The table below looks at the statistics for Varnish skills in IT jobs advertised for the London region. Included is a guide to the salaries offered in IT jobs that have cited Varnish over the 3 months to 31 May 2016 with a comparison to the same period over the previous 2 years.

3 months to
31 May 2016
Same period 2015 Same period 2014
Varnish
Rank 572 509 566
Rank change year-on-year
-63 +57
Permanent jobs citing Varnish 81 153 126
As % of all permanent IT jobs located in London 0.20% 0.35% 0.25%
As % of the System Software category 1.61% 3.07% 2.50%
Number of salaries quoted 72 120 90
Median salary £60,000 £52,500 £52,000
Median salary % change year-on-year
+14.28% +0.96%
90% offered a salary of more than £47,500 £45,000 £35,225
10% offered a salary of more than £74,750 £60,250 £70,000
UK excluding London median salary £43,250 £42,500 £42,500
% change year-on-year
+1.76% -
Varnish
England

The following table is for comparison with the above and provides statistics for the entire System Software category in permanent jobs advertised in the London region.

System Software Category
London
Permanent IT job ads with a match in the
System Software category
5033 4986 5036
As % of all permanent IT jobs located in London 12.48% 11.52% 10.17%
Number of salaries quoted 4403 4348 4421
Median salary £50,000 £47,500 £45,000
Median salary % change year-on-year
+5.26% +5.55%
90% offered a salary of more than £30,000 £29,500 £27,500
10% offered a salary of more than £75,000 £70,000 £72,500
UK excluding London median salary £38,000 £37,500 £37,500
% change year-on-year
+1.33% -

Varnish
Jobs Demand Trend in London

The demand trend of job ads across the London region citing Varnish as a proportion of all IT jobs with a match in the System Software category.

Varnish Jobs Demand Trend in London

Varnish
Salary Trend in London

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

Varnish Salary Trend in London

Varnish
Salary Histogram in London

This chart provides a salary histogram for IT jobs citing Varnish across the London region over the 3 months to 31 May 2016.

Varnish Salary Histogram in London

Varnish
Top 30 Related IT Skills in London

For the 6 months to 31 May 2016, 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.

1 136 (67.66%) MySQL
1 136 (67.66%) Redis
2 127 (63.18%) Python
3 125 (62.19%) PHP
4 122 (60.70%) Git (software)
5 101 (50.25%) Linux
6 85 (42.29%) Elasticsearch
7 77 (38.31%) PostgreSQL
8 75 (37.31%) Agile Software Development
9 74 (36.82%) RabbitMQ
10 71 (35.32%) LAMP
11 70 (34.83%) Apache
12 68 (33.83%) nginx
13 63 (31.34%) JIRA
14 61 (30.35%) Amazon AWS
15 55 (27.36%) Django
16 50 (24.88%) Go
17 49 (24.38%) Jenkins
18 48 (23.88%) Ruby
19 47 (23.38%) E-Commerce
20 45 (22.39%) SQLAlchemy
20 45 (22.39%) Flask
20 45 (22.39%) Microservices
20 45 (22.39%) Celery
21 44 (21.89%) LEMP Stack
21 44 (21.89%) Puppet
22 42 (20.90%) CSS
23 41 (20.40%) Drupal
23 41 (20.40%) DevOps
24 40 (19.90%) Unit Testing

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 85 (42.29%) Elasticsearch
2 70 (34.83%) Apache
3 68 (33.83%) nginx
4 41 (20.40%) Drupal
5 39 (19.40%) Tomcat
6 16 (7.96%) CMS
7 14 (6.97%) Node.js
8 12 (5.97%) Adobe Experience Manager
9 11 (5.47%) Lightstreamer
9 11 (5.47%) WebLogic
10 9 (4.48%) WordPress
11 6 (2.99%) Apache Solr
12 5 (2.49%) Joomla!
13 4 (1.99%) ExpressionEngine
13 4 (1.99%) OpenStack
14 3 (1.49%) JBoss
14 3 (1.49%) TWiki
15 2 (1.00%) Confluence
15 2 (1.00%) IIS
15 2 (1.00%) SharePoint
Applications
1 2 (1.00%) MS Excel
Business Applications
1 6 (2.99%) Payment Gateway
2 3 (1.49%) Magento
Cloud Services
1 61 (30.35%) Amazon AWS
2 17 (8.46%) IaaS
3 15 (7.46%) GitHub
4 7 (3.48%) Amazon EC2
4 7 (3.48%) PaaS
5 6 (2.99%) Amazon ELB
5 6 (2.99%) Amazon S3
5 6 (2.99%) Microsoft Azure
6 5 (2.49%) AWS CloudFormation
7 4 (1.99%) Virtual Private Cloud
8 3 (1.49%) Joyent
9 1 (0.50%) Amazon CloudWatch
9 1 (0.50%) Cloud Computing
9 1 (0.50%) CloudFront
9 1 (0.50%) Route 53
Communications & Networking
1 26 (12.94%) Firewall
2 14 (6.97%) DNS
3 10 (4.98%) LDAP
4 6 (2.99%) iSCSI
5 5 (2.49%) Cisco ASA
5 5 (2.49%) HTTP
6 4 (1.99%) Cisco IOS
6 4 (1.99%) Internet
6 4 (1.99%) Skype
6 4 (1.99%) TCP/IP
6 4 (1.99%) VLAN
7 3 (1.49%) BGP
7 3 (1.49%) Cisco ISE
7 3 (1.49%) Cisco Nexus
7 3 (1.49%) F5 BIG-IP GTM
7 3 (1.49%) F5 BIG-IP LTM
7 3 (1.49%) Fibre Channel
7 3 (1.49%) NAS
7 3 (1.49%) SSH
7 3 (1.49%) tcpdump
Database & Business Intelligence
1 136 (67.66%) MySQL
1 136 (67.66%) Redis
2 77 (38.31%) PostgreSQL
3 35 (17.41%) MongoDB
4 21 (10.45%) Relational Database
5 19 (9.45%) NoSQL
6 16 (7.96%) CouchDB
7 14 (6.97%) Apache Cassandra
8 7 (3.48%) Couchbase
9 6 (2.99%) Amazon RDS
10 5 (2.49%) SQL Server
11 2 (1.00%) GIS
11 2 (1.00%) Ingres
11 2 (1.00%) SQL Server 2012
11 2 (1.00%) SQL Server 2014
12 1 (0.50%) DB2
12 1 (0.50%) Hadoop
12 1 (0.50%) OLAP
Development Applications
1 122 (60.70%) Git (software)
2 63 (31.34%) JIRA
3 49 (24.38%) Jenkins
4 25 (12.44%) Subversion
5 16 (7.96%) Vagrant
6 8 (3.98%) RSpec
7 6 (2.99%) Hudson
7 6 (2.99%) Selenium
7 6 (2.99%) TeamCity
7 6 (2.99%) Travis CI
8 5 (2.49%) Maven
9 4 (1.99%) gulp
9 4 (1.99%) QUnit
10 3 (1.49%) Bugzilla
10 3 (1.49%) GitLab
11 1 (0.50%) Atlassian Bamboo
11 1 (0.50%) Bitbucket
11 1 (0.50%) git-flow
11 1 (0.50%) Gradle
11 1 (0.50%) PhantomJS
General
1 29 (14.43%) Marketing
2 16 (7.96%) Games
3 13 (6.47%) Finance
4 12 (5.97%) Publishing
5 11 (5.47%) Advertising
6 9 (4.48%) Retail
7 5 (2.49%) Telecoms
8 4 (1.99%) Pharmaceutical
9 3 (1.49%) Legal
Job Titles
1 104 (51.74%) Developer
2 43 (21.39%) PHP Developer
3 40 (19.90%) Python Developer
4 32 (15.92%) Software Developer
5 30 (14.93%) Administrator
5 30 (14.93%) Systems Administrator
6 27 (13.43%) Linux Administrator
6 27 (13.43%) Linux Systems Administrator
7 22 (10.95%) Senior Developer
8 20 (9.95%) DevOps Engineer
9 19 (9.45%) Senior PHP Developer
10 16 (7.96%) Lead Developer
11 13 (6.47%) Linux Engineer
12 12 (5.97%) Software Engineer
13 10 (4.98%) Lead Software Engineer
13 10 (4.98%) Python Software Engineer
14 9 (4.48%) Middleware Engineer
15 8 (3.98%) Developer/Software Engineer
15 8 (3.98%) Lead Software Developer
16 7 (3.48%) Cloud Engineer
Libraries, Frameworks & Software Standards
1 74 (36.82%) RabbitMQ
2 71 (35.32%) LAMP
3 55 (27.36%) Django
4 45 (22.39%) Celery
4 45 (22.39%) Flask
4 45 (22.39%) SQLAlchemy
5 44 (21.89%) LEMP Stack
6 42 (20.90%) CSS
7 40 (19.90%) HTML
8 39 (19.40%) Memcached
9 30 (14.93%) jQuery
10 29 (14.43%) Web Services
11 28 (13.93%) REST
12 22 (10.95%) SOAP
13 19 (9.45%) Symfony
14 14 (6.97%) MCollective
15 13 (6.47%) mod_rewrite
15 13 (6.47%) XHTML
16 12 (5.97%) ActiveMQ
17 11 (5.47%) Middleware
Miscellaneous
1 12 (5.97%) Digital Media
2 9 (4.48%) Data Centre
2 9 (4.48%) Social Network
3 7 (3.48%) User Experience
4 6 (2.99%) Analytical Skills
5 4 (1.99%) Mobile App
5 4 (1.99%) Private Cloud
6 3 (1.49%) Management Information System
7 2 (1.00%) Computer Science
7 2 (1.00%) Performance Metrics
7 2 (1.00%) Social Media
8 1 (0.50%) Data Structures
8 1 (0.50%) Spread Betting
8 1 (0.50%) W3C
Operating Systems
1 101 (50.25%) Linux
2 33 (16.42%) Red Hat Enterprise Linux
3 24 (11.94%) CentOS
4 21 (10.45%) Debian
5 17 (8.46%) Ubuntu
6 10 (4.98%) Unix
7 5 (2.49%) Windows
8 3 (1.49%) CoreOS
8 3 (1.49%) Windows Server
9 2 (1.00%) Solaris
9 2 (1.00%) Windows Server 2008
9 2 (1.00%) Windows Server 2012
10 1 (0.50%) SmartOS
Processes & Methodologies
1 75 (37.31%) Agile Software Development
2 47 (23.38%) E-Commerce
3 45 (22.39%) Microservices
4 41 (20.40%) DevOps
5 40 (19.90%) Unit Testing
6 39 (19.40%) OO
7 31 (15.42%) Software Engineering
8 24 (11.94%) Configuration Management
9 23 (11.44%) SOA
10 21 (10.45%) Continuous Delivery
11 20 (9.95%) OO PHP
12 19 (9.45%) Continuous Integration
12 19 (9.45%) TDD
13 17 (8.46%) OOP
14 14 (6.97%) MVC
15 12 (5.97%) ITIL
15 12 (5.97%) Open Source
15 12 (5.97%) Project Management
15 12 (5.97%) Scrum
16 11 (5.47%) Database Optimisation
Programming Languages
1 127 (63.18%) Python
2 125 (62.19%) PHP
3 50 (24.88%) Go
4 48 (23.88%) Ruby
5 38 (18.91%) Perl
6 36 (17.91%) Bash Shell
7 30 (14.93%) JavaScript
8 20 (9.95%) Java
9 14 (6.97%) PHP 5
10 4 (1.99%) SQL
11 2 (1.00%) Clojure
11 2 (1.00%) PowerShell
12 1 (0.50%) Haskell
12 1 (0.50%) Scala
12 1 (0.50%) Shell Script
Qualifications
1 5 (2.49%) Cisco Certification
2 3 (1.49%) CCNP
2 3 (1.49%) PMI Certification
2 3 (1.49%) PMP
3 2 (1.00%) CCNA
3 2 (1.00%) Degree
3 2 (1.00%) MCP
3 2 (1.00%) MCSA
3 2 (1.00%) Microsoft Certification
Quality Assurance & Compliance
1 3 (1.49%) Sarbanes-Oxley
2 2 (1.00%) SLA
3 1 (0.50%) QA
System Software
1 20 (9.95%) Squid
2 15 (7.46%) Docker
3 11 (5.47%) Apache ZooKeeper
4 5 (2.49%) VMware Infrastructure
5 4 (1.99%) Corosync
5 4 (1.99%) Hyper-V
5 4 (1.99%) LXC
5 4 (1.99%) NFS
5 4 (1.99%) Sendmail
6 3 (1.49%) GFS2
6 3 (1.49%) iptables
6 3 (1.49%) OpenSSH
6 3 (1.49%) Openswan
6 3 (1.49%) VMware ESX
7 2 (1.00%) KVM
7 2 (1.00%) Postfix
7 2 (1.00%) XenServer
8 1 (0.50%) Active Directory
8 1 (0.50%) pfSense
8 1 (0.50%) Xen
Systems Management
1 44 (21.89%) Puppet
2 26 (12.94%) Ansible
3 20 (9.95%) Opscode Chef
4 14 (6.97%) Nagios
5 13 (6.47%) ZABBIX
6 9 (4.48%) HAProxy
6 9 (4.48%) Packer
6 9 (4.48%) Salt
7 7 (3.48%) logstash
7 7 (3.48%) Terraform
8 4 (1.99%) Cacti
8 4 (1.99%) Graphite
8 4 (1.99%) Kibana
8 4 (1.99%) Kubernetes
8 4 (1.99%) Pacemaker
9 3 (1.49%) Cisco Prime
9 3 (1.49%) Ganglia
9 3 (1.49%) Nmap
9 3 (1.49%) systemd
9 3 (1.49%) WSUS
Vendors
1 24 (11.94%) VMware
2 20 (9.95%) Akamai
3 16 (7.96%) Red Hat
4 12 (5.97%) Adobe
5 11 (5.47%) AppDynamics
5 11 (5.47%) F5
5 11 (5.47%) Fiorano
6 10 (4.98%) Zend
7 9 (4.48%) Cisco
7 9 (4.48%) IBM
8 8 (3.98%) Terracotta
8 8 (3.98%) Yahoo!
9 5 (2.49%) Google
9 5 (2.49%) Microsoft
10 4 (1.99%) Optimizely
10 4 (1.99%) Percona
11 3 (1.49%) CheckPoint
11 3 (1.49%) Oracle
11 3 (1.49%) Rackspace
11 3 (1.49%) ServiceNow
London
Savvy Recruitment
Salary: £0 - £60,000 per year
Posted: 5 days ago
City, London
Harvey Nash plc
Salary: £42000 per annum
Posted: 4 days ago
London
Austin Fraser
Salary: £35000.00 - £45000.00 per annum + Bens
Posted: 6 days ago
Central London
JD & Co
Salary: £45,000 - £55,000 per year
Posted: 13 days ago
London
Computer Futures
Salary: £40000 - £50000 per annum + competitive
Posted: 11 days ago