Period
to 28 March 2020

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 28 March 2020 with a comparison to the same period in the previous 2 years.

Varnish
England > London
6 months to
28 Mar 2020
Same period 2019 Same period 2018
Rank 675 720 808
Rank change year-on-year +45 +88 -101
Permanent jobs citing Varnish 9 63 29
As % of all permanent jobs advertised in London 0.018% 0.10% 0.042%
As % of the System Software category 0.11% 0.63% 0.29%
Number of salaries quoted 9 47 29
Median annual salary £60,000 £57,500 £62,500
Median salary % change year-on-year +4.35% -8.00% -3.85%
10th Percentile £37,500 £42,500 £47,000
90th Percentile £120,000 £79,500 £90,000
England median annual salary £54,000 £58,750 £50,000
% change year-on-year -8.09% +17.50% -20.00%

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 8,553 9,995 9,869
As % of all permanent IT jobs advertised in London 17.54% 16.35% 14.21%
Number of salaries quoted 7,090 8,295 8,354
Median annual salary £63,750 £60,000 £55,000
Median salary % change year-on-year +6.25% +9.09% +4.76%
10th Percentile £31,250 £30,000 £29,000
90th Percentile £97,500 £93,750 £87,500
England median annual salary £50,000 £50,000 £47,000
% change year-on-year - +6.38% +10.59%

Varnish
Job Vacancy Trend in London

Job postings citing Varnish as a proportion of all IT jobs advertised in London.

Job vacancy trend for Varnish in London

Varnish
Salary Trend in London

3-month moving average salary quoted in jobs citing Varnish in London.

Salary trend for Varnish in London

Varnish
Salary Histogram in London

Salary distribution for jobs citing Varnish in London over the 6 months to 28 March 2020.

Salary histogram for Varnish in London

For the 6 months to 28 March 2020, 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 7 (77.78%) nginx
2 5 (55.56%) Agile Software Development
2 5 (55.56%) Linux
3 4 (44.44%) Apache
3 4 (44.44%) Scrum
3 4 (44.44%) Load Balancing
3 4 (44.44%) HAProxy
3 4 (44.44%) Microservices
4 3 (33.33%) Apache Spark
4 3 (33.33%) Ansible
4 3 (33.33%) GCP
4 3 (33.33%) Innovative Thinking
4 3 (33.33%) Analytics
4 3 (33.33%) MapReduce
4 3 (33.33%) Big Data
4 3 (33.33%) Kafka
4 3 (33.33%) SaaS
4 3 (33.33%) AWS
4 3 (33.33%) Git (software)
4 3 (33.33%) ZABBIX
4 3 (33.33%) Web Services
4 3 (33.33%) Google
4 3 (33.33%) JavaScript
4 3 (33.33%) PHP
4 3 (33.33%) MySQL
4 3 (33.33%) Nagios
4 3 (33.33%) LAMP
4 3 (33.33%) PostgreSQL
5 2 (22.22%) Finance
5 2 (22.22%) Snowflake Schema

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 7 (77.78%) nginx
2 4 (44.44%) Apache
3 3 (33.33%) Apache Spark
4 2 (22.22%) Drupal
4 2 (22.22%) Elasticsearch
4 2 (22.22%) Tomcat
5 1 (11.11%) Apache Solr
5 1 (11.11%) CMS
Business Applications
1 2 (22.22%) Eikon
Cloud Services
1 3 (33.33%) AWS
1 3 (33.33%) GCP
1 3 (33.33%) SaaS
2 2 (22.22%) Amazon EC2
2 2 (22.22%) Amazon ECS
2 2 (22.22%) Amazon EKS
2 2 (22.22%) Amazon S3
2 2 (22.22%) AWS Lambda
2 2 (22.22%) Azure
2 2 (22.22%) Serverless
3 1 (11.11%) GitHub
3 1 (11.11%) Slack
3 1 (11.11%) Trello
Database & Business Intelligence
1 3 (33.33%) Big Data
1 3 (33.33%) MySQL
1 3 (33.33%) PostgreSQL
2 2 (22.22%) Amazon Aurora
2 2 (22.22%) Amazon Redshift
2 2 (22.22%) BigQuery
2 2 (22.22%) Data Warehouse
2 2 (22.22%) Flink
2 2 (22.22%) Hadoop
2 2 (22.22%) HBase
2 2 (22.22%) NoSQL
2 2 (22.22%) Snowflake Schema
3 1 (11.11%) MariaDB
3 1 (11.11%) Redis
Development Applications
1 3 (33.33%) Git (software)
2 2 (22.22%) Jenkins
2 2 (22.22%) JIRA
3 1 (11.11%) Ant
3 1 (11.11%) JUnit
3 1 (11.11%) Maven
3 1 (11.11%) Vagrant
3 1 (11.11%) Xdebug
General
1 2 (22.22%) Finance
2 1 (11.11%) Advertising
2 1 (11.11%) Marketing
2 1 (11.11%) Retail
Job Titles
1 3 (33.33%) Administrator
1 3 (33.33%) Linux Administrator
1 3 (33.33%) Linux Systems Administrator
1 3 (33.33%) Systems Administrator
2 2 (22.22%) Architect
2 2 (22.22%) Data Architect
2 2 (22.22%) Developer
2 2 (22.22%) Senior Architect
2 2 (22.22%) Senior Data Architect
2 2 (22.22%) Senior Developer
2 2 (22.22%) Senior Solutions Architect
2 2 (22.22%) Solutions Architect
3 1 (11.11%) Drupal Developer
3 1 (11.11%) Java Developer
3 1 (11.11%) Platform Engineer
3 1 (11.11%) Senior Drupal Developer
3 1 (11.11%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 3 (33.33%) Kafka
1 3 (33.33%) LAMP
1 3 (33.33%) Web Services
2 2 (22.22%) Apache Avro
2 2 (22.22%) CSS
2 2 (22.22%) GraphQL
2 2 (22.22%) HTML
2 2 (22.22%) JSON
2 2 (22.22%) REST
2 2 (22.22%) SOAP
3 1 (11.11%) CSS3
3 1 (11.11%) Hibernate
3 1 (11.11%) HTML5
3 1 (11.11%) JPA
3 1 (11.11%) Natural Language Processing
3 1 (11.11%) OpenNLP
3 1 (11.11%) RabbitMQ
3 1 (11.11%) RESTful
3 1 (11.11%) Spring
3 1 (11.11%) VCL
Miscellaneous
1 2 (22.22%) Analytical Skills
1 2 (22.22%) Cloud Native
1 2 (22.22%) Replication
1 2 (22.22%) Self-Motivation
2 1 (11.11%) Blog
Operating Systems
1 5 (55.56%) Linux
2 1 (11.11%) CentOS
Processes & Methodologies
1 5 (55.56%) Agile Software Development
2 4 (44.44%) Load Balancing
2 4 (44.44%) Microservices
2 4 (44.44%) Scrum
3 3 (33.33%) Analytics
3 3 (33.33%) Innovative Thinking
3 3 (33.33%) MapReduce
4 2 (22.22%) Data Extraction
4 2 (22.22%) Enterprise Architecture
4 2 (22.22%) ETL
4 2 (22.22%) IT Strategy
4 2 (22.22%) Loose Coupling
4 2 (22.22%) Matrix Organization
4 2 (22.22%) Product Management
4 2 (22.22%) Software Architecture
4 2 (22.22%) Technical Debt
4 2 (22.22%) Thought Leadership
4 2 (22.22%) Use Case
5 1 (11.11%) Creative Thinking
5 1 (11.11%) Infrastructure as Code
Programming Languages
1 3 (33.33%) JavaScript
1 3 (33.33%) PHP
2 1 (11.11%) Groovy
2 1 (11.11%) Java
2 1 (11.11%) Java 8
2 1 (11.11%) Python
2 1 (11.11%) Ruby
Qualifications
1 2 (22.22%) Degree
Quality Assurance & Compliance
1 2 (22.22%) QA
System Software
1 2 (22.22%) Docker
2 1 (11.11%) Virtual Machines
Systems Management
1 4 (44.44%) HAProxy
2 3 (33.33%) Ansible
2 3 (33.33%) Nagios
2 3 (33.33%) ZABBIX
3 2 (22.22%) Terraform
4 1 (11.11%) Consul
4 1 (11.11%) Grafana
4 1 (11.11%) Graphite
4 1 (11.11%) Kubernetes
4 1 (11.11%) Packer
4 1 (11.11%) Puppet
Vendors
1 3 (33.33%) Google
2 2 (22.22%) Oracle
3 1 (11.11%) Plumtree