Period
to 18 November 2017

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 6 months to 18 November 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
Central London > City of London
6 months to
18 Nov 2017
Same period 2016 Same period 2015
Rank 160 108 101
Rank change year-on-year -52 -7 +15
Contract jobs citing Perl 91 157 206
As % of all contract IT jobs advertised in the City of London 1.29% 2.34% 2.23%
As % of the Programming Languages category 2.45% 4.63% 4.78%
Number of daily rates quoted 73 127 178
City of London median daily rate £550 £525 £470
Median daily rate % change year-on-year +4.76% +11.70% -1.05%
10th Percentile £413 £335 £325
90th Percentile £670 £675 £638
Central London median daily rate £525 £475 £456
% change year-on-year +10.53% +4.11% -3.95%
Number of hourly rates quoted 0 0 1
City of London median hourly rate - - £21.30
Central London median hourly rate - - £21.30

Perl is in the Programming Languages 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 coding skills.

All Programming Languages
City of London
Contract vacancies with a requirement for coding skills 3720 3393 4306
As % of all contract IT jobs advertised in the City of London 52.54% 50.57% 46.57%
Number of daily rates quoted 3090 2857 3611
City of London median daily rate £525 £475 £475
Median daily rate % change year-on-year +10.53% - +5.56%
10th Percentile £363 £325 £313
90th Percentile £688 £650 £663
Central London median daily rate £513 £475 £475
% change year-on-year +7.89% - +6.74%
Number of hourly rates quoted 14 10 20
City of London median hourly rate £22.99 £27.50 £26.09
Median hourly rate % change year-on-year -16.39% +5.42% +30.43%
10th Percentile £15.12 £16.06 £15.69
90th Percentile £39.10 £55.19 £43.29
Central London median hourly rate £24.49 £27.50 £26.09
% change year-on-year -10.96% +5.42% +30.43%

Perl
Job Vacancy Trend in the City of London

Job postings citing Perl as a percentage of all IT jobs advertised in the City of London.

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 6 months to 18 November 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 18 November 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 60 (65.93%) Python
2 55 (60.44%) Linux
3 52 (57.14%) Unix
4 48 (52.75%) Finance
5 35 (38.46%) Java
6 33 (36.26%) Red Hat
7 32 (35.16%) Banking
7 32 (35.16%) DevOps
8 28 (30.77%) Bash Shell
9 24 (26.37%) Ansible
9 24 (26.37%) Shell Script
10 22 (24.18%) C++
10 22 (24.18%) Windows
10 22 (24.18%) Red Hat Enterprise Linux
11 21 (23.08%) Puppet
12 20 (21.98%) Opscode Chef
12 20 (21.98%) SQL
12 20 (21.98%) Git (software)
12 20 (21.98%) Amazon AWS
12 20 (21.98%) Agile Software Development
13 19 (20.88%) Maven
14 18 (19.78%) Ruby
14 18 (19.78%) JIRA
15 17 (18.68%) Subversion
15 17 (18.68%) Configuration Management
15 17 (18.68%) Foreign Exchange (FX)
15 17 (18.68%) Jenkins
16 16 (17.58%) JBoss
17 14 (15.38%) Sybase
17 14 (15.38%) XML

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 16 (17.58%) JBoss
2 13 (14.29%) Tomcat
3 9 (9.89%) WebSphere
4 7 (7.69%) MQSeries
5 6 (6.59%) Apache
5 6 (6.59%) IIS
5 6 (6.59%) nginx
6 5 (5.49%) Jetty
7 3 (3.30%) Confluence
8 2 (2.20%) WebLogic
9 1 (1.10%) ArcGIS
9 1 (1.10%) OpenStack
9 1 (1.10%) SAS
9 1 (1.10%) WebSphere Application Server
Applications
1 1 (1.10%) Microsoft Excel
1 1 (1.10%) Microsoft Office
1 1 (1.10%) SPSS
Business Applications
1 4 (4.40%) BusinessWorks
1 4 (4.40%) Kondor
2 2 (2.20%) RMDS
2 2 (2.20%) SimCorp Dimension
Cloud Services
1 20 (21.98%) Amazon AWS
2 8 (8.79%) Microsoft Azure
3 6 (6.59%) Cloud Computing
3 6 (6.59%) PaaS
4 5 (5.49%) IaaS
5 4 (4.40%) AWS CloudFormation
5 4 (4.40%) Google Cloud Platform
5 4 (4.40%) Google Container Engine
6 3 (3.30%) GitHub
7 2 (2.20%) Amazon EC2
8 1 (1.10%) Akamai
8 1 (1.10%) Amazon ELB
8 1 (1.10%) OpenShift
8 1 (1.10%) SaaS
Communications & Networking
1 11 (12.09%) TCP/IP
2 8 (8.79%) Firewall
3 4 (4.40%) DNS
4 3 (3.30%) Cisco ASA
4 3 (3.30%) DHCP
4 3 (3.30%) NAS
4 3 (3.30%) SAN
4 3 (3.30%) SMTP
4 3 (3.30%) VPN
5 2 (2.20%) BIG-IP
5 2 (2.20%) Cisco Nexus
5 2 (2.20%) FIX Connectivity
5 2 (2.20%) LAN
5 2 (2.20%) NetScaler
6 1 (1.10%) DMZ
6 1 (1.10%) EIGRP
6 1 (1.10%) Ethernet
6 1 (1.10%) LDAP
6 1 (1.10%) OSPF
6 1 (1.10%) VoIP
Database & Business Intelligence
1 10 (10.99%) MySQL
2 4 (4.40%) NoSQL
2 4 (4.40%) Sybase ASE
3 3 (3.30%) MongoDB
4 1 (1.10%) Amazon RDS
4 1 (1.10%) Data Warehouse
4 1 (1.10%) Geospatial Data
4 1 (1.10%) GIS
4 1 (1.10%) InfluxDB
4 1 (1.10%) KDB
4 1 (1.10%) PostgreSQL
4 1 (1.10%) QGIS
4 1 (1.10%) SQL Server
4 1 (1.10%) SQL Server 2012
4 1 (1.10%) SQL Server 2016
Development Applications
1 20 (21.98%) Git (software)
2 19 (20.88%) Maven
3 18 (19.78%) JIRA
4 17 (18.68%) Jenkins
4 17 (18.68%) Subversion
5 6 (6.59%) Sonatype Nexus
6 4 (4.40%) IBM UrbanCode
6 4 (4.40%) JIRA Agile
7 3 (3.30%) Bitbucket
8 2 (2.20%) Cucumber
8 2 (2.20%) Oracle APEX
8 2 (2.20%) Team Foundation Server
8 2 (2.20%) Vagrant
9 1 (1.10%) ERwin
9 1 (1.10%) git-flow
9 1 (1.10%) TeamCity
9 1 (1.10%) Xcode
General
1 48 (52.75%) Finance
2 32 (35.16%) Banking
3 13 (14.29%) Investment Banking
4 7 (7.69%) Front Office
5 5 (5.49%) Financial Institution
6 4 (4.40%) Back Office
6 4 (4.40%) Telecoms
7 2 (2.20%) Publishing
7 2 (2.20%) Retail
Job Titles
1 21 (23.08%) Developer
1 21 (23.08%) DevOps Engineer
2 9 (9.89%) Administrator
2 9 (9.89%) Linux Engineer
2 9 (9.89%) Systems Administrator
3 8 (8.79%) Analyst
3 8 (8.79%) Java Engineer
4 6 (6.59%) Linux Administrator
4 6 (6.59%) Linux Systems Administrator
4 6 (6.59%) Linux/Unix DevOps
5 5 (5.49%) AWS DevOps
5 5 (5.49%) AWS DevOps Engineer
5 5 (5.49%) AWS Engineer
5 5 (5.49%) C++ Developer
6 4 (4.40%) Lead DevOps
6 4 (4.40%) Linux DevOps Engineer
6 4 (4.40%) Senior DevOps
6 4 (4.40%) Senior DevOps Engineer
6 4 (4.40%) Senior Java Engineer
6 4 (4.40%) Unix Systems Administrator
Libraries, Frameworks & Software Standards
1 14 (15.38%) XML
2 13 (14.29%) .NET
2 13 (14.29%) Middleware
3 10 (10.99%) J2EE
4 9 (9.89%) HTML
5 8 (8.79%) WebSphere MQ
6 7 (7.69%) Ajax
6 7 (7.69%) FIX Protocol
6 7 (7.69%) XSLT
7 6 (6.59%) Web Services
8 5 (5.49%) Java EE
8 5 (5.49%) jQuery
8 5 (5.49%) LEMP Stack
8 5 (5.49%) RESTful
8 5 (5.49%) Servlets
9 4 (4.40%) Boost C++ Libraries
9 4 (4.40%) Elastic Stack
9 4 (4.40%) JMS
9 4 (4.40%) SOAP
10 3 (3.30%) Spring
Miscellaneous
1 17 (18.68%) Foreign Exchange (FX)
2 12 (13.19%) Analytical Skills
3 7 (7.69%) Computer Science
4 6 (6.59%) Greenfield Project
5 5 (5.49%) Derivative
5 5 (5.49%) Fixed Income
6 3 (3.30%) Clustering
6 3 (3.30%) Enterprise Software
7 2 (2.20%) CMDB
7 2 (2.20%) Fintech
7 2 (2.20%) Management Information System
7 2 (2.20%) SWIFT
8 1 (1.10%) Client/Server
8 1 (1.10%) Credit Risk
8 1 (1.10%) DataPower
8 1 (1.10%) Equities
8 1 (1.10%) Market Risk
8 1 (1.10%) PKI
8 1 (1.10%) Reference Data
8 1 (1.10%) RIA
Operating Systems
1 55 (60.44%) Linux
2 52 (57.14%) Unix
3 22 (24.18%) Red Hat Enterprise Linux
3 22 (24.18%) Windows
4 14 (15.38%) CentOS
5 10 (10.99%) Solaris
6 9 (9.89%) Windows Server
7 5 (5.49%) DC/OS
7 5 (5.49%) Ubuntu
8 2 (2.20%) AIX
8 2 (2.20%) Windows Server 2012
9 1 (1.10%) Apple iOS
Processes & Methodologies
1 32 (35.16%) DevOps
2 20 (21.98%) Agile Software Development
3 17 (18.68%) Configuration Management
4 14 (15.38%) SDLC
5 9 (9.89%) Memory Management
5 9 (9.89%) Performance Tuning
5 9 (9.89%) Release Management
6 8 (8.79%) Low Latency
7 7 (7.69%) Change Control
7 7 (7.69%) Performance Monitoring
8 6 (6.59%) Electronic Trading
9 5 (5.49%) Patch Management
9 5 (5.49%) Risk Management
9 5 (5.49%) System Testing
9 5 (5.49%) Test Automation
10 4 (4.40%) Application Performance Monitoring
10 4 (4.40%) Client Onboarding
10 4 (4.40%) Continuous Improvement
10 4 (4.40%) High-Frequency Trading
10 4 (4.40%) Open Source
Programming Languages
1 60 (65.93%) Python
2 35 (38.46%) Java
3 28 (30.77%) Bash Shell
4 24 (26.37%) Shell Script
5 22 (24.18%) C++
6 20 (21.98%) SQL
7 18 (19.78%) Ruby
8 13 (14.29%) JavaScript
9 9 (9.89%) C
10 8 (8.79%) PHP
11 7 (7.69%) PowerShell
12 5 (5.49%) Korn
13 4 (4.40%) AWK
14 3 (3.30%) Tcl
15 2 (2.20%) VBA
16 1 (1.10%) Apple Swift
16 1 (1.10%) R
16 1 (1.10%) T-SQL
Qualifications
1 6 (6.59%) Degree
2 5 (5.49%) Computer Science Degree
3 3 (3.30%) Security Cleared
4 2 (2.20%) CFA
5 1 (1.10%) AWS Certification
5 1 (1.10%) CCNP
5 1 (1.10%) Cisco Certification
5 1 (1.10%) CTC Cleared
5 1 (1.10%) ITIL Certification
5 1 (1.10%) PhD
5 1 (1.10%) RHCA
5 1 (1.10%) RHCE
5 1 (1.10%) SC Cleared
Quality Assurance & Compliance
1 4 (4.40%) QA
2 2 (2.20%) MiFID
3 1 (1.10%) SLA
System Software
1 8 (8.79%) Docker
2 7 (7.69%) Hyper-V
3 5 (5.49%) KVM
3 5 (5.49%) VMware ESXi
3 5 (5.49%) VMware Infrastructure
4 2 (2.20%) RHEV
5 1 (1.10%) iptables
5 1 (1.10%) Platform Symphony
Systems Management
1 24 (26.37%) Ansible
2 21 (23.08%) Puppet
3 20 (21.98%) Opscode Chef
4 9 (9.89%) Packer
5 7 (7.69%) Nagios
5 7 (7.69%) Terraform
6 4 (4.40%) Kubernetes
7 3 (3.30%) Salt
8 2 (2.20%) BMC PATROL
8 2 (2.20%) Cacti
8 2 (2.20%) HP Quality Center
8 2 (2.20%) IBM BigFix
8 2 (2.20%) TADDM
8 2 (2.20%) Tivoli Storage Manager
8 2 (2.20%) vMotion
8 2 (2.20%) vRealize
9 1 (1.10%) Cisco Prime
9 1 (1.10%) Cloudify
9 1 (1.10%) Grafana
9 1 (1.10%) NetBackup
Vendors
1 33 (36.26%) Red Hat
2 14 (15.38%) Sybase
3 12 (13.19%) VMware
4 11 (12.09%) Cisco
4 11 (12.09%) IBM
4 11 (12.09%) Microsoft
4 11 (12.09%) Oracle
5 6 (6.59%) Splunk
6 4 (4.40%) Google
6 4 (4.40%) Misys
6 4 (4.40%) ServiceNow
6 4 (4.40%) TIBCO
7 3 (3.30%) Atlassian
7 3 (3.30%) CheckPoint
7 3 (3.30%) EMC
7 3 (3.30%) Fidessa
7 3 (3.30%) NetApp
7 3 (3.30%) Veritas
8 2 (2.20%) HP
8 2 (2.20%) Murex