Period
to 18 October 2021

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 October 2021 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 Oct 2021
Same period 2020 Same period 2019
Rank 169 85 150
Rank change year-on-year -84 +65 +43
Contract jobs citing Perl 13 36 77
As % of all contract jobs advertised in the City of London 0.34% 2.03% 1.29%
As % of the Programming Languages category 0.71% 4.17% 2.59%
Number of daily rates quoted 10 28 55
10th Percentile £436 " £410
25th Percentile £461 £238 £444
Median daily rate (50th Percentile) £525 £475 £525
Median % change year-on-year +10.53% -9.52% -
75th Percentile £666 £597 £601
90th Percentile £700 £641 £830
Central London median daily rate £525 £500 £520
% change year-on-year +5.00% -3.85% -0.95%
Number of hourly rates quoted 0 1 0
Median hourly rate - £36.00 -
Central London median hourly rate - £36.00 -

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 1,839 863 2,978
As % of all contract IT jobs advertised in the City of London 47.65% 48.70% 49.89%
Number of daily rates quoted 1,452 659 2,445
10th Percentile £413 £363 £399
25th Percentile £500 £428 £463
Median daily rate (50th Percentile) £600 £525 £525
Median % change year-on-year +14.29% - -
75th Percentile £688 £625 £625
90th Percentile £775 £695 £688
Central London median daily rate £600 £525 £525
% change year-on-year +14.29% - -
Number of hourly rates quoted 10 8 13
10th Percentile £26.15 £12.75 "
25th Percentile £32.00 £19.69 £21.00
Median hourly rate £36.50 £28.75 £22.33
Median % change year-on-year +26.96% +28.75% -24.42%
75th Percentile £61.56 £37.56 £51.25
90th Percentile £67.98 £39.48 £54.85
Central London median hourly rate £36.50 £28.75 £22.42
% change year-on-year +26.96% +28.26% +1.89%

Perl
Job Vacancy Trend in the City of London

Job postings citing Perl as a proportion 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

3-month moving average daily rate quoted in jobs citing Perl in the City of London.

Daily rate trend for Perl in the City of London

Perl
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Perl in the City of London over the 6 months to 18 October 2021.

Daily rate histogram for Perl in the City of London

Perl
Contractor Hourly Rate Trend in the City of London

3-month moving average hourly rates quoted in jobs citing Perl in the City of London.

Hourly rate trend for Perl in the City of London

For the 6 months to 18 October 2021, IT contractor jobs citing Perl also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the City of London region with a requirement for Perl.

1 9 (69.23%) Python
2 8 (61.54%) Linux
3 7 (53.85%) Unix
3 7 (53.85%) Java
4 6 (46.15%) Shell Script
4 6 (46.15%) DevOps
5 5 (38.46%) Red Hat
5 5 (38.46%) SQL
5 5 (38.46%) Oracle
6 4 (30.77%) TCP/IP
6 4 (30.77%) DNS
6 4 (30.77%) VMware
6 4 (30.77%) VMware Infrastructure
6 4 (30.77%) Git (software)
6 4 (30.77%) Bash Shell
6 4 (30.77%) Ansible
7 3 (23.08%) GCP
7 3 (23.08%) Social Skills
7 3 (23.08%) PaaS
7 3 (23.08%) Azure
7 3 (23.08%) AWS
7 3 (23.08%) IaaS
7 3 (23.08%) Degree
7 3 (23.08%) JIRA
7 3 (23.08%) Banking
7 3 (23.08%) Software Engineering
7 3 (23.08%) Disaster Recovery
7 3 (23.08%) Finance
7 3 (23.08%) Active Directory
7 3 (23.08%) Windows

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 2 (15.38%) Confluence
1 2 (15.38%) SharePoint
2 1 (7.69%) Apache Spark
Business Applications
1 2 (15.38%) SunGard Martini
Cloud Services
1 3 (23.08%) AWS
1 3 (23.08%) Azure
1 3 (23.08%) GCP
1 3 (23.08%) IaaS
1 3 (23.08%) PaaS
2 2 (15.38%) GitHub
2 2 (15.38%) SaaS
Communications & Networking
1 4 (30.77%) DNS
1 4 (30.77%) TCP/IP
2 2 (15.38%) DHCP
2 2 (15.38%) Kerberos
2 2 (15.38%) LAN
2 2 (15.38%) SAN
Database & Business Intelligence
1 2 (15.38%) MySQL
1 2 (15.38%) PostgreSQL
2 1 (7.69%) Apache Cassandra
2 1 (7.69%) Big Data
2 1 (7.69%) DB2
2 1 (7.69%) DB2 UDB
2 1 (7.69%) Flink
2 1 (7.69%) Hadoop
2 1 (7.69%) HBase
2 1 (7.69%) Metadata
2 1 (7.69%) NoSQL
2 1 (7.69%) RDBMS
2 1 (7.69%) Relational Database
2 1 (7.69%) SQL Server
Development Applications
1 4 (30.77%) Git (software)
2 3 (23.08%) JIRA
3 2 (15.38%) Subversion
3 2 (15.38%) TeamCity
4 1 (7.69%) Ant
4 1 (7.69%) Bitbucket
4 1 (7.69%) Eclipse
4 1 (7.69%) Jenkins
4 1 (7.69%) Selenium
General
1 3 (23.08%) Banking
1 3 (23.08%) Finance
1 3 (23.08%) Social Skills
2 2 (15.38%) International Banking
3 1 (7.69%) Analytical Skills
3 1 (7.69%) Investment Banking
3 1 (7.69%) Prime Brokerage
Job Titles
1 4 (30.77%) Administrator
1 4 (30.77%) Systems Administrator
2 3 (23.08%) Consultant
2 3 (23.08%) Developer
2 3 (23.08%) Linux Administrator
2 3 (23.08%) Linux Systems Administrator
3 2 (15.38%) C++ Developer
3 2 (15.38%) Data Engineer
3 2 (15.38%) Infoblox Consultant
3 2 (15.38%) Infoblox Engineer
4 1 (7.69%) DevOps Engineer
4 1 (7.69%) Hadoop Engineer
4 1 (7.69%) IAM Consultant
4 1 (7.69%) Prime Brokerage Java Developer
4 1 (7.69%) SailPoint Consultant
4 1 (7.69%) Senior DevOps
4 1 (7.69%) Senior DevOps Engineer
4 1 (7.69%) Unix Administrator
4 1 (7.69%) Unix Linux Systems Administrator
4 1 (7.69%) Unix Systems Administrator
Libraries, Frameworks & Software Standards
1 3 (23.08%) LDAP
2 2 (15.38%) FIX Protocol
2 2 (15.38%) Kafka
2 2 (15.38%) REST
2 2 (15.38%) Spring
2 2 (15.38%) Web Services
3 1 (7.69%) Apache Avro
3 1 (7.69%) HTML
3 1 (7.69%) J2EE
3 1 (7.69%) Java ME
3 1 (7.69%) JMS
3 1 (7.69%) JSP
3 1 (7.69%) SailPoint
3 1 (7.69%) Servlets
3 1 (7.69%) SOAP
3 1 (7.69%) Spark Streaming
3 1 (7.69%) TIBCO EMS
3 1 (7.69%) XML
Miscellaneous
1 2 (15.38%) Data Centre
1 2 (15.38%) Derivative
1 2 (15.38%) DTCC
1 2 (15.38%) Equities
1 2 (15.38%) Fixed Income
1 2 (15.38%) Linux Command Line
1 2 (15.38%) Replication
2 1 (7.69%) Mainframe
Operating Systems
1 8 (61.54%) Linux
2 7 (53.85%) Unix
3 3 (23.08%) Solaris
3 3 (23.08%) Windows
4 2 (15.38%) Red Hat Enterprise Linux
Processes & Methodologies
1 6 (46.15%) DevOps
2 3 (23.08%) Disaster Recovery
2 3 (23.08%) Software Engineering
3 2 (15.38%) API Integration
3 2 (15.38%) High Availability
3 2 (15.38%) Kernel Tuning
3 2 (15.38%) Security Hardening
3 2 (15.38%) Storage Management
4 1 (7.69%) Analytics
4 1 (7.69%) Coaching
4 1 (7.69%) Continuous Improvement
4 1 (7.69%) Critical Success Factor
4 1 (7.69%) Data Pipeline
4 1 (7.69%) Infrastructure as Code
4 1 (7.69%) Machine Learning
4 1 (7.69%) Open Source
4 1 (7.69%) Performance Analysis
4 1 (7.69%) Problem Management
4 1 (7.69%) Problem-Solving
4 1 (7.69%) Root Cause Analysis
Programming Languages
1 9 (69.23%) Python
2 7 (53.85%) Java
3 6 (46.15%) Shell Script
4 5 (38.46%) SQL
5 4 (30.77%) Bash Shell
6 3 (23.08%) C++
7 2 (15.38%) C
7 2 (15.38%) Ruby
8 1 (7.69%) BeanShell
8 1 (7.69%) Bourne shell
8 1 (7.69%) CQL
8 1 (7.69%) Go
8 1 (7.69%) JavaScript
8 1 (7.69%) Korn
8 1 (7.69%) PHP
8 1 (7.69%) PowerShell
Qualifications
1 3 (23.08%) Degree
2 1 (7.69%) Security Cleared
Quality Assurance & Compliance
1 1 (7.69%) Data Quality
System Software
1 4 (30.77%) VMware Infrastructure
2 3 (23.08%) Active Directory
3 2 (15.38%) Docker
3 2 (15.38%) NFS
3 2 (15.38%) Veritas File System
3 2 (15.38%) Veritas Volume Manager
3 2 (15.38%) VMware ESXi
4 1 (7.69%) RACF
4 1 (7.69%) vSphere
Systems Management
1 4 (30.77%) Ansible
2 2 (15.38%) Control-M
2 2 (15.38%) EMC NetWorker
2 2 (15.38%) Failover Clustering
2 2 (15.38%) Kubernetes
2 2 (15.38%) Netcool
2 2 (15.38%) QRadar
2 2 (15.38%) Red Hat Satellite
2 2 (15.38%) Terraform
2 2 (15.38%) Tivoli
2 2 (15.38%) Tivoli Storage Manager
Vendors
1 5 (38.46%) Oracle
1 5 (38.46%) Red Hat
2 4 (30.77%) VMware
3 2 (15.38%) BMC
3 2 (15.38%) CyberArk
3 2 (15.38%) EMC
3 2 (15.38%) IBM
3 2 (15.38%) Infoblox
3 2 (15.38%) Qualys
3 2 (15.38%) SaltStack
3 2 (15.38%) Splunk
3 2 (15.38%) SunGard
4 1 (7.69%) 3PAR
4 1 (7.69%) Dell
4 1 (7.69%) Google
4 1 (7.69%) HP
4 1 (7.69%) Sybase
4 1 (7.69%) TIBCO