The following table provides summary statistics for contract job vacancies advertised in the City of London 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 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.

Perl
London / City of London
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 105 78 103
Rank change year-on-year -27 +25  
Contract jobs citing Perl 59 91 101
As % of all contract IT jobs advertised in the City of London 1.79% 2.69% 1.76%
As % of the Programming Languages category 3.48% 5.55% 4.09%
Number of daily rates quoted 50 83 78
Median daily rate £548 £525 £475
Median daily rate % change year-on-year +4.28% +10.52%  
90% offered a daily rate of more than £416 £336 £307
10% offered a daily rate of more than £650 £650 £600
UK excluding London median daily rate £425 £400 £375
% change year-on-year +6.25% +6.66%  
Number of hourly rates quoted 0 0 1
Median hourly rate - - £21.30
UK excluding London median hourly rate £42.50 £39.25 £37.50
% change year-on-year +8.28% +4.66%  

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 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%  

Perl
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London 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 the City of London

Perl
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 Perl in the City of London.

Contractor daily rate trend for Perl in the City of London

Perl
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Perl in the City of London over the 3 months to 27 June 2017.

Contractor daily rate histogram for Perl in the City of London

Perl
Contractor Hourly Rate Trend in the City of London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Perl in the City of London.

Contractor hourly rate trend for Perl in the City of London

For the 6 months to 27 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 City of London region with a requirement for Perl.

1 92 (74.80%) Python
2 83 (67.48%) Linux
3 54 (43.90%) Unix
4 52 (42.28%) Finance
5 50 (40.65%) Bash Shell
5 50 (40.65%) DevOps
6 39 (31.71%) Java
7 34 (27.64%) Banking
8 31 (25.20%) Ansible
8 31 (25.20%) Puppet
9 29 (23.58%) Ruby
10 28 (22.76%) Amazon AWS
11 27 (21.95%) Windows
12 24 (19.51%) SQL
12 24 (19.51%) PowerShell
13 22 (17.89%) Opscode Chef
14 21 (17.07%) Jenkins
14 21 (17.07%) Red Hat Enterprise Linux
14 21 (17.07%) Oracle
14 21 (17.07%) TCP/IP
15 20 (16.26%) Continuous Integration
15 20 (16.26%) Agile Software Development
15 20 (16.26%) CentOS
15 20 (16.26%) Git (software)
16 18 (14.63%) Docker
17 16 (13.01%) C++
18 15 (12.20%) Tomcat
18 15 (12.20%) Red Hat
19 14 (11.38%) Firewall
19 14 (11.38%) Apache

Perl
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 15 (12.20%) Tomcat
2 14 (11.38%) Apache
3 9 (7.32%) JBoss
4 8 (6.50%) nginx
5 7 (5.69%) IIS
6 4 (3.25%) Confluence
6 4 (3.25%) Jetty
6 4 (3.25%) WebSphere
7 2 (1.63%) OpenStack
7 2 (1.63%) WebLogic
8 1 (0.81%) Apache Pig
8 1 (0.81%) CMS
8 1 (0.81%) Oracle Coherence
Business Applications
1 4 (3.25%) SimCorp Dimension
2 1 (0.81%) RMDS
Cloud Services
1 28 (22.76%) Amazon AWS
2 9 (7.32%) Amazon EMR
3 8 (6.50%) Virtual Private Cloud
4 7 (5.69%) Microsoft Azure
5 4 (3.25%) Akamai
5 4 (3.25%) Cloud Computing
6 2 (1.63%) Amazon EC2
6 2 (1.63%) OpenShift
6 2 (1.63%) PaaS
6 2 (1.63%) SaaS
7 1 (0.81%) Amazon Kinesis
7 1 (0.81%) Amazon SQS
7 1 (0.81%) AWS CloudFormation
7 1 (0.81%) AWS Elastic Beanstalk
7 1 (0.81%) AWS Lambda
7 1 (0.81%) GitHub
Communications & Networking
1 21 (17.07%) TCP/IP
2 14 (11.38%) Firewall
3 11 (8.94%) SAN
4 8 (6.50%) DNS
5 7 (5.69%) NAS
6 6 (4.88%) LDAP
6 6 (4.88%) SNMP
7 5 (4.07%) DHCP
7 5 (4.07%) SMTP
7 5 (4.07%) SSL
8 3 (2.44%) Cisco Nexus
8 3 (2.44%) Ethernet
8 3 (2.44%) Multicast
8 3 (2.44%) Wi-Fi
9 2 (1.63%) BGP
9 2 (1.63%) EIGRP
10 1 (0.81%) DMZ
10 1 (0.81%) HTTP
10 1 (0.81%) LAN
10 1 (0.81%) OSPF
Database & Business Intelligence
1 12 (9.76%) Big Data
1 12 (9.76%) Hadoop
1 12 (9.76%) MySQL
2 10 (8.13%) Apache Hive
3 6 (4.88%) PostgreSQL
3 6 (4.88%) SQL Server
4 4 (3.25%) KDB
4 4 (3.25%) Oracle Database
5 3 (2.44%) MariaDB
5 3 (2.44%) RDBMS
5 3 (2.44%) Relational Database
6 2 (1.63%) Squirro
7 1 (0.81%) Amazon DynamoDB
7 1 (0.81%) Amazon RDS
7 1 (0.81%) Apache Cassandra
7 1 (0.81%) Data Warehouse
7 1 (0.81%) HBase
7 1 (0.81%) Kdb+
7 1 (0.81%) Oracle ODI
7 1 (0.81%) Sqoop
Development Applications
1 21 (17.07%) Jenkins
2 20 (16.26%) Git (software)
3 10 (8.13%) Subversion
4 9 (7.32%) Team Foundation Server
5 7 (5.69%) JIRA
6 3 (2.44%) Maven
7 2 (1.63%) Hudson
7 2 (1.63%) Sonatype Nexus
7 2 (1.63%) TeamCity
8 1 (0.81%) Bitbucket
8 1 (0.81%) GDB
8 1 (0.81%) GoCD
8 1 (0.81%) Grunt
8 1 (0.81%) JUnit
8 1 (0.81%) MSI
8 1 (0.81%) Octopus Deploy
8 1 (0.81%) Oracle APEX
8 1 (0.81%) Xcode
General
1 52 (42.28%) Finance
2 34 (27.64%) Banking
3 13 (10.57%) Investment Banking
4 8 (6.50%) Front Office
5 7 (5.69%) Financial Institution
5 7 (5.69%) Retail
6 5 (4.07%) Telecoms
7 4 (3.25%) Games
8 3 (2.44%) Retail Banking
9 2 (1.63%) Private Banking
Job Titles
1 41 (33.33%) DevOps Engineer
2 24 (19.51%) Developer
3 14 (11.38%) Linux/Unix DevOps
4 13 (10.57%) AWS DevOps
4 13 (10.57%) Linux Engineer
5 11 (8.94%) Analyst
5 11 (8.94%) AWS DevOps Engineer
5 11 (8.94%) AWS Engineer
6 9 (7.32%) DevOps Specialist
6 9 (7.32%) Unix Engineer
7 7 (5.69%) Perl Developer
7 7 (5.69%) Support Analyst
8 6 (4.88%) Administrator
8 6 (4.88%) Java Engineer
8 6 (4.88%) Linux DevOps Engineer
9 5 (4.07%) Consultant
9 5 (4.07%) DBA
9 5 (4.07%) Python Developer
9 5 (4.07%) Unix Analyst
9 5 (4.07%) Unix Support
Libraries, Frameworks & Software Standards
1 14 (11.38%) .NET
2 13 (10.57%) SOAP
3 11 (8.94%) XML
4 9 (7.32%) Kafka
4 9 (7.32%) LAMP
5 7 (5.69%) REST
6 5 (4.07%) LAPP Stack
6 5 (4.07%) XSL
7 4 (3.25%) J2EE
7 4 (3.25%) LEMP Stack
7 4 (3.25%) Servlets
8 3 (2.44%) Boost C++ Libraries
8 3 (2.44%) Middleware
8 3 (2.44%) Web Services
8 3 (2.44%) WebSphere MQ
9 2 (1.63%) COM
9 2 (1.63%) HTML
9 2 (1.63%) JMS
9 2 (1.63%) RESTful
9 2 (1.63%) XSLT
Miscellaneous
1 14 (11.38%) Analytical Skills
2 11 (8.94%) Fintech
3 7 (5.69%) Clustering
4 6 (4.88%) Derivative
4 6 (4.88%) Fixed Income
5 5 (4.07%) Data Centre
5 5 (4.07%) Greenfield Project
6 4 (3.25%) Computer Science
6 4 (3.25%) Foreign Exchange (FX)
7 3 (2.44%) Equities
7 3 (2.44%) Management Information System
7 3 (2.44%) Public Cloud
8 2 (1.63%) Cloud Native
8 2 (1.63%) Enterprise Storage
8 2 (1.63%) Linux Command Line
8 2 (1.63%) User Experience
9 1 (0.81%) Data Structures
9 1 (0.81%) Enterprise Software
9 1 (0.81%) Mobile App
9 1 (0.81%) Social Media
Operating Systems
1 83 (67.48%) Linux
2 54 (43.90%) Unix
3 27 (21.95%) Windows
4 21 (17.07%) Red Hat Enterprise Linux
5 20 (16.26%) CentOS
6 14 (11.38%) Solaris
7 8 (6.50%) Ubuntu
8 2 (1.63%) Data ONTAP
9 1 (0.81%) Apple iOS
9 1 (0.81%) SUSE Linux Enterprise Server
9 1 (0.81%) Windows Server
9 1 (0.81%) Windows Server 2003
9 1 (0.81%) Windows Server 2008
Processes & Methodologies
1 50 (40.65%) DevOps
2 20 (16.26%) Agile Software Development
2 20 (16.26%) Continuous Integration
3 13 (10.57%) Continuous Delivery
4 12 (9.76%) Low Latency
5 11 (8.94%) Build Automation
5 11 (8.94%) Configuration Management
5 11 (8.94%) E-Commerce
6 10 (8.13%) Data Management
6 10 (8.13%) Performance Monitoring
7 9 (7.32%) Performance Tuning
8 8 (6.50%) SIEM
9 7 (5.69%) Electronic Trading
9 7 (5.69%) ITIL
9 7 (5.69%) SDLC
10 6 (4.88%) Asset Management
10 6 (4.88%) Investment Management
10 6 (4.88%) Load Balancing
10 6 (4.88%) Project Management
10 6 (4.88%) Release Management
Programming Languages
1 92 (74.80%) Python
2 50 (40.65%) Bash Shell
3 39 (31.71%) Java
4 29 (23.58%) Ruby
5 24 (19.51%) PowerShell
5 24 (19.51%) SQL
6 16 (13.01%) C++
7 13 (10.57%) Shell Script
8 7 (5.69%) Korn
9 6 (4.88%) C
10 5 (4.07%) PL/SQL
11 2 (1.63%) Go
11 2 (1.63%) JavaScript
11 2 (1.63%) PHP
11 2 (1.63%) VB
12 1 (0.81%) Apple Swift
12 1 (0.81%) T-SQL
12 1 (0.81%) WebLogic Scripting Tool
12 1 (0.81%) XPath
Qualifications
1 4 (3.25%) CFA
1 4 (3.25%) Degree
2 3 (2.44%) Computer Science Degree
2 3 (2.44%) Security Cleared
3 2 (1.63%) CCNP
3 2 (1.63%) Cisco Certification
4 1 (0.81%) CCNA
4 1 (0.81%) DV Cleared
4 1 (0.81%) RHCA
4 1 (0.81%) RHCE
4 1 (0.81%) SC Cleared
Quality Assurance & Compliance
1 6 (4.88%) MiFID
2 5 (4.07%) QA
3 3 (2.44%) SLA
System Software
1 18 (14.63%) Docker
2 9 (7.32%) VMware Infrastructure
3 5 (4.07%) Hyper-V
4 3 (2.44%) LXC
4 3 (2.44%) NFS
5 2 (1.63%) Tivoli Workload Scheduler
6 1 (0.81%) Active Directory
6 1 (0.81%) GPFS
6 1 (0.81%) HDFS
6 1 (0.81%) Oracle RAC
6 1 (0.81%) Samba
6 1 (0.81%) Veritas Cluster Server
6 1 (0.81%) VMware ESXi
Systems Management
1 31 (25.20%) Ansible
1 31 (25.20%) Puppet
2 22 (17.89%) Opscode Chef
3 7 (5.69%) Nagios
4 6 (4.88%) Terraform
5 5 (4.07%) Kubernetes
6 4 (3.25%) Cobbler
6 4 (3.25%) NetBackup
6 4 (3.25%) Packer
6 4 (3.25%) Red Hat Spacewalk
6 4 (3.25%) Salt
7 3 (2.44%) Galera Cluster
7 3 (2.44%) IBM BigFix
7 3 (2.44%) TADDM
7 3 (2.44%) Tivoli
7 3 (2.44%) ZABBIX
8 2 (1.63%) Marathon
8 2 (1.63%) Mesos
8 2 (1.63%) Rundeck
8 2 (1.63%) Thomson Reuters DACS
Vendors
1 21 (17.07%) Oracle
2 15 (12.20%) Red Hat
3 14 (11.38%) Splunk
4 11 (8.94%) Microsoft
4 11 (8.94%) VMware
5 10 (8.13%) NetApp
6 9 (7.32%) Cisco
6 9 (7.32%) ServiceNow
6 9 (7.32%) Sybase
7 8 (6.50%) EMC
8 7 (5.69%) IBM
9 6 (4.88%) Atlassian
9 6 (4.88%) CyberArk
9 6 (4.88%) Perforce
9 6 (4.88%) Serena
10 5 (4.07%) F5
11 4 (3.25%) SimCorp
12 2 (1.63%) Brocade
12 2 (1.63%) Google
12 2 (1.63%) Murex
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