Period
to 2 December 2021

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 2 December 2021 with a comparison to the same period in the previous 2 years.

Varnish
England > London
6 months to
2 Dec 2021
Same period 2020 Same period 2019
Rank 693 485 702
Rank change year-on-year -208 +217 +78
Permanent jobs citing Varnish 38 3 33
As % of all permanent jobs advertised in London 0.074% 0.014% 0.061%
As % of the System Software category 0.39% 0.072% 0.35%
Number of salaries quoted 31 3 31
10th Percentile £65,000 £44,500 £37,500
25th Percentile £70,000 £47,500 £42,125
Median annual salary (50th Percentile) £80,000 £55,000 £60,250
Median % change year-on-year +45.45% -8.71% -7.31%
75th Percentile £87,500 £57,500 £68,750
90th Percentile " " £72,500
England median annual salary £80,000 £55,000 £58,750
% change year-on-year +45.45% -6.38% -9.62%

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 9,629 4,177 9,563
As % of all permanent IT jobs advertised in London 18.63% 18.96% 17.74%
Number of salaries quoted 6,349 3,656 8,030
10th Percentile £35,750 £41,250 £29,000
25th Percentile £51,250 £52,500 £41,250
Median annual salary (50th Percentile) £70,000 £70,000 £64,000
Median % change year-on-year - +9.38% +6.67%
75th Percentile £91,250 £85,000 £82,500
90th Percentile £110,000 £100,000 £95,000
England median annual salary £57,500 £55,000 £50,000
% change year-on-year +4.55% +10.00% -

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 2 December 2021.

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 2 December 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
South London - 7 £70,000 -
Central London -56 1 £57,500 +4.55% 4
Varnish
England

For the 6 months to 2 December 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 across the London region with a requirement for Varnish.

1 32 (84.21%) Python
2 31 (81.58%) Redis
2 31 (81.58%) GCP
3 30 (78.95%) Docker
4 28 (73.68%) DevOps
5 26 (68.42%) Jenkins
5 26 (68.42%) PostgreSQL
5 26 (68.42%) nginx
6 24 (63.16%) Google
6 24 (63.16%) Apache Solr
6 24 (63.16%) Kubernetes
6 24 (63.16%) Terraform
7 23 (60.53%) Vue.js
7 23 (60.53%) GitLab
7 23 (60.53%) GitHub
7 23 (60.53%) Django
7 23 (60.53%) Continuous Integration
7 23 (60.53%) Migration
8 22 (57.89%) Configuration Management
9 21 (55.26%) Atlassian Bamboo
9 21 (55.26%) Infrastructure Automation
10 13 (34.21%) AWS
11 12 (31.58%) TDD
12 10 (26.32%) JavaScript
12 10 (26.32%) NoSQL
13 9 (23.68%) Azure
13 9 (23.68%) Memcached
13 9 (23.68%) Node.js
13 9 (23.68%) PHP
13 9 (23.68%) SQL

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 26 (68.42%) nginx
2 24 (63.16%) Apache Solr
3 9 (23.68%) CMS
3 9 (23.68%) Drupal
4 8 (21.05%) WordPress
5 2 (5.26%) Apache
5 2 (5.26%) Elasticsearch
6 1 (2.63%) EPiServer
6 1 (2.63%) Kentico
6 1 (2.63%) OpenStack
6 1 (2.63%) Sitecore CMS
6 1 (2.63%) Traffic Server
6 1 (2.63%) Umbraco
Cloud Services
1 31 (81.58%) GCP
2 23 (60.53%) GitHub
3 13 (34.21%) AWS
4 9 (23.68%) Azure
5 4 (10.53%) Serverless
6 3 (7.89%) Amazon ECS
6 3 (7.89%) AWS Lambda
7 2 (5.26%) Cloudflare
7 2 (5.26%) Fastly
8 1 (2.63%) Amazon EC2
8 1 (2.63%) Amazon EKS
8 1 (2.63%) Amazon ELB
8 1 (2.63%) AWS CodePipeline
8 1 (2.63%) Google Docs
8 1 (2.63%) IaaS
8 1 (2.63%) PaaS
8 1 (2.63%) Route 53
8 1 (2.63%) Slack
8 1 (2.63%) Yarn
Communications & Networking
1 7 (18.42%) HTTP
2 1 (2.63%) DNS
2 1 (2.63%) Firewall
2 1 (2.63%) FTP
2 1 (2.63%) Internet
2 1 (2.63%) SMTP
2 1 (2.63%) SSL
2 1 (2.63%) TCP/IP
Database & Business Intelligence
1 31 (81.58%) Redis
2 26 (68.42%) PostgreSQL
3 10 (26.32%) NoSQL
4 9 (23.68%) MySQL
5 8 (21.05%) MongoDB
6 7 (18.42%) SQL Server
7 2 (5.26%) Amazon DynamoDB
8 1 (2.63%) Amazon RDS
8 1 (2.63%) InterSystems Cache
8 1 (2.63%) MariaDB
8 1 (2.63%) Relational Database
Development Applications
1 26 (68.42%) Jenkins
2 23 (60.53%) GitLab
3 21 (55.26%) Atlassian Bamboo
4 2 (5.26%) Git (software)
5 1 (2.63%) Artifactory
5 1 (2.63%) CircleCI
5 1 (2.63%) Grunt
5 1 (2.63%) gulp
5 1 (2.63%) Jasmine
5 1 (2.63%) JIRA
5 1 (2.63%) Mocha
5 1 (2.63%) TeamCity
5 1 (2.63%) Vagrant
5 1 (2.63%) Yeoman
General
1 2 (5.26%) Finance
1 2 (5.26%) Social Skills
2 1 (2.63%) Publishing
Job Titles
1 22 (57.89%) DevOps Engineer
1 22 (57.89%) Senior DevOps
1 22 (57.89%) Senior DevOps Engineer
2 10 (26.32%) Developer
3 8 (21.05%) Full Stack Developer
4 2 (5.26%) Drupal Developer
5 1 (2.63%) Backend Developer
5 1 (2.63%) Lead Developer
5 1 (2.63%) Platform Engineer
5 1 (2.63%) Reliability Engineer
Libraries, Frameworks & Software Standards
1 23 (60.53%) Django
1 23 (60.53%) Vue.js
2 9 (23.68%) CSS
2 9 (23.68%) HTML
2 9 (23.68%) Memcached
2 9 (23.68%) Node.js
3 8 (21.05%) RabbitMQ
3 8 (21.05%) React
4 7 (18.42%) WebSockets
5 3 (7.89%) .NET
5 3 (7.89%) .NET Core
6 2 (5.26%) Celery
6 2 (5.26%) Express
6 2 (5.26%) JWT
6 2 (5.26%) OAuth
7 1 (2.63%) AngularJS
7 1 (2.63%) Ember.js
7 1 (2.63%) HTML5
7 1 (2.63%) REST
7 1 (2.63%) RESTful
Miscellaneous
1 7 (18.42%) Blog
2 2 (5.26%) Mobile App
3 1 (2.63%) Private Cloud
3 1 (2.63%) User Experience
3 1 (2.63%) Virtual Team
Operating Systems
1 4 (10.53%) Linux
2 1 (2.63%) CentOS
2 1 (2.63%) Red Hat Enterprise Linux
Processes & Methodologies
1 28 (73.68%) DevOps
2 23 (60.53%) Continuous Integration
2 23 (60.53%) Migration
3 22 (57.89%) Configuration Management
4 21 (55.26%) Infrastructure Automation
5 12 (31.58%) TDD
6 9 (23.68%) Full Stack Development
7 7 (18.42%) Multithreading
7 7 (18.42%) OWASP
8 4 (10.53%) Agile Software Development
9 3 (7.89%) SOLID
9 3 (7.89%) Test Automation
10 2 (5.26%) CQRS
10 2 (5.26%) Event-Driven
10 2 (5.26%) Event-Driven Architecture
10 2 (5.26%) Problem-Solving
10 2 (5.26%) Scrum
10 2 (5.26%) Software Engineering
10 2 (5.26%) Workflow
10 2 (5.26%) YAGNI
Programming Languages
1 32 (84.21%) Python
2 10 (26.32%) JavaScript
3 9 (23.68%) PHP
3 9 (23.68%) SQL
4 7 (18.42%) Java
5 2 (5.26%) C#
5 2 (5.26%) R
5 2 (5.26%) Rust
5 2 (5.26%) TypeScript
6 1 (2.63%) Groovy
Quality Assurance & Compliance
1 1 (2.63%) Accessibility
System Software
1 30 (78.95%) Docker
2 1 (2.63%) LXC
2 1 (2.63%) Squid
2 1 (2.63%) VMware Infrastructure
2 1 (2.63%) Xen
Systems Management
1 24 (63.16%) Kubernetes
1 24 (63.16%) Terraform
2 2 (5.26%) Ansible
3 1 (2.63%) Docker Swarm
3 1 (2.63%) HAProxy
3 1 (2.63%) Single Sign-On
Vendors
1 24 (63.16%) Google
2 7 (18.42%) Oracle
3 1 (2.63%) Sitecore
3 1 (2.63%) VMware