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 25 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
25 Mar 2017
Same period 2016 Same period 2015
Representational State Transfer (REST)
South Wales / Cardiff
Rank 30 46 39
Rank change year-on-year +16 -7  
Contract jobs citing REST 11 14 1
As % of all contract IT jobs advertised in Cardiff 3.24% 3.36% 0.38%
As % of the Libraries, Frameworks & Software Standards category 9.24% 8.33% 1.52%
Number of daily rates quoted 9 7 0
Median daily rate £425 £410 -
Median daily rate % change year-on-year +3.65% -  
UK excluding London median daily rate £425 £413 £400
% change year-on-year +3.03% +3.12%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £50.00 £40.00 £32.25
% change year-on-year +25.00% +24.03%  

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 119 168 66
As % of all contract IT job vacancies advertised in Cardiff 35.00% 40.29% 25.19%
Number of daily rates quoted 99 125 40
Median daily rate £388 £380 £375
Median daily rate % change year-on-year +1.97% +1.33%  
90% offered a daily rate of more than £225 £288 £278
10% offered a daily rate of more than £475 £473 £550
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 0 0 2
Median hourly rate - - £32.50
UK excluding London median hourly rate £40.00 £38.00 £36.00
% change year-on-year +5.26% +5.55%  

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

REST
Contractor Daily Rate Histogram in Cardiff

The daily rate distribution of IT jobs citing REST in Cardiff over the 3 months to 25 March 2017.

Contractor daily rate histogram for REST in Cardiff

REST
Top 30 Related IT Skills in Cardiff

For the 6 months to 25 March 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 22 (84.62%) Agile Software Development
2 20 (76.92%) Java
3 17 (65.38%) HTML
3 17 (65.38%) Linux
3 17 (65.38%) Dropwizard
3 17 (65.38%) Continuous Deployment
4 16 (61.54%) Microservices
4 16 (61.54%) Scrum
5 15 (57.69%) Spring
6 14 (53.85%) MongoDB
6 14 (53.85%) Configuration Management
7 13 (50.00%) Unix
7 13 (50.00%) Hibernate
7 13 (50.00%) HTTP
7 13 (50.00%) Mac OS X
7 13 (50.00%) RESTful
7 13 (50.00%) Software Engineering
7 13 (50.00%) Relational Database
7 13 (50.00%) Neo4j
7 13 (50.00%) JAX-RS
8 12 (46.15%) Responsive Web Design
8 12 (46.15%) Kafka
8 12 (46.15%) Spring Boot
8 12 (46.15%) JSON
8 12 (46.15%) Web Design
9 11 (42.31%) Cucumber
9 11 (42.31%) iXBRL
10 10 (38.46%) Go
11 8 (30.77%) Continuous Integration
12 7 (26.92%) Finance

REST
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 (11.54%) SharePoint
2 2 (7.69%) SharePoint 2013
Cloud Services
1 1 (3.85%) Amazon AWS
Communications & Networking
1 13 (50.00%) HTTP
Database & Business Intelligence
1 14 (53.85%) MongoDB
2 13 (50.00%) Neo4j
2 13 (50.00%) Relational Database
3 1 (3.85%) Apache Cassandra
3 1 (3.85%) NoSQL
Development Applications
1 11 (42.31%) Cucumber
2 3 (11.54%) gulp
2 3 (11.54%) NUnit
3 2 (7.69%) Grunt
3 2 (7.69%) Jenkins
4 1 (3.85%) Babel
4 1 (3.85%) Jasmine
4 1 (3.85%) Mocha
4 1 (3.85%) WebDriver
4 1 (3.85%) webpack
General
1 7 (26.92%) Finance
2 2 (7.69%) Publishing
3 1 (3.85%) Banking
3 1 (3.85%) Investment Banking
Job Titles
1 23 (88.46%) Developer
2 17 (65.38%) Java Developer
3 3 (11.54%) Architect
3 3 (11.54%) Full Stack Developer
3 3 (11.54%) Java Architect
3 3 (11.54%) Java Solutions Architect
3 3 (11.54%) Senior Developer
3 3 (11.54%) Solutions Architect
4 2 (7.69%) .NET Developer
4 2 (7.69%) C# .NET Developer
4 2 (7.69%) C# Developer
4 2 (7.69%) Senior Web Developer
4 2 (7.69%) Web Developer
5 1 (3.85%) Agile Developer
5 1 (3.85%) Agile Java Developer
5 1 (3.85%) Front End Developer (Client-Side Developer)
5 1 (3.85%) HTML Developer
5 1 (3.85%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 17 (65.38%) Dropwizard
1 17 (65.38%) HTML
2 15 (57.69%) Spring
3 13 (50.00%) Hibernate
3 13 (50.00%) JAX-RS
3 13 (50.00%) RESTful
4 12 (46.15%) JSON
4 12 (46.15%) Kafka
4 12 (46.15%) Spring Boot
5 11 (42.31%) iXBRL
6 5 (19.23%) .NET
7 4 (15.38%) CSS
7 4 (15.38%) Java EE
7 4 (15.38%) Web Services
8 3 (11.54%) Ajax
8 3 (11.54%) AngularJS
8 3 (11.54%) ASP.NET Web API
8 3 (11.54%) NHibernate
8 3 (11.54%) Sass
9 2 (7.69%) jQuery
Miscellaneous
1 3 (11.54%) User Experience
2 2 (7.69%) W3C
3 1 (3.85%) Fintech
Operating Systems
1 17 (65.38%) Linux
2 13 (50.00%) Mac OS X
2 13 (50.00%) Unix
Processes & Methodologies
1 22 (84.62%) Agile Software Development
2 17 (65.38%) Continuous Deployment
3 16 (61.54%) Microservices
3 16 (61.54%) Scrum
4 14 (53.85%) Configuration Management
5 13 (50.00%) Software Engineering
6 12 (46.15%) Responsive Web Design
6 12 (46.15%) Web Design
7 8 (30.77%) Continuous Integration
8 7 (26.92%) API Design
9 5 (19.23%) DevOps
9 5 (19.23%) TDD
10 4 (15.38%) CQRS
10 4 (15.38%) Domain-Driven Design
11 3 (11.54%) Automated Testing
11 3 (11.54%) Mobile First
11 3 (11.54%) Software Delivery
12 2 (7.69%) BDD
12 2 (7.69%) Open Source
12 2 (7.69%) Software Testing
Programming Languages
1 20 (76.92%) Java
2 10 (38.46%) Go
3 5 (19.23%) C#
3 5 (19.23%) JavaScript
4 2 (7.69%) TypeScript
5 1 (3.85%) PHP
5 1 (3.85%) Python
5 1 (3.85%) SQL
Qualifications
1 6 (23.08%) Security Cleared
2 4 (15.38%) BPSS Clearance
3 3 (11.54%) SC Cleared
Quality Assurance & Compliance
1 1 (3.85%) Disclosure Scotland
System Software
1 1 (3.85%) Docker
Systems Management
1 1 (3.85%) Ansible