Period
to 23 November 2017

The following table provides summary statistics for contract job vacancies advertised in London 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
England > London
6 months to
23 Nov 2017
Same period 2016 Same period 2015
Rank 611 592 566
Rank change year-on-year -19 -26 -25
Contract jobs citing Varnish 24 27 63
As % of all contract IT jobs advertised in London 0.051% 0.060% 0.14%
As % of the System Software category 0.41% 0.49% 1.41%
Number of daily rates quoted 22 18 46
London median daily rate £425 £400 £425
Median daily rate % change year-on-year +6.25% -5.88% +6.25%
10th Percentile £367 £375 £348
90th Percentile £538 £529 £531
England median daily rate £425 £400 £450
% change year-on-year +6.25% -11.11% +12.50%
Number of hourly rates quoted 0 0 0
London median hourly rate - - -
England 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 advertised in London with a requirement for system software skills.

All System Software Skills
London
Contract vacancies with a requirement for system software skills 5807 5521 4478
As % of all contract IT jobs advertised in London 12.33% 12.22% 9.61%
Number of daily rates quoted 4164 3806 3027
London median daily rate £488 £450 £413
Median daily rate % change year-on-year +8.33% +9.09% +10.00%
10th Percentile £185 £193 £175
90th Percentile £638 £613 £600
England median daily rate £425 £410 £375
% change year-on-year +3.66% +9.33% +8.70%
Number of hourly rates quoted 145 145 210
London median hourly rate £21.25 £16.50 £16.50
Median hourly rate % change year-on-year +28.79% - +10.00%
10th Percentile £12.50 £12.10 £10.75
90th Percentile £52.30 £50.00 £34.30
England median hourly rate £16.50 £16.00 £16.00
% change year-on-year +3.13% - +6.67%

Varnish
Job Vacancy Trend in London

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

Job vacancy trend for Varnish in London

Varnish
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Varnish in London

Varnish
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Varnish in London over the 6 months to 23 November 2017.

Contractor daily rate histogram for Varnish in London

Varnish
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Varnish within the London region 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
Central London +3 4 £450 -5.26% 1
East London - 4 £423 -
Varnish
England

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 across the London region with a requirement for Varnish.

1 17 (70.83%) Web Services
1 17 (70.83%) Python
2 16 (66.67%) Linux
2 16 (66.67%) Amazon AWS
3 13 (54.17%) Git (software)
3 13 (54.17%) DevOps
3 13 (54.17%) AWS CloudFormation
4 10 (41.67%) JavaScript
4 10 (41.67%) Agile Software Development
4 10 (41.67%) Continuous Integration
5 9 (37.50%) Java
5 9 (37.50%) React
5 9 (37.50%) Ansible
5 9 (37.50%) Bash Shell
5 9 (37.50%) Puppet
6 8 (33.33%) Apache
7 7 (29.17%) C++
7 7 (29.17%) HTTP
7 7 (29.17%) TCP/IP
7 7 (29.17%) DNS
7 7 (29.17%) SSL
7 7 (29.17%) Configuration Management
7 7 (29.17%) Load Balancing
7 7 (29.17%) Jenkins
7 7 (29.17%) Infrastructure Management
7 7 (29.17%) Kafka
7 7 (29.17%) Redis
7 7 (29.17%) Splunk
7 7 (29.17%) RabbitMQ
7 7 (29.17%) ZeroMQ

Varnish
Co-occurring IT Skills in 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 8 (33.33%) Apache
2 6 (25.00%) CMS
3 5 (20.83%) nginx
4 3 (12.50%) Elasticsearch
5 2 (8.33%) Drupal
5 2 (8.33%) Tomcat
Cloud Services
1 16 (66.67%) Amazon AWS
2 13 (54.17%) AWS CloudFormation
3 7 (29.17%) Amazon CloudWatch
3 7 (29.17%) Fastly
Communications & Networking
1 7 (29.17%) DNS
1 7 (29.17%) HTTP
1 7 (29.17%) SSL
1 7 (29.17%) TCP/IP
2 2 (8.33%) SSH
Database & Business Intelligence
1 7 (29.17%) Redis
2 5 (20.83%) MySQL
3 2 (8.33%) Oracle Database
3 2 (8.33%) Oracle Database 11g
Development Applications
1 13 (54.17%) Git (software)
2 7 (29.17%) Grunt
2 7 (29.17%) gulp
2 7 (29.17%) Jenkins
3 2 (8.33%) git-flow
3 2 (8.33%) JIRA
3 2 (8.33%) JUnit
3 2 (8.33%) Maven
3 2 (8.33%) Mocha
3 2 (8.33%) Selenium
3 2 (8.33%) Vagrant
General
1 6 (25.00%) Publishing
2 4 (16.67%) Finance
3 3 (12.50%) Banking
3 3 (12.50%) Investment Banking
Job Titles
1 13 (54.17%) Developer
2 8 (33.33%) DevOps Engineer
3 6 (25.00%) Full Stack Developer
4 3 (12.50%) Analyst
4 3 (12.50%) Applications Support
4 3 (12.50%) Applications Support Analyst
4 3 (12.50%) AWS DevOps
4 3 (12.50%) AWS DevOps Engineer
4 3 (12.50%) AWS Engineer
4 3 (12.50%) Java Developer
4 3 (12.50%) JavaScript Developer
4 3 (12.50%) SQL Analyst
4 3 (12.50%) SQL Support Analyst
4 3 (12.50%) Support Analyst
5 2 (8.33%) Drupal Developer
5 2 (8.33%) Lead Developer
5 2 (8.33%) Lead Java Developer
5 2 (8.33%) Senior Developer
5 2 (8.33%) Senior Java Developer
5 2 (8.33%) Technical Leader
Libraries, Frameworks & Software Standards
1 17 (70.83%) Web Services
2 9 (37.50%) React
3 7 (29.17%) Flask
3 7 (29.17%) Kafka
3 7 (29.17%) RabbitMQ
3 7 (29.17%) Redux
3 7 (29.17%) ZeroMQ
4 5 (20.83%) CSS
4 5 (20.83%) HTML
4 5 (20.83%) Node.js
5 4 (16.67%) jQuery
5 4 (16.67%) REST
6 2 (8.33%) AngularJS
6 2 (8.33%) Backbone.js
6 2 (8.33%) CSS3
6 2 (8.33%) HTML5
6 2 (8.33%) KnockoutJS
6 2 (8.33%) LESS
6 2 (8.33%) RESTful
6 2 (8.33%) Sass
Miscellaneous
1 6 (25.00%) Algorithms
1 6 (25.00%) Data Structures
2 3 (12.50%) Fixed Income
3 2 (8.33%) Linux Command Line
4 1 (4.17%) Digital Media
Operating Systems
1 16 (66.67%) Linux
2 3 (12.50%) Unix
Processes & Methodologies
1 13 (54.17%) DevOps
2 10 (41.67%) Agile Software Development
2 10 (41.67%) Continuous Integration
3 7 (29.17%) Configuration Management
3 7 (29.17%) Continuous Delivery
3 7 (29.17%) Infrastructure Management
3 7 (29.17%) Load Balancing
4 6 (25.00%) Build Automation
4 6 (25.00%) Content Management
4 6 (25.00%) Machine Learning
5 5 (20.83%) Front End Development
6 3 (12.50%) Functional Testing
6 3 (12.50%) ITIL
6 3 (12.50%) Problem Management
6 3 (12.50%) TDD
7 2 (8.33%) E-Commerce
7 2 (8.33%) MVC
7 2 (8.33%) OOP
7 2 (8.33%) Performance Testing
7 2 (8.33%) Web Application Development
Programming Languages
1 17 (70.83%) Python
2 10 (41.67%) JavaScript
3 9 (37.50%) Bash Shell
3 9 (37.50%) Java
4 7 (29.17%) C++
4 7 (29.17%) ES6
4 7 (29.17%) Go
5 5 (20.83%) SQL
6 2 (8.33%) PHP
6 2 (8.33%) Scala
System Software
1 6 (25.00%) Apache ZooKeeper
1 6 (25.00%) etcd
2 2 (8.33%) Docker
Systems Management
1 9 (37.50%) Ansible
1 9 (37.50%) Puppet
2 6 (25.00%) Consul
2 6 (25.00%) Terraform
3 3 (12.50%) ITRS Geneos
4 2 (8.33%) Opscode Chef
Vendors
1 7 (29.17%) Splunk
2 5 (20.83%) Oracle