Period
to 21 November 2019

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Varnish skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Varnish over the 6 months to 21 November 2019 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Varnish
Central London > City of London
6 months to
21 Nov 2019
Same period 2018 Same period 2017
Rank 214 249 248
Rank change year-on-year +35 -1 -1
Contract jobs citing Varnish 6 7 4
As % of all contract IT jobs advertised in the City of London 0.10% 0.099% 0.056%
As % of the System Software category 0.64% 0.57% 0.47%
Number of daily rates quoted 6 6 3
City of London median daily rate £538 £550 £450
Median daily rate % change year-on-year -2.27% +22.22% +5.88%
10th Percentile £385 £520 £411
90th Percentile £599 £575 £505
Central London median daily rate £538 £550 £450
% change year-on-year -2.27% +22.22% -5.26%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

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

All System Software Skills
City of London
Contract vacancies with a requirement for system software skills 943 1,226 854
As % of all contract IT jobs advertised in the City of London 16.14% 17.32% 11.94%
Number of daily rates quoted 762 980 693
City of London median daily rate £513 £500 £490
Median daily rate % change year-on-year +2.50% +2.04% +8.89%
10th Percentile £213 £162 £214
90th Percentile £650 £650 £662
Central London median daily rate £500 £513 £483
% change year-on-year -2.44% +6.22% +7.22%
Number of hourly rates quoted 21 37 22
City of London median hourly rate £20.00 £19.25 £17.00
Median hourly rate % change year-on-year +3.90% +13.24% -12.82%
10th Percentile £12.76 £13.73 £10.60
90th Percentile £31.50 £25.50 £27.33
Central London median hourly rate £20.00 £19.25 £17.00
% change year-on-year +3.90% +13.24% -10.53%

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
Contractor Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Varnish in the City of London.

Contractor daily rate trend for Varnish in the City of London

Varnish
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Varnish in the City of London over the 6 months to 21 November 2019.

Contractor daily rate histogram for Varnish in the City of London

For the 6 months to 21 November 2019, IT contractor jobs citing Varnish also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the City of London region with a requirement for Varnish.

1 5 (83.33%) Linux
2 4 (66.67%) MVC
2 4 (66.67%) Scrum
2 4 (66.67%) MySQL
2 4 (66.67%) TDD
2 4 (66.67%) JIRA
2 4 (66.67%) Symfony
2 4 (66.67%) AWS
2 4 (66.67%) Node.js
2 4 (66.67%) Laravel
2 4 (66.67%) Jenkins
2 4 (66.67%) AngularJS
3 3 (50.00%) Express
3 3 (50.00%) TypeScript
3 3 (50.00%) Docker
3 3 (50.00%) AWS Lambda
3 3 (50.00%) Amazon DynamoDB
3 3 (50.00%) Jasmine
3 3 (50.00%) MariaDB
3 3 (50.00%) Amazon SQS
3 3 (50.00%) CloudFront
3 3 (50.00%) Git (software)
3 3 (50.00%) RESTful
3 3 (50.00%) Confluence
3 3 (50.00%) Mocha
3 3 (50.00%) BDD
3 3 (50.00%) PHP
3 3 (50.00%) VCL
3 3 (50.00%) Migration
3 3 (50.00%) Chai

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 3 (50.00%) Confluence
2 2 (33.33%) nginx
3 1 (16.67%) Apache
3 1 (16.67%) Apache Solr
3 1 (16.67%) CMS
3 1 (16.67%) Drupal
3 1 (16.67%) Elasticsearch
Cloud Services
1 4 (66.67%) AWS
2 3 (50.00%) Amazon ECS
2 3 (50.00%) Amazon SQS
2 3 (50.00%) AWS Lambda
2 3 (50.00%) CloudFront
2 3 (50.00%) Serverless
3 2 (33.33%) GitHub
4 1 (16.67%) Fastly
4 1 (16.67%) Slack
4 1 (16.67%) Trello
Database & Business Intelligence
1 4 (66.67%) MySQL
2 3 (50.00%) Amazon DynamoDB
2 3 (50.00%) MariaDB
3 1 (16.67%) NoSQL
3 1 (16.67%) PostgreSQL
3 1 (16.67%) Redis
Development Applications
1 4 (66.67%) Jenkins
1 4 (66.67%) JIRA
2 3 (50.00%) Git (software)
2 3 (50.00%) Jasmine
2 3 (50.00%) Mocha
3 2 (33.33%) Vagrant
4 1 (16.67%) Bitbucket
Job Titles
1 5 (83.33%) Developer
2 3 (50.00%) Node.js Developer
3 1 (16.67%) .NET Developer
3 1 (16.67%) DevOps Engineer
3 1 (16.67%) Digital Developer
3 1 (16.67%) Drupal Developer
Libraries, Frameworks & Software Standards
1 4 (66.67%) AngularJS
1 4 (66.67%) Laravel
1 4 (66.67%) Node.js
1 4 (66.67%) Symfony
2 3 (50.00%) Chai
2 3 (50.00%) Express
2 3 (50.00%) Jest
2 3 (50.00%) RESTful
2 3 (50.00%) VCL
3 1 (16.67%) .NET
3 1 (16.67%) .NET Core
3 1 (16.67%) RabbitMQ
3 1 (16.67%) React
3 1 (16.67%) REST
3 1 (16.67%) Sensu
3 1 (16.67%) SOAP
3 1 (16.67%) Web Services
Miscellaneous
1 1 (16.67%) Greenfield Project
Operating Systems
1 5 (83.33%) Linux
2 1 (16.67%) CentOS
Processes & Methodologies
1 4 (66.67%) MVC
1 4 (66.67%) Scrum
1 4 (66.67%) TDD
2 3 (50.00%) BDD
2 3 (50.00%) Migration
3 2 (33.33%) DevOps
3 2 (33.33%) Microservices
4 1 (16.67%) Agile Software Development
4 1 (16.67%) Architectural Design
4 1 (16.67%) B2B
4 1 (16.67%) Kaizen
4 1 (16.67%) Open Source
4 1 (16.67%) Project Management
4 1 (16.67%) Refactoring
4 1 (16.67%) SOLID
4 1 (16.67%) Test Automation
Programming Languages
1 3 (50.00%) PHP
1 3 (50.00%) TypeScript
2 2 (33.33%) JavaScript
3 1 (16.67%) C#
3 1 (16.67%) Python
3 1 (16.67%) Ruby
System Software
1 3 (50.00%) Docker
Systems Management
1 1 (16.67%) Consul
1 1 (16.67%) Grafana
1 1 (16.67%) Graphite
1 1 (16.67%) HAProxy
1 1 (16.67%) Packer
1 1 (16.67%) Puppet
1 1 (16.67%) Terraform