The following table provides summary statistics for contract job vacancies advertised in Cardiff 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 24 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
24 Mar 2017
Same period 2016 Same period 2015
Open Source
South Wales / Cardiff
Rank 36 59 -
Rank change year-on-year +23 -  
Contract jobs citing Open Source 5 1 0
As % of all contract IT jobs advertised in Cardiff 1.47% 0.24% -
As % of the Processes & Methodologies category 1.70% 0.28% -
Number of daily rates quoted 4 1 0
Median daily rate £438 £250 -
Median daily rate % change year-on-year +75.00% -  
UK excluding London median daily rate £463 £413 £400
% change year-on-year +12.12% +3.12%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £40.00 £32.50 £39.90
% change year-on-year +23.07% -18.54%  

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 Cardiff with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Cardiff
Contract job vacancies with a requirement for process and methodology skills 294 360 200
As % of all contract IT job vacancies advertised in Cardiff 86.47% 85.92% 77.22%
Number of daily rates quoted 243 260 152
Median daily rate £375 £375 £375
90% offered a daily rate of more than £186 £275 £238
10% offered a daily rate of more than £525 £450 £495
UK excluding London median daily rate £410 £400 £400
% change year-on-year +2.50% -  
Number of hourly rates quoted 7 11 9
Median hourly rate £26.00 £13.00 £18.90
Median hourly rate % change year-on-year +100.00% -31.21%  
90% offered a hourly rate of more than £15.10 £13.00 £12.80
10% offered a hourly rate of more than £33.25 £17.50 £32.50
UK excluding London median hourly rate £36.00 £39.00 £30.00
% change year-on-year -7.69% +30.00%  

Open Source
Job Vacancy Trend in Cardiff

The job posting trend of jobs advertised in Cardiff 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 Cardiff

Open Source
Contractor Daily Rate Trend in Cardiff

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

Contractor daily rate trend for Open Source in Cardiff

Open Source
Top 30 Related IT Skills in Cardiff

For the 6 months to 24 March 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 Cardiff region with a requirement for Open Source.

1 7 (77.78%) Java
1 7 (77.78%) Agile Software Development
2 6 (66.67%) Amazon AWS
3 5 (55.56%) Linux
3 5 (55.56%) Jenkins
3 5 (55.56%) Ansible
3 5 (55.56%) DevOps
4 4 (44.44%) Terraform
4 4 (44.44%) Web Services
4 4 (44.44%) Configuration Management
4 4 (44.44%) Git (software)
4 4 (44.44%) TDD
4 4 (44.44%) Continuous Integration
5 3 (33.33%) Jetty
5 3 (33.33%) WebSphere
5 3 (33.33%) Xen
5 3 (33.33%) VMware
5 3 (33.33%) Google
5 3 (33.33%) nginx
5 3 (33.33%) Security Cleared
5 3 (33.33%) VMware Infrastructure
5 3 (33.33%) Amazon EC2
5 3 (33.33%) Amazon S3
5 3 (33.33%) Google App Engine
5 3 (33.33%) BDD
5 3 (33.33%) DSL
5 3 (33.33%) IIS
5 3 (33.33%) Servlets
5 3 (33.33%) IPsec
5 3 (33.33%) JavaScript

Open Source
Top Related IT Skills in Cardiff 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 3 (33.33%) Apache
1 3 (33.33%) IIS
1 3 (33.33%) Jetty
1 3 (33.33%) Mongrel
1 3 (33.33%) nginx
1 3 (33.33%) Tomcat
1 3 (33.33%) WebSphere
2 2 (22.22%) Elasticsearch
3 1 (11.11%) Cloud Foundry
3 1 (11.11%) Oracle HTTP Server
3 1 (11.11%) WebLogic
Cloud Services
1 6 (66.67%) Amazon AWS
2 3 (33.33%) Amazon EC2
2 3 (33.33%) Amazon S3
2 3 (33.33%) Google App Engine
2 3 (33.33%) Google Cloud Platform
3 1 (11.11%) Amazon CloudWatch
3 1 (11.11%) Amazon ElastiCache
3 1 (11.11%) Amazon ELB
3 1 (11.11%) AWS CloudFormation
3 1 (11.11%) Route 53
3 1 (11.11%) Virtual Private Cloud
Communications & Networking
1 3 (33.33%) DHCP
1 3 (33.33%) DNS
1 3 (33.33%) DSL
1 3 (33.33%) FTP
1 3 (33.33%) HTTP
1 3 (33.33%) IPsec
1 3 (33.33%) SSL
1 3 (33.33%) TCP/IP
Database & Business Intelligence
1 2 (22.22%) Apache Cassandra
1 2 (22.22%) MongoDB
1 2 (22.22%) NoSQL
2 1 (11.11%) Amazon DynamoDB
2 1 (11.11%) Hadoop
2 1 (11.11%) Neo4j
2 1 (11.11%) Relational Database
Development Applications
1 5 (55.56%) Jenkins
2 4 (44.44%) Git (software)
3 3 (33.33%) Travis CI
4 2 (22.22%) Cucumber
4 2 (22.22%) Selenium
5 1 (11.11%) WebDriver
Job Titles
1 4 (44.44%) Developer
2 3 (33.33%) Java Developer
3 2 (22.22%) Scala Developer
4 1 (11.11%) Agile Developer
4 1 (11.11%) Agile Tester
4 1 (11.11%) Automation Tester
4 1 (11.11%) AWS Developer
4 1 (11.11%) Cloud Engineer
4 1 (11.11%) Developer/Software Engineer
4 1 (11.11%) DevOps Engineer
4 1 (11.11%) Java Scala Developer
4 1 (11.11%) Java Software Developer
4 1 (11.11%) Lead Tester
4 1 (11.11%) QA Automation Tester
4 1 (11.11%) QA Leader
4 1 (11.11%) QA Tester
4 1 (11.11%) Scala Software Engineer
4 1 (11.11%) Software Developer
4 1 (11.11%) Software Engineer
4 1 (11.11%) Tester
Libraries, Frameworks & Software Standards
1 4 (44.44%) Web Services
2 3 (33.33%) .NET
2 3 (33.33%) J2EE
2 3 (33.33%) Servlets
3 2 (22.22%) REST
3 2 (22.22%) RESTful
3 2 (22.22%) Spring
4 1 (11.11%) .NET Framework
4 1 (11.11%) Akka
4 1 (11.11%) CSS
4 1 (11.11%) Gherkin
4 1 (11.11%) Hibernate
4 1 (11.11%) HTML
4 1 (11.11%) Java EE
4 1 (11.11%) Kafka
4 1 (11.11%) Play Framework
4 1 (11.11%) Spring MVC
Operating Systems
1 5 (55.56%) Linux
Processes & Methodologies
1 7 (77.78%) Agile Software Development
2 5 (55.56%) DevOps
3 4 (44.44%) Configuration Management
3 4 (44.44%) Continuous Integration
3 4 (44.44%) TDD
4 3 (33.33%) BDD
5 2 (22.22%) High Availability
5 2 (22.22%) Kanban
5 2 (22.22%) Mentoring
5 2 (22.22%) Microservices
5 2 (22.22%) Scrum
5 2 (22.22%) Software Engineering
6 1 (11.11%) Domain-Driven Design
6 1 (11.11%) Migration
6 1 (11.11%) MVC
6 1 (11.11%) OO
6 1 (11.11%) Performance Tuning
6 1 (11.11%) QA Automation
6 1 (11.11%) Software Delivery
Programming Languages
1 7 (77.78%) Java
2 3 (33.33%) JavaScript
3 2 (22.22%) Scala
4 1 (11.11%) Perl
4 1 (11.11%) SQL
Qualifications
1 3 (33.33%) Security Cleared
2 2 (22.22%) SC Cleared
Quality Assurance & Compliance
1 1 (11.11%) QA
System Software
1 3 (33.33%) VMware Infrastructure
1 3 (33.33%) Xen
2 1 (11.11%) Docker
Systems Management
1 5 (55.56%) Ansible
2 4 (44.44%) Terraform
3 3 (33.33%) Marathon
3 3 (33.33%) Mesos
3 3 (33.33%) Puppet
3 3 (33.33%) Rundeck
4 1 (11.11%) Fluentd
4 1 (11.11%) Grafana
4 1 (11.11%) Kibana
Vendors
1 3 (33.33%) Google
1 3 (33.33%) Microsoft
1 3 (33.33%) VMware
2 1 (11.11%) Oracle