Period
to 27 July 2017

The following table provides summary statistics for permanent job vacancies advertised in the City of 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 27 July 2017 with a comparison to the same period in the previous 2 years.

Varnish
Central London > City of London
6 months to
27 Jul 2017
Same period 2016 Same period 2015
Rank 321 374 408
Rank change year-on-year +53 +34 +25
Permanent jobs citing Varnish 14 6 47
As % of all permanent IT jobs advertised in the City of London 0.14% 0.045% 0.22%
As % of the System Software category 1.01% 0.37% 2.06%
Number of salaries quoted 12 6 41
City of London median annual salary £65,000 £40,000 £50,000
Median salary % change year-on-year +62.50% -20.00% -4.76%
Central London median annual salary £65,000 £42,000 £50,000
% change year-on-year +54.76% -16.00% -9.09%

Varnish is in the system software skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in the City of London with a requirement for system software skills.

System Software Skills
City of London
Permanent job vacancies with a requirement for system software skills 1384 1614 2280
As % of all permanent IT job vacancies advertised in the City of London 13.53% 12.04% 10.85%
Number of salaries quoted 1267 1465 1974
City of London median annual salary £52,500 £52,500 £47,500
Median salary % change year-on-year - +10.53% -
10th Percentile £28,000 £27,750 £28,075
90th Percentile £81,250 £78,750 £71,250
Central London median annual salary £50,000 £50,000 £47,500
% change year-on-year - +5.26% -

Varnish
Job Vacancy Trend in the City of London

Job postings citing Varnish as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for Varnish in the City of London

Varnish
Salary Trend in the City of London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Varnish in the City of London.

Salary trend for Varnish in the City of London

Varnish
Salary Histogram in the City of London

The salary distribution of IT jobs citing Varnish in the City of London over the 6 months to 27 July 2017.

Salary histogram for Varnish in the City of London

For the 6 months to 27 July 2017, IT jobs citing Varnish also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the City of London region with a requirement for Varnish.

1 12 (85.71%) Python
1 12 (85.71%) Amazon AWS
1 12 (85.71%) Redis
2 11 (78.57%) Jenkins
2 11 (78.57%) Ruby
2 11 (78.57%) Java
3 10 (71.43%) MySQL
3 10 (71.43%) PHP
3 10 (71.43%) Apache
4 9 (64.29%) Linux
4 9 (64.29%) Firewall
4 9 (64.29%) nginx
4 9 (64.29%) Bash Shell
4 9 (64.29%) Docker
4 9 (64.29%) DevOps
5 8 (57.14%) Go
5 8 (57.14%) HAProxy
5 8 (57.14%) Ansible
5 8 (57.14%) Google Cloud Platform
5 8 (57.14%) LEMP Stack
5 8 (57.14%) Puppet
5 8 (57.14%) NoSQL
5 8 (57.14%) High Availability
5 8 (57.14%) Rackspace Cloud
5 8 (57.14%) Rackspace
5 8 (57.14%) CentOS
5 8 (57.14%) Load Testing
5 8 (57.14%) Google
5 8 (57.14%) Red Hat
5 8 (57.14%) InterSystems Cache

Varnish
Co-occurring IT Skills in the City of 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 10 (71.43%) Apache
2 9 (64.29%) nginx
3 2 (14.29%) Apache Solr
3 2 (14.29%) Drupal
Cloud Services
1 12 (85.71%) Amazon AWS
2 8 (57.14%) Google Cloud Platform
2 8 (57.14%) Rackspace Cloud
3 1 (7.14%) Akamai
3 1 (7.14%) Amazon CloudWatch
3 1 (7.14%) Fastly
Communications & Networking
1 9 (64.29%) Firewall
2 1 (7.14%) SSL
2 1 (7.14%) VPN
Database & Business Intelligence
1 12 (85.71%) Redis
2 10 (71.43%) MySQL
3 8 (57.14%) InterSystems Cache
3 8 (57.14%) NoSQL
4 1 (7.14%) Apache Cassandra
4 1 (7.14%) MongoDB
Development Applications
1 11 (78.57%) Jenkins
2 3 (21.43%) Atlassian Bamboo
3 2 (14.29%) Git (software)
4 1 (7.14%) CircleCI
General
1 1 (7.14%) Publishing
Job Titles
1 8 (57.14%) DevOps Engineer
2 7 (50.00%) Administrator
2 7 (50.00%) DevOps Administrator
2 7 (50.00%) DevOps Systems Engineer
2 7 (50.00%) Systems Administrator
2 7 (50.00%) Systems Engineer
3 6 (42.86%) Developer
4 3 (21.43%) Full Stack Developer
4 3 (21.43%) Python Developer
4 3 (21.43%) Senior Developer
5 2 (14.29%) Polyglot Developer
5 2 (14.29%) Senior Web Developer
5 2 (14.29%) Web Developer
6 1 (7.14%) JavaScript Developer
6 1 (7.14%) Senior Full Stack Developer
6 1 (7.14%) Senior JavaScript Developer
6 1 (7.14%) Senior Python Developer
6 1 (7.14%) Software Developer
Libraries, Frameworks & Software Standards
1 8 (57.14%) LEMP Stack
2 5 (35.71%) CSS
2 5 (35.71%) HTML
3 3 (21.43%) AngularJS
3 3 (21.43%) Flask
3 3 (21.43%) jQuery
3 3 (21.43%) Memcached
3 3 (21.43%) Node.js
3 3 (21.43%) React
3 3 (21.43%) Twitter Bootstrap
4 2 (14.29%) Drush
4 2 (14.29%) LAMP
4 2 (14.29%) LESS
4 2 (14.29%) REST
4 2 (14.29%) Sass
4 2 (14.29%) SOAP
4 2 (14.29%) Symfony
4 2 (14.29%) Web Services
Miscellaneous
1 2 (14.29%) Algorithms
1 2 (14.29%) Computer Science
1 2 (14.29%) Data Structures
1 2 (14.29%) Greenfield Project
Operating Systems
1 9 (64.29%) Linux
2 8 (57.14%) CentOS
3 1 (7.14%) Unix
Processes & Methodologies
1 9 (64.29%) DevOps
2 8 (57.14%) E-Commerce
2 8 (57.14%) High Availability
2 8 (57.14%) Load Testing
3 3 (21.43%) Agile Software Development
3 3 (21.43%) Continuous Integration
3 3 (21.43%) Pair Programming
3 3 (21.43%) TDD
4 2 (14.29%) Defect Management
4 2 (14.29%) Front End Development
4 2 (14.29%) MVC
4 2 (14.29%) Open Source
4 2 (14.29%) Test Automation
4 2 (14.29%) Web Development
4 2 (14.29%) Workflow
5 1 (7.14%) Software Engineering
Programming Languages
1 12 (85.71%) Python
2 11 (78.57%) Java
2 11 (78.57%) Ruby
3 10 (71.43%) PHP
4 9 (64.29%) Bash Shell
5 8 (57.14%) Go
5 8 (57.14%) SQL
6 5 (35.71%) JavaScript
7 3 (21.43%) C++
Qualifications
1 2 (14.29%) Computer Science Degree
1 2 (14.29%) Degree
Quality Assurance & Compliance
1 1 (7.14%) SLA
System Software
1 9 (64.29%) Docker
Systems Management
1 8 (57.14%) Ansible
1 8 (57.14%) HAProxy
1 8 (57.14%) Puppet
2 1 (7.14%) Grafana
2 1 (7.14%) Graphite
2 1 (7.14%) Terraform
Vendors
1 8 (57.14%) Google
1 8 (57.14%) Rackspace
1 8 (57.14%) Red Hat
2 2 (14.29%) Zend
City, London
Digital Gurus
Salary: £65000 per annum
Posted: Yesterday