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

Representational State Transfer (REST)
South Wales / Cardiff
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 37 32 36
Rank change year-on-year -5 +4  
Contract jobs citing REST 2 7 7
As % of all contract IT jobs advertised in Cardiff 0.62% 2.42% 2.08%
As % of the Libraries, Frameworks & Software Standards category 2.47% 7.78% 6.67%
Number of daily rates quoted 1 7 6
Median daily rate £260 £500 £394
Median daily rate % change year-on-year -48.00% +26.98%  
UK excluding London median daily rate £425 £438 £400
% change year-on-year -2.85% +9.37%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £45.00 £31.90 £55.00
% change year-on-year +41.06% -42.00%  

REST 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%  

REST
Job Vacancy Trend in Cardiff

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

Job vacancy trend for REST in Cardiff

REST
Contractor Daily Rate Trend in Cardiff

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

Contractor daily rate trend for REST in Cardiff

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

1 11 (84.62%) Java
1 11 (84.62%) Linux
2 10 (76.92%) Microservices
2 10 (76.92%) Dropwizard
2 10 (76.92%) Continuous Deployment
3 9 (69.23%) Agile Software Development
3 9 (69.23%) Spring
4 8 (61.54%) HTML
5 7 (53.85%) JSON
5 7 (53.85%) Test Automation
6 6 (46.15%) RESTful
6 6 (46.15%) Unix
6 6 (46.15%) MongoDB
6 6 (46.15%) Kafka
6 6 (46.15%) JAX-RS
6 6 (46.15%) Neo4j
6 6 (46.15%) HTTP
6 6 (46.15%) Mac OS X
6 6 (46.15%) Configuration Management
6 6 (46.15%) Hibernate
6 6 (46.15%) Scrum
6 6 (46.15%) Spring Boot
6 6 (46.15%) Relational Database
7 5 (38.46%) Web Design
7 5 (38.46%) Responsive Web Design
7 5 (38.46%) iXBRL
7 5 (38.46%) Cucumber
7 5 (38.46%) Software Engineering
8 4 (30.77%) Java EE
8 4 (30.77%) Continuous Integration

REST
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:

Application Platforms
1 1 (7.69%) Apache
1 1 (7.69%) SharePoint
1 1 (7.69%) SharePoint 2013
Communications & Networking
1 6 (46.15%) HTTP
Database & Business Intelligence
1 6 (46.15%) MongoDB
1 6 (46.15%) Neo4j
1 6 (46.15%) Relational Database
2 1 (7.69%) MySQL
Development Applications
1 5 (38.46%) Cucumber
2 2 (15.38%) gulp
3 1 (7.69%) Babel
3 1 (7.69%) Grunt
3 1 (7.69%) Jasmine
3 1 (7.69%) Mocha
3 1 (7.69%) WebDriver
3 1 (7.69%) webpack
General
1 4 (30.77%) Finance
2 1 (7.69%) Banking
2 1 (7.69%) Investment Banking
Job Titles
1 10 (76.92%) Developer
2 8 (61.54%) Java Developer
3 3 (23.08%) Architect
3 3 (23.08%) Java Architect
3 3 (23.08%) Java Solutions Architect
3 3 (23.08%) Solutions Architect
4 2 (15.38%) Senior Developer
5 1 (7.69%) PHP Developer
5 1 (7.69%) Senior Java Developer
5 1 (7.69%) Senior Web Developer
5 1 (7.69%) Web Developer
Libraries, Frameworks & Software Standards
1 10 (76.92%) Dropwizard
2 9 (69.23%) Spring
3 8 (61.54%) HTML
4 7 (53.85%) JSON
5 6 (46.15%) Hibernate
5 6 (46.15%) JAX-RS
5 6 (46.15%) Kafka
5 6 (46.15%) RESTful
5 6 (46.15%) Spring Boot
6 5 (38.46%) iXBRL
7 4 (30.77%) Java EE
8 2 (15.38%) AngularJS
8 2 (15.38%) CSS
8 2 (15.38%) Sass
9 1 (7.69%) Express
9 1 (7.69%) Handlebars
9 1 (7.69%) Laravel
9 1 (7.69%) Node.js
9 1 (7.69%) React
9 1 (7.69%) Twitter Bootstrap
Miscellaneous
1 1 (7.69%) User Experience
1 1 (7.69%) W3C
Operating Systems
1 11 (84.62%) Linux
2 6 (46.15%) Mac OS X
2 6 (46.15%) Unix
Processes & Methodologies
1 10 (76.92%) Continuous Deployment
1 10 (76.92%) Microservices
2 9 (69.23%) Agile Software Development
3 7 (53.85%) Test Automation
4 6 (46.15%) Configuration Management
4 6 (46.15%) Scrum
5 5 (38.46%) Responsive Web Design
5 5 (38.46%) Software Engineering
5 5 (38.46%) Web Design
6 4 (30.77%) API Design
6 4 (30.77%) Continuous Integration
6 4 (30.77%) CQRS
6 4 (30.77%) DevOps
7 2 (15.38%) Mobile First
8 1 (7.69%) BDD
8 1 (7.69%) Software Delivery
8 1 (7.69%) Software Testing
8 1 (7.69%) TDD
8 1 (7.69%) Unit Testing
8 1 (7.69%) Web Development
Programming Languages
1 11 (84.62%) Java
2 4 (30.77%) Go
3 2 (15.38%) JavaScript
4 1 (7.69%) C#
4 1 (7.69%) PHP
4 1 (7.69%) Python
4 1 (7.69%) TypeScript
Qualifications
1 2 (15.38%) BPSS Clearance
1 2 (15.38%) Security Cleared
2 1 (7.69%) SC Cleared
Quality Assurance & Compliance
1 1 (7.69%) Disclosure Scotland
System Software
1 1 (7.69%) Docker