The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Clojure skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Clojure over the 3 months to 27 June 2017 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.

Clojure
London / City of London
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 160 146 197
Rank change year-on-year -14 +51  
Contract jobs citing Clojure 4 17 4
As % of all contract IT jobs advertised in the City of London 0.12% 0.50% 0.070%
As % of the Programming Languages category 0.24% 1.04% 0.16%
Number of daily rates quoted 4 17 3
Median daily rate £563 £525 £425
Median daily rate % change year-on-year +7.14% +23.52%  
UK excluding London median daily rate £400 £500 £325
% change year-on-year -20.00% +53.84%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

Clojure is in the programming language skills category. The next 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 programming language skills.

Contract Programming Language Skills
City of London
Contract job vacancies with a requirement for programming language skills 1696 1640 2471
As % of all contract IT job vacancies advertised in the City of London 51.33% 48.42% 43.06%
Number of daily rates quoted 1361 1401 2034
Median daily rate £513 £475 £470
Median daily rate % change year-on-year +7.89% +1.06%  
90% offered a daily rate of more than £375 £325 £320
10% offered a daily rate of more than £650 £625 £625
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 4 4 22
Median hourly rate £21.50 £53.00 £24.23
Median hourly rate % change year-on-year -59.43% +118.73%  
90% offered a hourly rate of more than £16.25 £19.00 £19.72
10% offered a hourly rate of more than £31.25 £80.00 £54.00
UK excluding London median hourly rate £42.50 £37.50 £37.00
% change year-on-year +13.33% +1.35%  

Clojure
Job Vacancy Trend in the City of London

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

Job vacancy trend for Clojure in the City of London

Clojure
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 Clojure in the City of London.

Contractor daily rate trend for Clojure in the City of London

For the 6 months to 27 June 2017, IT contractor jobs citing Clojure 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 Clojure.

1 5 (100.00%) Agile Software Development
2 3 (60.00%) Software Engineering
2 3 (60.00%) Ruby
2 3 (60.00%) JavaScript
2 3 (60.00%) TDD
2 3 (60.00%) BDD
2 3 (60.00%) Docker
3 2 (40.00%) DevOps
3 2 (40.00%) Test Automation
3 2 (40.00%) Go
3 2 (40.00%) Kubernetes
3 2 (40.00%) Functional Programming
3 2 (40.00%) Puppet
3 2 (40.00%) Spring
3 2 (40.00%) Haskell
3 2 (40.00%) Scala
3 2 (40.00%) Java
3 2 (40.00%) E-Commerce
3 2 (40.00%) Ruby on Rails
4 1 (20.00%) JMeter
4 1 (20.00%) Hibernate
4 1 (20.00%) JSON
4 1 (20.00%) HTML
4 1 (20.00%) J2EE
4 1 (20.00%) CSS
4 1 (20.00%) Web Services
4 1 (20.00%) Linux
4 1 (20.00%) Tomcat
4 1 (20.00%) Amazon EC2
4 1 (20.00%) Amazon AWS

Clojure
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 1 (20.00%) Elasticsearch
1 1 (20.00%) Tomcat
Cloud Services
1 1 (20.00%) Amazon AWS
1 1 (20.00%) Amazon EC2
Database & Business Intelligence
1 1 (20.00%) InfluxDB
Development Applications
1 1 (20.00%) JMeter
Job Titles
1 4 (80.00%) Developer
2 2 (40.00%) AWS Developer
2 2 (40.00%) Java Developer
2 2 (40.00%) Ruby Developer
3 1 (20.00%) Agile Developer
3 1 (20.00%) Agile Java Developer
3 1 (20.00%) Developer/Software Engineer
3 1 (20.00%) DevOps Engineer
3 1 (20.00%) Java Engineer
3 1 (20.00%) Java Software Developer
3 1 (20.00%) Java Software Engineer
3 1 (20.00%) Software Engineer
Libraries, Frameworks & Software Standards
1 2 (40.00%) Ruby on Rails
1 2 (40.00%) Spring
2 1 (20.00%) Apache Wicket
2 1 (20.00%) CSS
2 1 (20.00%) CSS3
2 1 (20.00%) Elastic Stack
2 1 (20.00%) Hibernate
2 1 (20.00%) HTML
2 1 (20.00%) HTML5
2 1 (20.00%) J2EE
2 1 (20.00%) JSON
2 1 (20.00%) Kafka
2 1 (20.00%) Node.js
2 1 (20.00%) REST
2 1 (20.00%) RESTful
2 1 (20.00%) Spring Boot
2 1 (20.00%) Twitter Bootstrap
2 1 (20.00%) Web Services
Miscellaneous
1 1 (20.00%) Data Structures
1 1 (20.00%) Greenfield Project
1 1 (20.00%) Linux Command Line
Operating Systems
1 1 (20.00%) Linux
Processes & Methodologies
1 5 (100.00%) Agile Software Development
2 3 (60.00%) BDD
2 3 (60.00%) Software Engineering
2 3 (60.00%) TDD
3 2 (40.00%) DevOps
3 2 (40.00%) E-Commerce
3 2 (40.00%) Functional Programming
3 2 (40.00%) Test Automation
4 1 (20.00%) Concurrent Programming
4 1 (20.00%) Loose Coupling
4 1 (20.00%) Mentoring
4 1 (20.00%) Microservices
4 1 (20.00%) Performance Analysis
Programming Languages
1 3 (60.00%) JavaScript
1 3 (60.00%) Ruby
2 2 (40.00%) Go
2 2 (40.00%) Haskell
2 2 (40.00%) Java
2 2 (40.00%) Scala
System Software
1 3 (60.00%) Docker
Systems Management
1 2 (40.00%) Kubernetes
1 2 (40.00%) Puppet
2 1 (20.00%) Kibana
2 1 (20.00%) logstash
2 1 (20.00%) Terraform