Period
to 19 January 2018

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 19 January 2018 with a comparison to the same period in the previous 2 years.

Varnish
Central London > City of London
6 months to
19 Jan 2018
Same period 2017 Same period 2016
Rank 329 331 371
Rank change year-on-year +2 +40 +53
Permanent jobs citing Varnish 5 8 17
As % of all permanent IT jobs advertised in the City of London 0.048% 0.075% 0.12%
As % of the System Software category 0.33% 0.65% 1.09%
Number of salaries quoted 5 8 17
City of London median annual salary £55,000 £62,500 £45,000
Median salary % change year-on-year -12.00% +38.89% -14.29%
10th Percentile £52,500 £41,250 £36,250
90th Percentile £65,000 £68,125 £65,250
Central London median annual salary £55,000 £62,500 £46,250
% change year-on-year -12.00% +35.14% -11.90%

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 the City of London with a requirement for system software skills.

All System Software Skills
City of London
Permanent vacancies with a requirement for system software skills 1,501 1,236 1,559
As % of all permanent IT jobs advertised in the City of London 14.32% 11.63% 10.87%
Number of salaries quoted 1,403 1,121 1,356
City of London median annual salary £55,000 £51,500 £47,500
Median salary % change year-on-year +6.80% +8.42% +1.06%
10th Percentile £31,250 £28,500 £26,750
90th Percentile £87,500 £80,000 £75,000
Central London median annual salary £55,000 £50,000 £47,500
% change year-on-year +10.00% +5.26% +5.56%

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

For the 6 months to 19 January 2018, 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 5 (100.00%) PHP
1 5 (100.00%) Apache
1 5 (100.00%) MySQL
1 5 (100.00%) nginx
2 3 (60.00%) Git (software)
2 3 (60.00%) JIRA
2 3 (60.00%) Computer Science
2 3 (60.00%) Drupal
2 3 (60.00%) Confluence
2 3 (60.00%) CSS
2 3 (60.00%) Agile Software Development
2 3 (60.00%) Software Engineering
2 3 (60.00%) HTML
2 3 (60.00%) Mobile App
2 3 (60.00%) JavaScript
3 2 (40.00%) Go
3 2 (40.00%) HAProxy
3 2 (40.00%) Ansible
3 2 (40.00%) Docker
3 2 (40.00%) DevOps
3 2 (40.00%) Google Cloud Platform
3 2 (40.00%) LEMP Stack
3 2 (40.00%) Java
3 2 (40.00%) SQL
3 2 (40.00%) Python
3 2 (40.00%) E-Commerce
3 2 (40.00%) Red Hat
3 2 (40.00%) Ruby
3 2 (40.00%) Google
3 2 (40.00%) 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 5 (100.00%) Apache
1 5 (100.00%) nginx
2 3 (60.00%) Confluence
2 3 (60.00%) Drupal
Cloud Services
1 2 (40.00%) Amazon AWS
1 2 (40.00%) Google Cloud Platform
1 2 (40.00%) Rackspace Cloud
Communications & Networking
1 2 (40.00%) Firewall
Database & Business Intelligence
1 5 (100.00%) MySQL
2 2 (40.00%) InterSystems Cache
2 2 (40.00%) NoSQL
2 2 (40.00%) Redis
Development Applications
1 3 (60.00%) Git (software)
1 3 (60.00%) JIRA
2 2 (40.00%) Jenkins
Job Titles
1 3 (60.00%) Developer
1 3 (60.00%) Drupal Developer
2 2 (40.00%) DevOps Engineer
Libraries, Frameworks & Software Standards
1 3 (60.00%) CSS
1 3 (60.00%) HTML
2 2 (40.00%) LEMP Stack
Miscellaneous
1 3 (60.00%) Computer Science
1 3 (60.00%) Mobile App
Operating Systems
1 2 (40.00%) CentOS
1 2 (40.00%) Linux
Processes & Methodologies
1 3 (60.00%) Agile Software Development
1 3 (60.00%) Software Engineering
2 2 (40.00%) DevOps
2 2 (40.00%) E-Commerce
2 2 (40.00%) High Availability
2 2 (40.00%) Load Testing
Programming Languages
1 5 (100.00%) PHP
2 3 (60.00%) JavaScript
3 2 (40.00%) Bash Shell
3 2 (40.00%) Go
3 2 (40.00%) Java
3 2 (40.00%) Python
3 2 (40.00%) Ruby
3 2 (40.00%) SQL
System Software
1 2 (40.00%) Docker
Systems Management
1 2 (40.00%) Ansible
1 2 (40.00%) HAProxy
1 2 (40.00%) Puppet
Vendors
1 2 (40.00%) Google
1 2 (40.00%) Rackspace
1 2 (40.00%) Red Hat