The following table provides summary statistics for contract job vacancies advertised in Cardiff with a requirement for RESTful skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited RESTful over the 3 months to 24 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.

RESTful
South Wales / Cardiff
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 32 38 22
Rank change year-on-year +6 -16  
Contract jobs citing RESTful 7 1 21
As % of all contract IT jobs advertised in Cardiff 2.18% 0.35% 6.23%
As % of the Libraries, Frameworks & Software Standards category 8.64% 1.11% 20.00%
Number of daily rates quoted 6 1 18
Median daily rate £315 £425 £360
Median daily rate % change year-on-year -25.88% +17.97%  
UK excluding London median daily rate £400 £411 £375
% change year-on-year -2.67% +9.66%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £52.00 - £40.00

RESTful 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 advertised in Cardiff with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
Cardiff
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 81 90 105
As % of all contract IT job vacancies advertised in Cardiff 25.23% 31.14% 31.16%
Number of daily rates quoted 67 70 86
Median daily rate £363 £400 £350
Median daily rate % change year-on-year -9.37% +14.28%  
90% offered a daily rate of more than £315 £298 £200
10% offered a daily rate of more than £400 £475 £425
UK excluding London median daily rate £398 £375 £350
% change year-on-year +6.00% +7.14%  
Number of hourly rates quoted 1 0 0
Median hourly rate £16.28 - -
UK excluding London median hourly rate £42.50 £36.00 £40.00
% change year-on-year +18.05% -10.00%  

RESTful
Job Vacancy Trend in Cardiff

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

Job vacancy trend for RESTful in Cardiff

RESTful
Contractor Daily Rate Trend in Cardiff

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

Contractor daily rate trend for RESTful in Cardiff

For the 6 months to 24 June 2017, IT contractor jobs citing RESTful 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 RESTful.

1 14 (70.00%) HTML
2 11 (55.00%) Scrum
2 11 (55.00%) JSON
3 10 (50.00%) Kafka
3 10 (50.00%) Microservices
3 10 (50.00%) Spring Boot
3 10 (50.00%) Java
4 9 (45.00%) Spring
4 9 (45.00%) MongoDB
5 8 (40.00%) Agile Software Development
5 8 (40.00%) JavaScript
5 8 (40.00%) CSS
6 7 (35.00%) Software Engineering
6 7 (35.00%) Cucumber
6 7 (35.00%) iXBRL
6 7 (35.00%) Test Automation
6 7 (35.00%) Continuous Deployment
7 6 (30.00%) HTML5
7 6 (30.00%) Dropwizard
7 6 (30.00%) Test Scripting
7 6 (30.00%) Continuous Integration
7 6 (30.00%) REST
7 6 (30.00%) CSS3
7 6 (30.00%) Neo4j
7 6 (30.00%) JAX-RS
7 6 (30.00%) AngularJS
7 6 (30.00%) Go
7 6 (30.00%) Hibernate
7 6 (30.00%) Adobe
7 6 (30.00%) Mac OS X

RESTful
Co-occurring 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:

Communications & Networking
1 6 (30.00%) HTTP
Database & Business Intelligence
1 9 (45.00%) MongoDB
2 6 (30.00%) Neo4j
3 5 (25.00%) Relational Database
4 3 (15.00%) MySQL
Development Applications
1 7 (35.00%) Cucumber
2 1 (5.00%) Git (software)
2 1 (5.00%) Xcode
General
1 5 (25.00%) Finance
Job Titles
1 20 (100.00%) Developer
2 10 (50.00%) Java Developer
3 6 (30.00%) Angular Developer
4 3 (15.00%) PHP Developer
5 2 (10.00%) PHP Zend Developer
6 1 (5.00%) Agile Developer
6 1 (5.00%) Agile Java Developer
6 1 (5.00%) AWS Developer
6 1 (5.00%) Developer/Software Engineer
6 1 (5.00%) Front End Developer (Client-Side Developer)
6 1 (5.00%) iOS Developer
6 1 (5.00%) Java Engineer
6 1 (5.00%) Java Software Developer
6 1 (5.00%) Java Software Engineer
6 1 (5.00%) MongoDB Developer
6 1 (5.00%) Software Engineer
Libraries, Frameworks & Software Standards
1 14 (70.00%) HTML
2 11 (55.00%) JSON
3 10 (50.00%) Kafka
3 10 (50.00%) Spring Boot
4 9 (45.00%) Spring
5 8 (40.00%) CSS
6 7 (35.00%) iXBRL
7 6 (30.00%) AngularJS
7 6 (30.00%) CSS3
7 6 (30.00%) Dropwizard
7 6 (30.00%) Hibernate
7 6 (30.00%) HTML5
7 6 (30.00%) JAX-RS
7 6 (30.00%) REST
8 1 (5.00%) Cocoa
8 1 (5.00%) SOAP
8 1 (5.00%) XML
Operating Systems
1 6 (30.00%) Linux
1 6 (30.00%) Mac OS X
1 6 (30.00%) Unix
2 1 (5.00%) Apple iOS
Processes & Methodologies
1 11 (55.00%) Scrum
2 10 (50.00%) Microservices
3 8 (40.00%) Agile Software Development
4 7 (35.00%) Continuous Deployment
4 7 (35.00%) Software Engineering
4 7 (35.00%) Test Automation
5 6 (30.00%) Configuration Management
5 6 (30.00%) Continuous Integration
5 6 (30.00%) Test Scripting
6 5 (25.00%) Responsive Web Design
6 5 (25.00%) Web Design
7 4 (20.00%) TDD
8 2 (10.00%) BDD
9 1 (5.00%) B2C
9 1 (5.00%) Front End Development
9 1 (5.00%) iOS Development
9 1 (5.00%) Mobile Development
9 1 (5.00%) MVC
9 1 (5.00%) Unit Testing
Programming Languages
1 10 (50.00%) Java
2 8 (40.00%) JavaScript
3 6 (30.00%) Go
4 3 (15.00%) PHP
5 1 (5.00%) Apple Swift
5 1 (5.00%) Objective-C
Qualifications
1 3 (15.00%) BPSS Clearance
2 2 (10.00%) Security Cleared
3 1 (5.00%) Degree
3 1 (5.00%) Master's Degree
Quality Assurance & Compliance
1 2 (10.00%) Disclosure Scotland
Vendors
1 6 (30.00%) Adobe
2 2 (10.00%) Zend
3 1 (5.00%) Apple