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 26 June 2017 with a comparison to the same period in the previous 2 years.

HAProxy
London / City of London
3 months to
26 Jun 2017
Same period 2016 Same period 2015
Rank 226 251 306
Rank change year-on-year +25 +55  
Permanent jobs citing HAProxy 8 9 6
As % of all permanent IT jobs advertised in the City of London 0.15% 0.14% 0.058%
As % of the Systems Management category 1.47% 1.26% 0.75%
Number of salaries quoted 8 9 5
Median salary £65,000 £55,000 £52,500
Median salary % change year-on-year +18.18% +4.76%  
UK excluding London median salary £47,500 £47,500 £45,000
% change year-on-year - +5.55%  

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 544 717 799
As % of all permanent IT job vacancies advertised in the City of London 10.39% 11.40% 7.73%
Number of salaries quoted 488 645 720
Median salary £60,000 £60,000 £57,500
Median salary % change year-on-year - +4.34%  
90% offered a salary of more than £38,300 £40,000 £42,500
10% offered a salary of more than £82,500 £75,000 £75,000
UK excluding London median salary £46,000 £45,000 £44,750
% change year-on-year +2.22% +0.55%  

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

For the 6 months to 26 June 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 9 (90.00%) PHP
1 9 (90.00%) MySQL
1 9 (90.00%) Linux
1 9 (90.00%) Apache
1 9 (90.00%) Python
1 9 (90.00%) Bash Shell
1 9 (90.00%) nginx
1 9 (90.00%) Ansible
1 9 (90.00%) DevOps
1 9 (90.00%) LEMP Stack
2 8 (80.00%) Docker
2 8 (80.00%) Go
2 8 (80.00%) Redis
2 8 (80.00%) Ruby
3 7 (70.00%) Red Hat
3 7 (70.00%) E-Commerce
3 7 (70.00%) SQL
3 7 (70.00%) Java
3 7 (70.00%) Google
3 7 (70.00%) Load Testing
3 7 (70.00%) Firewall
3 7 (70.00%) InterSystems Cache
3 7 (70.00%) CentOS
3 7 (70.00%) Varnish
3 7 (70.00%) Puppet
3 7 (70.00%) Rackspace Cloud
3 7 (70.00%) Rackspace
3 7 (70.00%) Amazon AWS
3 7 (70.00%) NoSQL
3 7 (70.00%) High Availability

HAProxy
Co-occurring 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 9 (90.00%) Apache
1 9 (90.00%) nginx
2 1 (10.00%) Elasticsearch
Cloud Services
1 7 (70.00%) Amazon AWS
1 7 (70.00%) Google Cloud Platform
1 7 (70.00%) Rackspace Cloud
2 1 (10.00%) GitHub
Communications & Networking
1 7 (70.00%) Firewall
2 2 (20.00%) Kerberos
2 2 (20.00%) LDAP
Database & Business Intelligence
1 9 (90.00%) MySQL
2 8 (80.00%) Redis
3 7 (70.00%) InterSystems Cache
3 7 (70.00%) NoSQL
4 1 (10.00%) Apache Cassandra
Development Applications
1 7 (70.00%) Jenkins
2 1 (10.00%) CircleCI
2 1 (10.00%) Grunt
Job Titles
1 8 (80.00%) Administrator
1 8 (80.00%) DevOps Engineer
1 8 (80.00%) Systems Administrator
2 7 (70.00%) DevOps Administrator
2 7 (70.00%) DevOps Systems Engineer
2 7 (70.00%) Systems Engineer
3 1 (10.00%) Developer
3 1 (10.00%) Linux Administrator
3 1 (10.00%) Linux Systems Administrator
Libraries, Frameworks & Software Standards
1 9 (90.00%) LEMP Stack
2 2 (20.00%) LAMP
3 1 (10.00%) Backbone.js
3 1 (10.00%) Elastic Stack
3 1 (10.00%) Ext JS
Miscellaneous
1 2 (20.00%) Fintech
1 2 (20.00%) Foreign Exchange (FX)
Operating Systems
1 9 (90.00%) Linux
2 7 (70.00%) CentOS
Processes & Methodologies
1 9 (90.00%) DevOps
2 7 (70.00%) E-Commerce
2 7 (70.00%) High Availability
2 7 (70.00%) Load Testing
3 2 (20.00%) Disaster Recovery
Programming Languages
1 9 (90.00%) Bash Shell
1 9 (90.00%) PHP
1 9 (90.00%) Python
2 8 (80.00%) Go
2 8 (80.00%) Ruby
3 7 (70.00%) Java
3 7 (70.00%) SQL
4 1 (10.00%) Perl
System Software
1 8 (80.00%) Docker
2 7 (70.00%) Varnish
3 2 (20.00%) NFS
Systems Management
1 9 (90.00%) Ansible
2 7 (70.00%) Puppet
3 2 (20.00%) Nagios
4 1 (10.00%) Grafana
4 1 (10.00%) Kibana
4 1 (10.00%) logstash
4 1 (10.00%) Marathon
4 1 (10.00%) Mesos
4 1 (10.00%) Terraform
Vendors
1 7 (70.00%) Google
1 7 (70.00%) Rackspace
1 7 (70.00%) Red Hat