The following table provides summary statistics for contract job vacancies advertised in London with a requirement for CPAN skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited CPAN over the 3 months to 22 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.

Comprehensive Perl Archive Network (CPAN)
England / London
3 months to
22 Jun 2017
Same period 2016 Same period 2015
Rank 409 426 417
Rank change year-on-year +17 -9  
Contract jobs citing CPAN 7 5 11
As % of all contract IT jobs advertised in London 0.034% 0.023% 0.047%
As % of the Libraries, Frameworks & Software Standards category 0.094% 0.071% 0.15%
Number of daily rates quoted 7 4 8
Median daily rate £425 £425 £413
Median daily rate % change year-on-year - +3.03%  
UK excluding London median daily rate £463 - -
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

CPAN is in the industry standards, technical specifications and software library and framework skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in London with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
London
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 7464 7033 7352
As % of all contract IT job vacancies advertised in London 36.00% 32.40% 31.34%
Number of daily rates quoted 5536 5401 5349
Median daily rate £485 £450 £425
Median daily rate % change year-on-year +7.77% +5.88%  
90% offered a daily rate of more than £350 £325 £310
10% offered a daily rate of more than £600 £600 £575
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 59 24 51
Median hourly rate £30.00 £40.00 £22.50
Median hourly rate % change year-on-year -25.00% +77.77%  
90% offered a hourly rate of more than £16.00 £20.00 £16.17
10% offered a hourly rate of more than £55.00 £190.00 £60.00
UK excluding London median hourly rate £42.50 £36.00 £38.89
% change year-on-year +18.05% -7.41%  

CPAN
Job Vacancy Trend in London

The job posting trend of jobs advertised in London citing CPAN as a proportion of all contract or permanent IT jobs with a match in the Libraries, Frameworks & Software Standards category.

Job vacancy trend for CPAN in London

CPAN
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for CPAN in London

For the 6 months to 22 June 2017, IT contractor jobs citing CPAN 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 London region with a requirement for CPAN.

1 24 (100.00%) Perl
1 24 (100.00%) Linux
1 24 (100.00%) Agile Software Development
1 24 (100.00%) PostgreSQL
1 24 (100.00%) Catalyst
1 24 (100.00%) Moose
2 18 (75.00%) Plack
2 18 (75.00%) DBIx::Class
3 17 (70.83%) E-Commerce
4 13 (54.17%) SQL
4 13 (54.17%) TDD
4 13 (54.17%) ActiveMQ
4 13 (54.17%) RDBMS
4 13 (54.17%) Scrum
4 13 (54.17%) Refactoring
4 13 (54.17%) Kanban
4 13 (54.17%) Git (software)
4 13 (54.17%) Scala
4 13 (54.17%) Jenkins
4 13 (54.17%) Relational Database
4 13 (54.17%) High Availability
4 13 (54.17%) OpenStack
4 13 (54.17%) Continuous Delivery
5 12 (50.00%) Mentoring
5 12 (50.00%) Cucumber
5 12 (50.00%) Apache Flex
5 12 (50.00%) jQuery
5 12 (50.00%) JavaScript
5 12 (50.00%) Ruby
5 12 (50.00%) SOA

CPAN
Co-occurring 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 13 (54.17%) OpenStack
Communications & Networking
1 12 (50.00%) HTTP
Database & Business Intelligence
1 24 (100.00%) PostgreSQL
2 13 (54.17%) RDBMS
2 13 (54.17%) Relational Database
3 7 (29.17%) MySQL
Development Applications
1 13 (54.17%) Git (software)
1 13 (54.17%) Jenkins
2 12 (50.00%) Cucumber
Job Titles
1 24 (100.00%) Developer
1 24 (100.00%) Perl Developer
2 13 (54.17%) E-Commerce Developer
3 12 (50.00%) Scala Developer
Libraries, Frameworks & Software Standards
1 24 (100.00%) Catalyst
1 24 (100.00%) Moose
2 18 (75.00%) DBIx::Class
2 18 (75.00%) Plack
3 13 (54.17%) ActiveMQ
4 12 (50.00%) Apache Flex
4 12 (50.00%) jQuery
5 7 (29.17%) JSON
6 6 (25.00%) Ajax
6 6 (25.00%) CSS
6 6 (25.00%) Dancer
6 6 (25.00%) HTML
6 6 (25.00%) mod_perl
6 6 (25.00%) Mojolicious
6 6 (25.00%) XML
7 1 (4.17%) Node.js
Miscellaneous
1 1 (4.17%) Greenfield Project
Operating Systems
1 24 (100.00%) Linux
Processes & Methodologies
1 24 (100.00%) Agile Software Development
2 17 (70.83%) E-Commerce
3 13 (54.17%) Continuous Delivery
3 13 (54.17%) High Availability
3 13 (54.17%) Kanban
3 13 (54.17%) Refactoring
3 13 (54.17%) Scrum
3 13 (54.17%) TDD
4 12 (50.00%) Mentoring
4 12 (50.00%) SOA
5 1 (4.17%) DevOps
5 1 (4.17%) Test Automation
Programming Languages
1 24 (100.00%) Perl
2 13 (54.17%) Scala
2 13 (54.17%) SQL
3 12 (50.00%) JavaScript
3 12 (50.00%) Ruby
4 6 (25.00%) Java