Period
to 12 December 2018

The following table provides summary statistics for contract job vacancies advertised in Hertfordshire 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 12 December 2018 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
East of England > Hertfordshire
6 months to
12 Dec 2018
Same period 2017 Same period 2016
Rank 89 81 72
Rank change year-on-year -8 -9 -10
Contract jobs citing Perl 17 23 30
As % of all contract IT jobs advertised in Hertfordshire 1.06% 1.43% 2.11%
As % of the Programming Languages category 3.15% 3.72% 5.69%
Number of daily rates quoted 12 9 19
Hertfordshire median daily rate £381 £380 £258
Median daily rate % change year-on-year +0.33% +47.57% -21.97%
10th Percentile £250 £355 £250
90th Percentile £437 £470 £460
East of England median daily rate £420 £488 £428
% change year-on-year -13.85% +14.04% +3.64%
Number of hourly rates quoted 0 0 0
Hertfordshire median hourly rate - - -
East of England median hourly rate £35.00 £37.50 -
% change year-on-year -6.67% - -

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 Hertfordshire with a requirement for coding skills.

All Programming Languages
Hertfordshire
Contract vacancies with a requirement for coding skills 539 619 527
As % of all contract IT jobs advertised in Hertfordshire 33.71% 38.45% 37.09%
Number of daily rates quoted 343 327 306
Hertfordshire median daily rate £420 £413 £390
Median daily rate % change year-on-year +1.82% +5.77% +1.96%
10th Percentile £263 £288 £225
90th Percentile £556 £575 £538
East of England median daily rate £438 £400 £375
% change year-on-year +9.38% +6.67% -
Number of hourly rates quoted 21 18 30
Hertfordshire median hourly rate £45.00 £24.50 £48.50
Median hourly rate % change year-on-year +83.67% -49.48% +38.57%
10th Percentile £17.25 £13.50 £36.83
90th Percentile £52.50 £42.00 £53.95
East of England median hourly rate £44.50 £40.50 £41.06
% change year-on-year +9.88% -1.37% +9.50%

Perl
Job Vacancy Trend in Hertfordshire

Job postings citing Perl as a percentage of all IT jobs advertised in Hertfordshire.

Job vacancy trend for Perl in Hertfordshire

Perl
Contractor Daily Rate Trend in Hertfordshire

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

Contractor daily rate trend for Perl in Hertfordshire

Perl
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing Perl in Hertfordshire over the 6 months to 12 December 2018.

Contractor daily rate histogram for Perl in Hertfordshire

Perl
Contractor Hourly Rate Trend in Hertfordshire

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

Contractor hourly rate trend for Perl in Hertfordshire

Perl
Contract Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Perl within the Hertfordshire region over the 6 months to 12 December 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Stevenage - 6 £420 -
Waltham Cross - 4 £300 - 1
Hatfield - 3 - -
Hemel Hempstead -6 1 - -
Welwyn Garden City -8 1 £350 -
Perl
East of England

For the 6 months to 12 December 2018, 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 Hertfordshire region with a requirement for Perl.

1 14 (82.35%) Linux
2 11 (64.71%) Python
3 9 (52.94%) TCP/IP
4 8 (47.06%) Windows
5 7 (41.18%) Bash Shell
6 6 (35.29%) DHCP
7 5 (29.41%) VoIP
7 5 (29.41%) ITIL
7 5 (29.41%) C
7 5 (29.41%) Firewall
7 5 (29.41%) PowerShell
7 5 (29.41%) Hyper-V
8 4 (23.53%) Team Foundation Server
8 4 (23.53%) Wireshark
8 4 (23.53%) Telecoms
8 4 (23.53%) Subversion
8 4 (23.53%) IGMP
8 4 (23.53%) VLAN
8 4 (23.53%) KVM
8 4 (23.53%) Valgrind
8 4 (23.53%) FreeSWITCH
8 4 (23.53%) VirtualBox
8 4 (23.53%) GDB
8 4 (23.53%) Internet
8 4 (23.53%) RTCP
8 4 (23.53%) RTP
8 4 (23.53%) C++
8 4 (23.53%) Unix
8 4 (23.53%) Visual Studio
8 4 (23.53%) OO

Perl
Co-occurring IT Skills in Hertfordshire 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 1 (5.88%) Elasticsearch
1 1 (5.88%) nginx
1 1 (5.88%) OpenStack
Cloud Services
1 3 (17.65%) Amazon AWS
2 2 (11.76%) Amazon CloudWatch
2 2 (11.76%) Amazon EC2
2 2 (11.76%) Amazon Glacier
2 2 (11.76%) Amazon S3
2 2 (11.76%) Amazon SQS
2 2 (11.76%) AWS CloudFormation
2 2 (11.76%) AWS CloudTrail
2 2 (11.76%) Virtual Private Cloud
3 1 (5.88%) Google Cloud Platform
3 1 (5.88%) Stackdriver
Communications & Networking
1 9 (52.94%) TCP/IP
2 6 (35.29%) DHCP
3 5 (29.41%) Firewall
3 5 (29.41%) VoIP
4 4 (23.53%) HTTP
4 4 (23.53%) IGMP
4 4 (23.53%) Internet
4 4 (23.53%) PBX
4 4 (23.53%) RTCP
4 4 (23.53%) RTP
4 4 (23.53%) SNMP
4 4 (23.53%) VLAN
4 4 (23.53%) Wireshark
5 3 (17.65%) FTP
6 2 (11.76%) DNS
6 2 (11.76%) LAN
7 1 (5.88%) IP Telephony
7 1 (5.88%) SAN
7 1 (5.88%) WAN
Database & Business Intelligence
1 2 (11.76%) Amazon RDS
2 1 (5.88%) Big Data
Development Applications
1 4 (23.53%) GDB
1 4 (23.53%) Subversion
1 4 (23.53%) Team Foundation Server
1 4 (23.53%) Valgrind
1 4 (23.53%) Visual Studio
2 2 (11.76%) Git (software)
3 1 (5.88%) Artifactory
3 1 (5.88%) Jenkins
General
1 4 (23.53%) Telecoms
2 3 (17.65%) Pharmaceutical
3 1 (5.88%) Aerospace
Job Titles
1 4 (23.53%) C Developer
1 4 (23.53%) Developer
1 4 (23.53%) Software Developer
1 4 (23.53%) VoIP Developer
2 3 (17.65%) Analyst
2 3 (17.65%) Systems Analyst
3 2 (11.76%) Administrator
3 2 (11.76%) AWS Specialist
3 2 (11.76%) DevOps Engineer
3 2 (11.76%) Unix Administrator
4 1 (5.88%) 3rd Line Support Analyst
4 1 (5.88%) 3rd Line Support Specialist
4 1 (5.88%) AWS Consultant
4 1 (5.88%) AWS DevOps
4 1 (5.88%) AWS DevOps Engineer
4 1 (5.88%) AWS Engineer
4 1 (5.88%) Designer
4 1 (5.88%) Linux DevOps Engineer
4 1 (5.88%) Linux Engineer
4 1 (5.88%) Linux/Unix DevOps
Libraries, Frameworks & Software Standards
1 4 (23.53%) FreeSWITCH
1 4 (23.53%) XML
2 3 (17.65%) .NET
2 3 (17.65%) LDAP
3 2 (11.76%) Web Services
3 2 (11.76%) YAML
4 1 (5.88%) CGI
4 1 (5.88%) Elastic Stack
4 1 (5.88%) HTML
4 1 (5.88%) Node.js
Miscellaneous
1 3 (17.65%) Clustering
2 2 (11.76%) Management Information System
Operating Systems
1 14 (82.35%) Linux
2 8 (47.06%) Windows
3 4 (23.53%) Unix
4 3 (17.65%) HPUX
4 3 (17.65%) Red Hat Enterprise Linux
4 3 (17.65%) Solaris
4 3 (17.65%) Windows Server
5 1 (5.88%) CentOS
Processes & Methodologies
1 5 (29.41%) ITIL
2 4 (23.53%) OO
3 3 (17.65%) Change Management
3 3 (17.65%) Incident Management
3 3 (17.65%) Network Virtualisation
3 3 (17.65%) Problem-Solving
3 3 (17.65%) Project Management
4 2 (11.76%) DevOps
4 2 (11.76%) Information Security
4 2 (11.76%) Migration
4 2 (11.76%) Network Monitoring
4 2 (11.76%) Technical Analysis
5 1 (5.88%) Agile Software Development
5 1 (5.88%) Computer Science
5 1 (5.88%) Continuous Deployment
5 1 (5.88%) Continuous Integration
5 1 (5.88%) Load Balancing
5 1 (5.88%) Mathematics
5 1 (5.88%) Microservices
5 1 (5.88%) Statistics
Programming Languages
1 11 (64.71%) Python
2 7 (41.18%) Bash Shell
3 5 (29.41%) C
3 5 (29.41%) PowerShell
4 4 (23.53%) C++
5 3 (17.65%) Java
5 3 (17.65%) Korn
5 3 (17.65%) Shell Script
6 2 (11.76%) Ruby
6 2 (11.76%) VBScript
7 1 (5.88%) ANSI C
7 1 (5.88%) PHP
7 1 (5.88%) R
7 1 (5.88%) VB
Qualifications
1 2 (11.76%) AWS Certification
1 2 (11.76%) ITIL Certification
2 1 (5.88%) SC Cleared
2 1 (5.88%) Security Cleared
Quality Assurance & Compliance
1 1 (5.88%) CDISC
1 1 (5.88%) Data Quality
1 1 (5.88%) GCP
System Software
1 5 (29.41%) Hyper-V
2 4 (23.53%) KVM
2 4 (23.53%) VirtualBox
3 3 (17.65%) Active Directory
4 2 (11.76%) Docker
5 1 (5.88%) VMware ESXi
5 1 (5.88%) VMware Infrastructure
Systems Management
1 4 (23.53%) Terraform
2 2 (11.76%) Ansible
2 2 (11.76%) Opscode Chef
2 2 (11.76%) Puppet
3 1 (5.88%) HAProxy
3 1 (5.88%) Kibana
3 1 (5.88%) logstash
3 1 (5.88%) Salt
Vendors
1 3 (17.65%) Microsoft
1 3 (17.65%) NetApp
1 3 (17.65%) Oracle
1 3 (17.65%) VMware
2 2 (11.76%) Cisco
3 1 (5.88%) Atlassian
3 1 (5.88%) Citrix
3 1 (5.88%) Dell
3 1 (5.88%) Google
3 1 (5.88%) HP
3 1 (5.88%) Juniper
3 1 (5.88%) New Relic
3 1 (5.88%) Red Hat
3 1 (5.88%) SolarWinds
3 1 (5.88%) Splunk