Period
to 19 December 2018

The following table provides summary statistics for contract job vacancies with a requirement for Varnish skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Varnish over the 6 months to 19 December 2018 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.

Varnish
UK
6 months to
19 Dec 2018
Same period 2017 Same period 2016
Rank 879 869 850
Rank change year-on-year -10 -19 -37
Contract jobs citing Varnish 16 26 33
As % of all contract IT jobs advertised in the UK 0.015% 0.025% 0.032%
As % of the System Software category 0.10% 0.20% 0.26%
Number of daily rates quoted 14 23 21
UK median daily rate £533 £425 £400
Median daily rate % change year-on-year +25.29% +6.25% -11.11%
10th Percentile £400 £365 £315
90th Percentile £575 £538 £488
UK excluding London median daily rate £400 £456 £413
% change year-on-year -12.33% +10.61% -13.16%
Number of hourly rates quoted 0 0 0
UK median hourly rate - - -
UK excluding London median hourly rate - - -

Varnish is in the System Software category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies with a requirement for system software skills.

All System Software Skills
UK
Contract vacancies with a requirement for system software skills 15,991 13,052 12,623
As % of all contract IT jobs advertised in the UK 15.28% 12.65% 12.32%
Number of daily rates quoted 10,493 8,483 7,887
UK median daily rate £450 £425 £402
Median daily rate % change year-on-year +5.88% +5.85% +7.07%
10th Percentile £178 £158 £168
90th Percentile £625 £613 £588
UK excluding London median daily rate £410 £375 £350
% change year-on-year +9.33% +7.14% +4.48%
Number of hourly rates quoted 879 703 863
UK median hourly rate £16.00 £16.50 £15.50
Median hourly rate % change year-on-year -3.03% +6.45% -
10th Percentile £10.56 £10.40 £10.50
90th Percentile £44.50 £46.65 £43.28
UK excluding London median hourly rate £15.85 £15.00 £15.00
% change year-on-year +5.67% - -3.23%

Varnish
Job Vacancy Trend

Job postings citing Varnish as a percentage of all IT jobs advertised.

Job vacancy trend for Varnish in the UK

Varnish
Contractor Daily Rate Trend

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Varnish.

Contractor daily rate trend for Varnish in the UK

Varnish
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing Varnish over the 6 months to 19 December 2018.

Contractor daily rate histogram for Varnish in the UK

Varnish
Contractor Hourly Rate Trend

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Varnish.

Contractor hourly rate trend for Varnish in the UK

Varnish
Top 7 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Varnish within the UK over the 6 months to 19 December 2018. 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England -14 14 £533 +25.29% 12
London -25 9 £550 +29.41% 7
UK excluding London +3 7 £400 -12.33% 5
South East -13 3 £400 -21.95% 3
North of England -24 2 £525 +31.25% 1
Yorkshire - 2 £525 -
Scotland - 2 £438 -

For the 6 months to 19 December 2018, IT contractor jobs citing Varnish also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads with a requirement for Varnish.

1 11 (68.75%) Redis
2 10 (62.50%) Linux
3 9 (56.25%) Docker
3 9 (56.25%) DevOps
4 8 (50.00%) nginx
4 8 (50.00%) Amazon AWS
5 7 (43.75%) Bash Shell
6 6 (37.50%) Git (software)
6 6 (37.50%) CentOS
6 6 (37.50%) Jenkins
7 5 (31.25%) Kubernetes
7 5 (31.25%) Test Automation
7 5 (31.25%) Puppet
7 5 (31.25%) RabbitMQ
7 5 (31.25%) Apache
7 5 (31.25%) Java
7 5 (31.25%) Python
8 4 (25.00%) Configuration Management
8 4 (25.00%) Node.js
8 4 (25.00%) High Availability
8 4 (25.00%) Akamai
8 4 (25.00%) TeamCity
8 4 (25.00%) Agile Software Development
8 4 (25.00%) AWS Elastic Beanstalk
8 4 (25.00%) New Relic
8 4 (25.00%) Consul
8 4 (25.00%) Elastic Stack
8 4 (25.00%) Terraform
9 3 (18.75%) Grafana
9 3 (18.75%) LAPP Stack

Varnish
Co-occurring IT Skills 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 8 (50.00%) nginx
2 5 (31.25%) Apache
3 3 (18.75%) lighttpd
4 1 (6.25%) Tomcat
Business Applications
1 1 (6.25%) Magento
Cloud Services
1 8 (50.00%) Amazon AWS
2 4 (25.00%) Akamai
2 4 (25.00%) AWS Elastic Beanstalk
3 3 (18.75%) GitHub
3 3 (18.75%) Slack
3 3 (18.75%) Trello
4 1 (6.25%) AWS CloudFormation
4 1 (6.25%) AWS CodePipeline
Communications & Networking
1 1 (6.25%) Asterisk PBX
1 1 (6.25%) DNS
1 1 (6.25%) HTTPS
1 1 (6.25%) SSL
Database & Business Intelligence
1 11 (68.75%) Redis
2 3 (18.75%) PostgreSQL
3 1 (6.25%) MySQL
3 1 (6.25%) Relational Database
Development Applications
1 6 (37.50%) Git (software)
1 6 (37.50%) Jenkins
2 4 (25.00%) TeamCity
3 3 (18.75%) Grunt
3 3 (18.75%) gulp
3 3 (18.75%) Vagrant
4 1 (6.25%) Ant
4 1 (6.25%) webpack
General
1 1 (6.25%) Marketing
Job Titles
1 8 (50.00%) DevOps Engineer
2 3 (18.75%) Administrator
2 3 (18.75%) Developer
2 3 (18.75%) Linux Administrator
2 3 (18.75%) Linux Systems Administrator
2 3 (18.75%) Platform Engineer
2 3 (18.75%) Systems Administrator
2 3 (18.75%) Unix Administrator
2 3 (18.75%) Unix Linux Systems Administrator
2 3 (18.75%) Unix Systems Administrator
3 2 (12.50%) Full Stack Developer
3 2 (12.50%) Python Developer
4 1 (6.25%) AWS Engineer
4 1 (6.25%) Implementation Specialist
4 1 (6.25%) Infrastructure Engineer
4 1 (6.25%) Java Developer
4 1 (6.25%) JavaScript Developer
4 1 (6.25%) Magento Developer
4 1 (6.25%) React Developer
4 1 (6.25%) Web Server Administrator
Libraries, Frameworks & Software Standards
1 5 (31.25%) RabbitMQ
2 4 (25.00%) Elastic Stack
2 4 (25.00%) Node.js
3 3 (18.75%) LAPP Stack
3 3 (18.75%) LDAP
3 3 (18.75%) Sensu
4 2 (12.50%) Flask
4 2 (12.50%) Redux
5 1 (6.25%) CSS
5 1 (6.25%) jQuery
5 1 (6.25%) Kafka
5 1 (6.25%) LESS
5 1 (6.25%) Memcached
5 1 (6.25%) React
5 1 (6.25%) Sass
5 1 (6.25%) VCL
5 1 (6.25%) Web Services
5 1 (6.25%) ZeroMQ
Miscellaneous
1 2 (12.50%) Blog
2 1 (6.25%) Algorithms
2 1 (6.25%) Data Structures
2 1 (6.25%) Greenfield Project
2 1 (6.25%) Self-Motivation
Operating Systems
1 10 (62.50%) Linux
2 6 (37.50%) CentOS
3 3 (18.75%) FreeBSD
3 3 (18.75%) Unix
4 1 (6.25%) Red Hat Enterprise Linux
Processes & Methodologies
1 9 (56.25%) DevOps
2 5 (31.25%) Test Automation
3 4 (25.00%) Agile Software Development
3 4 (25.00%) Configuration Management
3 4 (25.00%) High Availability
4 3 (18.75%) Continuous Integration
4 3 (18.75%) Disaster Recovery
4 3 (18.75%) Microservices
4 3 (18.75%) Open Source
5 1 (6.25%) Build Automation
5 1 (6.25%) Deployment Automation
5 1 (6.25%) ERP
5 1 (6.25%) Infrastructure Engineering
5 1 (6.25%) Kaizen
5 1 (6.25%) Machine Learning
5 1 (6.25%) Penetration Testing
5 1 (6.25%) Server Management
Programming Languages
1 7 (43.75%) Bash Shell
2 5 (31.25%) Java
2 5 (31.25%) Python
3 3 (18.75%) JavaScript
3 3 (18.75%) Perl
3 3 (18.75%) Ruby
4 2 (12.50%) C++
4 2 (12.50%) ES6
5 1 (6.25%) PHP
5 1 (6.25%) Shell Script
System Software
1 9 (56.25%) Docker
2 3 (18.75%) Postfix
3 1 (6.25%) Apache ZooKeeper
3 1 (6.25%) etcd
Systems Management
1 5 (31.25%) Kubernetes
1 5 (31.25%) Puppet
2 4 (25.00%) Consul
2 4 (25.00%) Terraform
3 3 (18.75%) Cacti
3 3 (18.75%) Grafana
3 3 (18.75%) Graphite
3 3 (18.75%) HAProxy
3 3 (18.75%) Nagios
3 3 (18.75%) Packer
4 2 (12.50%) Ansible
Vendors
1 4 (25.00%) New Relic
2 2 (12.50%) Juniper
3 1 (6.25%) Red Hat