Period
to 10 December 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 10 December 2018 with a comparison to the same period in the previous 2 years.

Varnish
England > London
6 months to
10 Dec 2018
Same period 2017 Same period 2016
Rank 736 812 697
Rank change year-on-year +76 -115 -43
Permanent jobs citing Varnish 45 58 143
As % of all permanent IT jobs advertised in London 0.068% 0.079% 0.19%
As % of the System Software category 0.42% 0.59% 1.60%
Number of salaries quoted 27 55 128
London median annual salary £60,000 £65,000 £57,500
Median salary % change year-on-year -7.69% +13.04% +15.00%
10th Percentile £45,500 £45,000 £35,875
90th Percentile £78,500 £87,500 £80,000
England median annual salary £65,000 £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 10,635 9,843 8,950
As % of all permanent IT jobs advertised in London 15.96% 13.33% 12.09%
Number of salaries quoted 8,912 8,344 7,692
London median annual salary £60,000 £55,000 £50,000
Median salary % change year-on-year +9.09% +10.00% +5.26%
10th Percentile £29,000 £28,500 £27,500
90th Percentile £91,250 £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 10 December 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 10 December 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 +11 13 £75,000 +11.11%
West London +12 1 £52,500 +5.00% 4
Varnish
England

For the 6 months to 10 December 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 32 (71.11%) Docker
2 29 (64.44%) Elasticsearch
2 29 (64.44%) MySQL
3 25 (55.56%) JavaScript
3 25 (55.56%) Python
3 25 (55.56%) nginx
4 23 (51.11%) Agile Software Development
4 23 (51.11%) Ansible
5 22 (48.89%) Jenkins
6 21 (46.67%) DevOps
6 21 (46.67%) Linux
7 19 (42.22%) Amazon AWS
8 17 (37.78%) Vagrant
8 17 (37.78%) Apache
9 16 (35.56%) Apache Solr
10 15 (33.33%) PHP
10 15 (33.33%) AngularJS
10 15 (33.33%) React
10 15 (33.33%) LEMP Stack
11 14 (31.11%) Drupal
12 12 (26.67%) CMS
12 12 (26.67%) LAMP
12 12 (26.67%) Kubernetes
12 12 (26.67%) REST
13 11 (24.44%) GitHub
13 11 (24.44%) Deployment Automation
13 11 (24.44%) Web Services
13 11 (24.44%) Java
13 11 (24.44%) Scrum
14 10 (22.22%) Open Source

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 29 (64.44%) Elasticsearch
2 25 (55.56%) nginx
3 17 (37.78%) Apache
4 16 (35.56%) Apache Solr
5 14 (31.11%) Drupal
6 12 (26.67%) CMS
7 4 (8.89%) Adobe Experience Manager
7 4 (8.89%) uWSGI
8 1 (2.22%) Confluence
8 1 (2.22%) WordPress
Applications
1 2 (4.44%) Snapchat
2 1 (2.22%) Adobe Illustrator
2 1 (2.22%) Photoshop
Business Applications
1 1 (2.22%) Magento
1 1 (2.22%) Payment Gateway
Cloud Services
1 19 (42.22%) Amazon AWS
2 11 (24.44%) GitHub
3 5 (11.11%) Akamai
3 5 (11.11%) Amazon CloudWatch
3 5 (11.11%) Amazon EC2
4 4 (8.89%) Amazon ELB
4 4 (8.89%) Amazon S3
4 4 (8.89%) BlazeMeter
4 4 (8.89%) CloudFront
4 4 (8.89%) Google Cloud Platform
5 2 (4.44%) Amazon Alexa
5 2 (4.44%) AWS Lambda
5 2 (4.44%) Microsoft Azure
5 2 (4.44%) npm
5 2 (4.44%) Serverless
6 1 (2.22%) Amazon Kinesis
6 1 (2.22%) AWS CloudFormation
6 1 (2.22%) AWS Elastic Beanstalk
6 1 (2.22%) Fastly
6 1 (2.22%) Virtual Private Cloud
Communications & Networking
1 4 (8.89%) HTTP
2 3 (6.67%) Intranet
3 2 (4.44%) Firewall
3 2 (4.44%) tcpdump
4 1 (2.22%) DNS
4 1 (2.22%) FTP
4 1 (2.22%) Internet
4 1 (2.22%) SMTP
4 1 (2.22%) SSL
4 1 (2.22%) TCP/IP
Database & Business Intelligence
1 29 (64.44%) MySQL
2 7 (15.56%) Redis
3 6 (13.33%) Data Warehouse
3 6 (13.33%) PostgreSQL
4 4 (8.89%) Apache Cassandra
5 3 (6.67%) MongoDB
5 3 (6.67%) NoSQL
6 2 (4.44%) Amazon DynamoDB
6 2 (4.44%) MariaDB
7 1 (2.22%) Amazon Aurora
7 1 (2.22%) Amazon RDS
7 1 (2.22%) InterSystems Cache
Development Applications
1 22 (48.89%) Jenkins
2 17 (37.78%) Vagrant
3 10 (22.22%) Travis CI
4 9 (20.00%) Git (software)
5 8 (17.78%) JIRA
6 7 (15.56%) Bitbucket
6 7 (15.56%) Cucumber
7 6 (13.33%) Selenium
8 5 (11.11%) Atlassian Bamboo
9 4 (8.89%) JMeter
9 4 (8.89%) Maven
10 2 (4.44%) Bower
10 2 (4.44%) git-flow
10 2 (4.44%) Grunt
10 2 (4.44%) gulp
10 2 (4.44%) JUnit
10 2 (4.44%) Octopus Deploy
10 2 (4.44%) TeamCity
11 1 (2.22%) SonarQube
General
1 3 (6.67%) Retail
2 2 (4.44%) Finance
2 2 (4.44%) Marketing
3 1 (2.22%) Electronics
3 1 (2.22%) Legal
3 1 (2.22%) Manufacturing
3 1 (2.22%) Telecoms
Job Titles
1 21 (46.67%) Developer
2 10 (22.22%) Senior Developer
3 9 (20.00%) DevOps Engineer
3 9 (20.00%) Drupal Developer
4 5 (11.11%) Software Engineer
5 4 (8.89%) Full Stack Developer
5 4 (8.89%) PHP Developer
5 4 (8.89%) Senior Full Stack Developer
6 3 (6.67%) Linux Engineer
6 3 (6.67%) Linux Systems Engineer
6 3 (6.67%) Sales Engineer
6 3 (6.67%) Senior Drupal Developer
6 3 (6.67%) Senior PHP Developer
6 3 (6.67%) Systems Engineer
7 2 (4.44%) Java Software Engineer
7 2 (4.44%) Linux Systems Administrator
7 2 (4.44%) Principal Engineer
7 2 (4.44%) Software Developer
7 2 (4.44%) Systems Administrator
7 2 (4.44%) Web Developer
Libraries, Frameworks & Software Standards
1 15 (33.33%) AngularJS
1 15 (33.33%) LEMP Stack
1 15 (33.33%) React
2 12 (26.67%) LAMP
2 12 (26.67%) REST
3 11 (24.44%) Web Services
4 9 (20.00%) CSS
4 9 (20.00%) HTML
5 8 (17.78%) Django
5 8 (17.78%) Node.js
5 8 (17.78%) SOAP
6 7 (15.56%) Symfony
7 6 (13.33%) RESTful
7 6 (13.33%) VCL
8 5 (11.11%) Flask
8 5 (11.11%) jQuery
9 4 (8.89%) Memcached
9 4 (8.89%) OSGi
9 4 (8.89%) Swagger
9 4 (8.89%) Twitter Bootstrap
Miscellaneous
1 4 (8.89%) Video\Live Streaming
2 2 (4.44%) Digital Media
3 1 (2.22%) Distributed Denial-of-Service
3 1 (2.22%) User Experience
Operating Systems
1 21 (46.67%) Linux
2 3 (6.67%) Windows
Processes & Methodologies
1 23 (51.11%) Agile Software Development
2 21 (46.67%) DevOps
3 11 (24.44%) Deployment Automation
3 11 (24.44%) Scrum
4 10 (22.22%) Open Source
5 8 (17.78%) Continuous Integration
5 8 (17.78%) TDD
6 7 (15.56%) Microservices
6 7 (15.56%) Project Management
6 7 (15.56%) Software Engineering
7 6 (13.33%) ETL
8 5 (11.11%) Pair Programming
8 5 (11.11%) Test Automation
9 4 (8.89%) BDD
9 4 (8.89%) Load Testing
9 4 (8.89%) Migration
9 4 (8.89%) Server Virtualisation
10 3 (6.67%) Front End Development
10 3 (6.67%) Systems Analysis
10 3 (6.67%) Workflow
Programming Languages
1 25 (55.56%) JavaScript
1 25 (55.56%) Python
2 15 (33.33%) PHP
3 11 (24.44%) Java
4 8 (17.78%) Ruby
5 7 (15.56%) Bash Shell
6 5 (11.11%) Go
7 4 (8.89%) C++
7 4 (8.89%) SQL
8 3 (6.67%) Perl
9 2 (4.44%) Java 8
9 2 (4.44%) Shell Script
Qualifications
1 3 (6.67%) Degree
2 1 (2.22%) Computer Science Degree
Quality Assurance & Compliance
1 4 (8.89%) Data Quality
System Software
1 32 (71.11%) Docker
2 4 (8.89%) KVM
2 4 (8.89%) QEMU
2 4 (8.89%) Xen
3 3 (6.67%) Virtual Machines
Systems Management
1 23 (51.11%) Ansible
2 12 (26.67%) Kubernetes
3 7 (15.56%) Puppet
4 4 (8.89%) HAProxy
4 4 (8.89%) Terraform
5 1 (2.22%) Grafana
5 1 (2.22%) Packer
Vendors
1 7 (15.56%) Google
2 6 (13.33%) New Relic
3 4 (8.89%) Adobe
3 4 (8.89%) PagerDuty
4 2 (4.44%) Apple
4 2 (4.44%) Facebook
4 2 (4.44%) Microsoft
4 2 (4.44%) Rackspace
4 2 (4.44%) SAP
5 1 (2.22%) Cadence
5 1 (2.22%) PayPal