The following table provides summary statistics for contract job vacancies with a requirement for PostGIS skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited PostGIS over the 3 months to 23 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.

PostGIS
UK
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 594 564 624
Rank change year-on-year -30 +60  
Contract jobs citing PostGIS 8 79 15
As % of all contract IT jobs advertised in the UK 0.017% 0.15% 0.027%
As % of the Libraries, Frameworks & Software Standards category 0.053% 0.52% 0.097%
Number of daily rates quoted 5 24 8
Median daily rate £375 £425 £523
Median daily rate % change year-on-year -11.76% -18.66%  
UK excluding London median daily rate £375 £425 £545
% change year-on-year -11.76% -22.01%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

PostGIS is in the industry standards, technical specifications and software library and framework skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
UK
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 15019 15261 15400
As % of all contract IT job vacancies advertised in the UK 32.08% 28.36% 27.40%
Number of daily rates quoted 10384 10752 10284
Median daily rate £427 £420 £388
Median daily rate % change year-on-year +1.66% +8.38%  
90% offered a daily rate of more than £315 £300 £280
10% offered a daily rate of more than £580 £550 £550
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 199 178 208
Median hourly rate £41.50 £36.50 £37.00
Median hourly rate % change year-on-year +13.69% -1.35%  
90% offered a hourly rate of more than £19.82 £16.60 £17.68
10% offered a hourly rate of more than £52.50 £51.00 £55.00
UK excluding London median hourly rate £42.50 £36.00 £40.00
% change year-on-year +18.05% -10.00%  

PostGIS
Job Vacancy Trend

The job posting trend of jobs advertised citing PostGIS as a proportion of all contract or permanent IT jobs with a match in the Libraries, Frameworks & Software Standards category.

Job vacancy trend for PostGIS in the UK

PostGIS
Contractor Daily Rate Trend

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

Contractor daily rate trend for PostGIS in the UK

PostGIS
Contractor Hourly Rate Trend

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

Contractor hourly rate trend for PostGIS in the UK

PostGIS
Top 8 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing PostGIS within the UK over the 3 months to 23 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
England +7 4 £375 -9.09% 4
Scotland -26 4 £388 -8.82%
Edinburgh -43 4 £388 -18.42%
London +6 2 - - 1
South East +5 1 - -
North West +3 1 £375 -21.05%
Manchester -8 1 £375 -21.05%
Berkshire - 1 - -

For the 6 months to 23 June 2017, IT contractor jobs citing PostGIS also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads with a requirement for PostGIS.

1 25 (60.98%) JavaScript
2 24 (58.54%) PostgreSQL
3 23 (56.10%) Python
4 18 (43.90%) Java
5 17 (41.46%) HTML
5 17 (41.46%) CSS
6 16 (39.02%) JSON
7 15 (36.59%) SQL
7 15 (36.59%) Linux
8 14 (34.15%) Information Management
9 13 (31.71%) CentOS
9 13 (31.71%) OOP
9 13 (31.71%) OO
9 13 (31.71%) PHP
9 13 (31.71%) C
9 13 (31.71%) NoSQL
10 12 (29.27%) Relational Database
10 12 (29.27%) Windows Server
10 12 (29.27%) TCP/IP
10 12 (29.27%) XML
10 12 (29.27%) XSLT
10 12 (29.27%) RSS
10 12 (29.27%) Windows
10 12 (29.27%) Red Hat
10 12 (29.27%) Ubuntu
10 12 (29.27%) Web 2.0
11 11 (26.83%) Service Management
11 11 (26.83%) ITIL
11 11 (26.83%) Procedural Programming
12 10 (24.39%) Oracle

PostGIS
Co-occurring IT Skills 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 5 (12.20%) GeoServer
2 2 (4.88%) Apache Spark
2 2 (4.88%) ArcGIS
3 1 (2.44%) Elasticsearch
Applications
1 1 (2.44%) Microsoft Excel
1 1 (2.44%) Microsoft Office
1 1 (2.44%) Microsoft PowerPoint
Cloud Services
1 8 (19.51%) Amazon AWS
2 7 (17.07%) Microsoft Azure
3 1 (2.44%) SaaS
Communications & Networking
1 12 (29.27%) TCP/IP
2 1 (2.44%) HTTP
Database & Business Intelligence
1 24 (58.54%) PostgreSQL
2 13 (31.71%) NoSQL
3 12 (29.27%) Relational Database
4 10 (24.39%) GIS
4 10 (24.39%) SQL Server
5 8 (19.51%) Big Data
6 7 (17.07%) Geospatial Data
6 7 (17.07%) QGIS
7 6 (14.63%) Hadoop
8 5 (12.20%) Azure SQL Database
8 5 (12.20%) IBM InfoSphere
8 5 (12.20%) MongoDB
8 5 (12.20%) Power BI
9 4 (9.76%) Informix
10 3 (7.32%) Spatial Data
11 2 (4.88%) Apache Hive
11 2 (4.88%) SQL Server Reporting Services
12 1 (2.44%) Spotfire
12 1 (2.44%) SQL Server 2008
12 1 (2.44%) SQL Server Integration Services
Development Applications
1 3 (7.32%) Cucumber
1 3 (7.32%) Gradle
1 3 (7.32%) JBehave
1 3 (7.32%) JIRA
1 3 (7.32%) Maven
1 3 (7.32%) Selenium
2 2 (4.88%) Git (software)
3 1 (2.44%) Subversion
3 1 (2.44%) Team Foundation Server
3 1 (2.44%) Visual Studio
General
1 8 (19.51%) Law
2 1 (2.44%) Billing
Job Titles
1 29 (70.73%) Developer
2 9 (21.95%) Java Developer
3 7 (17.07%) JavaScript Developer
4 6 (14.63%) Python Developer
5 5 (12.20%) Architect
5 5 (12.20%) Data Architect
6 4 (9.76%) Geospatial Architect
7 3 (7.32%) Angular Developer
7 3 (7.32%) C# Developer
7 3 (7.32%) Open Source Developer
7 3 (7.32%) Software Developer
7 3 (7.32%) SQL Developer
8 2 (4.88%) .NET Developer
8 2 (4.88%) C Developer
8 2 (4.88%) Consultant
8 2 (4.88%) Database Consultant
8 2 (4.88%) GIS Developer
8 2 (4.88%) PostgreSQL Consultant
8 2 (4.88%) Senior Developer
8 2 (4.88%) Software Engineer
Libraries, Frameworks & Software Standards
1 17 (41.46%) CSS
1 17 (41.46%) HTML
2 16 (39.02%) JSON
3 12 (29.27%) RSS
3 12 (29.27%) XML
3 12 (29.27%) XSLT
4 8 (19.51%) Leaflet
5 5 (12.20%) AngularJS
5 5 (12.20%) D3.js
5 5 (12.20%) HTML5
5 5 (12.20%) RESTful
6 4 (9.76%) CSS3
6 4 (9.76%) GeoJSON
6 4 (9.76%) OpenLayers
6 4 (9.76%) React
6 4 (9.76%) REST
6 4 (9.76%) SVG
6 4 (9.76%) Web Services
7 2 (4.88%) Apache Camel
7 2 (4.88%) Node.js
Miscellaneous
1 12 (29.27%) Web 2.0
2 8 (19.51%) Management Information System
3 2 (4.88%) Computer Science
4 1 (2.44%) Driving Licence
Operating Systems
1 15 (36.59%) Linux
2 13 (31.71%) CentOS
3 12 (29.27%) Ubuntu
3 12 (29.27%) Windows
3 12 (29.27%) Windows Server
4 1 (2.44%) Red Hat Enterprise Linux
Processes & Methodologies
1 14 (34.15%) Information Management
2 13 (31.71%) OO
2 13 (31.71%) OOP
3 11 (26.83%) ITIL
3 11 (26.83%) Procedural Programming
3 11 (26.83%) Service Management
4 7 (17.07%) Agile Software Development
4 7 (17.07%) BDD
4 7 (17.07%) ETL
4 7 (17.07%) Event-Driven Architecture
4 7 (17.07%) TDD
5 6 (14.63%) Data Modelling
5 6 (14.63%) Front End Development
5 6 (14.63%) Use Case
6 5 (12.20%) Customer Requirements
6 5 (12.20%) Data Governance
6 5 (12.20%) Logical Data Model
6 5 (12.20%) Metadata Management
6 5 (12.20%) Open Source
6 5 (12.20%) Scrum
Programming Languages
1 25 (60.98%) JavaScript
2 23 (56.10%) Python
3 18 (43.90%) Java
4 15 (36.59%) SQL
5 13 (31.71%) C
5 13 (31.71%) PHP
6 4 (9.76%) C#
7 2 (4.88%) T-SQL
8 1 (2.44%) C++
8 1 (2.44%) Go
8 1 (2.44%) R
8 1 (2.44%) Ruby
8 1 (2.44%) Rust
8 1 (2.44%) Scala
Qualifications
1 8 (19.51%) SC Cleared
1 8 (19.51%) Security Cleared
2 2 (4.88%) Degree
3 1 (2.44%) Computer Science Degree
Quality Assurance & Compliance
1 3 (7.32%) QA
2 2 (4.88%) Disclosure Scotland
System Software
1 1 (2.44%) Docker
Systems Management
1 2 (4.88%) Oozie
2 1 (2.44%) Ansible
2 1 (2.44%) Kubernetes
Vendors
1 12 (29.27%) Red Hat
2 10 (24.39%) Oracle
3 9 (21.95%) ESRI
4 6 (14.63%) Tableau
5 5 (12.20%) IBM
5 5 (12.20%) Informatica
5 5 (12.20%) SAP
6 3 (7.32%) Mapbox
7 2 (4.88%) Cloudera
7 2 (4.88%) Microsoft
8 1 (2.44%) Alteryx
8 1 (2.44%) Mapinfo
8 1 (2.44%) VMware