Period
to 23 November 2017

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 23 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.

Varnish
UK
6 months to
23 Nov 2017
Same period 2016 Same period 2015
Rank 860 852 805
Rank change year-on-year -8 -47 +4
Contract jobs citing Varnish 27 39 90
As % of all contract IT jobs advertised in the UK 0.026% 0.037% 0.079%
As % of the System Software category 0.21% 0.30% 0.78%
Number of daily rates quoted 25 26 69
UK median daily rate £425 £400 £450
Median daily rate % change year-on-year +6.25% -11.11% +12.50%
10th Percentile £368 £375 £325
90th Percentile £538 £506 £575
UK excluding London median daily rate £513 £425 £475
% change year-on-year +20.59% -10.53% +35.71%
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 13000 12984 11597
As % of all contract IT jobs advertised in the UK 12.61% 12.33% 10.20%
Number of daily rates quoted 8435 8137 6604
UK median daily rate £425 £400 £370
Median daily rate % change year-on-year +6.25% +8.11% +9.63%
10th Percentile £156 £170 £158
90th Percentile £613 £575 £550
UK excluding London median daily rate £375 £350 £335
% change year-on-year +7.14% +4.48% +4.69%
Number of hourly rates quoted 728 885 1246
UK median hourly rate £16.50 £16.00 £16.00
Median hourly rate % change year-on-year +3.13% - +6.67%
10th Percentile £10.40 £10.50 £10.07
90th Percentile £47.08 £42.00 £38.75
UK excluding London median hourly rate £15.00 £15.00 £16.00
% change year-on-year - -6.25% +6.58%

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 23 November 2017.

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 6 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 23 November 2017. 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 +4 27 £425 +6.25% 5
London -19 24 £425 +6.25% 3
UK excluding London +27 3 £513 +20.59% 3
South East - 2 £513 - 1
North of England +55 1 £400 -5.88% 1
North West +21 1 £400 - 1

For the 6 months to 23 November 2017, IT contractor jobs citing Varnish also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads with a requirement for Varnish.

1 17 (62.96%) Web Services
1 17 (62.96%) Python
2 16 (59.26%) Linux
2 16 (59.26%) Git (software)
2 16 (59.26%) Amazon AWS
3 13 (48.15%) DevOps
3 13 (48.15%) AWS CloudFormation
4 12 (44.44%) Java
4 12 (44.44%) Agile Software Development
5 10 (37.04%) JavaScript
5 10 (37.04%) RabbitMQ
5 10 (37.04%) Continuous Integration
6 9 (33.33%) Bash Shell
6 9 (33.33%) Puppet
6 9 (33.33%) Ansible
6 9 (33.33%) React
7 8 (29.63%) Terraform
7 8 (29.63%) Consul
7 8 (29.63%) Redis
7 8 (29.63%) Apache
8 7 (25.93%) HTTP
8 7 (25.93%) TCP/IP
8 7 (25.93%) DNS
8 7 (25.93%) SSL
8 7 (25.93%) Configuration Management
8 7 (25.93%) C++
8 7 (25.93%) Load Balancing
8 7 (25.93%) Splunk
8 7 (25.93%) Jenkins
8 7 (25.93%) Infrastructure Management

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 (29.63%) Apache
2 6 (22.22%) CMS
3 5 (18.52%) nginx
4 3 (11.11%) Elasticsearch
5 2 (7.41%) Confluence
5 2 (7.41%) Drupal
5 2 (7.41%) Tomcat
Cloud Services
1 16 (59.26%) Amazon AWS
2 13 (48.15%) AWS CloudFormation
3 7 (25.93%) Amazon CloudWatch
3 7 (25.93%) Fastly
Communications & Networking
1 7 (25.93%) DNS
1 7 (25.93%) HTTP
1 7 (25.93%) SSL
1 7 (25.93%) TCP/IP
2 2 (7.41%) SSH
Database & Business Intelligence
1 8 (29.63%) Redis
2 6 (22.22%) MySQL
3 2 (7.41%) Oracle Database
3 2 (7.41%) Oracle Database 11g
4 1 (3.70%) PostgreSQL
4 1 (3.70%) Relational Database
Development Applications
1 16 (59.26%) Git (software)
2 7 (25.93%) Grunt
2 7 (25.93%) gulp
2 7 (25.93%) Jenkins
3 5 (18.52%) JIRA
4 4 (14.81%) JUnit
4 4 (14.81%) Maven
5 2 (7.41%) Bitbucket
5 2 (7.41%) Checkstyle
5 2 (7.41%) Cobertura
5 2 (7.41%) FindBugs
5 2 (7.41%) git-flow
5 2 (7.41%) Gradle
5 2 (7.41%) Mercurial
5 2 (7.41%) Mocha
5 2 (7.41%) Mockito
5 2 (7.41%) Selenium
5 2 (7.41%) Subversion
5 2 (7.41%) TestNG
5 2 (7.41%) Vagrant
General
1 6 (22.22%) Finance
1 6 (22.22%) Publishing
2 3 (11.11%) Banking
2 3 (11.11%) Investment Banking
Job Titles
1 16 (59.26%) Developer
2 8 (29.63%) DevOps Engineer
3 6 (22.22%) Full Stack Developer
3 6 (22.22%) Java Developer
4 3 (11.11%) Analyst
4 3 (11.11%) Applications Support
4 3 (11.11%) Applications Support Analyst
4 3 (11.11%) AWS DevOps
4 3 (11.11%) AWS DevOps Engineer
4 3 (11.11%) AWS Engineer
4 3 (11.11%) JavaScript Developer
4 3 (11.11%) SQL Analyst
4 3 (11.11%) SQL Support Analyst
4 3 (11.11%) Support Analyst
5 2 (7.41%) Lead Developer
5 2 (7.41%) Lead Java Developer
5 2 (7.41%) Node.js Developer
5 2 (7.41%) Senior Developer
5 2 (7.41%) Technical Developer
5 2 (7.41%) Technical Leader
Libraries, Frameworks & Software Standards
1 17 (62.96%) Web Services
2 10 (37.04%) RabbitMQ
3 9 (33.33%) React
4 7 (25.93%) Flask
4 7 (25.93%) Kafka
4 7 (25.93%) Redux
4 7 (25.93%) ZeroMQ
5 5 (18.52%) CSS
5 5 (18.52%) HTML
5 5 (18.52%) Node.js
5 5 (18.52%) Spring
6 4 (14.81%) jQuery
6 4 (14.81%) REST
6 4 (14.81%) Spring Boot
7 3 (11.11%) Hibernate
8 2 (7.41%) ActiveMQ
8 2 (7.41%) JSON
8 2 (7.41%) JSTL
8 2 (7.41%) LAMP
8 2 (7.41%) Spring Security
Miscellaneous
1 6 (22.22%) Algorithms
1 6 (22.22%) Data Structures
2 3 (11.11%) Fixed Income
3 2 (7.41%) Linux Command Line
4 1 (3.70%) Digital Media
Operating Systems
1 16 (59.26%) Linux
2 3 (11.11%) Unix
Processes & Methodologies
1 13 (48.15%) DevOps
2 12 (44.44%) Agile Software Development
3 10 (37.04%) Continuous Integration
4 7 (25.93%) Configuration Management
4 7 (25.93%) Continuous Delivery
4 7 (25.93%) Infrastructure Management
4 7 (25.93%) Load Balancing
5 6 (22.22%) Build Automation
5 6 (22.22%) Content Management
5 6 (22.22%) Machine Learning
5 6 (22.22%) TDD
6 5 (18.52%) Front End Development
7 3 (11.11%) BDD
7 3 (11.11%) Functional Testing
7 3 (11.11%) ITIL
7 3 (11.11%) OOP
7 3 (11.11%) Problem Management
7 3 (11.11%) Unit Testing
8 2 (7.41%) E-Commerce
8 2 (7.41%) MVC
Programming Languages
1 17 (62.96%) Python
2 12 (44.44%) Java
3 10 (37.04%) JavaScript
4 9 (33.33%) Bash Shell
5 7 (25.93%) C++
5 7 (25.93%) ES6
5 7 (25.93%) Go
6 5 (18.52%) SQL
7 2 (7.41%) PHP
7 2 (7.41%) Scala
System Software
1 6 (22.22%) Apache ZooKeeper
1 6 (22.22%) etcd
2 2 (7.41%) Docker
Systems Management
1 9 (33.33%) Ansible
1 9 (33.33%) Puppet
2 8 (29.63%) Consul
2 8 (29.63%) Terraform
3 3 (11.11%) ITRS Geneos
4 2 (7.41%) Opscode Chef
4 2 (7.41%) Prometheus
Vendors
1 7 (25.93%) Splunk
2 5 (18.52%) Oracle