Period
to 18 October 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 18 October 2018 with a comparison to the same period in the previous 2 years.

Varnish
England > London
6 months to
18 Oct 2018
Same period 2017 Same period 2016
Rank 774 762 742
Rank change year-on-year -12 -20 -109
Permanent jobs citing Varnish 34 83 125
As % of all permanent IT jobs advertised in London 0.050% 0.11% 0.16%
As % of the System Software category 0.32% 0.83% 1.31%
Number of salaries quoted 21 69 111
London median annual salary £60,000 £62,500 £57,500
Median salary % change year-on-year -4.00% +8.70% +15.00%
10th Percentile £46,250 £45,000 £37,500
90th Percentile £80,000 £75,500 £68,750
England median annual salary £60,000 £57,500 £55,000
% change year-on-year +4.35% +4.55% +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 10,640 9,945 9,566
As % of all permanent IT jobs advertised in London 15.68% 13.38% 12.39%
Number of salaries quoted 8,933 8,451 8,299
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 £28,500 £27,000
90th Percentile £91,000 £85,000 £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 18 October 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 18 October 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 -23 10 £52,500 -19.23%
West London +14 4 £50,000 - 1
Varnish
England

For the 6 months to 18 October 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 25 (73.53%) Elasticsearch
2 23 (67.65%) Docker
3 20 (58.82%) MySQL
3 20 (58.82%) nginx
4 17 (50.00%) Jenkins
5 16 (47.06%) Agile Software Development
5 16 (47.06%) JavaScript
5 16 (47.06%) Linux
6 15 (44.12%) Ansible
7 14 (41.18%) DevOps
7 14 (41.18%) Python
8 12 (35.29%) Apache
8 12 (35.29%) Amazon AWS
8 12 (35.29%) Vagrant
9 11 (32.35%) Apache Solr
10 10 (29.41%) Drupal
10 10 (29.41%) CMS
10 10 (29.41%) GitHub
11 9 (26.47%) REST
11 9 (26.47%) Kubernetes
11 9 (26.47%) PHP
11 9 (26.47%) Selenium
11 9 (26.47%) Open Source
12 8 (23.53%) Cucumber
12 8 (23.53%) Git (software)
12 8 (23.53%) Django
12 8 (23.53%) Software Engineering
12 8 (23.53%) Redis
13 7 (20.59%) Puppet
13 7 (20.59%) React

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 25 (73.53%) Elasticsearch
2 20 (58.82%) nginx
3 12 (35.29%) Apache
4 11 (32.35%) Apache Solr
5 10 (29.41%) CMS
5 10 (29.41%) Drupal
6 5 (14.71%) Adobe Experience Manager
7 4 (11.76%) uWSGI
8 3 (8.82%) Amazon Alexa
9 1 (2.94%) Cloud Foundry
9 1 (2.94%) CloudStack
9 1 (2.94%) EPiServer
9 1 (2.94%) IIS
9 1 (2.94%) OpenStack
9 1 (2.94%) Sitecore CMS
9 1 (2.94%) WordPress
Applications
1 3 (8.82%) Snapchat
2 1 (2.94%) Adobe Illustrator
2 1 (2.94%) Photoshop
Business Applications
1 3 (8.82%) Payment Gateway
Cloud Services
1 12 (35.29%) Amazon AWS
2 10 (29.41%) GitHub
3 6 (17.65%) Akamai
3 6 (17.65%) Amazon CloudWatch
3 6 (17.65%) Amazon EC2
4 5 (14.71%) Amazon ELB
4 5 (14.71%) Amazon S3
4 5 (14.71%) BlazeMeter
4 5 (14.71%) CloudFront
5 4 (11.76%) Google Cloud Platform
6 2 (5.88%) Microsoft Azure
6 2 (5.88%) npm
7 1 (2.94%) Amazon ElastiCache
7 1 (2.94%) Amazon Kinesis
7 1 (2.94%) AWS Elastic Beanstalk
7 1 (2.94%) AWS Lambda
7 1 (2.94%) Route 53
7 1 (2.94%) Serverless
7 1 (2.94%) Trello
7 1 (2.94%) Virtual Private Cloud
Communications & Networking
1 4 (11.76%) HTTP
2 2 (5.88%) tcpdump
3 1 (2.94%) Firewall
Database & Business Intelligence
1 20 (58.82%) MySQL
2 8 (23.53%) Redis
3 5 (14.71%) MariaDB
3 5 (14.71%) PostgreSQL
4 3 (8.82%) Data Warehouse
4 3 (8.82%) NoSQL
5 2 (5.88%) Amazon DynamoDB
5 2 (5.88%) MongoDB
6 1 (2.94%) Apache Cassandra
6 1 (2.94%) Hadoop
6 1 (2.94%) InterSystems Cache
6 1 (2.94%) SQL Server
Development Applications
1 17 (50.00%) Jenkins
2 12 (35.29%) Vagrant
3 9 (26.47%) Selenium
4 8 (23.53%) Cucumber
4 8 (23.53%) Git (software)
5 6 (17.65%) Bitbucket
5 6 (17.65%) Travis CI
6 5 (14.71%) JMeter
6 5 (14.71%) Maven
7 4 (11.76%) Atlassian Bamboo
8 3 (8.82%) git-flow
8 3 (8.82%) JIRA
9 2 (5.88%) Bower
9 2 (5.88%) Grunt
9 2 (5.88%) gulp
9 2 (5.88%) JUnit
9 2 (5.88%) Octopus Deploy
10 1 (2.94%) SonarQube
10 1 (2.94%) Team Foundation Server
10 1 (2.94%) Visual Studio Team System
General
1 2 (5.88%) Finance
1 2 (5.88%) Marketing
1 2 (5.88%) Retail
2 1 (2.94%) Electronics
2 1 (2.94%) Legal
2 1 (2.94%) Manufacturing
2 1 (2.94%) Telecoms
Job Titles
1 12 (35.29%) Developer
2 7 (20.59%) Drupal Developer
3 6 (17.65%) Software Engineer
4 5 (14.71%) DevOps Engineer
4 5 (14.71%) Senior Developer
5 4 (11.76%) HTML CSS Developer
5 4 (11.76%) HTML Developer
5 4 (11.76%) JavaScript Developer
6 3 (8.82%) Java Engineer
6 3 (8.82%) Java Software Engineer
6 3 (8.82%) Linux Engineer
6 3 (8.82%) Linux Systems Engineer
6 3 (8.82%) Sales Engineer
6 3 (8.82%) Senior Drupal Developer
6 3 (8.82%) Systems Engineer
7 2 (5.88%) Linux Systems Administrator
7 2 (5.88%) PHP Developer
7 2 (5.88%) Principal Engineer
7 2 (5.88%) Senior PHP Developer
7 2 (5.88%) Systems Administrator
Libraries, Frameworks & Software Standards
1 9 (26.47%) REST
2 8 (23.53%) Django
3 7 (20.59%) LEMP Stack
3 7 (20.59%) React
3 7 (20.59%) Web Services
4 6 (17.65%) AngularJS
4 6 (17.65%) RESTful
4 6 (17.65%) Symfony
4 6 (17.65%) VCL
5 5 (14.71%) Lucene
5 5 (14.71%) OSGi
5 5 (14.71%) Swagger
6 4 (11.76%) CSS
6 4 (11.76%) HTML
6 4 (11.76%) LAMP
6 4 (11.76%) Node.js
6 4 (11.76%) SOAP
7 3 (8.82%) CSS3
7 3 (8.82%) HTML5
7 3 (8.82%) Memcached
Miscellaneous
1 4 (11.76%) Video\Live Streaming
2 3 (8.82%) Digital Media
3 1 (2.94%) Blog
3 1 (2.94%) Private Cloud
Operating Systems
1 16 (47.06%) Linux
2 2 (5.88%) Windows
3 1 (2.94%) CentOS
Processes & Methodologies
1 16 (47.06%) Agile Software Development
2 14 (41.18%) DevOps
3 9 (26.47%) Open Source
4 8 (23.53%) Software Engineering
5 7 (20.59%) Continuous Integration
5 7 (20.59%) Deployment Automation
5 7 (20.59%) Scrum
6 5 (14.71%) BDD
6 5 (14.71%) Load Testing
6 5 (14.71%) Migration
6 5 (14.71%) TDD
7 4 (11.76%) Microservices
7 4 (11.76%) Server Virtualisation
7 4 (11.76%) Test Automation
8 3 (8.82%) ETL
8 3 (8.82%) SEO
8 3 (8.82%) Systems Analysis
8 3 (8.82%) Unit Testing
8 3 (8.82%) Workflow
9 2 (5.88%) Configuration Management
Programming Languages
1 16 (47.06%) JavaScript
2 14 (41.18%) Python
3 9 (26.47%) PHP
4 6 (17.65%) Bash Shell
4 6 (17.65%) Ruby
5 5 (14.71%) Java
6 4 (11.76%) SQL
7 3 (8.82%) Go
7 3 (8.82%) Perl
8 2 (5.88%) Java 8
8 2 (5.88%) Shell Script
9 1 (2.94%) PowerShell
Qualifications
1 2 (5.88%) Degree
Quality Assurance & Compliance
1 1 (2.94%) Data Quality
System Software
1 23 (67.65%) Docker
2 5 (14.71%) Virtual Machines
3 4 (11.76%) KVM
3 4 (11.76%) QEMU
3 4 (11.76%) Xen
Systems Management
1 15 (44.12%) Ansible
2 9 (26.47%) Kubernetes
3 7 (20.59%) Puppet
4 6 (17.65%) HAProxy
5 4 (11.76%) Terraform
6 2 (5.88%) Grafana
7 1 (2.94%) Consul
7 1 (2.94%) Graphite
7 1 (2.94%) Opscode Chef
7 1 (2.94%) Packer
Vendors
1 7 (20.59%) Google
2 6 (17.65%) New Relic
3 5 (14.71%) Adobe
3 5 (14.71%) PagerDuty
4 4 (11.76%) SAP
5 3 (8.82%) Apple
5 3 (8.82%) Facebook
5 3 (8.82%) PayPal
6 1 (2.94%) Cadence
6 1 (2.94%) CenturyLink
6 1 (2.94%) IBM
6 1 (2.94%) Microsoft
6 1 (2.94%) Oracle
6 1 (2.94%) Qubit
6 1 (2.94%) Rackspace
6 1 (2.94%) Sitecore