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 3 months to 29 April 2017 with a comparison to the same period in the previous 2 years.

Varnish
London / City of London
3 months to
29 Apr 2017
Same period 2016 Same period 2015
Rank 233 268 302
Rank change year-on-year +35 +34  
Permanent jobs citing Varnish 5 4 23
As % of all permanent IT jobs advertised in the City of London 0.094% 0.057% 0.22%
As % of the System Software category 0.73% 0.50% 1.74%
Number of salaries quoted 3 4 21
Median salary £65,000 £35,000 £50,000
Median salary % change year-on-year +85.71% -30.00%  
UK excluding London median salary £40,000 £36,250 £40,000
% change year-on-year +10.34% -9.37%  

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 682 797 1323
As % of all permanent IT job vacancies advertised in the City of London 12.79% 11.31% 12.55%
Number of salaries quoted 622 717 1133
Median salary £52,500 £52,500 £50,000
Median salary % change year-on-year - +5.00%  
90% offered a salary of more than £30,000 £30,000 £31,500
10% offered a salary of more than £75,000 £67,500 £72,500
UK excluding London median salary £37,500 £37,500 £37,500

Varnish
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing Varnish as a proportion of all permanent or contract IT jobs with a match in the System Software category.

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 29 April 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 10 (100.00%) PHP
1 10 (100.00%) MySQL
1 10 (100.00%) Apache
2 8 (80.00%) E-Commerce
2 8 (80.00%) Puppet
2 8 (80.00%) Redis
2 8 (80.00%) Jenkins
2 8 (80.00%) Ansible
2 8 (80.00%) DevOps
2 8 (80.00%) LEMP Stack
3 7 (70.00%) Apache Solr
3 7 (70.00%) Git (software)
3 7 (70.00%) LAMP
4 5 (50.00%) Microsoft
4 5 (50.00%) IIS
4 5 (50.00%) Microsoft Azure
4 5 (50.00%) Agile Software Development
4 5 (50.00%) Retail
4 5 (50.00%) Continuous Integration
4 5 (50.00%) Cloud Computing
4 5 (50.00%) Opscode Chef
4 5 (50.00%) Elasticsearch
4 5 (50.00%) Change Control
4 5 (50.00%) Travis CI
4 5 (50.00%) PHP 7
4 5 (50.00%) LXC
5 3 (30.00%) Google Cloud Platform
5 3 (30.00%) High Availability
5 3 (30.00%) NoSQL
5 3 (30.00%) Rackspace Cloud

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 (100.00%) Apache
2 7 (70.00%) Apache Solr
3 5 (50.00%) Elasticsearch
3 5 (50.00%) IIS
4 3 (30.00%) nginx
5 2 (20.00%) Drupal
Cloud Services
1 5 (50.00%) Cloud Computing
1 5 (50.00%) Microsoft Azure
2 3 (30.00%) Amazon AWS
2 3 (30.00%) Google Cloud Platform
2 3 (30.00%) Rackspace Cloud
Communications & Networking
1 3 (30.00%) Firewall
Database & Business Intelligence
1 10 (100.00%) MySQL
2 8 (80.00%) Redis
3 3 (30.00%) InterSystems Cache
3 3 (30.00%) NoSQL
Development Applications
1 8 (80.00%) Jenkins
2 7 (70.00%) Git (software)
3 5 (50.00%) Travis CI
General
1 5 (50.00%) Retail
Job Titles
1 8 (80.00%) DevOps Engineer
2 3 (30.00%) Administrator
2 3 (30.00%) DevOps Administrator
2 3 (30.00%) DevOps Systems Engineer
2 3 (30.00%) Systems Administrator
2 3 (30.00%) Systems Engineer
3 2 (20.00%) Developer
3 2 (20.00%) Senior Developer
3 2 (20.00%) Senior Web Developer
3 2 (20.00%) Web Developer
Libraries, Frameworks & Software Standards
1 8 (80.00%) LEMP Stack
2 7 (70.00%) LAMP
3 2 (20.00%) CSS
3 2 (20.00%) Drush
3 2 (20.00%) HTML
3 2 (20.00%) LESS
3 2 (20.00%) Memcached
3 2 (20.00%) REST
3 2 (20.00%) Sass
3 2 (20.00%) SOAP
3 2 (20.00%) Symfony
3 2 (20.00%) Web Services
Miscellaneous
1 2 (20.00%) Computer Science
Operating Systems
1 3 (30.00%) CentOS
1 3 (30.00%) Linux
Processes & Methodologies
1 8 (80.00%) DevOps
1 8 (80.00%) E-Commerce
2 5 (50.00%) Agile Software Development
2 5 (50.00%) Change Control
2 5 (50.00%) Continuous Integration
3 3 (30.00%) High Availability
3 3 (30.00%) Load Testing
4 2 (20.00%) Automated Testing
4 2 (20.00%) Defect Management
4 2 (20.00%) Front End Development
4 2 (20.00%) MVC
4 2 (20.00%) Open Source
4 2 (20.00%) Web Development
4 2 (20.00%) Workflow
Programming Languages
1 10 (100.00%) PHP
2 5 (50.00%) PHP 7
3 3 (30.00%) Bash Shell
3 3 (30.00%) Go
3 3 (30.00%) Java
3 3 (30.00%) Python
3 3 (30.00%) Ruby
3 3 (30.00%) SQL
4 2 (20.00%) JavaScript
Qualifications
1 2 (20.00%) Degree
System Software
1 5 (50.00%) LXC
2 3 (30.00%) Docker
Systems Management
1 8 (80.00%) Ansible
1 8 (80.00%) Puppet
2 5 (50.00%) Opscode Chef
3 3 (30.00%) HAProxy
Vendors
1 5 (50.00%) Microsoft
2 3 (30.00%) Google
2 3 (30.00%) Rackspace
2 3 (30.00%) Red Hat
3 2 (20.00%) Zend
City, London
Codersource Ltd
Salary: From £55,000 to £60,000 per annum
Posted: 3 days ago
City, London
Digital Gurus
Salary: £65000 Per Annum
Posted: 17 days ago