The following table provides summary statistics for contract job vacancies advertised in Hertfordshire with a requirement for PostgreSQL skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited PostgreSQL over the 3 months to 26 June 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.

PostgreSQL (Postgres)
East of England / Hertfordshire
3 months to
26 Jun 2017
Same period 2016 Same period 2015
Rank 54 51 59
Rank change year-on-year -3 +8  
Contract jobs citing PostgreSQL 7 6 20
As % of all contract IT jobs advertised in Hertfordshire 1.11% 0.93% 2.24%
As % of the Database & Business Intelligence category 6.25% 5.22% 10.31%
Number of daily rates quoted 5 3 7
Median daily rate £400 £325 £325
Median daily rate % change year-on-year +23.07% -  
90% offered a daily rate of more than £350 £317 £300
10% offered a daily rate of more than £480 £385 £350
UK excluding London median daily rate £430 £400 £373
% change year-on-year +7.50% +7.32%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £42.50 £11.00 £33.50
% change year-on-year +286.36% -67.16%  

PostgreSQL is in the database and business intelligence 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 database and business intelligence skills.

Contract Database & Business Intelligence Skills
Hertfordshire
Contract job vacancies with a requirement for database and business intelligence skills 112 115 194
As % of all contract IT job vacancies advertised in Hertfordshire 17.75% 17.83% 21.70%
Number of daily rates quoted 72 64 93
Median daily rate £375 £425 £370
Median daily rate % change year-on-year -11.76% +14.75%  
90% offered a daily rate of more than £251 £288 £300
10% offered a daily rate of more than £500 £475 £500
UK excluding London median daily rate £400 £383 £350
% change year-on-year +4.57% +9.28%  
Number of hourly rates quoted 2 1 1
Median hourly rate £15.00 £12.08 £20.94
Median hourly rate % change year-on-year +24.17% -42.29%  
UK excluding London median hourly rate £38.00 £30.50 £26.00
% change year-on-year +24.59% +17.30%  

PostgreSQL
Job Vacancy Trend in Hertfordshire

The job posting trend of jobs advertised in Hertfordshire citing PostgreSQL as a proportion of all contract or permanent IT jobs with a match in the Database & Business Intelligence category.

Job vacancy trend for PostgreSQL in Hertfordshire

PostgreSQL
Contractor Daily Rate Trend in Hertfordshire

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

Contractor daily rate trend for PostgreSQL in Hertfordshire

PostgreSQL
Contractor Daily Rate Histogram in Hertfordshire

The daily rate distribution of IT jobs citing PostgreSQL in Hertfordshire over the 3 months to 26 June 2017.

Contractor daily rate histogram for PostgreSQL in Hertfordshire

PostgreSQL
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 PostgreSQL within the Hertfordshire region over the 3 months to 26 June 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
Watford -4 2 £350 - 1
Welwyn Garden City +5 1 - -
Hatfield - 1 £413 -
Rickmansworth - 1 £525 -
PostgreSQL
East of England

For the 6 months to 26 June 2017, IT contractor jobs citing PostgreSQL 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 PostgreSQL.

1 29 (96.67%) Linux
2 28 (93.33%) Java
3 21 (70.00%) SQL
3 21 (70.00%) Python
4 20 (66.67%) Apache
4 20 (66.67%) Tomcat
4 20 (66.67%) Perl
4 20 (66.67%) Ruby
4 20 (66.67%) Bash Shell
4 20 (66.67%) LAPP Stack
5 19 (63.33%) Clustering
5 19 (63.33%) TCP/IP
5 19 (63.33%) SSL
5 19 (63.33%) Firewall
5 19 (63.33%) Finance
6 18 (60.00%) Puppet
7 15 (50.00%) Software Engineering
8 14 (46.67%) Configuration Management
8 14 (46.67%) MySQL
9 13 (43.33%) Windows
9 13 (43.33%) C
9 13 (43.33%) DevOps
10 12 (40.00%) Salt
10 12 (40.00%) RHCE
10 12 (40.00%) Computer Science
10 12 (40.00%) High Availability
11 11 (36.67%) LAMP
12 8 (26.67%) C#
13 7 (23.33%) Spring
13 7 (23.33%) Sybase ASE

PostgreSQL
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 20 (66.67%) Apache
1 20 (66.67%) Tomcat
2 4 (13.33%) Elasticsearch
3 2 (6.67%) Confluence
4 1 (3.33%) Cloud Foundry
Applications
1 1 (3.33%) HipChat
Business Applications
1 7 (23.33%) Payment Gateway
Cloud Services
1 2 (6.67%) Amazon AWS
2 1 (3.33%) AWS CloudFormation
Communications & Networking
1 19 (63.33%) Firewall
1 19 (63.33%) SSL
1 19 (63.33%) TCP/IP
Database & Business Intelligence
1 14 (46.67%) MySQL
2 7 (23.33%) Crystal Reports
2 7 (23.33%) MongoDB
2 7 (23.33%) Sybase ASE
Development Applications
1 2 (6.67%) Bitbucket
1 2 (6.67%) Checkstyle
1 2 (6.67%) JIRA
1 2 (6.67%) Maven
1 2 (6.67%) Sonatype Nexus
2 1 (3.33%) Cucumber
General
1 19 (63.33%) Finance
2 2 (6.67%) Banking
3 1 (3.33%) Retail
3 1 (3.33%) Retail Banking
Job Titles
1 10 (33.33%) Software Engineer
2 9 (30.00%) DevOps Engineer
3 8 (26.67%) Developer
3 8 (26.67%) Java Developer
4 3 (10.00%) Systems Engineer
5 1 (3.33%) Angular Developer
5 1 (3.33%) DevOps Systems Engineer
5 1 (3.33%) Infrastructure Engineer
5 1 (3.33%) Java Engineer
5 1 (3.33%) Java Software Developer
5 1 (3.33%) Software Developer
5 1 (3.33%) Software Support Engineer
5 1 (3.33%) Software Tester
5 1 (3.33%) Support Engineer
5 1 (3.33%) Tester
Libraries, Frameworks & Software Standards
1 20 (66.67%) LAPP Stack
2 11 (36.67%) LAMP
3 7 (23.33%) AngularJS
3 7 (23.33%) Hibernate
3 7 (23.33%) J2EE
3 7 (23.33%) JSP
3 7 (23.33%) Spring
3 7 (23.33%) Web Services
4 4 (13.33%) Spring Boot
5 3 (10.00%) .NET
6 1 (3.33%) boto
6 1 (3.33%) Middleware
Miscellaneous
1 19 (63.33%) Clustering
2 12 (40.00%) Computer Science
3 1 (3.33%) Greenfield Project
Operating Systems
1 29 (96.67%) Linux
2 13 (43.33%) Windows
3 2 (6.67%) Solaris
3 2 (6.67%) Unix
Processes & Methodologies
1 15 (50.00%) Software Engineering
2 14 (46.67%) Configuration Management
3 13 (43.33%) DevOps
4 12 (40.00%) High Availability
5 6 (20.00%) User Acceptance Testing
6 4 (13.33%) Data Protection
6 4 (13.33%) Microservices
7 2 (6.67%) Agile Software Development
8 1 (3.33%) BDD
8 1 (3.33%) Human Resource Management
8 1 (3.33%) Scrum
8 1 (3.33%) Test Automation
Programming Languages
1 28 (93.33%) Java
2 21 (70.00%) Python
2 21 (70.00%) SQL
3 20 (66.67%) Bash Shell
3 20 (66.67%) Perl
3 20 (66.67%) Ruby
4 13 (43.33%) C
5 8 (26.67%) C#
6 7 (23.33%) JavaScript
6 7 (23.33%) T-SQL
7 5 (16.67%) VB
8 1 (3.33%) PowerShell
Qualifications
1 12 (40.00%) RHCE
System Software
1 2 (6.67%) Docker
Systems Management
1 18 (60.00%) Puppet
2 12 (40.00%) Salt
3 1 (3.33%) Ansible
3 1 (3.33%) Opscode Chef
3 1 (3.33%) yum
Vendors
1 7 (23.33%) Sybase
2 2 (6.67%) Atlassian
2 2 (6.67%) Sonatype