.00%) Elastic Stack
2 2 (50.00%) LEMP Stack
2 2 (50.00%) Node.js
2 2 (50.00%) RabbitMQ
2 2 (50.00%) Sphinx
2 2 (50.00%) WebSockets
Miscellaneous
1 2 (50.00%) Fintech
1 2 (50.00%) Foreign Exchange (FX)
2 1 (25.00%) Enterprise Software
2 1 (25.00%) Hedge funds
2 1 (25.00%) Xbox
Operating Systems
1 4 (100.00%) Linux
2 2 (50.00%) Debian
2 2 (50.00%) Ubuntu
Processes & Methodologies
1 4 (100.00%) DevOps
2 2 (50.00%) Agile Software Development
2 2 (50.00%) Coaching
2 2 (50.00%) Configuration Management
2 2 (50.00%) Continuous Integration
2 2 (50.00%) Disaster Recovery
2 2 (50.00%) Information Security
2 2 (50.00%) Microservices
2 2 (50.00%) Open Source
2 2 (50.00%) Test Automation
3 1 (25.00%) Migration
Programming Languages
1 4 (100.00%) Bash Shell
1 4 (100.00%) Python
2 2 (50.00%) PHP
2 2 (50.00%) Shell Script
System Software
1 2 (50.00%) NFS
Systems Management
1 4 (100.00%) Ansible
2 2 (50.00%) Nagios
2 2 (50.00%) Puppet
Vendors
1 2 (50.00%) New Relic
1 2 (50.00%) SaltStack