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 3 months to 25 March 2017 with a comparison to the same period in the previous 2 years.

3 months to
25 Mar 2017
Same period 2016 Same period 2015
Varnish
England / London
Rank 535 549 542
Rank change year-on-year +14 -7  
Permanent jobs citing Varnish 49 108 113
As % of all permanent IT jobs advertised in London 0.15% 0.26% 0.27%
As % of the System Software category 1.18% 2.21% 2.08%
Number of salaries quoted 40 108 98
Median salary £65,000 £53,750 £52,500
Median salary % change year-on-year +20.93% +2.38%  
UK excluding London median salary £50,000 £34,000 £45,000
% change year-on-year +47.05% -24.44%  

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 London with a requirement for system software skills.

System Software Skills
London
Permanent job vacancies with a requirement for system software skills 4146 4892 5422
As % of all permanent IT job vacancies advertised in London 12.33% 11.68% 12.85%
Number of salaries quoted 3542 4250 4697
Median salary £50,000 £50,000 £47,500
Median salary % change year-on-year - +5.26%  
90% offered a salary of more than £29,000 £29,000 £29,000
10% offered a salary of more than £77,500 £70,000 £70,000
UK excluding London median salary £38,000 £38,000 £37,500
% change year-on-year - +1.33%  

Varnish
Job Vacancy Trend in London

The job posting trend of jobs advertised in 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 London

Varnish
Salary Trend in London

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

Salary trend for Varnish in London

Varnish
Salary Histogram in London

The salary distribution of IT jobs citing Varnish in London over the 3 months to 25 March 2017.

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 3 months to 25 March 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London +49 5 £62,500 +56.25%
Wimbledon +14 1 £60,000 -
Surbiton +12 1 - - 1
Varnish
England

Varnish
Top 30 Related IT Skills in London

For the 6 months to 25 March 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 London region with a requirement for Varnish.

1 103 (83.74%) MySQL
2 102 (82.93%) PHP
3 92 (74.80%) Redis
4 89 (72.36%) Git (software)
5 70 (56.91%) Apache
6 69 (56.10%) DevOps
7 68 (55.28%) LAMP
8 66 (53.66%) Elasticsearch
9 61 (49.59%) Agile Software Development
10 56 (45.53%) Python
11 55 (44.72%) Linux
12 51 (41.46%) PostgreSQL
13 49 (39.84%) HTML
13 49 (39.84%) CSS
14 45 (36.59%) Memcached
15 43 (34.96%) E-Commerce
16 40 (32.52%) Unit Testing
17 37 (30.08%) OO
17 37 (30.08%) RabbitMQ
17 37 (30.08%) Go
18 36 (29.27%) Amazon AWS
18 36 (29.27%) SOA
19 35 (28.46%) Relational Database
19 35 (28.46%) Jenkins
20 33 (26.83%) JavaScript
21 32 (26.02%) JIRA
21 32 (26.02%) Java
21 32 (26.02%) LEMP Stack
22 31 (25.20%) nginx
23 30 (24.39%) Puppet

Varnish
Top Related 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 70 (56.91%) Apache
2 66 (53.66%) Elasticsearch
3 31 (25.20%) nginx
4 28 (22.76%) Apache Solr
5 22 (17.89%) IIS
5 22 (17.89%) Tomcat
6 16 (13.01%) Drupal
7 5 (4.07%) CMS
8 2 (1.63%) JBoss
8 2 (1.63%) OpenStack
8 2 (1.63%) WordPress
9 1 (0.81%) Cloud Foundry
9 1 (0.81%) CloudStack
Business Applications
1 2 (1.63%) Magento
Cloud Services
1 36 (29.27%) Amazon AWS
2 11 (8.94%) Microsoft Azure
3 10 (8.13%) Cloud Computing
4 6 (4.88%) IaaS
5 5 (4.07%) AWS CloudFormation
6 4 (3.25%) Fastly
7 3 (2.44%) Akamai
7 3 (2.44%) Amazon SQS
7 3 (2.44%) AWS Lambda
8 2 (1.63%) Amazon EC2
8 2 (1.63%) Amazon S3
8 2 (1.63%) GitHub
8 2 (1.63%) Google Cloud Platform
8 2 (1.63%) Slack
9 1 (0.81%) AWS Elastic Beanstalk
9 1 (0.81%) Google App Engine
9 1 (0.81%) Google Container Engine
9 1 (0.81%) Heroku
9 1 (0.81%) SaaS
9 1 (0.81%) Virtual Private Cloud
Communications & Networking
1 21 (17.07%) DNS
2 20 (16.26%) Firewall
3 12 (9.76%) TCP/IP
4 11 (8.94%) HTTP
5 8 (6.50%) HTTPS
5 8 (6.50%) VPN
6 2 (1.63%) SSL
6 2 (1.63%) VLAN
7 1 (0.81%) DHCP
7 1 (0.81%) Internet
7 1 (0.81%) SSH
7 1 (0.81%) tcpdump
Database & Business Intelligence
1 103 (83.74%) MySQL
2 92 (74.80%) Redis
3 51 (41.46%) PostgreSQL
4 35 (28.46%) Relational Database
5 16 (13.01%) MongoDB
6 11 (8.94%) SQL Server
7 6 (4.88%) CouchDB
8 4 (3.25%) Hadoop
9 3 (2.44%) Amazon DynamoDB
9 3 (2.44%) Amazon Redshift
10 1 (0.81%) Amazon RDS
10 1 (0.81%) Apache Cassandra
10 1 (0.81%) Big Data
10 1 (0.81%) BigQuery
10 1 (0.81%) MariaDB
Development Applications
1 89 (72.36%) Git (software)
2 35 (28.46%) Jenkins
3 32 (26.02%) JIRA
4 24 (19.51%) Subversion
5 11 (8.94%) Atlassian Bamboo
5 11 (8.94%) Travis CI
6 10 (8.13%) Grunt
6 10 (8.13%) gulp
7 8 (6.50%) Jasmine
7 8 (6.50%) webpack
8 4 (3.25%) Vagrant
9 1 (0.81%) CircleCI
9 1 (0.81%) TeamCity
General
1 14 (11.38%) Retail
2 11 (8.94%) Publishing
3 6 (4.88%) Marketing
4 2 (1.63%) Finance
5 1 (0.81%) Banking
5 1 (0.81%) Telecoms
Job Titles
1 58 (47.15%) Developer
2 33 (26.83%) PHP Developer
3 22 (17.89%) DevOps Engineer
4 19 (15.45%) Linux Systems Administrator
4 19 (15.45%) Systems Administrator
5 18 (14.63%) Administrator
5 18 (14.63%) Lead Developer
5 18 (14.63%) Lead PHP Developer
5 18 (14.63%) Linux Administrator
6 11 (8.94%) AWS Administrator
6 11 (8.94%) Web Developer
7 10 (8.13%) Senior Developer
8 9 (7.32%) Senior Web Developer
9 8 (6.50%) Java Developer
9 8 (6.50%) Linux DevOps Engineer
9 8 (6.50%) Linux Engineer
9 8 (6.50%) Linux/Unix DevOps
10 5 (4.07%) Agile Developer
10 5 (4.07%) Drupal Developer
10 5 (4.07%) OO PHP Developer
Libraries, Frameworks & Software Standards
1 68 (55.28%) LAMP
2 49 (39.84%) CSS
2 49 (39.84%) HTML
3 45 (36.59%) Memcached
4 37 (30.08%) RabbitMQ
5 32 (26.02%) LEMP Stack
6 29 (23.58%) Web Services
7 27 (21.95%) Symfony
8 26 (21.14%) Ajax
8 26 (21.14%) XHTML
9 20 (16.26%) jQuery
10 17 (13.82%) Laravel
11 16 (13.01%) CodeIgniter
11 16 (13.01%) Smarty
12 15 (12.20%) LESS
12 15 (12.20%) Sass
13 13 (10.57%) REST
14 12 (9.76%) CSS3
14 12 (9.76%) HTML5
14 12 (9.76%) SOAP
Miscellaneous
1 8 (6.50%) Computer Science
2 6 (4.88%) Analytical Skills
3 5 (4.07%) Mobile App
4 3 (2.44%) Linux Command Line
5 2 (1.63%) Data Centre
5 2 (1.63%) Enterprise Storage
5 2 (1.63%) Streaming Video
6 1 (0.81%) Foreign Exchange (FX)
6 1 (0.81%) Private Cloud
Operating Systems
1 55 (44.72%) Linux
2 21 (17.07%) CentOS
3 17 (13.82%) Windows
4 13 (10.57%) Windows Server
5 11 (8.94%) Ubuntu
6 10 (8.13%) Red Hat Enterprise Linux
7 8 (6.50%) Debian
8 2 (1.63%) Unix
9 1 (0.81%) Amazon Linux
9 1 (0.81%) Windows Server 2008
9 1 (0.81%) Windows Server 2012
Processes & Methodologies
1 69 (56.10%) DevOps
2 61 (49.59%) Agile Software Development
3 43 (34.96%) E-Commerce
4 40 (32.52%) Unit Testing
5 37 (30.08%) OO
6 36 (29.27%) SOA
7 25 (20.33%) MVC
8 24 (19.51%) OOP
9 22 (17.89%) Open Source
10 18 (14.63%) Continuous Integration
11 17 (13.82%) Software Engineering
12 15 (12.20%) Web Development
13 11 (8.94%) Continuous Deployment
13 11 (8.94%) Load Balancing
13 11 (8.94%) Scrum
13 11 (8.94%) Web Operations
14 10 (8.13%) Change Control
15 9 (7.32%) Automated Testing
15 9 (7.32%) TDD
15 9 (7.32%) Workflow
Programming Languages
1 102 (82.93%) PHP
2 56 (45.53%) Python
3 37 (30.08%) Go
4 33 (26.83%) JavaScript
5 32 (26.02%) Java
6 15 (12.20%) Ruby
7 14 (11.38%) Perl
8 13 (10.57%) Bash Shell
9 10 (8.13%) C#
9 10 (8.13%) PHP 7
10 8 (6.50%) ES6
11 4 (3.25%) PHP 5
12 3 (2.44%) Korn
13 2 (1.63%) SQL
14 1 (0.81%) Scala
14 1 (0.81%) Shell Script
Qualifications
1 8 (6.50%) Degree
Quality Assurance & Compliance
1 2 (1.63%) GCP
2 1 (0.81%) GDPR
System Software
1 16 (13.01%) Docker
2 11 (8.94%) LXC
3 10 (8.13%) VMware Infrastructure
4 9 (7.32%) KVM
5 1 (0.81%) Squid
Systems Management
1 30 (24.39%) Puppet
2 17 (13.82%) Opscode Chef
3 13 (10.57%) Ansible
4 7 (5.69%) HAProxy
5 5 (4.07%) Graphite
6 4 (3.25%) ZABBIX
7 3 (2.44%) Ambari
8 2 (1.63%) Consul
8 2 (1.63%) Grafana
8 2 (1.63%) logstash
8 2 (1.63%) Packer
8 2 (1.63%) Terraform
9 1 (0.81%) CFEngine
9 1 (0.81%) Graylog
9 1 (0.81%) Kibana
9 1 (0.81%) Kubernetes
9 1 (0.81%) Nagios
9 1 (0.81%) Nmap
9 1 (0.81%) StatsD
Vendors
1 25 (20.33%) Zend
2 20 (16.26%) Microsoft
3 17 (13.82%) VMware
4 3 (2.44%) Red Hat
5 2 (1.63%) Demandware
5 2 (1.63%) hybris
6 1 (0.81%) Cisco
6 1 (0.81%) Dell
6 1 (0.81%) Google
6 1 (0.81%) jetNEXUS
6 1 (0.81%) Juniper
6 1 (0.81%) New Relic
6 1 (0.81%) Salesforce.com
6 1 (0.81%) SaltStack
6 1 (0.81%) Splunk
London
Function 22
Posted: Yesterday
London
Sphere Digital Recruitment Ltd
Salary: From £40,000 to £60,000 per annum
Posted: 2 days ago
Surbiton
TUI Group Careers
Salary: Competitive
Posted: 9 days ago
Central London / West End
Conducive
Salary: From £45,000 to £55,000 per annum
Posted: 4 days ago
Hayes, Middlesex
Rackspace
Salary: From £65,000 to £90,000 per annum Competitive + Bonus + Benefits + On
Posted: 10 days ago
Hayes, Middlesex
Rackspace
Salary: From £65,000 to £90,000 per annum Competitive + Benefits + On Call + B
Posted: 10 days ago