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 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
RESTful
South Wales / Cardiff
Rank 28 38 -
Rank change year-on-year +10 -  
Contract jobs citing RESTful 13 22 0
As % of all contract IT jobs advertised in Cardiff 3.82% 5.28% -
As % of the Libraries, Frameworks & Software Standards category 10.92% 13.10% -
Number of daily rates quoted 10 18 0
Median daily rate £413 £368 -
Median daily rate % change year-on-year +12.24% -  
UK excluding London median daily rate £425 £389 £375
% change year-on-year +9.32% +3.66%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £37.00 - £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 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%  

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

RESTful
Top 30 Related IT Skills in Cardiff

For the 6 months to 25 March 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 25 (89.29%) Java
2 23 (82.14%) Scrum
3 22 (78.57%) JSON
3 22 (78.57%) MongoDB
4 21 (75.00%) Kafka
4 21 (75.00%) Spring
4 21 (75.00%) Microservices
4 21 (75.00%) Spring Boot
5 20 (71.43%) Agile Software Development
6 18 (64.29%) Software Engineering
7 16 (57.14%) iXBRL
7 16 (57.14%) Go
7 16 (57.14%) Cucumber
8 15 (53.57%) Continuous Deployment
9 14 (50.00%) HTML
9 14 (50.00%) HTTP
10 13 (46.43%) Linux
10 13 (46.43%) Hibernate
10 13 (46.43%) Neo4j
10 13 (46.43%) REST
10 13 (46.43%) JAX-RS
10 13 (46.43%) Dropwizard
11 12 (42.86%) Responsive Web Design
11 12 (42.86%) Web Design
11 12 (42.86%) Unix
11 12 (42.86%) Mac OS X
11 12 (42.86%) Configuration Management
12 11 (39.29%) Relational Database
13 8 (28.57%) Finance
14 6 (21.43%) TDD

RESTful
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 1 (3.57%) Cloud Foundry
Cloud Services
1 1 (3.57%) Amazon AWS
1 1 (3.57%) PaaS
Communications & Networking
1 14 (50.00%) HTTP
Database & Business Intelligence
1 22 (78.57%) MongoDB
2 13 (46.43%) Neo4j
3 11 (39.29%) Relational Database
4 3 (10.71%) MySQL
5 2 (7.14%) Apache Cassandra
5 2 (7.14%) NoSQL
6 1 (3.57%) Hadoop
Development Applications
1 16 (57.14%) Cucumber
2 1 (3.57%) Git (software)
2 1 (3.57%) Jenkins
General
1 8 (28.57%) Finance
Job Titles
1 27 (96.43%) Developer
2 23 (82.14%) Java Developer
3 3 (10.71%) Agile Developer
3 3 (10.71%) Agile Java Developer
3 3 (10.71%) Java Software Developer
3 3 (10.71%) PHP Developer
3 3 (10.71%) Software Engineer
4 2 (7.14%) AWS Developer
4 2 (7.14%) Developer/Software Engineer
4 2 (7.14%) Java Engineer
4 2 (7.14%) Java Software Engineer
4 2 (7.14%) PHP Zend Developer
5 1 (3.57%) HTML Developer
5 1 (3.57%) Java Scala Developer
5 1 (3.57%) MongoDB Developer
5 1 (3.57%) Scala Developer
5 1 (3.57%) Software Developer
Libraries, Frameworks & Software Standards
1 22 (78.57%) JSON
2 21 (75.00%) Kafka
2 21 (75.00%) Spring
2 21 (75.00%) Spring Boot
3 16 (57.14%) iXBRL
4 14 (50.00%) HTML
5 13 (46.43%) Dropwizard
5 13 (46.43%) Hibernate
5 13 (46.43%) JAX-RS
5 13 (46.43%) REST
6 2 (7.14%) CSS
6 2 (7.14%) Web Services
7 1 (3.57%) Akka
7 1 (3.57%) Node.js
7 1 (3.57%) Play Framework
7 1 (3.57%) SOAP
7 1 (3.57%) Swagger
7 1 (3.57%) XML
Operating Systems
1 13 (46.43%) Linux
2 12 (42.86%) Mac OS X
2 12 (42.86%) Unix
3 1 (3.57%) Mac OS
Processes & Methodologies
1 23 (82.14%) Scrum
2 21 (75.00%) Microservices
3 20 (71.43%) Agile Software Development
4 18 (64.29%) Software Engineering
5 15 (53.57%) Continuous Deployment
6 12 (42.86%) Configuration Management
6 12 (42.86%) Responsive Web Design
6 12 (42.86%) Web Design
7 6 (21.43%) TDD
8 4 (14.29%) BDD
9 2 (7.14%) DevOps
9 2 (7.14%) High Availability
9 2 (7.14%) Kanban
9 2 (7.14%) Open Source
10 1 (3.57%) API Design
10 1 (3.57%) API Development
10 1 (3.57%) Mentoring
10 1 (3.57%) MVC
10 1 (3.57%) OWASP
10 1 (3.57%) Secure Coding
Programming Languages
1 25 (89.29%) Java
2 16 (57.14%) Go
3 3 (10.71%) PHP
4 2 (7.14%) JavaScript
4 2 (7.14%) Scala
5 1 (3.57%) Python
5 1 (3.57%) Ruby
Qualifications
1 5 (17.86%) BPSS Clearance
2 3 (10.71%) Security Cleared
Quality Assurance & Compliance
1 3 (10.71%) Disclosure Scotland
System Software
1 1 (3.57%) Docker
Vendors
1 2 (7.14%) Zend