Period
to 24 November 2017

The following table provides summary statistics for contract job vacancies advertised in Wales with a requirement for JSON skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited JSON over the 6 months to 24 November 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.

JSON
UK > Wales
6 months to
24 Nov 2017
Same period 2016 Same period 2015
Rank 68 47 111
Rank change year-on-year -21 +64 -78
Contract jobs citing JSON 23 65 10
As % of all contract IT jobs advertised in Wales 1.94% 4.57% 0.61%
As % of the Libraries, Frameworks & Software Standards category 6.15% 15.89% 1.86%
Number of daily rates quoted 15 38 6
Wales median daily rate £450 £475 £369
Median daily rate % change year-on-year -5.26% +28.81% -4.84%
10th Percentile £348 £329 £331
90th Percentile £478 £594 £431
UK median daily rate £450 £425 £400
% change year-on-year +5.88% +6.25% +3.23%
Number of hourly rates quoted 0 0 0
Wales median hourly rate - - -
UK median hourly rate £45.00 £36.25 £35.00
% change year-on-year +24.14% +3.57% -3.45%

JSON is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Wales with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
Wales
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 374 409 538
As % of all contract IT jobs advertised in Wales 31.53% 28.76% 32.59%
Number of daily rates quoted 264 301 426
Wales median daily rate £400 £438 £360
Median daily rate % change year-on-year -8.57% +21.53% +2.86%
10th Percentile £252 £300 £241
90th Percentile £550 £575 £475
UK median daily rate £450 £425 £410
% change year-on-year +5.88% +3.66% +2.50%
Number of hourly rates quoted 1 1 15
Wales median hourly rate £23.14 £21.50 £29.50
Median hourly rate % change year-on-year +7.63% -27.12% +31.11%
10th Percentile £21.87 £21.50 £9.00
90th Percentile £24.42 £21.50 £59.15
UK median hourly rate £40.00 £38.00 £37.50
% change year-on-year +5.26% +1.33% +8.70%

JSON
Job Vacancy Trend in Wales

Job postings citing JSON as a percentage of all IT jobs advertised in Wales.

Job vacancy trend for JSON in Wales

JSON
Contractor Daily Rate Trend in Wales

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

Contractor daily rate trend for JSON in Wales

JSON
Contractor Daily Rate Histogram in Wales

The daily rate distribution of IT jobs citing JSON in Wales over the 6 months to 24 November 2017.

Contractor daily rate histogram for JSON in Wales

JSON
Contract Job Locations in Wales

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JSON within the Wales region over the 6 months to 24 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
South Wales -10 17 £450 -5.26%
West Wales -9 3 £350 -26.32%
North Wales - 3 £450 -
JSON
UK

For the 6 months to 24 November 2017, IT contractor jobs citing JSON 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 Wales region with a requirement for JSON.

1 17 (73.91%) TDD
1 17 (73.91%) JavaScript
2 16 (69.57%) HTML
2 16 (69.57%) CSS
3 15 (65.22%) Test Automation
4 14 (60.87%) HTML5
5 13 (56.52%) Unit Testing
5 13 (56.52%) CSS3
5 13 (56.52%) Node.js
5 13 (56.52%) Ajax
6 12 (52.17%) Grunt
6 12 (52.17%) gulp
7 11 (47.83%) SonarQube
7 11 (47.83%) Responsive Web Design
7 11 (47.83%) Git (software)
7 11 (47.83%) Finance
7 11 (47.83%) Java
8 10 (43.48%) Perforce
8 10 (43.48%) Agile Software Development
8 10 (43.48%) Performance Optimisation
8 10 (43.48%) npm
9 9 (39.13%) Continuous Integration
9 9 (39.13%) SQL
9 9 (39.13%) JUnit
9 9 (39.13%) XML
10 8 (34.78%) Scrum
10 8 (34.78%) Spring
11 7 (30.43%) AngularJS
12 6 (26.09%) JPA
12 6 (26.09%) jQuery

JSON
Co-occurring IT Skills in Wales 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 4 (17.39%) Tomcat
2 3 (13.04%) Apache Solr
2 3 (13.04%) Elasticsearch
3 2 (8.70%) WebLogic
4 1 (4.35%) Apache
Applications
1 1 (4.35%) Chatbot
Cloud Services
1 10 (43.48%) npm
2 5 (21.74%) Amazon AWS
3 3 (13.04%) Amazon EC2
3 3 (13.04%) Amazon S3
3 3 (13.04%) BrowserStack
Communications & Networking
1 3 (13.04%) AMQP
Database & Business Intelligence
1 3 (13.04%) Oracle Database
1 3 (13.04%) Oracle Database 12c
1 3 (13.04%) RDBMS
1 3 (13.04%) Relational Database
1 3 (13.04%) SQL Server
2 2 (8.70%) PostgreSQL
3 1 (4.35%) MongoDB
Development Applications
1 12 (52.17%) Grunt
1 12 (52.17%) gulp
2 11 (47.83%) Git (software)
2 11 (47.83%) SonarQube
3 9 (39.13%) JUnit
4 4 (17.39%) IntelliJ
4 4 (17.39%) Jenkins
5 3 (13.04%) Ant
5 3 (13.04%) Eclipse
5 3 (13.04%) Gradle
5 3 (13.04%) JIRA
5 3 (13.04%) JProfiler
5 3 (13.04%) Maven
5 3 (13.04%) Mockito
5 3 (13.04%) Selenium
5 3 (13.04%) Subversion
6 2 (8.70%) Cucumber
6 2 (8.70%) JBehave
6 2 (8.70%) webpack
7 1 (4.35%) WebDriver
General
1 11 (47.83%) Finance
2 4 (17.39%) Banking
3 3 (13.04%) Legal
Job Titles
1 19 (82.61%) Developer
2 9 (39.13%) Java Developer
3 8 (34.78%) UI Developer
4 4 (17.39%) JavaScript Developer
5 3 (13.04%) SC Cleared Java Developer
6 2 (8.70%) Front End Developer (Client-Side Developer)
6 2 (8.70%) HTML CSS Developer
6 2 (8.70%) HTML Developer
7 1 (4.35%) Angular Developer
7 1 (4.35%) Automation Tester
7 1 (4.35%) Consultant
7 1 (4.35%) Designer
7 1 (4.35%) Full Stack Developer
7 1 (4.35%) SAP Consultant
7 1 (4.35%) SAP HCM Consultant
7 1 (4.35%) Scala Developer
7 1 (4.35%) Tester
7 1 (4.35%) UI Designer
7 1 (4.35%) Web Developer
Libraries, Frameworks & Software Standards
1 16 (69.57%) CSS
1 16 (69.57%) HTML
2 14 (60.87%) HTML5
3 13 (56.52%) Ajax
3 13 (56.52%) CSS3
3 13 (56.52%) Node.js
4 9 (39.13%) XML
5 8 (34.78%) Spring
6 7 (30.43%) AngularJS
7 6 (26.09%) Hibernate
7 6 (26.09%) JPA
7 6 (26.09%) jQuery
8 5 (21.74%) Web Services
9 4 (17.39%) React
10 3 (13.04%) JMS
10 3 (13.04%) PowerMock
10 3 (13.04%) RabbitMQ
10 3 (13.04%) RESTful
10 3 (13.04%) Spring Integration
10 3 (13.04%) XSD
Miscellaneous
1 2 (8.70%) Analytical Skills
1 2 (8.70%) User Experience
2 1 (4.35%) Data Structures
2 1 (4.35%) Greenfield Project
Operating Systems
1 6 (26.09%) Linux
2 2 (8.70%) Unix
2 2 (8.70%) Windows
3 1 (4.35%) Amazon Linux
3 1 (4.35%) CentOS
Processes & Methodologies
1 17 (73.91%) TDD
2 15 (65.22%) Test Automation
3 13 (56.52%) Unit Testing
4 11 (47.83%) Responsive Web Design
5 10 (43.48%) Agile Software Development
5 10 (43.48%) Performance Optimisation
6 9 (39.13%) Continuous Integration
7 8 (34.78%) Scrum
8 5 (21.74%) OO
9 4 (17.39%) Data Protection
9 4 (17.39%) Integration Testing
10 3 (13.04%) BDD
10 3 (13.04%) Continuous Improvement
10 3 (13.04%) Data Modelling
10 3 (13.04%) Data Security
10 3 (13.04%) Mobile Development
10 3 (13.04%) MVC
10 3 (13.04%) OOD
10 3 (13.04%) RAD
10 3 (13.04%) SDLC
Programming Languages
1 17 (73.91%) JavaScript
2 11 (47.83%) Java
3 9 (39.13%) SQL
4 3 (13.04%) PL/SQL
4 3 (13.04%) XPath
5 1 (4.35%) ABAP
5 1 (4.35%) ES6
5 1 (4.35%) Scala
Qualifications
1 3 (13.04%) SC Cleared
1 3 (13.04%) Security Cleared
2 1 (4.35%) BPSS Clearance
Quality Assurance & Compliance
1 2 (8.70%) QA
2 1 (4.35%) WCAG
System Software
1 1 (4.35%) KVM
Vendors
1 10 (43.48%) Perforce
2 6 (26.09%) Oracle
3 1 (4.35%) SAP