Period
to 22 November 2017

The following table provides summary statistics for contract job vacancies advertised in South 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 22 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
Wales > South Wales
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 55 45 100
Rank change year-on-year -10 +55 -52
Contract jobs citing JSON 20 42 7
As % of all contract IT jobs advertised in South Wales 2.11% 3.71% 0.54%
As % of the Libraries, Frameworks & Software Standards category 7.91% 15.16% 1.50%
Number of daily rates quoted 14 25 4
South Wales median daily rate £413 £475 £375
Median daily rate % change year-on-year -13.16% +26.67% -14.29%
10th Percentile £306 £327 £333
90th Percentile £479 £523 £439
Wales median daily rate £425 £475 £369
% change year-on-year -10.53% +28.81% -4.84%
Number of hourly rates quoted 0 0 0
South Wales median hourly rate - - -
Wales median hourly rate - - -

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 South Wales with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
South Wales
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 253 277 466
As % of all contract IT jobs advertised in South Wales 26.69% 24.47% 36.24%
Number of daily rates quoted 184 204 378
South Wales median daily rate £375 £425 £363
Median daily rate % change year-on-year -11.76% +17.24% +7.41%
10th Percentile £250 £283 £245
90th Percentile £511 £542 £475
Wales median daily rate £400 £438 £363
% change year-on-year -8.57% +20.69% +3.57%
Number of hourly rates quoted 1 1 11
South Wales median hourly rate £23.14 £21.50 £16.00
Median hourly rate % change year-on-year +7.63% +34.38% -36.00%
10th Percentile £21.87 £21.50 £9.00
90th Percentile £24.42 £21.50 £60.25
Wales median hourly rate £23.14 £21.50 £29.50
% change year-on-year +7.63% -27.12% +31.11%

JSON
Job Vacancy Trend in South Wales

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

Job vacancy trend for JSON in South Wales

JSON
Contractor Daily Rate Trend in South Wales

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

Contractor daily rate trend for JSON in South Wales

JSON
Contractor Daily Rate Histogram in South Wales

The daily rate distribution of IT jobs citing JSON in South Wales over the 6 months to 22 November 2017.

Contractor daily rate histogram for JSON in South Wales

JSON
Contract Job Locations in South 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 South Wales region over the 6 months to 22 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
Cardiff 0 18 £438 +19.86% 1
Newport +3 2 £400 -16.88% 1
JSON
Wales

For the 6 months to 22 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 South Wales region with a requirement for JSON.

1 15 (75.00%) TDD
2 14 (70.00%) CSS
2 14 (70.00%) HTML
2 14 (70.00%) JavaScript
2 14 (70.00%) HTML5
3 13 (65.00%) Node.js
3 13 (65.00%) CSS3
3 13 (65.00%) Ajax
4 12 (60.00%) Git (software)
4 12 (60.00%) Test Automation
4 12 (60.00%) Grunt
4 12 (60.00%) gulp
5 11 (55.00%) SonarQube
5 11 (55.00%) Responsive Web Design
5 11 (55.00%) Unit Testing
6 10 (50.00%) npm
6 10 (50.00%) Performance Optimisation
6 10 (50.00%) Perforce
7 9 (45.00%) Agile Software Development
8 8 (40.00%) Scrum
8 8 (40.00%) Finance
9 7 (35.00%) Java
10 6 (30.00%) XML
11 5 (25.00%) OO
11 5 (25.00%) Spring
11 5 (25.00%) Continuous Integration
12 4 (20.00%) Data Protection
12 4 (20.00%) Banking
12 4 (20.00%) SQL
12 4 (20.00%) BDD

JSON
Co-occurring IT Skills in South 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 1 (5.00%) Apache
1 1 (5.00%) Tomcat
Applications
1 1 (5.00%) Chatbot
Cloud Services
1 10 (50.00%) npm
2 1 (5.00%) Amazon AWS
Communications & Networking
1 1 (5.00%) RTSP
Database & Business Intelligence
1 3 (15.00%) RDBMS
1 3 (15.00%) Relational Database
1 3 (15.00%) SQL Server
2 2 (10.00%) PostgreSQL
3 1 (5.00%) MongoDB
Development Applications
1 12 (60.00%) Git (software)
1 12 (60.00%) Grunt
1 12 (60.00%) gulp
2 11 (55.00%) SonarQube
3 3 (15.00%) Eclipse
3 3 (15.00%) Gradle
3 3 (15.00%) JProfiler
3 3 (15.00%) JUnit
4 2 (10.00%) webpack
5 1 (5.00%) IntelliJ
5 1 (5.00%) Xcode
General
1 8 (40.00%) Finance
2 4 (20.00%) Banking
Job Titles
1 17 (85.00%) Developer
2 8 (40.00%) UI Developer
3 4 (20.00%) Java Developer
3 4 (20.00%) JavaScript Developer
4 2 (10.00%) Android Developer
4 2 (10.00%) Front End Developer (Client-Side Developer)
4 2 (10.00%) HTML CSS Developer
4 2 (10.00%) HTML Developer
5 1 (5.00%) Angular Developer
5 1 (5.00%) Applications Developer
5 1 (5.00%) Consultant
5 1 (5.00%) Designer
5 1 (5.00%) Full Stack Developer
5 1 (5.00%) iOS Developer
5 1 (5.00%) Mobile Applications Developer
5 1 (5.00%) SAP Consultant
5 1 (5.00%) SC Cleared Java Developer
5 1 (5.00%) Scala Developer
5 1 (5.00%) UI Designer
5 1 (5.00%) Web Developer
Libraries, Frameworks & Software Standards
1 14 (70.00%) CSS
1 14 (70.00%) HTML
1 14 (70.00%) HTML5
2 13 (65.00%) Ajax
2 13 (65.00%) CSS3
2 13 (65.00%) Node.js
3 6 (30.00%) XML
4 5 (25.00%) Spring
5 4 (20.00%) AngularJS
5 4 (20.00%) React
6 3 (15.00%) Angular 2
6 3 (15.00%) Hibernate
6 3 (15.00%) J2EE
6 3 (15.00%) JPA
6 3 (15.00%) jQuery
6 3 (15.00%) XSLT
7 2 (10.00%) SOAP
7 2 (10.00%) Twitter Bootstrap
7 2 (10.00%) Velocity
7 2 (10.00%) Web Services
Miscellaneous
1 2 (10.00%) User Experience
2 1 (5.00%) Computer Science
2 1 (5.00%) Data Structures
2 1 (5.00%) Greenfield Project
Operating Systems
1 2 (10.00%) Android
2 1 (5.00%) Amazon Linux
2 1 (5.00%) Apple iOS
2 1 (5.00%) CentOS
2 1 (5.00%) Linux
Processes & Methodologies
1 15 (75.00%) TDD
2 12 (60.00%) Test Automation
3 11 (55.00%) Responsive Web Design
3 11 (55.00%) Unit Testing
4 10 (50.00%) Performance Optimisation
5 9 (45.00%) Agile Software Development
6 8 (40.00%) Scrum
7 5 (25.00%) Continuous Integration
7 5 (25.00%) OO
8 4 (20.00%) BDD
8 4 (20.00%) Data Protection
8 4 (20.00%) Mobile Development
9 3 (15.00%) Data Modelling
9 3 (15.00%) RAD
9 3 (15.00%) SDLC
10 2 (10.00%) Android Development
10 2 (10.00%) Front End Development
10 2 (10.00%) Software Engineering
10 2 (10.00%) Waterfall
11 1 (5.00%) Web Development
Programming Languages
1 14 (70.00%) JavaScript
2 7 (35.00%) Java
3 4 (20.00%) SQL
4 1 (5.00%) ABAP
4 1 (5.00%) Apple Swift
4 1 (5.00%) ES6
4 1 (5.00%) Objective-C
4 1 (5.00%) Scala
Qualifications
1 1 (5.00%) BPSS Clearance
1 1 (5.00%) SC Cleared
1 1 (5.00%) Security Cleared
Quality Assurance & Compliance
1 1 (5.00%) WCAG
System Software
1 1 (5.00%) KVM
Vendors
1 10 (50.00%) Perforce
2 3 (15.00%) Oracle
3 1 (5.00%) Apple
3 1 (5.00%) SAP