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 25 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.

3 months to
25 Mar 2017
Same period 2016 Same period 2015
PostgreSQL (Postgres)
London / City of London
Rank 123 126 175
Rank change year-on-year +3 +49  
Contract jobs citing PostgreSQL 32 33 20
As % of all contract IT jobs advertised in the City of London 1.06% 0.99% 0.39%
As % of the Database & Business Intelligence category 3.96% 3.58% 1.58%
Number of daily rates quoted 26 28 14
Median daily rate £500 £475 £475
Median daily rate % change year-on-year +5.20% +0.05%  
90% offered a daily rate of more than £363 £360 £406
10% offered a daily rate of more than £550 £600 £618
UK excluding London median daily rate £425 £401 £380
% change year-on-year +6.11% +5.39%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £26.88 £42.50 £40.00
% change year-on-year -36.76% +6.25%  

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 809 921 1265
As % of all contract IT job vacancies advertised in the City of London 26.70% 27.69% 24.98%
Number of daily rates quoted 640 745 978
Median daily rate £488 £475 £450
Median daily rate % change year-on-year +2.63% +5.55%  
90% offered a daily rate of more than £350 £330 £310
10% offered a daily rate of more than £625 £600 £588
UK excluding London median daily rate £400 £388 £375
% change year-on-year +3.22% +3.33%  
Number of hourly rates quoted 1 6 5
Median hourly rate £22.34 £31.29 £36.00
Median hourly rate % change year-on-year -28.60% -13.09%  
UK excluding London median hourly rate £31.00 £32.50 £32.50
% change year-on-year -4.61% -  

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 25 March 2017.

Contractor daily rate histogram for PostgreSQL in the City of London

PostgreSQL
Top 30 Related IT Skills in the City of London

For the 6 months to 25 March 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 48 (59.26%) Python
2 47 (58.02%) Java
3 43 (53.09%) Linux
4 35 (43.21%) DevOps
5 34 (41.98%) Git (software)
6 29 (35.80%) Agile Software Development
7 26 (32.10%) MongoDB
8 24 (29.63%) Docker
9 21 (25.93%) JavaScript
9 21 (25.93%) MySQL
10 20 (24.69%) SQL
11 19 (23.46%) Apache
11 19 (23.46%) Finance
11 19 (23.46%) Ruby
11 19 (23.46%) JIRA
12 18 (22.22%) Amazon AWS
12 18 (22.22%) Open Source
13 17 (20.99%) Big Data
13 17 (20.99%) Jenkins
14 16 (19.75%) NoSQL
15 15 (18.52%) Django
15 15 (18.52%) Scala
15 15 (18.52%) Hadoop
16 14 (17.28%) Continuous Integration
16 14 (17.28%) Apache Hive
16 14 (17.28%) REST
16 14 (17.28%) Apache Spark
17 13 (16.05%) Microservices
17 13 (16.05%) Elasticsearch
17 13 (16.05%) Kafka

PostgreSQL
Top Related 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 19 (23.46%) Apache
2 14 (17.28%) Apache Spark
3 13 (16.05%) Elasticsearch
3 13 (16.05%) Tomcat
4 7 (8.64%) nginx
5 6 (7.41%) Confluence
6 5 (6.17%) Apache Pig
7 4 (4.94%) OpenStack
8 3 (3.70%) Cloud Foundry
9 2 (2.47%) Apache Solr
9 2 (2.47%) JBoss
10 1 (1.23%) CMS
10 1 (1.23%) Facebook Platform
10 1 (1.23%) IIS
10 1 (1.23%) Mule ESB
Applications
1 2 (2.47%) MS Excel
Business Applications
1 2 (2.47%) SAP Oil and Gas
Cloud Services
1 18 (22.22%) Amazon AWS
2 9 (11.11%) GitHub
3 7 (8.64%) Cloud Computing
4 6 (7.41%) Slack
5 3 (3.70%) Google Cloud Platform
5 3 (3.70%) PaaS
6 2 (2.47%) Amazon EC2
6 2 (2.47%) Datadog
6 2 (2.47%) Microsoft Azure
7 1 (1.23%) Amazon ELB
7 1 (1.23%) Amazon Kinesis
7 1 (1.23%) Amazon S3
7 1 (1.23%) Heroku
7 1 (1.23%) SaaS
Communications & Networking
1 11 (13.58%) Firewall
1 11 (13.58%) TCP/IP
2 10 (12.35%) SSL
3 6 (7.41%) HTTP
4 2 (2.47%) Internet
5 1 (1.23%) Cisco ASA
5 1 (1.23%) DMZ
5 1 (1.23%) DNS
5 1 (1.23%) Intrusion Detection
5 1 (1.23%) Reverse Proxy
5 1 (1.23%) SAN
5 1 (1.23%) VPN
5 1 (1.23%) Wireshark
Database & Business Intelligence
1 26 (32.10%) MongoDB
2 21 (25.93%) MySQL
3 17 (20.99%) Big Data
4 16 (19.75%) NoSQL
5 15 (18.52%) Hadoop
6 14 (17.28%) Apache Hive
7 13 (16.05%) Apache Cassandra
8 12 (14.81%) Relational Database
9 11 (13.58%) Redis
10 10 (12.35%) SQL Server
11 7 (8.64%) HBase
12 5 (6.17%) Data Lake
12 5 (6.17%) Flink
12 5 (6.17%) RDBMS
13 3 (3.70%) Neo4j
14 2 (2.47%) Data Warehouse
15 1 (1.23%) Data Mining
15 1 (1.23%) JasperReports
15 1 (1.23%) SQL Server Integration Services
15 1 (1.23%) SQL Server Reporting Services
Development Applications
1 34 (41.98%) Git (software)
2 19 (23.46%) JIRA
3 17 (20.99%) Jenkins
4 7 (8.64%) JUnit
5 5 (6.17%) Cucumber
5 5 (6.17%) Mercurial
6 4 (4.94%) Bitbucket
6 4 (4.94%) Jasmine
7 3 (3.70%) Subversion
8 2 (2.47%) Artifactory
8 2 (2.47%) Bazaar
8 2 (2.47%) Maven
8 2 (2.47%) Sonatype Nexus
9 1 (1.23%) Ant
9 1 (1.23%) Gerrit
9 1 (1.23%) Mockito
9 1 (1.23%) Oracle Forms
9 1 (1.23%) SonarQube
General
1 19 (23.46%) Finance
2 9 (11.11%) Banking
3 5 (6.17%) Marketing
4 3 (3.70%) Front Office
5 2 (2.47%) Electronics
5 2 (2.47%) Manufacturing
5 2 (2.47%) Telecoms
6 1 (1.23%) Back Office
6 1 (1.23%) French Language
Job Titles
1 27 (33.33%) Developer
2 17 (20.99%) DevOps Engineer
3 9 (11.11%) Django Developer
4 8 (9.88%) Java Developer
4 8 (9.88%) Python Developer
5 6 (7.41%) Administrator
5 6 (7.41%) Analyst
6 5 (6.17%) Python/Django Developer
6 5 (6.17%) Senior DevOps
6 5 (6.17%) Senior DevOps Engineer
7 4 (4.94%) Big Data Engineer
7 4 (4.94%) Data Engineer
7 4 (4.94%) Linux Engineer
7 4 (4.94%) Support Engineer
8 3 (3.70%) Consultant
8 3 (3.70%) Hadoop Administrator
8 3 (3.70%) Java Engineer
8 3 (3.70%) Linux Support
8 3 (3.70%) Senior Developer
8 3 (3.70%) Technical Analyst
Libraries, Frameworks & Software Standards
1 15 (18.52%) Django
2 14 (17.28%) REST
3 13 (16.05%) Kafka
4 12 (14.81%) CSS
4 12 (14.81%) HTML
4 12 (14.81%) Node.js
5 10 (12.35%) RESTful
6 9 (11.11%) LAPP Stack
7 8 (9.88%) AngularJS
7 8 (9.88%) NumPy
7 8 (9.88%) Pandas
8 7 (8.64%) Elastic Stack
9 6 (7.41%) Flask
9 6 (7.41%) RabbitMQ
10 5 (6.17%) Akka
10 5 (6.17%) Pyramid
10 5 (6.17%) Spring
11 4 (4.94%) JSON
11 4 (4.94%) LAMP
11 4 (4.94%) Web Services
Miscellaneous
1 6 (7.41%) Analytical Skills
2 5 (6.17%) Clustering
3 4 (4.94%) User Experience
4 3 (3.70%) Algorithms
5 1 (1.23%) Enterprise Software
5 1 (1.23%) Equities
5 1 (1.23%) Fintech
5 1 (1.23%) Mobile App
5 1 (1.23%) Public Cloud
5 1 (1.23%) Replication
5 1 (1.23%) RIA
5 1 (1.23%) Web 2.0
Operating Systems
1 43 (53.09%) Linux
2 8 (9.88%) Ubuntu
3 7 (8.64%) CentOS
4 6 (7.41%) Red Hat Enterprise Linux
5 4 (4.94%) CoreOS
5 4 (4.94%) RancherOS
6 3 (3.70%) Debian
6 3 (3.70%) Windows
7 2 (2.47%) Android
7 2 (2.47%) Apple iOS
7 2 (2.47%) Unix
7 2 (2.47%) Windows Server
8 1 (1.23%) FreeBSD
Processes & Methodologies
1 35 (43.21%) DevOps
2 29 (35.80%) Agile Software Development
3 18 (22.22%) Open Source
4 14 (17.28%) Continuous Integration
5 13 (16.05%) Microservices
5 13 (16.05%) TDD
6 11 (13.58%) Scrum
7 8 (9.88%) BDD
7 8 (9.88%) Software Engineering
8 6 (7.41%) Analytics
8 6 (7.41%) Configuration Management
8 6 (7.41%) Mentoring
8 6 (7.41%) Statistics
9 5 (6.17%) Continuous Deployment
9 5 (6.17%) High Availability
9 5 (6.17%) MapReduce
10 4 (4.94%) Coaching
10 4 (4.94%) Continuous Delivery
10 4 (4.94%) Kanban
10 4 (4.94%) Security Hardening
Programming Languages
1 48 (59.26%) Python
2 47 (58.02%) Java
3 21 (25.93%) JavaScript
4 20 (24.69%) SQL
5 19 (23.46%) Ruby
6 15 (18.52%) Scala
7 11 (13.58%) R
8 10 (12.35%) Bash Shell
9 9 (11.11%) Go
9 9 (11.11%) Perl
10 7 (8.64%) PHP
11 3 (3.70%) C#
11 3 (3.70%) MATLAB
11 3 (3.70%) VBA
12 2 (2.47%) Groovy
13 1 (1.23%) C
13 1 (1.23%) T-SQL
Qualifications
1 11 (13.58%) Security Cleared
2 10 (12.35%) SC Cleared
3 7 (8.64%) Degree
4 3 (3.70%) PhD
5 2 (2.47%) RHCE
5 2 (2.47%) RHCSA
6 1 (1.23%) CHECK Team Member
6 1 (1.23%) DV Cleared
Quality Assurance & Compliance
1 1 (1.23%) QA
System Software
1 24 (29.63%) Docker
2 4 (4.94%) etcd
2 4 (4.94%) flannel
3 3 (3.70%) Xen
4 2 (2.47%) vCloud
4 2 (2.47%) Virtual Machines
5 1 (1.23%) Gluster
5 1 (1.23%) HDFS
5 1 (1.23%) Hyper-V
5 1 (1.23%) iptables
5 1 (1.23%) NFS
5 1 (1.23%) Oracle RAC
5 1 (1.23%) VMware Infrastructure
Systems Management
1 11 (13.58%) Puppet
2 10 (12.35%) Ansible
3 8 (9.88%) Kubernetes
4 6 (7.41%) Hadoop YARN
4 6 (7.41%) Mesos
5 5 (6.17%) Kibana
5 5 (6.17%) logstash
5 5 (6.17%) Marathon
5 5 (6.17%) Opscode Chef
6 4 (4.94%) Consul
6 4 (4.94%) Docker Swarm
6 4 (4.94%) HAProxy
6 4 (4.94%) Host Intrusion Detection System
6 4 (4.94%) Nagios
6 4 (4.94%) Network Intrusion Detection System
6 4 (4.94%) Rancher
7 3 (3.70%) Salt
8 2 (2.47%) Terraform
9 1 (1.23%) Grafana
9 1 (1.23%) Rundeck
Vendors
1 10 (12.35%) Red Hat
2 6 (7.41%) Cisco
2 6 (7.41%) Hortonworks
2 6 (7.41%) VMware
3 5 (6.17%) Oracle
4 3 (3.70%) Bloomberg
4 3 (3.70%) Citrix
4 3 (3.70%) Cloudera
4 3 (3.70%) Dell
4 3 (3.70%) Google
4 3 (3.70%) Sybase
4 3 (3.70%) Tableau
5 2 (2.47%) SAP
6 1 (1.23%) Facebook
6 1 (1.23%) HP
6 1 (1.23%) Microsoft
6 1 (1.23%) Teradata
6 1 (1.23%) Twitter
6 1 (1.23%) Veeam
6 1 (1.23%) Zend
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