The following table provides summary statistics for contract job vacancies advertised in the City of London 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 28 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)
London / City of London
3 months to
28 Jun 2017
Same period 2016 Same period 2015
Rank 135 115 160
Rank change year-on-year -20 +45  
Contract jobs citing PostgreSQL 31 50 45
As % of all contract IT jobs advertised in the City of London 0.95% 1.49% 0.78%
As % of the Database & Business Intelligence category 3.71% 6.15% 3.05%
Number of daily rates quoted 21 43 36
Median daily rate £500 £450 £455
Median daily rate % change year-on-year +11.11% -1.09%  
90% offered a daily rate of more than £450 £380 £381
10% offered a daily rate of more than £650 £535 £600
UK excluding London median daily rate £430 £400 £375
% change year-on-year +7.50% +6.66%  
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 the City of London with a requirement for database and business intelligence skills.

Contract Database & Business Intelligence Skills
City of London
Contract job vacancies with a requirement for database and business intelligence skills 836 813 1475
As % of all contract IT job vacancies advertised in the City of London 25.62% 24.15% 25.69%
Number of daily rates quoted 652 648 1171
Median daily rate £503 £475 £450
Median daily rate % change year-on-year +5.78% +5.55%  
90% offered a daily rate of more than £388 £340 £325
10% offered a daily rate of more than £650 £625 £600
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 2 4 7
Median hourly rate £21.50 £17.88 £30.00
Median hourly rate % change year-on-year +20.27% -40.41%  
UK excluding London median hourly rate £38.00 £31.14 £26.00
% change year-on-year +22.04% +19.75%  

PostgreSQL
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London 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 the City of London

PostgreSQL
Contractor Daily Rate Trend in the City of London

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

Contractor daily rate trend for PostgreSQL in the City of London

PostgreSQL
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing PostgreSQL in the City of London over the 3 months to 28 June 2017.

Contractor daily rate histogram for PostgreSQL in the City of London

For the 6 months to 28 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 City of London region with a requirement for PostgreSQL.

1 44 (67.69%) Java
2 33 (50.77%) Python
3 28 (43.08%) Linux
4 24 (36.92%) Agile Software Development
5 23 (35.38%) MySQL
5 23 (35.38%) MongoDB
5 23 (35.38%) DevOps
6 21 (32.31%) SQL
7 18 (27.69%) JavaScript
7 18 (27.69%) TDD
7 18 (27.69%) Git (software)
8 15 (23.08%) NoSQL
9 14 (21.54%) REST
9 14 (21.54%) Test Automation
9 14 (21.54%) Open Source
9 14 (21.54%) Continuous Integration
9 14 (21.54%) Oracle
9 14 (21.54%) TCP/IP
9 14 (21.54%) Docker
10 13 (20.00%) SSL
10 13 (20.00%) SQL Server
10 13 (20.00%) Software Engineering
10 13 (20.00%) Finance
10 13 (20.00%) Jenkins
11 12 (18.46%) Ruby
12 11 (16.92%) Banking
12 11 (16.92%) Apache
12 11 (16.92%) Node.js
12 11 (16.92%) Amazon AWS
13 10 (15.38%) RESTful

PostgreSQL
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 11 (16.92%) Apache
2 10 (15.38%) Tomcat
3 8 (12.31%) Confluence
4 7 (10.77%) Apache Spark
5 3 (4.62%) JBoss
5 3 (4.62%) nginx
5 3 (4.62%) OpenStack
6 2 (3.08%) Cloud Foundry
7 1 (1.54%) Elasticsearch
7 1 (1.54%) Facebook Platform
7 1 (1.54%) Jupyter
Applications
1 4 (6.15%) Microsoft Excel
Business Applications
1 1 (1.54%) SAP Oil and Gas
Cloud Services
1 11 (16.92%) Amazon AWS
2 7 (10.77%) Slack
3 5 (7.69%) Heroku
4 4 (6.15%) GitHub
5 3 (4.62%) Microsoft Azure
6 2 (3.08%) Bluemix
6 2 (3.08%) IBM Cloud
6 2 (3.08%) PaaS
7 1 (1.54%) Amazon EC2
7 1 (1.54%) Amazon S3
7 1 (1.54%) Google Cloud Platform
7 1 (1.54%) Route 53
7 1 (1.54%) SaaS
Communications & Networking
1 14 (21.54%) TCP/IP
2 13 (20.00%) SSL
3 10 (15.38%) HTTP
4 6 (9.23%) Firewall
5 5 (7.69%) DNS
6 3 (4.62%) FTP
Database & Business Intelligence
1 23 (35.38%) MongoDB
1 23 (35.38%) MySQL
2 15 (23.08%) NoSQL
3 13 (20.00%) SQL Server
4 10 (15.38%) Relational Database
5 8 (12.31%) Apache Cassandra
5 8 (12.31%) Big Data
5 8 (12.31%) Hadoop
6 5 (7.69%) Redis
7 3 (4.62%) Apache Hive
7 3 (4.62%) Data Warehouse
8 2 (3.08%) JasperReports
8 2 (3.08%) Neo4j
8 2 (3.08%) Oracle ODI
8 2 (3.08%) RDBMS
8 2 (3.08%) SQL Server Integration Services
8 2 (3.08%) SQL Server Reporting Services
9 1 (1.54%) Couchbase
9 1 (1.54%) MariaDB
9 1 (1.54%) Oracle Database
Development Applications
1 18 (27.69%) Git (software)
2 13 (20.00%) Jenkins
3 10 (15.38%) JIRA
4 6 (9.23%) JUnit
5 5 (7.69%) Cucumber
6 4 (6.15%) Jasmine
7 3 (4.62%) Gradle
7 3 (4.62%) Mercurial
7 3 (4.62%) webpack
8 2 (3.08%) Artifactory
8 2 (3.08%) Bitbucket
8 2 (3.08%) Sonatype Nexus
8 2 (3.08%) Subversion
9 1 (1.54%) Ant
9 1 (1.54%) FitNesse
9 1 (1.54%) IntelliJ
9 1 (1.54%) Maven
9 1 (1.54%) Oracle Forms
9 1 (1.54%) Travis CI
General
1 13 (20.00%) Finance
2 11 (16.92%) Banking
3 3 (4.62%) Retail
4 2 (3.08%) Back Office
4 2 (3.08%) Legal
4 2 (3.08%) Marketing
5 1 (1.54%) Electronics
5 1 (1.54%) Manufacturing
5 1 (1.54%) Telecoms
Job Titles
1 30 (46.15%) Developer
2 13 (20.00%) DevOps Engineer
2 13 (20.00%) Java Developer
3 11 (16.92%) Python Developer
4 6 (9.23%) Architect
4 6 (9.23%) Senior DevOps
4 6 (9.23%) Senior DevOps Engineer
5 5 (7.69%) Games Developer
6 4 (6.15%) Analyst
7 3 (4.62%) Django Developer
7 3 (4.62%) Infrastructure Engineer
7 3 (4.62%) Java Games Developer
7 3 (4.62%) Linux Engineer
7 3 (4.62%) Platform Architect
7 3 (4.62%) Scala Developer
7 3 (4.62%) Software Developer
7 3 (4.62%) SQL Developer
8 2 (3.08%) Linux Support
8 2 (3.08%) Senior Linux Engineer
8 2 (3.08%) Senior Linux Support
Libraries, Frameworks & Software Standards
1 14 (21.54%) REST
2 11 (16.92%) Node.js
3 10 (15.38%) RESTful
4 8 (12.31%) Django
5 7 (10.77%) LAPP Stack
6 4 (6.15%) CSS
6 4 (6.15%) HTML
6 4 (6.15%) JSON
6 4 (6.15%) Spring
6 4 (6.15%) Web Services
7 3 (4.62%) AngularJS
7 3 (4.62%) Dropwizard
7 3 (4.62%) Guice
7 3 (4.62%) NumPy
7 3 (4.62%) OAuth
7 3 (4.62%) Pandas
7 3 (4.62%) RabbitMQ
7 3 (4.62%) Ratpack
7 3 (4.62%) SOAP
7 3 (4.62%) Spring MVC
Miscellaneous
1 5 (7.69%) Photography
2 4 (6.15%) Clustering
2 4 (6.15%) Greenfield Project
2 4 (6.15%) Public Cloud
3 3 (4.62%) Enterprise Software
4 2 (3.08%) Equities
4 2 (3.08%) User Experience
5 1 (1.54%) Data Structures
5 1 (1.54%) Fintech
5 1 (1.54%) Foreign Exchange (FX)
5 1 (1.54%) Hedge funds
5 1 (1.54%) Mobile App
5 1 (1.54%) Video Conferencing
5 1 (1.54%) Virtual Team
5 1 (1.54%) Web 2.0
Operating Systems
1 28 (43.08%) Linux
2 7 (10.77%) Red Hat Enterprise Linux
3 5 (7.69%) Ubuntu
4 4 (6.15%) CoreOS
5 3 (4.62%) CentOS
5 3 (4.62%) Unix
6 1 (1.54%) Android
6 1 (1.54%) Apple iOS
6 1 (1.54%) RancherOS
6 1 (1.54%) Windows
6 1 (1.54%) Windows Server
Processes & Methodologies
1 24 (36.92%) Agile Software Development
2 23 (35.38%) DevOps
3 18 (27.69%) TDD
4 14 (21.54%) Continuous Integration
4 14 (21.54%) Open Source
4 14 (21.54%) Test Automation
5 13 (20.00%) Software Engineering
6 9 (13.85%) BDD
7 8 (12.31%) Microservices
8 7 (10.77%) Continuous Delivery
8 7 (10.77%) OO
9 6 (9.23%) Configuration Management
9 6 (9.23%) Functional Testing
9 6 (9.23%) Scrum
10 5 (7.69%) Analytics
10 5 (7.69%) ETL
11 4 (6.15%) Business Intelligence
11 4 (6.15%) Migration
11 4 (6.15%) MVC
11 4 (6.15%) Refactoring
Programming Languages
1 44 (67.69%) Java
2 33 (50.77%) Python
3 21 (32.31%) SQL
4 18 (27.69%) JavaScript
5 12 (18.46%) Ruby
6 9 (13.85%) Bash Shell
7 6 (9.23%) Perl
7 6 (9.23%) Scala
8 4 (6.15%) C#
8 4 (6.15%) Groovy
9 3 (4.62%) Go
9 3 (4.62%) VBA
10 2 (3.08%) PHP
10 2 (3.08%) T-SQL
11 1 (1.54%) C
11 1 (1.54%) R
Qualifications
1 8 (12.31%) Security Cleared
2 7 (10.77%) SC Cleared
3 3 (4.62%) Degree
4 1 (1.54%) CHECK Team Member
Quality Assurance & Compliance
1 2 (3.08%) MiFID
System Software
1 14 (21.54%) Docker
2 3 (4.62%) vCloud
3 1 (1.54%) etcd
3 1 (1.54%) flannel
3 1 (1.54%) Oracle RAC
3 1 (1.54%) Virtual Machines
3 1 (1.54%) VMware Infrastructure
Systems Management
1 10 (15.38%) Puppet
2 9 (13.85%) Ansible
3 8 (12.31%) Kubernetes
4 6 (9.23%) Terraform
5 4 (6.15%) Docker Swarm
5 4 (6.15%) Opscode Chef
6 2 (3.08%) Grafana
6 2 (3.08%) HAProxy
6 2 (3.08%) Kibana
6 2 (3.08%) logstash
6 2 (3.08%) Marathon
6 2 (3.08%) Mesos
7 1 (1.54%) Consul
7 1 (1.54%) Host Intrusion Detection System
7 1 (1.54%) Network Intrusion Detection System
7 1 (1.54%) Rancher
Vendors
1 14 (21.54%) Oracle
2 5 (7.69%) Red Hat
3 3 (4.62%) Bloomberg
3 3 (4.62%) SaltStack
3 3 (4.62%) Sybase
3 3 (4.62%) VMware
4 2 (3.08%) IBM
4 2 (3.08%) Tableau
5 1 (1.54%) Ab Initio
5 1 (1.54%) Cloudera
5 1 (1.54%) Facebook
5 1 (1.54%) Google
5 1 (1.54%) Hortonworks
5 1 (1.54%) Informatica
5 1 (1.54%) Jaspersoft
5 1 (1.54%) Microsoft
5 1 (1.54%) Netezza
5 1 (1.54%) SAP
5 1 (1.54%) Teradata
5 1 (1.54%) Twitter
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