Period
to 18 November 2017

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 6 months to 18 November 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
Central London > City of London
6 months to
18 Nov 2017
Same period 2016 Same period 2015
Rank 245 243 269
Rank change year-on-year -2 +26 +35
Contract jobs citing HAProxy 4 4 4
As % of all contract IT jobs advertised in the City of London 0.056% 0.060% 0.043%
As % of the Systems Management category 0.52% 0.52% 0.46%
Number of daily rates quoted 4 4 4
City of London median daily rate £488 £513 £419
Median daily rate % change year-on-year -4.88% +22.39% -11.84%
10th Percentile £436 £418 £309
90th Percentile £525 £613 £536
Central London median daily rate £488 £488 £419
% change year-on-year - +16.42% -11.84%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

HAProxy is in the Systems Management category. The following 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.

All Systems Management Skills
City of London
Contract vacancies with a requirement for systems management skills 776 765 866
As % of all contract IT jobs advertised in the City of London 10.96% 11.40% 9.37%
Number of daily rates quoted 631 601 675
City of London median daily rate £525 £475 £438
Median daily rate % change year-on-year +10.53% +8.45% +3.06%
10th Percentile £325 £325 £285
90th Percentile £663 £631 £613
Central London median daily rate £500 £475 £450
% change year-on-year +5.26% +5.56% +5.88%
Number of hourly rates quoted 5 10 14
City of London median hourly rate £17.00 £27.50 £17.00
Median hourly rate % change year-on-year -38.18% +61.76% -5.56%
10th Percentile £15.70 £15.74 £11.19
90th Percentile £27.50 £66.38 £36.10
Central London median hourly rate £19.00 £27.50 £17.00
% change year-on-year -30.91% +61.76% -5.56%

HAProxy
Job Vacancy Trend in the City of London

Job postings citing HAProxy as a percentage of all IT jobs advertised in the City of London.

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 18 November 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 4 (100.00%) Linux
1 4 (100.00%) Amazon AWS
1 4 (100.00%) DevOps
2 3 (75.00%) Kibana
2 3 (75.00%) AWS CloudFormation
2 3 (75.00%) Artifactory
2 3 (75.00%) Jenkins
2 3 (75.00%) Git (software)
2 3 (75.00%) nginx
2 3 (75.00%) Bash Shell
2 3 (75.00%) Puppet
2 3 (75.00%) RabbitMQ
2 3 (75.00%) Apache
2 3 (75.00%) Python
2 3 (75.00%) HTTP
2 3 (75.00%) Configuration Management
2 3 (75.00%) Debian
2 3 (75.00%) Firewall
2 3 (75.00%) Agile Software Development
2 3 (75.00%) Ruby
2 3 (75.00%) Ansible
2 3 (75.00%) Elastic Stack
2 3 (75.00%) logstash
3 2 (50.00%) Packer
3 2 (50.00%) Threat Modelling
3 2 (50.00%) AWS CloudTrail
3 2 (50.00%) Grafana
3 2 (50.00%) Security Operations
3 2 (50.00%) LEMP Stack
3 2 (50.00%) Hystrix

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 3 (75.00%) Apache
1 3 (75.00%) nginx
2 2 (50.00%) Elasticsearch
2 2 (50.00%) Jetty
Cloud Services
1 4 (100.00%) Amazon AWS
2 3 (75.00%) AWS CloudFormation
3 2 (50.00%) Amazon CloudWatch
3 2 (50.00%) Amazon EC2
3 2 (50.00%) Amazon S3
3 2 (50.00%) Amazon SQS
3 2 (50.00%) AWS CloudTrail
3 2 (50.00%) GitHub
3 2 (50.00%) Route 53
3 2 (50.00%) Virtual Private Cloud
4 1 (25.00%) AWS Elastic Beanstalk
4 1 (25.00%) Google Cloud Platform
Communications & Networking
1 3 (75.00%) Firewall
1 3 (75.00%) HTTP
2 2 (50.00%) LDAP
2 2 (50.00%) Network Security
2 2 (50.00%) ZigBee
3 1 (25.00%) DNS
3 1 (25.00%) SSL
3 1 (25.00%) TCP/IP
Database & Business Intelligence
1 2 (50.00%) Amazon RDS
1 2 (50.00%) Apache Cassandra
1 2 (50.00%) Hazelcast
1 2 (50.00%) MongoDB
1 2 (50.00%) MySQL
1 2 (50.00%) PostgreSQL
2 1 (25.00%) SQL Server
Development Applications
1 3 (75.00%) Artifactory
1 3 (75.00%) Git (software)
1 3 (75.00%) Jenkins
2 2 (50.00%) JIRA
2 2 (50.00%) Maven
2 2 (50.00%) Subversion
2 2 (50.00%) TeamCity
2 2 (50.00%) Vagrant
3 1 (25.00%) Sonatype Nexus
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 3 (75.00%) Elastic Stack
1 3 (75.00%) RabbitMQ
2 2 (50.00%) Hystrix
2 2 (50.00%) LAMP
2 2 (50.00%) LEMP Stack
2 2 (50.00%) OAuth
2 2 (50.00%) Ruby on Rails
2 2 (50.00%) Spring
2 2 (50.00%) Web Services
3 1 (25.00%) LAPP Stack
Miscellaneous
1 2 (50.00%) Analytical Skills
1 2 (50.00%) Linux Command Line
2 1 (25.00%) Data Centre
Operating Systems
1 4 (100.00%) Linux
2 3 (75.00%) Debian
3 2 (50.00%) Ubuntu
3 2 (50.00%) Unix
Processes & Methodologies
1 4 (100.00%) DevOps
2 3 (75.00%) Agile Software Development
2 3 (75.00%) Configuration Management
3 2 (50.00%) Information Security
3 2 (50.00%) Open Source
3 2 (50.00%) Security Operations
3 2 (50.00%) Software Engineering
3 2 (50.00%) Threat Modelling
4 1 (25.00%) Load Balancing
4 1 (25.00%) Microservices
4 1 (25.00%) Performance Measurement
4 1 (25.00%) Task Automation
Programming Languages
1 3 (75.00%) Bash Shell
1 3 (75.00%) Python
1 3 (75.00%) Ruby
2 2 (50.00%) Java
Quality Assurance & Compliance
1 1 (25.00%) GCP
System Software
1 2 (50.00%) Apache ZooKeeper
1 2 (50.00%) Firmware
1 2 (50.00%) VirtualBox
2 1 (25.00%) Docker
2 1 (25.00%) PowerDNS
Systems Management
1 3 (75.00%) Ansible
1 3 (75.00%) Kibana
1 3 (75.00%) logstash
1 3 (75.00%) Puppet
2 2 (50.00%) Grafana
2 2 (50.00%) Nagios
2 2 (50.00%) Packer
3 1 (25.00%) Kubernetes
3 1 (25.00%) Terraform
Vendors
1 2 (50.00%) New Relic
2 1 (25.00%) Cisco
2 1 (25.00%) Dell
2 1 (25.00%) Juniper