The following table provides summary statistics for contract job vacancies advertised in Southampton with a requirement for Open Source skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Open Source over the 3 months to 25 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.

Open Source
Hampshire / Southampton
3 months to
25 Jun 2017
Same period 2016 Same period 2015
Rank 23 30 40
Rank change year-on-year +7 +10  
Contract jobs citing Open Source 3 1 5
As % of all contract IT jobs advertised in Southampton 1.51% 0.46% 1.37%
As % of the Processes & Methodologies category 2.11% 0.61% 1.61%
Number of daily rates quoted 2 1 4
Median daily rate £530 £300 £344
Median daily rate % change year-on-year +76.66% -12.72%  
90% offered a daily rate of more than £514 £300 £234
10% offered a daily rate of more than £546 £300 £386
UK excluding London median daily rate £475 £450 £400
% change year-on-year +5.55% +12.50%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £47.50 £31.22 £42.50
% change year-on-year +52.13% -26.53%  

Open Source is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Southampton with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Southampton
Contract job vacancies with a requirement for process and methodology skills 142 163 311
As % of all contract IT job vacancies advertised in Southampton 71.36% 75.12% 85.21%
Number of daily rates quoted 85 99 232
Median daily rate £400 £400 £375
Median daily rate % change year-on-year - +6.66%  
90% offered a daily rate of more than £275 £263 £280
10% offered a daily rate of more than £600 £525 £475
UK excluding London median daily rate £415 £400 £380
% change year-on-year +3.75% +5.26%  
Number of hourly rates quoted 9 10 13
Median hourly rate £13.40 £13.00 £15.00
Median hourly rate % change year-on-year +3.07% -13.33%  
90% offered a hourly rate of more than £11.57 £12.50 £12.35
10% offered a hourly rate of more than £20.00 £35.00 £40.00
UK excluding London median hourly rate £34.00 £28.50 £30.00
% change year-on-year +19.29% -5.00%  

Open Source
Job Vacancy Trend in Southampton

The job posting trend of jobs advertised in Southampton citing Open Source as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for Open Source in Southampton

Open Source
Contractor Daily Rate Trend in Southampton

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

Contractor daily rate trend for Open Source in Southampton

Open Source
Contractor Hourly Rate Trend in Southampton

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

Contractor hourly rate trend for Open Source in Southampton

For the 6 months to 25 June 2017, IT contractor jobs citing Open Source 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 Southampton region with a requirement for Open Source.

1 5 (62.50%) Python
2 4 (50.00%) JavaScript
2 4 (50.00%) Oracle
2 4 (50.00%) OpenStack
2 4 (50.00%) Docker
2 4 (50.00%) DevOps
3 3 (37.50%) Elastic Stack
3 3 (37.50%) Visualisation
3 3 (37.50%) Amazon AWS
4 2 (25.00%) Video on Demand
4 2 (25.00%) Data Integration
4 2 (25.00%) VMware Infrastructure
4 2 (25.00%) CentOS
4 2 (25.00%) Puppet
4 2 (25.00%) MongoDB
4 2 (25.00%) Apache Cassandra
4 2 (25.00%) Data Visualisation
4 2 (25.00%) Big Data
4 2 (25.00%) Big Data Analytics
4 2 (25.00%) Data Analytics
4 2 (25.00%) Git (software)
4 2 (25.00%) RESTful
4 2 (25.00%) Hadoop
4 2 (25.00%) Splunk
4 2 (25.00%) Analytics
4 2 (25.00%) Jenkins
4 2 (25.00%) MapR
4 2 (25.00%) Firewall
4 2 (25.00%) Workflow
4 2 (25.00%) Stakeholder Management

Open Source
Co-occurring IT Skills in Southampton 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 4 (50.00%) OpenStack
2 2 (25.00%) Apache
Business Applications
1 2 (25.00%) Oracle Applications
Cloud Services
1 3 (37.50%) Amazon AWS
2 1 (12.50%) PaaS
2 1 (12.50%) SaaS
Communications & Networking
1 2 (25.00%) DNS
1 2 (25.00%) Firewall
1 2 (25.00%) HTTP
1 2 (25.00%) HTTPS
1 2 (25.00%) LAN
1 2 (25.00%) SSL
1 2 (25.00%) TCP/IP
1 2 (25.00%) WAN
Database & Business Intelligence
1 2 (25.00%) Apache Cassandra
1 2 (25.00%) Big Data
1 2 (25.00%) Data Warehouse
1 2 (25.00%) Hadoop
1 2 (25.00%) MongoDB
1 2 (25.00%) MySQL
Development Applications
1 2 (25.00%) Git (software)
1 2 (25.00%) Jenkins
General
1 1 (12.50%) Telecoms
Job Titles
1 4 (50.00%) Developer
2 2 (25.00%) Architect
2 2 (25.00%) Big Data Architect
2 2 (25.00%) Consultant
2 2 (25.00%) Data Architect
2 2 (25.00%) DevOps Engineer
2 2 (25.00%) JavaScript Developer
2 2 (25.00%) Python Developer
3 1 (12.50%) Big Data Consultant
3 1 (12.50%) Cloud Developer
3 1 (12.50%) Data Consultant
3 1 (12.50%) DevOps Consultant
3 1 (12.50%) Front End Developer (Client-Side Developer)
3 1 (12.50%) HTML CSS Developer
3 1 (12.50%) HTML Developer
Libraries, Frameworks & Software Standards
1 3 (37.50%) Elastic Stack
2 2 (25.00%) Apache Drill
2 2 (25.00%) HTML
2 2 (25.00%) JSON
2 2 (25.00%) RESTful
2 2 (25.00%) Sensu
3 1 (12.50%) Ajax
3 1 (12.50%) AngularJS
3 1 (12.50%) CSS
3 1 (12.50%) CSS3
3 1 (12.50%) D3.js
3 1 (12.50%) HTML5
3 1 (12.50%) jQuery
3 1 (12.50%) LESS
3 1 (12.50%) Node.js
3 1 (12.50%) React
3 1 (12.50%) Sass
3 1 (12.50%) WebGL
3 1 (12.50%) XML
Miscellaneous
1 2 (25.00%) Greenfield Project
1 2 (25.00%) Video on Demand
2 1 (12.50%) Computer Science
Operating Systems
1 2 (25.00%) CentOS
1 2 (25.00%) Linux
Processes & Methodologies
1 4 (50.00%) DevOps
2 3 (37.50%) Visualisation
3 2 (25.00%) Analytics
3 2 (25.00%) Big Data Analytics
3 2 (25.00%) Configuration Management
3 2 (25.00%) Creative Problem-Solving
3 2 (25.00%) Data Analytics
3 2 (25.00%) Data Integration
3 2 (25.00%) Data Visualisation
3 2 (25.00%) DRM
3 2 (25.00%) ETL
3 2 (25.00%) Software Engineering
3 2 (25.00%) Stakeholder Management
3 2 (25.00%) Workflow
4 1 (12.50%) Agile Software Development
4 1 (12.50%) Business Transformation
4 1 (12.50%) Cross-Browser Compatibility
4 1 (12.50%) Front End Development
4 1 (12.50%) Machine Learning
4 1 (12.50%) Microservices
Programming Languages
1 5 (62.50%) Python
2 4 (50.00%) JavaScript
3 2 (25.00%) Perl
3 2 (25.00%) PHP
3 2 (25.00%) SQL
System Software
1 4 (50.00%) Docker
2 2 (25.00%) KVM
2 2 (25.00%) VMware Infrastructure
2 2 (25.00%) Xen
Systems Management
1 2 (25.00%) Ansible
1 2 (25.00%) Grafana
1 2 (25.00%) Kubernetes
1 2 (25.00%) logstash
1 2 (25.00%) Opscode Chef
1 2 (25.00%) Puppet
2 1 (12.50%) Marathon
2 1 (12.50%) Mesos
Vendors
1 4 (50.00%) Oracle
2 2 (25.00%) MapR
2 2 (25.00%) Red Hat
2 2 (25.00%) SaltStack
2 2 (25.00%) Splunk
2 2 (25.00%) VMware