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 3 months to 28 March 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
East of England / Hertfordshire
3 months to
28 Mar 2017
Same period 2016 Same period 2015
Rank 39 58 55
Rank change year-on-year +19 -3  
Contract jobs citing Perl 18 3 11
As % of all contract IT jobs advertised in Hertfordshire 3.05% 0.44% 1.55%
As % of the Programming Languages category 8.33% 1.61% 4.33%
Number of daily rates quoted 9 0 3
Median daily rate £405 - £350
90% offered a daily rate of more than £366 - £290
10% offered a daily rate of more than £515 - £370
UK excluding London median daily rate £475 £400 £375
% change year-on-year +18.75% +6.66%  
Number of hourly rates quoted 0 2 0
Median hourly rate - £37.50 -
UK excluding London median hourly rate £39.00 £38.50 £37.50
% change year-on-year +1.29% +2.66%  

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 Hertfordshire with a requirement for programming language skills.

Contract Programming Language Skills
Hertfordshire
Contract job vacancies with a requirement for programming language skills 216 186 254
As % of all contract IT job vacancies advertised in Hertfordshire 36.61% 27.07% 35.88%
Number of daily rates quoted 140 105 116
Median daily rate £405 £375 £375
Median daily rate % change year-on-year +8.00% -  
90% offered a daily rate of more than £250 £300 £275
10% offered a daily rate of more than £600 £525 £500
UK excluding London median daily rate £388 £375 £350
% change year-on-year +3.33% +7.14%  
Number of hourly rates quoted 20 18 9
Median hourly rate £45.71 £49.50 £37.50
Median hourly rate % change year-on-year -7.66% +32.00%  
90% offered a hourly rate of more than £37.50 £37.50 £32.50
10% offered a hourly rate of more than £52.50 £50.00 £40.00
UK excluding London median hourly rate £41.50 £40.00 £36.00
% change year-on-year +3.75% +11.11%  

Perl
Job Vacancy Trend in Hertfordshire

The job posting trend of jobs advertised in Hertfordshire 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 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 3 months to 28 March 2017.

Contractor daily rate histogram for Perl in Hertfordshire

Perl
Contractor Hourly Rate Trend in Hertfordshire

This chart provides the 3-month moving average for hourly rates quoted in IT contractor 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 3 months to 28 March 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Hatfield - 9 £405 - 1
Welwyn Garden City - 7 £453 -
St Albans - 1 £500 -
Perl
East of England

Perl
Top 30 Co-occurring IT Skills in Hertfordshire

For the 6 months to 28 March 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 Hertfordshire region with a requirement for Perl.

1 32 (96.97%) Linux
2 27 (81.82%) Python
2 27 (81.82%) Ruby
3 25 (75.76%) Java
4 24 (72.73%) Apache
5 23 (69.70%) PostgreSQL
5 23 (69.70%) LAPP Stack
6 22 (66.67%) Puppet
7 20 (60.61%) Bash Shell
8 19 (57.58%) Tomcat
9 18 (54.55%) TCP/IP
9 18 (54.55%) SSL
9 18 (54.55%) Firewall
9 18 (54.55%) Clustering
10 17 (51.52%) DevOps
11 16 (48.48%) LAMP
11 16 (48.48%) MySQL
12 14 (42.42%) Software Engineering
13 13 (39.39%) Computer Science
13 13 (39.39%) SQL
14 12 (36.36%) Finance
14 12 (36.36%) Configuration Management
14 12 (36.36%) RHCE
14 12 (36.36%) Salt
14 12 (36.36%) High Availability
15 8 (24.24%) Unix
16 7 (21.21%) C
16 7 (21.21%) Shell Script
16 7 (21.21%) Opscode Chef
16 7 (21.21%) Payment Gateway

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 24 (72.73%) Apache
2 19 (57.58%) Tomcat
3 5 (15.15%) nginx
Business Applications
1 7 (21.21%) Payment Gateway
Cloud Services
1 2 (6.06%) Amazon AWS
2 1 (3.03%) GitHub
Communications & Networking
1 18 (54.55%) Firewall
1 18 (54.55%) SSL
1 18 (54.55%) TCP/IP
2 5 (15.15%) DHCP
2 5 (15.15%) DNS
3 4 (12.12%) HTTP
Database & Business Intelligence
1 23 (69.70%) PostgreSQL
2 16 (48.48%) MySQL
Development Applications
1 2 (6.06%) Jenkins
2 1 (3.03%) Hudson
2 1 (3.03%) JIRA
General
1 12 (36.36%) Finance
2 2 (6.06%) Banking
3 1 (3.03%) Retail
3 1 (3.03%) Retail Banking
Job Titles
1 14 (42.42%) DevOps Engineer
2 9 (27.27%) Software Engineer
3 6 (18.18%) Consultant
3 6 (18.18%) Unix Consultant
4 4 (12.12%) Operations Engineer
5 3 (9.09%) Systems Engineer
6 2 (6.06%) Linux DevOps Engineer
6 2 (6.06%) Linux Engineer
6 2 (6.06%) Linux/Unix DevOps
7 1 (3.03%) AWS Architect
7 1 (3.03%) AWS DevOps
7 1 (3.03%) DevOps Architect
7 1 (3.03%) DevOps Systems Engineer
7 1 (3.03%) Infrastructure Engineer
7 1 (3.03%) Senior DevOps
7 1 (3.03%) Senior DevOps Engineer
7 1 (3.03%) Senior Linux Engineer
7 1 (3.03%) Senior Operations Engineer
7 1 (3.03%) Software Support Engineer
7 1 (3.03%) Systems Integrator
Libraries, Frameworks & Software Standards
1 23 (69.70%) LAPP Stack
2 16 (48.48%) LAMP
3 5 (15.15%) LEMP Stack
4 1 (3.03%) Oracle Fusion
Miscellaneous
1 18 (54.55%) Clustering
2 13 (39.39%) Computer Science
3 1 (3.03%) iPad
3 1 (3.03%) Wiki
Operating Systems
1 32 (96.97%) Linux
2 8 (24.24%) Unix
3 6 (18.18%) Red Hat Enterprise Linux
3 6 (18.18%) Windows
4 1 (3.03%) Ubuntu
Processes & Methodologies
1 17 (51.52%) DevOps
2 14 (42.42%) Software Engineering
3 12 (36.36%) Configuration Management
3 12 (36.36%) High Availability
4 6 (18.18%) User Acceptance Testing
5 5 (15.15%) Data Protection
6 2 (6.06%) Agile Software Development
6 2 (6.06%) Continuous Delivery
7 1 (3.03%) API Integration
7 1 (3.03%) Continuous Integration
7 1 (3.03%) E-Commerce
7 1 (3.03%) Human Resource Management
7 1 (3.03%) Information Security
7 1 (3.03%) Mentoring
7 1 (3.03%) Migration
7 1 (3.03%) Open Source
7 1 (3.03%) Pair Programming
7 1 (3.03%) Security Hardening
7 1 (3.03%) Technical Architecture
7 1 (3.03%) Web Operations
Programming Languages
1 27 (81.82%) Python
1 27 (81.82%) Ruby
2 25 (75.76%) Java
3 20 (60.61%) Bash Shell
4 13 (39.39%) SQL
5 7 (21.21%) C
5 7 (21.21%) Shell Script
6 5 (15.15%) C#
6 5 (15.15%) PHP
6 5 (15.15%) VB
7 1 (3.03%) C++
7 1 (3.03%) PowerShell
Qualifications
1 12 (36.36%) RHCE
2 6 (18.18%) SC Cleared
2 6 (18.18%) Security Cleared
3 1 (3.03%) Degree
System Software
1 5 (15.15%) Virtual Machines
1 5 (15.15%) Virtual Servers
1 5 (15.15%) VMware Infrastructure
2 4 (12.12%) FreeRADIUS
3 1 (3.03%) Docker
Systems Management
1 22 (66.67%) Puppet
2 12 (36.36%) Salt
3 7 (21.21%) Opscode Chef
4 6 (18.18%) Ansible
5 5 (15.15%) Nagios
6 1 (3.03%) Nessus
6 1 (3.03%) Packer
6 1 (3.03%) Terraform
Vendors
1 6 (18.18%) Red Hat
2 5 (15.15%) VMware
3 4 (12.12%) Cisco
4 1 (3.03%) Oracle
4 1 (3.03%) Splunk
4 1 (3.03%) xMatters