The following table provides summary statistics for contract job vacancies advertised in Cardiff with a requirement for Perl skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Perl over the 3 months to 23 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.

Perl
South Wales / Cardiff
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 37 19 16
Rank change year-on-year -18 -3  
Contract jobs citing Perl 2 20 29
As % of all contract IT jobs advertised in Cardiff 0.62% 6.90% 8.81%
As % of the Programming Languages category 1.82% 12.90% 18.24%
Number of daily rates quoted 1 16 28
Median daily rate £500 £383 £363
Median daily rate % change year-on-year +30.71% +5.44%  
UK excluding London median daily rate £425 £400 £375
% change year-on-year +6.25% +6.66%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £42.50 £38.50 £37.50
% change year-on-year +10.38% +2.66%  

Perl 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 Cardiff with a requirement for programming language skills.

Contract Programming Language Skills
Cardiff
Contract job vacancies with a requirement for programming language skills 110 155 159
As % of all contract IT job vacancies advertised in Cardiff 34.27% 53.45% 48.33%
Number of daily rates quoted 86 112 123
Median daily rate £363 £375 £350
Median daily rate % change year-on-year -3.33% +7.14%  
90% offered a daily rate of more than £315 £215 £200
10% offered a daily rate of more than £450 £475 £425
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 5 2 4
Median hourly rate £35.00 £16.56 £16.38
Median hourly rate % change year-on-year +111.32% +1.14%  
90% offered a hourly rate of more than £14.30 £14.11 £15.08
10% offered a hourly rate of more than £36.50 £19.01 £17.50
UK excluding London median hourly rate £42.50 £37.50 £36.50
% change year-on-year +13.33% +2.73%  

Perl
Job Vacancy Trend in Cardiff

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

Job vacancy trend for Perl in Cardiff

Perl
Contractor Daily Rate Trend in Cardiff

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

Contractor daily rate trend for Perl in Cardiff

For the 6 months to 23 June 2017, IT contractor jobs citing Perl 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 Cardiff region with a requirement for Perl.

1 6 (100.00%) Oracle
2 5 (83.33%) Agile Software Development
2 5 (83.33%) JIRA
3 4 (66.67%) Continuous Integration
3 4 (66.67%) Configuration Management
3 4 (66.67%) Linux
3 4 (66.67%) TCP/IP
3 4 (66.67%) DNS
3 4 (66.67%) Jenkins
3 4 (66.67%) DevOps
4 3 (50.00%) Ansible
4 3 (50.00%) iptables
4 3 (50.00%) Confluence
4 3 (50.00%) tcpdump
4 3 (50.00%) Puppet
4 3 (50.00%) Hudson
4 3 (50.00%) Server Hardening
4 3 (50.00%) Continuous Delivery
4 3 (50.00%) Red Hat
4 3 (50.00%) Java
4 3 (50.00%) Ant
4 3 (50.00%) Thunderhead
4 3 (50.00%) Red Hat Enterprise Linux
4 3 (50.00%) Maven
5 2 (33.33%) Business Analysis
5 2 (33.33%) Git (software)
5 2 (33.33%) Scrum
5 2 (33.33%) SQL
5 2 (33.33%) UML
5 2 (33.33%) XML

Perl
Co-occurring IT Skills in Cardiff 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%) Oracle SOA Suite
3 1 (16.67%) Apache
3 1 (16.67%) Elasticsearch
3 1 (16.67%) IIS
3 1 (16.67%) Jetty
3 1 (16.67%) Mongrel
3 1 (16.67%) nginx
3 1 (16.67%) Oracle HTTP Server
3 1 (16.67%) Tomcat
3 1 (16.67%) WebLogic
3 1 (16.67%) WebSphere
Business Applications
1 1 (16.67%) Remedy ITSM
Cloud Services
1 2 (33.33%) GitHub
2 1 (16.67%) Amazon AWS
2 1 (16.67%) Amazon CloudWatch
2 1 (16.67%) Amazon EC2
2 1 (16.67%) Amazon ElastiCache
2 1 (16.67%) Amazon ELB
2 1 (16.67%) Amazon S3
2 1 (16.67%) Google App Engine
2 1 (16.67%) Google Cloud Platform
2 1 (16.67%) Route 53
2 1 (16.67%) Virtual Private Cloud
Communications & Networking
1 4 (66.67%) DNS
1 4 (66.67%) TCP/IP
2 3 (50.00%) tcpdump
3 1 (16.67%) DHCP
3 1 (16.67%) DSL
3 1 (16.67%) FTP
3 1 (16.67%) HTTP
3 1 (16.67%) IPsec
3 1 (16.67%) LDAP
3 1 (16.67%) SSH
3 1 (16.67%) SSL
Database & Business Intelligence
1 1 (16.67%) Amazon DynamoDB
1 1 (16.67%) MongoDB
1 1 (16.67%) PowerCenter
1 1 (16.67%) SQL Server
Development Applications
1 5 (83.33%) JIRA
2 4 (66.67%) Jenkins
3 3 (50.00%) Ant
3 3 (50.00%) Hudson
3 3 (50.00%) Maven
4 2 (33.33%) Git (software)
4 2 (33.33%) Gradle
5 1 (16.67%) Cucumber
5 1 (16.67%) NuGet
5 1 (16.67%) Selenium
5 1 (16.67%) Subversion
5 1 (16.67%) Travis CI
5 1 (16.67%) Vagrant
5 1 (16.67%) WebDriver
General
1 1 (16.67%) Finance
Job Titles
1 3 (50.00%) DevOps Engineer
2 2 (33.33%) Analyst
2 2 (33.33%) Business Analyst
3 1 (16.67%) JIRA Engineer
3 1 (16.67%) Senior Analyst
3 1 (16.67%) Senior Business Analyst
Libraries, Frameworks & Software Standards
1 2 (33.33%) XML
2 1 (16.67%) .NET
2 1 (16.67%) .NET Framework
2 1 (16.67%) Hibernate
2 1 (16.67%) J2EE
2 1 (16.67%) Java EE
2 1 (16.67%) Kafka
2 1 (16.67%) Servlets
2 1 (16.67%) Spring
2 1 (16.67%) Spring MVC
Miscellaneous
1 1 (16.67%) Management Information System
Operating Systems
1 4 (66.67%) Linux
2 3 (50.00%) Red Hat Enterprise Linux
Processes & Methodologies
1 5 (83.33%) Agile Software Development
2 4 (66.67%) Configuration Management
2 4 (66.67%) Continuous Integration
2 4 (66.67%) DevOps
3 3 (50.00%) Continuous Delivery
3 3 (50.00%) Server Hardening
4 2 (33.33%) Business Analysis
4 2 (33.33%) PRINCE2
4 2 (33.33%) Scrum
4 2 (33.33%) SOA
4 2 (33.33%) UML
4 2 (33.33%) Use Case
4 2 (33.33%) User Stories
4 2 (33.33%) Waterfall
5 1 (16.67%) Identity Management
5 1 (16.67%) Mentoring
5 1 (16.67%) MVC
5 1 (16.67%) Open Source
Programming Languages
1 3 (50.00%) Java
2 2 (33.33%) PowerShell
2 2 (33.33%) SQL
3 1 (16.67%) JavaScript
3 1 (16.67%) JCL
Qualifications
1 1 (16.67%) CBAP
1 1 (16.67%) ISEB
System Software
1 3 (50.00%) iptables
2 1 (16.67%) Docker
2 1 (16.67%) NFS
2 1 (16.67%) VMware Infrastructure
2 1 (16.67%) Xen
Systems Management
1 3 (50.00%) Ansible
1 3 (50.00%) Puppet
2 2 (33.33%) HP Quality Center
3 1 (16.67%) Control-M
3 1 (16.67%) Fluentd
3 1 (16.67%) Grafana
3 1 (16.67%) Kibana
3 1 (16.67%) Marathon
3 1 (16.67%) Mesos
3 1 (16.67%) Prometheus
3 1 (16.67%) Rundeck
3 1 (16.67%) Terraform
Vendors
1 6 (100.00%) Oracle
2 3 (50.00%) Red Hat
2 3 (50.00%) Thunderhead
3 2 (33.33%) HP
4 1 (16.67%) BMC
4 1 (16.67%) Google
4 1 (16.67%) Informatica
4 1 (16.67%) Micro Focus
4 1 (16.67%) Microsoft
4 1 (16.67%) Remedy
4 1 (16.67%) VMware