Period
to 15 August 2018

The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for Varnish skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Varnish over the 6 months to 15 August 2018 with a comparison to the same period in the previous 2 years.

Varnish
England > London
6 months to
15 Aug 2018
Same period 2017 Same period 2016
Rank 790 762 712
Rank change year-on-year -28 -50 -69
Permanent jobs citing Varnish 27 98 154
As % of all permanent IT jobs advertised in London 0.039% 0.13% 0.19%
As % of the System Software category 0.25% 1.01% 1.51%
Number of salaries quoted 21 77 140
London median annual salary £65,000 £62,500 £60,000
Median salary % change year-on-year +4.00% +4.17% +20.00%
10th Percentile £42,500 £41,700 £37,500
90th Percentile £85,000 £76,000 £71,250
England median annual salary £55,000 £60,000 £55,000
% change year-on-year -8.33% +9.09% +10.00%

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

All System Software Skills
London
Permanent vacancies with a requirement for system software skills 10,686 9,719 10,215
As % of all permanent IT jobs advertised in London 15.41% 13.13% 12.59%
Number of salaries quoted 8,892 8,293 8,964
London median annual salary £60,000 £55,000 £50,000
Median salary % change year-on-year +9.09% +10.00% +9.89%
10th Percentile £28,750 £28,000 £26,250
90th Percentile £90,000 £83,750 £80,000
England median annual salary £50,000 £45,000 £42,500
% change year-on-year +11.11% +5.88% +6.25%

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
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Varnish in London.

Salary trend for Varnish in London

Varnish
Salary Histogram in London

The salary distribution of IT jobs citing Varnish in London over the 6 months to 15 August 2018.

Salary histogram for Varnish in London

Varnish
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Varnish within the London region over the 6 months to 15 August 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London -26 7 £61,250 -5.77% 5
West London +26 4 £50,000 -16.67%
Varnish
England

For the 6 months to 15 August 2018, IT 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 permanent job ads across the London region with a requirement for Varnish.

1 21 (77.78%) Elasticsearch
2 17 (62.96%) Docker
3 15 (55.56%) Agile Software Development
4 14 (51.85%) MySQL
4 14 (51.85%) Redis
5 12 (44.44%) Jenkins
5 12 (44.44%) Python
5 12 (44.44%) Git (software)
5 12 (44.44%) Amazon AWS
6 11 (40.74%) nginx
7 10 (37.04%) Linux
7 10 (37.04%) Software Engineering
8 9 (33.33%) Apache
8 9 (33.33%) PHP
8 9 (33.33%) Puppet
8 9 (33.33%) Selenium
8 9 (33.33%) Continuous Integration
8 9 (33.33%) DevOps
8 9 (33.33%) Kubernetes
9 8 (29.63%) Cucumber
9 8 (29.63%) Amazon EC2
9 8 (29.63%) JavaScript
10 7 (25.93%) PostgreSQL
10 7 (25.93%) Apache Solr
10 7 (25.93%) Ansible
10 7 (25.93%) MariaDB
10 7 (25.93%) HAProxy
11 6 (22.22%) New Relic
11 6 (22.22%) Amazon CloudWatch
11 6 (22.22%) LEMP Stack

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 21 (77.78%) Elasticsearch
2 11 (40.74%) nginx
3 9 (33.33%) Apache
4 7 (25.93%) Apache Solr
5 6 (22.22%) CMS
5 6 (22.22%) Drupal
6 5 (18.52%) Adobe Experience Manager
7 3 (11.11%) Amazon Alexa
7 3 (11.11%) Cloud Foundry
7 3 (11.11%) CloudStack
7 3 (11.11%) EPiServer
7 3 (11.11%) IIS
7 3 (11.11%) OpenStack
7 3 (11.11%) Sitecore CMS
7 3 (11.11%) uWSGI
7 3 (11.11%) WordPress
Applications
1 1 (3.70%) Adobe Illustrator
1 1 (3.70%) Photoshop
Business Applications
1 3 (11.11%) Payment Gateway
Cloud Services
1 12 (44.44%) Amazon AWS
2 8 (29.63%) Amazon EC2
3 6 (22.22%) Akamai
3 6 (22.22%) Amazon CloudWatch
4 5 (18.52%) Amazon ELB
4 5 (18.52%) Amazon S3
4 5 (18.52%) BlazeMeter
4 5 (18.52%) CloudFront
5 3 (11.11%) GitHub
5 3 (11.11%) Google Cloud Platform
5 3 (11.11%) Microsoft Azure
5 3 (11.11%) Virtual Private Cloud
6 2 (7.41%) AWS OpsWorks
6 2 (7.41%) npm
7 1 (3.70%) AWS Elastic Beanstalk
7 1 (3.70%) AWS Lambda
7 1 (3.70%) Fastly
7 1 (3.70%) Route 53
7 1 (3.70%) Serverless
7 1 (3.70%) Slack
Communications & Networking
1 4 (14.81%) HTTP
2 2 (7.41%) tcpdump
3 1 (3.70%) Firewall
Database & Business Intelligence
1 14 (51.85%) MySQL
1 14 (51.85%) Redis
2 7 (25.93%) MariaDB
2 7 (25.93%) PostgreSQL
3 5 (18.52%) NoSQL
4 3 (11.11%) Apache Cassandra
4 3 (11.11%) Hadoop
4 3 (11.11%) MongoDB
4 3 (11.11%) SQL Server
5 2 (7.41%) Amazon DynamoDB
5 2 (7.41%) Amazon RDS
5 2 (7.41%) Neo4j
5 2 (7.41%) Relational Database
6 1 (3.70%) InterSystems Cache
Development Applications
1 12 (44.44%) Git (software)
1 12 (44.44%) Jenkins
2 9 (33.33%) Selenium
3 8 (29.63%) Cucumber
4 6 (22.22%) Atlassian Bamboo
5 5 (18.52%) JMeter
5 5 (18.52%) Maven
6 4 (14.81%) Vagrant
7 3 (11.11%) git-flow
7 3 (11.11%) Octopus Deploy
7 3 (11.11%) Team Foundation Server
7 3 (11.11%) Visual Studio Team System
8 2 (7.41%) Bower
8 2 (7.41%) Grunt
8 2 (7.41%) gulp
8 2 (7.41%) JUnit
9 1 (3.70%) Ant
9 1 (3.70%) JIRA
9 1 (3.70%) SonarQube
General
1 3 (11.11%) Retail
2 2 (7.41%) Publishing
3 1 (3.70%) Finance
3 1 (3.70%) Legal
3 1 (3.70%) Marketing
Job Titles
1 8 (29.63%) Developer
2 6 (22.22%) DevOps Engineer
2 6 (22.22%) Software Engineer
3 4 (14.81%) HTML CSS Developer
3 4 (14.81%) HTML Developer
3 4 (14.81%) JavaScript Developer
3 4 (14.81%) Linux Engineer
4 3 (11.11%) AWS DevOps
4 3 (11.11%) AWS DevOps Engineer
4 3 (11.11%) AWS Engineer
4 3 (11.11%) Cloud Engineer
4 3 (11.11%) Drupal Developer
4 3 (11.11%) Java Engineer
4 3 (11.11%) Java Software Engineer
4 3 (11.11%) Kubernetes Engineer
5 2 (7.41%) Linux DevOps Engineer
5 2 (7.41%) Linux Systems Engineer
5 2 (7.41%) Linux/Unix DevOps
5 2 (7.41%) Principal Engineer
5 2 (7.41%) Systems Administration Leader
Libraries, Frameworks & Software Standards
1 6 (22.22%) LEMP Stack
1 6 (22.22%) RESTful
2 5 (18.52%) Django
2 5 (18.52%) Lucene
2 5 (18.52%) OSGi
2 5 (18.52%) REST
2 5 (18.52%) Swagger
3 4 (14.81%) CSS
3 4 (14.81%) HTML
3 4 (14.81%) Node.js
3 4 (14.81%) RabbitMQ
3 4 (14.81%) Symfony
3 4 (14.81%) VCL
4 3 (11.11%) .NET
4 3 (11.11%) CSS3
4 3 (11.11%) HTML5
4 3 (11.11%) LAMP
4 3 (11.11%) LAPP Stack
4 3 (11.11%) Memcached
4 3 (11.11%) Web Services
Miscellaneous
1 3 (11.11%) Digital Media
1 3 (11.11%) Private Cloud
1 3 (11.11%) Video\Live Streaming
2 1 (3.70%) Blog
Operating Systems
1 10 (37.04%) Linux
2 3 (11.11%) Windows
3 1 (3.70%) CentOS
Processes & Methodologies
1 15 (55.56%) Agile Software Development
2 10 (37.04%) Software Engineering
3 9 (33.33%) Continuous Integration
3 9 (33.33%) DevOps
4 5 (18.52%) BDD
4 5 (18.52%) Load Testing
4 5 (18.52%) Migration
4 5 (18.52%) TDD
4 5 (18.52%) Unit Testing
5 4 (14.81%) Configuration Management
5 4 (14.81%) E-Commerce
5 4 (14.81%) Microservices
5 4 (14.81%) OO
5 4 (14.81%) OO PHP
5 4 (14.81%) Test Automation
6 3 (11.11%) Business Transformation
6 3 (11.11%) Open Source
6 3 (11.11%) SEO
6 3 (11.11%) Server Management
6 3 (11.11%) Server Virtualisation
Programming Languages
1 12 (44.44%) Python
2 9 (33.33%) PHP
3 8 (29.63%) JavaScript
4 6 (22.22%) Ruby
5 5 (18.52%) Bash Shell
5 5 (18.52%) Java
6 4 (14.81%) SQL
7 3 (11.11%) PowerShell
8 2 (7.41%) Go
8 2 (7.41%) Java 8
8 2 (7.41%) Shell Script
9 1 (3.70%) Perl
Qualifications
1 2 (7.41%) Degree
Quality Assurance & Compliance
1 3 (11.11%) GCP
System Software
1 17 (62.96%) Docker
2 4 (14.81%) Virtual Machines
3 3 (11.11%) KVM
3 3 (11.11%) QEMU
3 3 (11.11%) Xen
Systems Management
1 9 (33.33%) Kubernetes
1 9 (33.33%) Puppet
2 7 (25.93%) Ansible
2 7 (25.93%) HAProxy
3 5 (18.52%) Opscode Chef
3 5 (18.52%) Terraform
4 2 (7.41%) Grafana
5 1 (3.70%) Consul
5 1 (3.70%) Graphite
5 1 (3.70%) Packer
Vendors
1 6 (22.22%) New Relic
2 5 (18.52%) Adobe
2 5 (18.52%) PagerDuty
3 3 (11.11%) Apple
3 3 (11.11%) CenturyLink
3 3 (11.11%) Facebook
3 3 (11.11%) Google
3 3 (11.11%) IBM
3 3 (11.11%) Oracle
3 3 (11.11%) PayPal
3 3 (11.11%) SAP
3 3 (11.11%) Sitecore
4 1 (3.70%) Cadence
4 1 (3.70%) Qubit