Period
to 22 January 2018

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 22 January 2018 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
22 Jan 2018
Same period 2017 Same period 2016
Rank 240 - 229
Rank change year-on-year - +229 +60
Contract jobs citing Varnish 4 0 4
As % of all contract IT jobs advertised in the City of London 0.057% - 0.057%
As % of the System Software category 0.45% - 0.58%
Number of daily rates quoted 3 0 4
City of London median daily rate £450 - £425
10th Percentile £411 - £348
90th Percentile £505 - £438
Central London median daily rate £450 - £425
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 886 631 685
As % of all contract IT jobs advertised in the City of London 12.53% 10.32% 9.72%
Number of daily rates quoted 697 489 534
City of London median daily rate £500 £450 £425
Median daily rate % change year-on-year +11.11% +5.88% +7.59%
10th Percentile £255 £218 £203
90th Percentile £657 £638 £638
Central London median daily rate £485 £450 £425
% change year-on-year +7.78% +5.88% +9.68%
Number of hourly rates quoted 25 22 20
City of London median hourly rate £15.50 £23.88 £17.50
Median hourly rate % change year-on-year -35.08% +36.43% +0.72%
10th Percentile £10.35 £14.10 £12.18
90th Percentile £26.80 £95.50 £30.88
Central London median hourly rate £15.50 £21.75 £17.00
% change year-on-year -28.74% +27.94% +6.25%

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

For the 6 months to 22 January 2018, IT contractor jobs citing Varnish also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the City of London region with a requirement for Varnish.

1 4 (100.00%) C++
1 4 (100.00%) Java
1 4 (100.00%) JavaScript
1 4 (100.00%) Linux
1 4 (100.00%) Python
1 4 (100.00%) Continuous Integration
1 4 (100.00%) Amazon AWS
1 4 (100.00%) RabbitMQ
1 4 (100.00%) Redis
1 4 (100.00%) Kafka
1 4 (100.00%) Jenkins
1 4 (100.00%) ZeroMQ
1 4 (100.00%) Grunt
1 4 (100.00%) Flask
1 4 (100.00%) React
1 4 (100.00%) gulp
1 4 (100.00%) ES6
1 4 (100.00%) Redux
2 3 (75.00%) Terraform
2 3 (75.00%) etcd
2 3 (75.00%) Consul
2 3 (75.00%) DevOps
2 3 (75.00%) Data Structures
2 3 (75.00%) Algorithms
2 3 (75.00%) AWS CloudFormation
2 3 (75.00%) Machine Learning
2 3 (75.00%) Build Automation
2 3 (75.00%) Apache ZooKeeper
2 3 (75.00%) Web Services
3 1 (25.00%) Finance

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:

Cloud Services
1 4 (100.00%) Amazon AWS
2 3 (75.00%) AWS CloudFormation
Database & Business Intelligence
1 4 (100.00%) Redis
Development Applications
1 4 (100.00%) Grunt
1 4 (100.00%) gulp
1 4 (100.00%) Jenkins
General
1 1 (25.00%) Finance
Job Titles
1 3 (75.00%) Developer
1 3 (75.00%) Full Stack Developer
2 1 (25.00%) Cloud Developer
2 1 (25.00%) DevOps Developer
2 1 (25.00%) DevOps Engineer
2 1 (25.00%) JavaScript Developer
2 1 (25.00%) Python Developer
Libraries, Frameworks & Software Standards
1 4 (100.00%) Flask
1 4 (100.00%) Kafka
1 4 (100.00%) RabbitMQ
1 4 (100.00%) React
1 4 (100.00%) Redux
1 4 (100.00%) ZeroMQ
2 3 (75.00%) Web Services
Miscellaneous
1 3 (75.00%) Algorithms
1 3 (75.00%) Data Structures
Operating Systems
1 4 (100.00%) Linux
Processes & Methodologies
1 4 (100.00%) Continuous Integration
2 3 (75.00%) Build Automation
2 3 (75.00%) DevOps
2 3 (75.00%) Machine Learning
Programming Languages
1 4 (100.00%) C++
1 4 (100.00%) ES6
1 4 (100.00%) Java
1 4 (100.00%) JavaScript
1 4 (100.00%) Python
System Software
1 3 (75.00%) Apache ZooKeeper
1 3 (75.00%) etcd
Systems Management
1 3 (75.00%) Consul
1 3 (75.00%) Terraform