Period
to 16 November 2019

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 16 November 2019 with a comparison to the same period in the previous 2 years.

Varnish
England > London
6 months to
16 Nov 2019
Same period 2018 Same period 2017
Rank 694 777 784
Rank change year-on-year +83 +7 -61
Permanent jobs citing Varnish 35 37 74
As % of all permanent IT jobs advertised in London 0.064% 0.055% 0.098%
As % of the System Software category 0.36% 0.35% 0.74%
Number of salaries quoted 41 20 68
London median annual salary £67,500 £60,000 £62,500
Median salary % change year-on-year +12.50% -4.00% +8.70%
10th Percentile £37,500 £47,375 £45,000
90th Percentile £71,250 £80,000 £80,750
England median annual salary £62,625 £62,500 £60,000
% change year-on-year +0.20% +4.17% +9.09%

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 9,604 10,684 10,048
As % of all permanent IT jobs advertised in London 17.69% 15.89% 13.30%
Number of salaries quoted 7,935 8,941 8,524
London median annual salary £65,000 £60,000 £55,000
Median salary % change year-on-year +8.33% +9.09% +10.00%
10th Percentile £29,500 £29,000 £28,250
90th Percentile £95,000 £90,000 £85,000
England median annual salary £50,000 £50,000 £45,000
% change year-on-year - +11.11% +5.88%

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 16 November 2019.

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 16 November 2019. 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 £67,500 +10.20%
South London - 5 £60,000 -
Varnish
England

For the 6 months to 16 November 2019, 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 33 (94.29%) Linux
2 22 (62.86%) Docker
3 21 (60.00%) Windows
4 20 (57.14%) Python
5 19 (54.29%) Ansible
6 17 (48.57%) .NET
6 17 (48.57%) nginx
7 15 (42.86%) Agile Software Development
8 14 (40.00%) Apache
8 14 (40.00%) Load Balancing
9 13 (37.14%) AWS
9 13 (37.14%) Jenkins
9 13 (37.14%) LAMP
9 13 (37.14%) Microservices
9 13 (37.14%) DevOps
10 12 (34.29%) NoSQL
11 11 (31.43%) Test Automation
11 11 (31.43%) Configuration Management
11 11 (31.43%) Web Services
11 11 (31.43%) HAProxy
12 10 (28.57%) SOLID
12 10 (28.57%) Fastly
12 10 (28.57%) .NET Core
12 10 (28.57%) Greenfield Project
12 10 (28.57%) Amazon Aurora
12 10 (28.57%) C#
12 10 (28.57%) PHP
12 10 (28.57%) TCP/IP
12 10 (28.57%) B2B
12 10 (28.57%) Firewall

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 17 (48.57%) nginx
2 14 (40.00%) Apache
3 8 (22.86%) CMS
4 6 (17.14%) Elasticsearch
4 6 (17.14%) WordPress
5 4 (11.43%) Apache Solr
6 3 (8.57%) Apache Spark
6 3 (8.57%) Drupal
7 2 (5.71%) IIS
7 2 (5.71%) Tomcat
Business Applications
1 2 (5.71%) Eikon
Cloud Services
1 13 (37.14%) AWS
2 10 (28.57%) Fastly
3 9 (25.71%) SaaS
4 8 (22.86%) Amazon EC2
5 4 (11.43%) Amazon ECS
5 4 (11.43%) AWS Lambda
5 4 (11.43%) Azure
5 4 (11.43%) GCP
5 4 (11.43%) Serverless
6 3 (8.57%) GitHub
7 2 (5.71%) Amazon EKS
7 2 (5.71%) Amazon S3
7 2 (5.71%) Amazon SQS
7 2 (5.71%) AWS CloudFormation
8 1 (2.86%) Slack
8 1 (2.86%) Trello
Communications & Networking
1 10 (28.57%) Firewall
1 10 (28.57%) TCP/IP
2 8 (22.86%) DNS
2 8 (22.86%) Internet
3 6 (17.14%) DHCP
3 6 (17.14%) HTTP
3 6 (17.14%) VPN
4 2 (5.71%) FTP
4 2 (5.71%) SMTP
4 2 (5.71%) SSL
4 2 (5.71%) VLAN
Database & Business Intelligence
1 12 (34.29%) NoSQL
2 10 (28.57%) Amazon Aurora
3 9 (25.71%) MySQL
4 8 (22.86%) PostgreSQL
5 6 (17.14%) Amazon DynamoDB
6 4 (11.43%) Hadoop
6 4 (11.43%) MongoDB
7 3 (8.57%) Big Data
7 3 (8.57%) Redis
8 2 (5.71%) Amazon RDS
8 2 (5.71%) Amazon Redshift
8 2 (5.71%) Apache Cassandra
8 2 (5.71%) BigQuery
8 2 (5.71%) Data Warehouse
8 2 (5.71%) Flink
8 2 (5.71%) HBase
8 2 (5.71%) MariaDB
8 2 (5.71%) Snowflake Schema
9 1 (2.86%) SQL Server
Development Applications
1 13 (37.14%) Jenkins
2 10 (28.57%) Git (software)
3 8 (22.86%) GitLab
4 5 (14.29%) Subversion
4 5 (14.29%) Vagrant
5 4 (11.43%) JIRA
6 2 (5.71%) Atlassian Bamboo
6 2 (5.71%) Bitbucket
7 1 (2.86%) Ant
7 1 (2.86%) JUnit
7 1 (2.86%) Maven
7 1 (2.86%) Travis CI
General
1 2 (5.71%) Finance
1 2 (5.71%) Marketing
2 1 (2.86%) Advertising
Job Titles
1 14 (40.00%) Administrator
1 14 (40.00%) Developer
1 14 (40.00%) Systems Administrator
2 10 (28.57%) .NET Developer
3 8 (22.86%) Linux Administrator
3 8 (22.86%) Linux Systems Administrator
4 6 (17.14%) AWS Administrator
4 6 (17.14%) Cloud Administrator
5 4 (11.43%) DevOps Engineer
6 3 (8.57%) Drupal Developer
6 3 (8.57%) Senior Developer
7 2 (5.71%) Architect
7 2 (5.71%) Data Architect
7 2 (5.71%) Senior Architect
7 2 (5.71%) Senior Data Architect
7 2 (5.71%) Senior Drupal Developer
7 2 (5.71%) Senior Solutions Architect
7 2 (5.71%) Solutions Architect
8 1 (2.86%) Platform Engineer
8 1 (2.86%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 17 (48.57%) .NET
2 13 (37.14%) LAMP
3 11 (31.43%) Web Services
4 10 (28.57%) .NET Core
4 10 (28.57%) Node.js
5 5 (14.29%) LEMP Stack
5 5 (14.29%) REST
6 4 (11.43%) LAPP Stack
6 4 (11.43%) SOAP
7 3 (8.57%) JSON
7 3 (8.57%) Kafka
7 3 (8.57%) Sensu
8 2 (5.71%) AngularJS
8 2 (5.71%) Apache Avro
8 2 (5.71%) GraphQL
8 2 (5.71%) jQuery
8 2 (5.71%) React
9 1 (2.86%) OpenNLP
9 1 (2.86%) PostGIS
9 1 (2.86%) Twig
Miscellaneous
1 10 (28.57%) Greenfield Project
2 8 (22.86%) Cloud Native
3 6 (17.14%) Public Cloud
4 5 (14.29%) Management Information System
5 2 (5.71%) Analytical Skills
5 2 (5.71%) Distributed Denial-of-Service
5 2 (5.71%) Replication
5 2 (5.71%) Self-Motivation
6 1 (2.86%) Blog
6 1 (2.86%) Linux Command Line
6 1 (2.86%) User Experience
Operating Systems
1 33 (94.29%) Linux
2 21 (60.00%) Windows
3 2 (5.71%) Unix
4 1 (2.86%) CentOS
4 1 (2.86%) Windows Server
Processes & Methodologies
1 15 (42.86%) Agile Software Development
2 14 (40.00%) Load Balancing
3 13 (37.14%) DevOps
3 13 (37.14%) Microservices
4 11 (31.43%) Configuration Management
4 11 (31.43%) Test Automation
5 10 (28.57%) B2B
5 10 (28.57%) SOLID
5 10 (28.57%) TDD
6 7 (20.00%) High Availability
6 7 (20.00%) Project Management
7 6 (17.14%) Auto-Scaling
7 6 (17.14%) Content Management
7 6 (17.14%) Continuous Improvement
7 6 (17.14%) Performance Metrics
7 6 (17.14%) Performance Monitoring
7 6 (17.14%) Server Patching
7 6 (17.14%) Threat Modelling
7 6 (17.14%) Time Management
7 6 (17.14%) Web Development
Programming Languages
1 20 (57.14%) Python
2 10 (28.57%) C#
2 10 (28.57%) PHP
3 9 (25.71%) JavaScript
4 8 (22.86%) Ruby
5 4 (11.43%) Bash Shell
6 2 (5.71%) Go
7 1 (2.86%) Groovy
7 1 (2.86%) Java
7 1 (2.86%) Java 8
Qualifications
1 6 (17.14%) AWS Certification
2 4 (11.43%) Degree
3 2 (5.71%) Computer Science Degree
Quality Assurance & Compliance
1 2 (5.71%) QA
System Software
1 22 (62.86%) Docker
2 6 (17.14%) Active Directory
Systems Management
1 19 (54.29%) Ansible
2 11 (31.43%) HAProxy
3 10 (28.57%) ZABBIX
4 9 (25.71%) Kubernetes
5 8 (22.86%) Nagios
6 7 (20.00%) Consul
7 6 (17.14%) Docker Swarm
7 6 (17.14%) Terraform
8 5 (14.29%) Puppet
9 3 (8.57%) Graphite
9 3 (8.57%) Packer
10 2 (5.71%) Graylog
10 2 (5.71%) logstash
10 2 (5.71%) Opscode Chef
11 1 (2.86%) Grafana
Vendors
1 6 (17.14%) Microsoft
1 6 (17.14%) Splunk
2 2 (5.71%) Google
2 2 (5.71%) Oracle
3 1 (2.86%) Plumtree