Period
to 19 October 2021

The following table provides summary statistics for permanent job vacancies 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 19 October 2021 with a comparison to the same period in the previous 2 years.

Varnish
UK
6 months to
19 Oct 2021
Same period 2020 Same period 2019
Rank 1015 694 1012
Rank change year-on-year -321 +318 +87
Permanent jobs citing Varnish 43 10 73
As % of all permanent jobs advertised in the UK 0.034% 0.021% 0.054%
As % of the System Software category 0.19% 0.11% 0.31%
Number of salaries quoted 33 6 60
10th Percentile £60,900 £43,125 £37,500
25th Percentile £67,500 £50,938 £42,500
Median annual salary (50th Percentile) £80,000 £75,000 £60,000
Median % change year-on-year +6.67% +25.00% +14.29%
75th Percentile £87,500 £77,500 £68,750
90th Percentile " £95,625 £72,500
UK excluding London median annual salary £45,000 £75,000 £57,500
% change year-on-year -40.00% +30.43% +15.00%

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 with a requirement for system software skills.

All System Software Skills
UK
Permanent vacancies with a requirement for system software skills 22,520 8,952 23,507
As % of all permanent IT jobs advertised in the UK 17.93% 18.49% 17.24%
Number of salaries quoted 15,491 7,689 19,612
10th Percentile £28,500 £30,500 £25,500
25th Percentile £38,750 £40,000 £32,500
Median annual salary (50th Percentile) £55,000 £55,000 £50,000
Median % change year-on-year - +10.00% -
75th Percentile £77,500 £72,500 £70,000
90th Percentile £95,000 £87,500 £85,000
UK excluding London median annual salary £47,500 £45,000 £42,500
% change year-on-year +5.56% +5.88% -

Varnish
Job Vacancy Trend

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

Job vacancy trend for Varnish in the UK

Varnish
Salary Trend

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

Salary trend for Varnish in the UK

Varnish
Salary Histogram

Salary distribution for jobs citing Varnish over the 6 months to 19 October 2021.

Salary histogram for Varnish in the UK

Varnish
Top 6 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Varnish within the UK over the 6 months to 19 October 2021. 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
England -296 38 £80,000 +6.67% 12
London -204 37 £80,000 +77.78% 9
Work from Home - 13 £80,000 - 2
North of England -123 1 £45,000 -5.26% 1
UK excluding London -254 1 £45,000 -40.00% 3
Yorkshire - 1 £45,000 - 1

For the 6 months to 19 October 2021, 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 with a requirement for Varnish.

1 34 (79.07%) Python
2 33 (76.74%) Redis
2 33 (76.74%) Docker
2 33 (76.74%) GCP
3 30 (69.77%) DevOps
4 28 (65.12%) nginx
5 27 (62.79%) Jenkins
6 26 (60.47%) PostgreSQL
7 25 (58.14%) Django
7 25 (58.14%) GitLab
8 24 (55.81%) Google
9 23 (53.49%) Migration
9 23 (53.49%) Apache Solr
9 23 (53.49%) Vue.js
9 23 (53.49%) Terraform
10 22 (51.16%) Kubernetes
10 22 (51.16%) GitHub
11 21 (48.84%) Continuous Integration
12 19 (44.19%) Configuration Management
13 18 (41.86%) TDD
13 18 (41.86%) Atlassian Bamboo
13 18 (41.86%) Infrastructure Automation
14 16 (37.21%) JavaScript
14 16 (37.21%) AWS
15 14 (32.56%) Memcached
15 14 (32.56%) MongoDB
16 13 (30.23%) Node.js
16 13 (30.23%) Full Stack Development
17 12 (27.91%) NoSQL
17 12 (27.91%) MySQL

Varnish
Co-occurring IT Skills 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 28 (65.12%) nginx
2 23 (53.49%) Apache Solr
3 11 (25.58%) WordPress
4 8 (18.60%) CMS
4 8 (18.60%) Drupal
5 4 (9.30%) Apache
5 4 (9.30%) Elasticsearch
6 2 (4.65%) Adobe Experience Manager
6 2 (4.65%) OpenStack
6 2 (4.65%) Traffic Server
7 1 (2.33%) EPiServer
7 1 (2.33%) Kentico
7 1 (2.33%) Sitecore CMS
7 1 (2.33%) Umbraco
Applications
1 2 (4.65%) Figma
Cloud Services
1 33 (76.74%) GCP
2 22 (51.16%) GitHub
3 16 (37.21%) AWS
4 10 (23.26%) Azure
5 6 (13.95%) Serverless
6 5 (11.63%) Cloudflare
7 4 (9.30%) npm
8 3 (6.98%) AWS Lambda
8 3 (6.98%) Yarn
9 2 (4.65%) Akamai
9 2 (4.65%) Amazon CloudWatch
9 2 (4.65%) Amazon EC2
9 2 (4.65%) Amazon ECS
9 2 (4.65%) Amazon ELB
9 2 (4.65%) AWS CodePipeline
9 2 (4.65%) BlazeMeter
9 2 (4.65%) CloudFront
9 2 (4.65%) Datadog
9 2 (4.65%) Route 53
9 2 (4.65%) Trello
Communications & Networking
1 8 (18.60%) HTTP
2 4 (9.30%) Internet
3 3 (6.98%) DNS
3 3 (6.98%) TCP/IP
4 2 (4.65%) Firewall
4 2 (4.65%) FTP
4 2 (4.65%) SMTP
4 2 (4.65%) SSL
5 1 (2.33%) DHCP
Database & Business Intelligence
1 33 (76.74%) Redis
2 26 (60.47%) PostgreSQL
3 14 (32.56%) MongoDB
4 12 (27.91%) MySQL
4 12 (27.91%) NoSQL
5 9 (20.93%) SQL Server
6 5 (11.63%) Relational Database
7 2 (4.65%) Amazon RDS
7 2 (4.65%) InterSystems Cache
8 1 (2.33%) Amazon DynamoDB
8 1 (2.33%) ClickHouse
8 1 (2.33%) RDBMS
Development Applications
1 27 (62.79%) Jenkins
2 25 (58.14%) GitLab
3 18 (41.86%) Atlassian Bamboo
4 6 (13.95%) Git (software)
5 5 (11.63%) JIRA
6 2 (4.65%) Bitbucket
6 2 (4.65%) Cypress.io
6 2 (4.65%) JMeter
6 2 (4.65%) JUnit
6 2 (4.65%) Maven
6 2 (4.65%) Pa11y
6 2 (4.65%) Vagrant
6 2 (4.65%) webpack
7 1 (2.33%) Artifactory
7 1 (2.33%) CircleCI
7 1 (2.33%) Grunt
7 1 (2.33%) gulp
7 1 (2.33%) Jasmine
7 1 (2.33%) Mocha
7 1 (2.33%) Yeoman
General
1 4 (9.30%) Social Skills
2 3 (6.98%) Retail
3 2 (4.65%) Finance
3 2 (4.65%) Publishing
Job Titles
1 20 (46.51%) DevOps Engineer
1 20 (46.51%) Senior DevOps
1 20 (46.51%) Senior DevOps Engineer
2 17 (39.53%) Developer
3 12 (27.91%) Full Stack Developer
4 4 (9.30%) Backend Developer
5 1 (2.33%) Drupal Developer
5 1 (2.33%) Lead Developer
5 1 (2.33%) Linux Engineer
5 1 (2.33%) Linux Systems Engineer
5 1 (2.33%) PHP Developer
5 1 (2.33%) Platform Engineer
5 1 (2.33%) Reliability Engineer
5 1 (2.33%) Senior Developer
5 1 (2.33%) Senior Full Stack Developer
5 1 (2.33%) Systems Engineer
Libraries, Frameworks & Software Standards
1 25 (58.14%) Django
2 23 (53.49%) Vue.js
3 14 (32.56%) Memcached
4 13 (30.23%) Node.js
5 12 (27.91%) CSS
5 12 (27.91%) HTML
6 10 (23.26%) React
7 9 (20.93%) RabbitMQ
8 7 (16.28%) WebSockets
9 6 (13.95%) RESTful
10 5 (11.63%) Celery
11 3 (6.98%) HTML5
11 3 (6.98%) Lucene
12 2 (4.65%) .NET
12 2 (4.65%) Flask
12 2 (4.65%) LAMP
12 2 (4.65%) LESS
12 2 (4.65%) OSGi
12 2 (4.65%) Sass
12 2 (4.65%) Swagger
Miscellaneous
1 11 (25.58%) Blog
2 3 (6.98%) Private Cloud
2 3 (6.98%) User Experience
3 1 (2.33%) Mobile App
Operating Systems
1 6 (13.95%) Linux
2 2 (4.65%) CentOS
2 2 (4.65%) Red Hat Enterprise Linux
3 1 (2.33%) Unix
Processes & Methodologies
1 30 (69.77%) DevOps
2 23 (53.49%) Migration
3 21 (48.84%) Continuous Integration
4 19 (44.19%) Configuration Management
5 18 (41.86%) Infrastructure Automation
5 18 (41.86%) TDD
6 13 (30.23%) Full Stack Development
7 11 (25.58%) Agile Software Development
8 7 (16.28%) Multithreading
8 7 (16.28%) OWASP
9 6 (13.95%) Test Automation
10 5 (11.63%) SOLID
11 4 (9.30%) Clean Code
11 4 (9.30%) Microservices
11 4 (9.30%) Problem-Solving
11 4 (9.30%) Unit Testing
11 4 (9.30%) Workflow
12 3 (6.98%) E-Commerce
12 3 (6.98%) Open Source
12 3 (6.98%) Software Engineering
Programming Languages
1 34 (79.07%) Python
2 16 (37.21%) JavaScript
3 11 (25.58%) PHP
3 11 (25.58%) SQL
4 9 (20.93%) Java
5 2 (4.65%) ES6
5 2 (4.65%) TypeScript
6 1 (2.33%) C#
6 1 (2.33%) Groovy
6 1 (2.33%) R
6 1 (2.33%) Rust
6 1 (2.33%) Shell Script
Quality Assurance & Compliance
1 2 (4.65%) Accessibility
System Software
1 33 (76.74%) Docker
2 2 (4.65%) LXC
2 2 (4.65%) Squid
2 2 (4.65%) VMware Infrastructure
2 2 (4.65%) Xen
3 1 (2.33%) iptables
3 1 (2.33%) Virtual Machines
Systems Management
1 23 (53.49%) Terraform
2 22 (51.16%) Kubernetes
3 3 (6.98%) Ansible
4 2 (4.65%) HAProxy
5 1 (2.33%) Docker Swarm
5 1 (2.33%) Grafana
5 1 (2.33%) Nagios
5 1 (2.33%) Opscode Chef
5 1 (2.33%) Prometheus
5 1 (2.33%) Puppet
5 1 (2.33%) Salt
Vendors
1 24 (55.81%) Google
2 9 (20.93%) Oracle
3 2 (4.65%) Adobe
3 2 (4.65%) New Relic
3 2 (4.65%) VMware
4 1 (2.33%) Sitecore