Period
to 25 November 2017

The following table provides summary statistics for permanent job vacancies advertised in the City of London with a requirement for Perl skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Perl over the 6 months to 25 November 2017 with a comparison to the same period in the previous 2 years.

Perl
Central London > City of London
6 months to
25 Nov 2017
Same period 2016 Same period 2015
Rank 153 119 93
Rank change year-on-year -34 -26 +17
Permanent jobs citing Perl 183 287 510
As % of all permanent IT jobs advertised in the City of London 1.80% 2.47% 3.00%
As % of the Programming Languages category 3.17% 4.25% 5.47%
Number of salaries quoted 168 250 449
City of London median annual salary £70,000 £55,000 £60,000
Median salary % change year-on-year +27.27% -8.33% +4.35%
10th Percentile £40,000 £34,875 £37,500
90th Percentile £100,000 £87,625 £83,000
Central London median annual salary £62,500 £55,000 £60,000
% change year-on-year +13.64% -8.33% +5.26%

Perl is in the Programming Languages category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in the City of London with a requirement for coding skills.

All Programming Languages
City of London
Permanent vacancies with a requirement for coding skills 5777 6760 9328
As % of all permanent IT jobs advertised in the City of London 56.83% 58.21% 54.94%
Number of salaries quoted 5290 6236 8230
City of London median annual salary £61,000 £57,802 £57,500
Median salary % change year-on-year +5.53% +0.53% +4.55%
10th Percentile £38,750 £37,500 £34,750
90th Percentile £95,000 £90,000 £87,500
Central London median annual salary £60,000 £57,500 £55,000
% change year-on-year +4.35% +4.55% -

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
Salary Trend in the City of London

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

Salary trend for Perl in the City of London

Perl
Salary Histogram in the City of London

The salary distribution of IT jobs citing Perl in the City of London over the 6 months to 25 November 2017.

Salary histogram for Perl in the City of London

For the 6 months to 25 November 2017, IT jobs citing Perl also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the City of London region with a requirement for Perl.

1 136 (74.32%) Linux
2 133 (72.68%) Python
3 86 (46.99%) Java
4 71 (38.80%) Unix
5 69 (37.70%) DevOps
6 68 (37.16%) Bash Shell
7 65 (35.52%) Puppet
8 62 (33.88%) Amazon AWS
9 57 (31.15%) Finance
10 52 (28.42%) Ruby
10 52 (28.42%) SQL
11 50 (27.32%) Ansible
12 45 (24.59%) Opscode Chef
13 40 (21.86%) MySQL
14 37 (20.22%) PHP
14 37 (20.22%) Continuous Integration
15 36 (19.67%) Oracle
16 32 (17.49%) Banking
17 31 (16.94%) FIX Protocol
17 31 (16.94%) Windows
18 30 (16.39%) JavaScript
19 29 (15.85%) Agile Software Development
20 28 (15.30%) Microsoft Azure
21 27 (14.75%) Electronic Trading
21 27 (14.75%) Jenkins
22 26 (14.21%) Apache
22 26 (14.21%) Configuration Management
23 25 (13.66%) Degree
24 24 (13.11%) Docker
25 22 (12.02%) MongoDB

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 26 (14.21%) Apache
2 19 (10.38%) OpenStack
2 19 (10.38%) Tomcat
3 14 (7.65%) Jetty
4 13 (7.10%) Apache Spark
5 12 (6.56%) Elasticsearch
6 11 (6.01%) JBoss
6 11 (6.01%) WebLogic
6 11 (6.01%) WebSphere
6 11 (6.01%) WebSphere Application Server
7 9 (4.92%) Apache Solr
8 8 (4.37%) nginx
9 5 (2.73%) IIS
10 4 (2.19%) CMS
10 4 (2.19%) ColdFusion
11 3 (1.64%) Confluence
11 3 (1.64%) DataSynapse
12 2 (1.09%) Apache Pig
12 2 (1.09%) Apache TomEE
12 2 (1.09%) SharePoint
Applications
1 2 (1.09%) SPSS
2 1 (0.55%) Microsoft Excel
Business Applications
1 3 (1.64%) ION MarketView
2 1 (0.55%) BusinessWorks
2 1 (0.55%) Kondor
2 1 (0.55%) RMDS
Cloud Services
1 62 (33.88%) Amazon AWS
2 28 (15.30%) Microsoft Azure
3 16 (8.74%) AWS CloudFormation
4 11 (6.01%) Cloud Computing
5 10 (5.46%) SaaS
6 6 (3.28%) Google Cloud Platform
7 5 (2.73%) Amazon EC2
7 5 (2.73%) IaaS
8 3 (1.64%) DigitalOcean
8 3 (1.64%) Loggly
8 3 (1.64%) PaaS
8 3 (1.64%) Sumo Logic
9 2 (1.09%) Amazon EMR
9 2 (1.09%) GitHub
10 1 (0.55%) Amazon ELB
10 1 (0.55%) Amazon S3
10 1 (0.55%) Office 365
Communications & Networking
1 18 (9.84%) Firewall
2 14 (7.65%) TCP/IP
3 6 (3.28%) Fibre Channel
3 6 (3.28%) Internet
3 6 (3.28%) iSCSI
3 6 (3.28%) NetScaler
4 5 (2.73%) FTP
4 5 (2.73%) Wireshark
5 4 (2.19%) DNS
5 4 (2.19%) DVB
5 4 (2.19%) HTTP
5 4 (2.19%) LDAP
6 3 (1.64%) VPN
7 2 (1.09%) Cisco ASA
7 2 (1.09%) Cisco Nexus
7 2 (1.09%) FIX Connectivity
7 2 (1.09%) Kerberos
8 1 (0.55%) MRTG
8 1 (0.55%) NAS
8 1 (0.55%) SSH
Database & Business Intelligence
1 40 (21.86%) MySQL
2 22 (12.02%) MongoDB
3 19 (10.38%) SQL Server
4 18 (9.84%) PostgreSQL
5 17 (9.29%) Big Data
6 15 (8.20%) Apache Cassandra
6 15 (8.20%) Hadoop
7 14 (7.65%) Redis
8 13 (7.10%) NoSQL
9 9 (4.92%) Couchbase
9 9 (4.92%) Riak
10 8 (4.37%) Oracle Database
11 2 (1.09%) Apache Hive
11 2 (1.09%) HBase
11 2 (1.09%) SQL Server 2012
11 2 (1.09%) SQL Server 2014
11 2 (1.09%) SQL Server 2016
11 2 (1.09%) SQL Server Integration Services
11 2 (1.09%) Sqoop
11 2 (1.09%) Triplestore
Development Applications
1 27 (14.75%) Jenkins
2 16 (8.74%) JIRA
3 12 (6.56%) Git (software)
3 12 (6.56%) TeamCity
4 8 (4.37%) Sonatype Nexus
5 7 (3.83%) GitLab
6 6 (3.28%) Atlassian Bamboo
7 4 (2.19%) Maven
7 4 (2.19%) Subversion
7 4 (2.19%) Vagrant
8 3 (1.64%) Burp Suite
8 3 (1.64%) Gradle
8 3 (1.64%) Metasploit
8 3 (1.64%) Phing
8 3 (1.64%) PHPUnit
8 3 (1.64%) Travis CI
9 2 (1.09%) Bitbucket
9 2 (1.09%) ClearCase
10 1 (0.55%) Grunt
10 1 (0.55%) NuGet
General
1 57 (31.15%) Finance
2 32 (17.49%) Banking
3 20 (10.93%) Front Office
4 5 (2.73%) Publishing
5 4 (2.19%) Law
5 4 (2.19%) Legal
5 4 (2.19%) Marketing
6 3 (1.64%) Back Office
6 3 (1.64%) Financial Institution
6 3 (1.64%) Retail
6 3 (1.64%) Telecoms
7 2 (1.09%) Investment Banking
7 2 (1.09%) Prime Brokerage
8 1 (0.55%) Games
Job Titles
1 41 (22.40%) DevOps Engineer
2 26 (14.21%) Applications Support
3 24 (13.11%) Developer
4 20 (10.93%) Analyst
5 16 (8.74%) Java Developer
6 14 (7.65%) Support Analyst
7 13 (7.10%) Linux Engineer
8 11 (6.01%) Consultant
8 11 (6.01%) Support Engineer
9 9 (4.92%) Senior DevOps
9 9 (4.92%) Senior DevOps Engineer
10 8 (4.37%) Applications Engineer
10 8 (4.37%) Applications Support Engineer
10 8 (4.37%) Head of DevOps
10 8 (4.37%) Junior
10 8 (4.37%) Team Leader
11 7 (3.83%) Architect
11 7 (3.83%) Tester
12 6 (3.28%) Operations Engineer
12 6 (3.28%) Site Engineer
Libraries, Frameworks & Software Standards
1 31 (16.94%) FIX Protocol
2 19 (10.38%) Web Services
3 18 (9.84%) Elastic Stack
4 16 (8.74%) XML
5 12 (6.56%) LAMP
6 11 (6.01%) AngularJS
7 10 (5.46%) React
8 9 (4.92%) .NET
8 9 (4.92%) Lucene
9 8 (4.37%) HTML
10 7 (3.83%) XSLT
11 6 (3.28%) LEMP Stack
11 6 (3.28%) Node.js
12 5 (2.73%) ASP.NET
12 5 (2.73%) Servlets
13 4 (2.19%) D-Bus
13 4 (2.19%) Middleware
13 4 (2.19%) Ruby on Rails
13 4 (2.19%) XHTML
14 3 (1.64%) SAML
Miscellaneous
1 20 (10.93%) Equities
2 10 (5.46%) Enterprise Software
3 9 (4.92%) Computer Science
4 8 (4.37%) Linux Command Line
5 7 (3.83%) Foreign Exchange (FX)
5 7 (3.83%) Replication
6 4 (2.19%) BBC
6 4 (2.19%) Embedded Systems
6 4 (2.19%) Fintech
6 4 (2.19%) Grid Computing
6 4 (2.19%) IPTV
6 4 (2.19%) STB
7 3 (1.64%) Reference Data
8 2 (1.09%) Algorithms
8 2 (1.09%) Analytical Skills
8 2 (1.09%) Data Structures
8 2 (1.09%) Fixed Income
8 2 (1.09%) Greenfield Project
8 2 (1.09%) Hedge funds
8 2 (1.09%) SWIFT
Operating Systems
1 136 (74.32%) Linux
2 71 (38.80%) Unix
3 31 (16.94%) Windows
4 18 (9.84%) CentOS
5 15 (8.20%) Red Hat Enterprise Linux
6 10 (5.46%) Windows Server
7 8 (4.37%) Solaris
8 7 (3.83%) Ubuntu
9 6 (3.28%) Windows Server 2008
10 3 (1.64%) CoreOS
11 2 (1.09%) FreeBSD
12 1 (0.55%) Debian
12 1 (0.55%) Mac OS
12 1 (0.55%) VMS
Processes & Methodologies
1 69 (37.70%) DevOps
2 37 (20.22%) Continuous Integration
3 29 (15.85%) Agile Software Development
4 27 (14.75%) Electronic Trading
5 26 (14.21%) Configuration Management
6 15 (8.20%) Low Latency
6 15 (8.20%) Open Source
7 14 (7.65%) Project Management
8 13 (7.10%) Continuous Delivery
8 13 (7.10%) ITIL
8 13 (7.10%) Mentoring
8 13 (7.10%) Software Testing
9 12 (6.56%) Business Development
9 12 (6.56%) High-Frequency Trading
9 12 (6.56%) Microservices
9 12 (6.56%) Proactive Monitoring
9 12 (6.56%) Scrum
10 11 (6.01%) Analytics
10 11 (6.01%) Migration
10 11 (6.01%) Release Management
Programming Languages
1 133 (72.68%) Python
2 86 (46.99%) Java
3 68 (37.16%) Bash Shell
4 52 (28.42%) Ruby
4 52 (28.42%) SQL
5 37 (20.22%) PHP
6 30 (16.39%) JavaScript
7 17 (9.29%) C++
8 15 (8.20%) Go
9 14 (7.65%) PowerShell
10 12 (6.56%) C#
10 12 (6.56%) Shell Script
11 11 (6.01%) C
12 7 (3.83%) Korn
13 4 (2.19%) Scala
13 4 (2.19%) VB
14 3 (1.64%) T-SQL
15 2 (1.09%) ActionScript
15 2 (1.09%) VB.NET
15 2 (1.09%) VBScript
Qualifications
1 25 (13.66%) Degree
2 6 (3.28%) RHCE
2 6 (3.28%) VMware Certified Professional (VCP)
3 5 (2.73%) Computer Science Degree
3 5 (2.73%) CREST Certified
3 5 (2.73%) GPEN
3 5 (2.73%) GXPN
4 4 (2.19%) GIAC
4 4 (2.19%) ISTQB
4 4 (2.19%) SANS
5 3 (1.64%) CHECK Team Leader
5 3 (1.64%) CISA
5 3 (1.64%) CISM
5 3 (1.64%) Master's Degree
5 3 (1.64%) OSCE
5 3 (1.64%) OSCP
6 2 (1.09%) AWS Certification
6 2 (1.09%) CEH
6 2 (1.09%) CRISC
7 1 (0.55%) (ISC)2 CCSP
Quality Assurance & Compliance
1 8 (4.37%) QA
2 5 (2.73%) Data Quality
2 5 (2.73%) ISO/IEC 27001
2 5 (2.73%) PCI DSS
3 4 (2.19%) SLA
4 3 (1.64%) COBIT
5 2 (1.09%) GCP
System Software
1 24 (13.11%) Docker
2 11 (6.01%) VMware Infrastructure
3 6 (3.28%) VMware ESXi
4 5 (2.73%) Xen
5 3 (1.64%) iptables
5 3 (1.64%) KVM
5 3 (1.64%) VirtualBox
6 2 (1.09%) Apache Flume
6 2 (1.09%) Virtual Machines
7 1 (0.55%) Ceph
7 1 (0.55%) NFS
7 1 (0.55%) oVirt
7 1 (0.55%) Postfix
7 1 (0.55%) PowerDNS
7 1 (0.55%) vCloud
Systems Management
1 65 (35.52%) Puppet
2 50 (27.32%) Ansible
3 45 (24.59%) Opscode Chef
4 17 (9.29%) Salt
5 14 (7.65%) Nagios
6 13 (7.10%) Terraform
7 11 (6.01%) Kibana
7 11 (6.01%) Kubernetes
8 10 (5.46%) logstash
9 9 (4.92%) ZABBIX
10 6 (3.28%) Packer
10 6 (3.28%) SolarWinds Orion
11 4 (2.19%) Docker Swarm
11 4 (2.19%) ITRS Geneos
11 4 (2.19%) Mesos
12 3 (1.64%) Nessus
12 3 (1.64%) Nmap
12 3 (1.64%) Rancher
13 2 (1.09%) Grafana
13 2 (1.09%) SELinux
Vendors
1 36 (19.67%) Oracle
2 21 (11.48%) Red Hat
3 19 (10.38%) Splunk
4 13 (7.10%) Sybase
5 11 (6.01%) VMware
6 10 (5.46%) ServiceNow
7 9 (4.92%) New Relic
7 9 (4.92%) SolarWinds
8 7 (3.83%) Cisco
8 7 (3.83%) Citrix
9 6 (3.28%) HP
9 6 (3.28%) NetApp
10 5 (2.73%) Google
11 4 (2.19%) Arqiva
11 4 (2.19%) Bloomberg
11 4 (2.19%) BT
11 4 (2.19%) ION Trading
11 4 (2.19%) Microsoft
11 4 (2.19%) Rackspace
11 4 (2.19%) SaltStack