Period
to 24 February 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 24 February 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
24 Feb 2018
Same period 2017 Same period 2016
Rank 853 829 835
Rank change year-on-year -24 +6 -72
Contract jobs citing Varnish 25 26 64
As % of all contract IT jobs advertised in the UK 0.025% 0.027% 0.059%
As % of the System Software category 0.20% 0.22% 0.59%
Number of daily rates quoted 20 20 54
UK median daily rate £475 £400 £425
Median daily rate % change year-on-year +18.75% -5.88% -
10th Percentile £404 £315 £315
90th Percentile £650 £491 £510
UK excluding London median daily rate £475 £373 £475
% change year-on-year +27.52% -21.58% +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 12,787 11,640 10,927
As % of all contract IT jobs advertised in the UK 12.70% 12.14% 10.11%
Number of daily rates quoted 8,351 7,268 6,406
UK median daily rate £450 £404 £375
Median daily rate % change year-on-year +11.46% +7.67% +7.14%
10th Percentile £163 £163 £158
90th Percentile £625 £588 £550
UK excluding London median daily rate £388 £350 £345
% change year-on-year +10.71% +1.45% +2.99%
Number of hourly rates quoted 697 838 1,102
UK median hourly rate £16.00 £16.00 £15.00
Median hourly rate % change year-on-year - +6.67% -3.23%
10th Percentile £10.50 £10.28 £10.00
90th Percentile £46.10 £44.33 £40.00
UK excluding London median hourly rate £15.00 £15.00 £15.25
% change year-on-year - -1.64% +1.67%

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 24 February 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 24 February 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 -28 25 £475 +18.75% 11
London -21 19 £475 +18.75% 3
UK excluding London +7 6 £475 +27.52% 10
North of England +23 5 £475 +18.75% 6
Yorkshire - 4 £613 - 1
South West +14 1 - -
North West +7 1 £400 - 5

For the 6 months to 24 February 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 18 (72.00%) Linux
2 17 (68.00%) Redis
3 16 (64.00%) Java
4 15 (60.00%) Python
5 14 (56.00%) JavaScript
6 13 (52.00%) DevOps
6 13 (52.00%) Amazon AWS
6 13 (52.00%) RabbitMQ
7 12 (48.00%) Continuous Integration
8 11 (44.00%) Git (software)
8 11 (44.00%) Kafka
8 11 (44.00%) C++
8 11 (44.00%) MySQL
8 11 (44.00%) Web Services
8 11 (44.00%) AWS CloudFormation
8 11 (44.00%) React
9 10 (40.00%) Jenkins
10 9 (36.00%) Flask
10 9 (36.00%) Grunt
10 9 (36.00%) nginx
10 9 (36.00%) Agile Software Development
10 9 (36.00%) gulp
10 9 (36.00%) ES6
10 9 (36.00%) Redux
11 8 (32.00%) Consul
11 8 (32.00%) Terraform
11 8 (32.00%) ZeroMQ
12 7 (28.00%) Machine Learning
12 7 (28.00%) Build Automation
12 7 (28.00%) Apache ZooKeeper

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 9 (36.00%) nginx
2 6 (24.00%) Apache
3 5 (20.00%) CMS
4 2 (8.00%) Apache Solr
4 2 (8.00%) Apache Spark
4 2 (8.00%) Tomcat
Business Applications
1 2 (8.00%) Magento
Cloud Services
1 13 (52.00%) Amazon AWS
2 11 (44.00%) AWS CloudFormation
3 4 (16.00%) Amazon CloudWatch
3 4 (16.00%) Fastly
4 2 (8.00%) Microsoft Azure
5 1 (4.00%) GitHub
5 1 (4.00%) Slack
5 1 (4.00%) Trello
Communications & Networking
1 6 (24.00%) DNS
1 6 (24.00%) SSL
1 6 (24.00%) TCP/IP
2 4 (16.00%) HTTP
3 3 (12.00%) AMQP
3 3 (12.00%) BIG-IP
4 2 (8.00%) SAN
Database & Business Intelligence
1 17 (68.00%) Redis
2 11 (44.00%) MySQL
3 5 (20.00%) NoSQL
4 3 (12.00%) Couchbase
4 3 (12.00%) MongoDB
5 2 (8.00%) Apache Hive
5 2 (8.00%) Hadoop
5 2 (8.00%) HBase
6 1 (4.00%) MariaDB
6 1 (4.00%) PostgreSQL
6 1 (4.00%) Relational Database
Development Applications
1 11 (44.00%) Git (software)
2 10 (40.00%) Jenkins
3 9 (36.00%) Grunt
3 9 (36.00%) gulp
4 3 (12.00%) JIRA
5 2 (8.00%) Mocha
6 1 (4.00%) Vagrant
General
1 3 (12.00%) Finance
1 3 (12.00%) Games
1 3 (12.00%) Publishing
Job Titles
1 14 (56.00%) Developer
2 8 (32.00%) DevOps Engineer
2 8 (32.00%) Full Stack Developer
3 4 (16.00%) JavaScript Developer
4 3 (12.00%) Architect
5 2 (8.00%) Java Developer
5 2 (8.00%) Magento Developer
5 2 (8.00%) MySQL Developer
5 2 (8.00%) Node.js Developer
5 2 (8.00%) PHP Developer
5 2 (8.00%) PHP Magento Developer
5 2 (8.00%) PHP MySQL Developer
5 2 (8.00%) Python Developer
5 2 (8.00%) Senior DevOps
5 2 (8.00%) Senior DevOps Engineer
5 2 (8.00%) Solutions Architect
6 1 (4.00%) AWS DevOps
6 1 (4.00%) AWS DevOps Engineer
6 1 (4.00%) DevOps Developer
6 1 (4.00%) React Developer
Libraries, Frameworks & Software Standards
1 13 (52.00%) RabbitMQ
2 11 (44.00%) Kafka
2 11 (44.00%) React
2 11 (44.00%) Web Services
3 9 (36.00%) Flask
3 9 (36.00%) Redux
4 8 (32.00%) ZeroMQ
5 5 (20.00%) HTML
5 5 (20.00%) REST
6 4 (16.00%) CSS
6 4 (16.00%) Node.js
7 3 (12.00%) LEMP Stack
8 2 (8.00%) LAMP
9 1 (4.00%) Ajax
9 1 (4.00%) Hibernate
9 1 (4.00%) jQuery
9 1 (4.00%) Memcached
9 1 (4.00%) RESTful
9 1 (4.00%) SOAP
9 1 (4.00%) Spring
Miscellaneous
1 7 (28.00%) Algorithms
1 7 (28.00%) Data Structures
2 2 (8.00%) Computer Science
2 2 (8.00%) Data Centre
3 1 (4.00%) Blog
3 1 (4.00%) Digital Media
3 1 (4.00%) Management Information System
3 1 (4.00%) User Experience
Operating Systems
1 18 (72.00%) Linux
2 3 (12.00%) Android
2 3 (12.00%) Apple iOS
3 2 (8.00%) Debian
3 2 (8.00%) Ubuntu
3 2 (8.00%) Unix
3 2 (8.00%) Windows
4 1 (4.00%) CentOS
Processes & Methodologies
1 13 (52.00%) DevOps
2 12 (48.00%) Continuous Integration
3 9 (36.00%) Agile Software Development
4 7 (28.00%) Build Automation
4 7 (28.00%) Configuration Management
4 7 (28.00%) Machine Learning
5 6 (24.00%) Load Balancing
6 4 (16.00%) Continuous Delivery
6 4 (16.00%) Infrastructure Management
6 4 (16.00%) Test Automation
7 3 (12.00%) BDD
7 3 (12.00%) Content Management
7 3 (12.00%) Front End Development
7 3 (12.00%) IT Strategy
7 3 (12.00%) Microservices
7 3 (12.00%) Open Source
7 3 (12.00%) SOA
8 2 (8.00%) High Availability
8 2 (8.00%) Incident Management
8 2 (8.00%) TDD
Programming Languages
1 16 (64.00%) Java
2 15 (60.00%) Python
3 14 (56.00%) JavaScript
4 11 (44.00%) C++
5 9 (36.00%) ES6
6 5 (20.00%) PHP
7 4 (16.00%) Bash Shell
7 4 (16.00%) Go
8 3 (12.00%) Ruby
8 3 (12.00%) SQL
9 2 (8.00%) Kotlin
9 2 (8.00%) Perl
Qualifications
1 2 (8.00%) Computer Science Degree
1 2 (8.00%) Degree
System Software
1 7 (28.00%) Apache ZooKeeper
1 7 (28.00%) etcd
2 2 (8.00%) Docker
2 2 (8.00%) iptables
Systems Management
1 8 (32.00%) Consul
1 8 (32.00%) Terraform
2 7 (28.00%) Puppet
3 4 (16.00%) Ansible
4 3 (12.00%) HAProxy
5 2 (8.00%) Kubernetes
5 2 (8.00%) Opscode Chef
6 1 (4.00%) Grafana
6 1 (4.00%) Graphite
6 1 (4.00%) Packer
Vendors
1 4 (16.00%) Splunk
2 3 (12.00%) F5
3 2 (8.00%) Microsoft
3 2 (8.00%) VMware
4 1 (4.00%) Salesforce.com