The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for HAProxy skills. Included is a benchmarking guide to the contractor rates 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.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

HAProxy
London / City of London
3 months to
26 Jun 2017
Same period 2016 Same period 2015
Rank 164 162 202
Rank change year-on-year -2 +40  
Contract jobs citing HAProxy 5 3 4
As % of all contract IT jobs advertised in the City of London 0.15% 0.090% 0.069%
As % of the Systems Management category 1.42% 0.74% 0.90%
Number of daily rates quoted 4 3 4
Median daily rate £575 £475 £404
Median daily rate % change year-on-year +21.05% +17.64%  
90% offered a daily rate of more than £550 £475 £360
10% offered a daily rate of more than £600 £475 £513
UK excluding London median daily rate £400 £588 £415
% change year-on-year -31.91% +41.56%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

HAProxy is in the systems management skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for systems management skills.

Systems Management Skills
City of London
Contract job vacancies with a requirement for systems management skills 352 408 443
As % of all contract IT job vacancies advertised in the City of London 10.61% 12.27% 7.63%
Number of daily rates quoted 288 337 339
Median daily rate £525 £475 £450
Median daily rate % change year-on-year +10.52% +5.55%  
90% offered a daily rate of more than £325 £325 £310
10% offered a daily rate of more than £625 £625 £600
UK excluding London median daily rate £447 £400 £380
% change year-on-year +11.62% +5.40%  
Number of hourly rates quoted 5 5 7
Median hourly rate £24.36 £19.00 £28.30
Median hourly rate % change year-on-year +28.21% -32.86%  
90% offered a hourly rate of more than £15.80 £19.00 £14.50
10% offered a hourly rate of more than £24.86 £22.00 £37.00
UK excluding London median hourly rate £17.50 £34.85 £20.19
% change year-on-year -49.78% +72.65%  

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 contract or permanent IT jobs with a match in the Systems Management category.

Job vacancy trend for HAProxy in the City of London

HAProxy
Contractor Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing HAProxy in the City of London.

Contractor daily rate trend for HAProxy in the City of London

For the 6 months to 26 June 2017, IT contractor jobs citing HAProxy also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the City of London region with a requirement for HAProxy.

1 8 (100.00%) MySQL
1 8 (100.00%) Python
2 7 (87.50%) Continuous Integration
3 6 (75.00%) Agile Software Development
3 6 (75.00%) Ruby
3 6 (75.00%) SQL Server
3 6 (75.00%) Bash Shell
3 6 (75.00%) Sensu
3 6 (75.00%) logstash
3 6 (75.00%) DevOps
4 5 (62.50%) Amazon AWS
4 5 (62.50%) Java
5 4 (50.00%) SQL
5 4 (50.00%) Linux
5 4 (50.00%) Apache
5 4 (50.00%) E-Commerce
5 4 (50.00%) Nagios
5 4 (50.00%) TDD
5 4 (50.00%) LAMP
5 4 (50.00%) nginx
5 4 (50.00%) PowerShell
5 4 (50.00%) C#
5 4 (50.00%) BDD
5 4 (50.00%) Puppet
5 4 (50.00%) Jenkins
5 4 (50.00%) Performance Tuning
5 4 (50.00%) Performance Monitoring
5 4 (50.00%) Ansible
5 4 (50.00%) Docker
5 4 (50.00%) Graphite

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 4 (50.00%) Apache
1 4 (50.00%) nginx
Cloud Services
1 5 (62.50%) Amazon AWS
2 2 (25.00%) AWS CloudFormation
2 2 (25.00%) GitHub
3 1 (12.50%) Microsoft Azure
Communications & Networking
1 2 (25.00%) DNS
1 2 (25.00%) Firewall
1 2 (25.00%) HTTP
1 2 (25.00%) SSL
1 2 (25.00%) TCP/IP
Database & Business Intelligence
1 8 (100.00%) MySQL
2 6 (75.00%) SQL Server
3 2 (25.00%) Amazon RDS
3 2 (25.00%) MongoDB
3 2 (25.00%) PostgreSQL
Development Applications
1 4 (50.00%) Jenkins
2 2 (25.00%) Artifactory
2 2 (25.00%) Atlassian Bamboo
2 2 (25.00%) Git (software)
2 2 (25.00%) Sonatype Nexus
2 2 (25.00%) Subversion
2 2 (25.00%) TeamCity
Job Titles
1 5 (62.50%) DevOps Engineer
2 3 (37.50%) Platform Engineer
2 3 (37.50%) Senior DevOps
2 3 (37.50%) Senior DevOps Engineer
3 2 (25.00%) Senior Platform Engineer
Libraries, Frameworks & Software Standards
1 6 (75.00%) Sensu
2 4 (50.00%) LAMP
2 4 (50.00%) LEMP Stack
3 2 (25.00%) Elastic Stack
3 2 (25.00%) LAPP Stack
3 2 (25.00%) Node.js
3 2 (25.00%) RabbitMQ
Miscellaneous
1 2 (25.00%) AS400
1 2 (25.00%) Clustering
1 2 (25.00%) iSeries
Operating Systems
1 4 (50.00%) Linux
2 1 (12.50%) Unix
Processes & Methodologies
1 7 (87.50%) Continuous Integration
2 6 (75.00%) Agile Software Development
2 6 (75.00%) DevOps
3 4 (50.00%) BDD
3 4 (50.00%) E-Commerce
3 4 (50.00%) Performance Monitoring
3 4 (50.00%) Performance Tuning
3 4 (50.00%) SOLID
3 4 (50.00%) TDD
4 2 (25.00%) Configuration Management
4 2 (25.00%) Digital Transformation Programme
4 2 (25.00%) Load Balancing
4 2 (25.00%) Microservices
4 2 (25.00%) Task Automation
5 1 (12.50%) Open Source
Programming Languages
1 8 (100.00%) Python
2 6 (75.00%) Bash Shell
2 6 (75.00%) Ruby
3 5 (62.50%) Java
4 4 (50.00%) C#
4 4 (50.00%) PowerShell
4 4 (50.00%) SQL
5 2 (25.00%) Scala
Qualifications
1 1 (12.50%) SC Cleared
1 1 (12.50%) Security Cleared
System Software
1 4 (50.00%) Docker
2 2 (25.00%) Corosync
2 2 (25.00%) vCloud
2 2 (25.00%) vSphere
Systems Management
1 6 (75.00%) logstash
2 4 (50.00%) Ansible
2 4 (50.00%) Graphite
2 4 (50.00%) Nagios
2 4 (50.00%) Puppet
3 2 (25.00%) Grafana
3 2 (25.00%) Kibana
3 2 (25.00%) Kubernetes
3 2 (25.00%) Pacemaker
3 2 (25.00%) Rundeck
3 2 (25.00%) Terraform
Vendors
1 2 (25.00%) Microsoft
1 2 (25.00%) Oracle
1 2 (25.00%) VMware