The following table provides summary statistics for permanent job vacancies advertised in Cardiff with a requirement for JSON skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited JSON over the 3 months to 24 June 2017 with a comparison to the same period in the previous 2 years.

JSON
South Wales / Cardiff
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 55 66 61
Rank change year-on-year +11 -5  
Permanent jobs citing JSON 7 8 13
As % of all permanent IT jobs advertised in Cardiff 1.43% 1.16% 1.72%
As % of the Libraries, Frameworks & Software Standards category 3.89% 3.70% 6.10%
Number of salaries quoted 7 8 10
Median salary £32,500 £35,000 £27,000
Median salary % change year-on-year -7.14% +29.62%  
90% offered a salary of more than £28,083 £23,550 £26,500
10% offered a salary of more than £65,298 £40,000 £40,600
UK excluding London median salary £45,000 £45,000 £40,000
% change year-on-year - +12.50%  

JSON 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 permanent job vacancies advertised in Cardiff with a requirement for industry standards, technical specifications and software library and framework skills.

Software Library & Framework Skills
Cardiff
Permanent job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 180 216 213
As % of all permanent IT job vacancies advertised in Cardiff 36.89% 31.35% 28.10%
Number of salaries quoted 168 204 164
Median salary £40,000 £35,000 £35,000
Median salary % change year-on-year +14.28% -  
90% offered a salary of more than £29,500 £24,000 £26,500
10% offered a salary of more than £55,000 £45,000 £46,000
UK excluding London median salary £42,500 £40,000 £40,000
% change year-on-year +6.25% -  

JSON
Job Vacancy Trend in Cardiff

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

Job vacancy trend for JSON in Cardiff

JSON
Salary Trend in Cardiff

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing JSON in Cardiff.

Salary trend for JSON in Cardiff

JSON
Salary Histogram in Cardiff

The salary distribution of IT jobs citing JSON in Cardiff over the 3 months to 24 June 2017.

Salary histogram for JSON in Cardiff

For the 6 months to 24 June 2017, IT jobs citing JSON also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Cardiff region with a requirement for JSON.

1 12 (70.59%) HTML
1 12 (70.59%) JavaScript
2 11 (64.71%) Java
2 11 (64.71%) Agile Software Development
3 10 (58.82%) CSS
4 9 (52.94%) SOAP
4 9 (52.94%) .NET
5 8 (47.06%) Web Services
5 8 (47.06%) Spring
5 8 (47.06%) REST
6 7 (41.18%) TDD
6 7 (41.18%) XML
7 6 (35.29%) C#
7 6 (35.29%) Scrum
7 6 (35.29%) Elasticsearch
7 6 (35.29%) AngularJS
8 5 (29.41%) ASP.NET Web API
8 5 (29.41%) Entity Framework
8 5 (29.41%) CMS
8 5 (29.41%) Degree
8 5 (29.41%) Unit Testing
8 5 (29.41%) SQL Server
8 5 (29.41%) MVC
8 5 (29.41%) HTTP
9 4 (23.53%) SOA
9 4 (23.53%) Microsoft
9 4 (23.53%) ASP.NET
9 4 (23.53%) RESTful
9 4 (23.53%) Web Development
9 4 (23.53%) .NET Framework

JSON
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 6 (35.29%) Elasticsearch
2 5 (29.41%) CMS
3 3 (17.65%) Apache
3 3 (17.65%) Tomcat
3 3 (17.65%) Umbraco
4 2 (11.76%) Adobe Experience Manager
4 2 (11.76%) Alfresco
4 2 (11.76%) Documentum
4 2 (11.76%) Drupal
4 2 (11.76%) FileNet
4 2 (11.76%) IIS
4 2 (11.76%) Liferay
4 2 (11.76%) LiveCycle
4 2 (11.76%) LiveLink
4 2 (11.76%) Oracle SOA Suite
4 2 (11.76%) SharePoint
4 2 (11.76%) WordPress
Business Applications
1 1 (5.88%) Compiere
1 1 (5.88%) SAP ERP
1 1 (5.88%) SAP S/4HANA
Cloud Services
1 3 (17.65%) Amazon AWS
2 1 (5.88%) Cloud Computing
2 1 (5.88%) Microsoft Azure
2 1 (5.88%) SaaS
Communications & Networking
1 5 (29.41%) HTTP
2 2 (11.76%) LDAP
3 1 (5.88%) TCP/IP
Database & Business Intelligence
1 5 (29.41%) SQL Server
2 4 (23.53%) MongoDB
3 3 (17.65%) Big Data
4 2 (11.76%) MySQL
4 2 (11.76%) Relational Database
4 2 (11.76%) SQLite
Development Applications
1 3 (17.65%) Subversion
2 2 (11.76%) Ant
2 2 (11.76%) Bitbucket
2 2 (11.76%) Git (software)
2 2 (11.76%) Xcode
3 1 (5.88%) Eclipse
3 1 (5.88%) JUnit
3 1 (5.88%) NetBeans
3 1 (5.88%) Rational DOORS
3 1 (5.88%) Visual Studio
General
1 3 (17.65%) Finance
2 2 (11.76%) Banking
2 2 (11.76%) Telecoms
2 2 (11.76%) Welsh Language
3 1 (5.88%) Aerospace
Job Titles
1 11 (64.71%) Developer
2 5 (29.41%) Java Developer
2 5 (29.41%) Senior Developer
3 3 (17.65%) .NET Developer
3 3 (17.65%) Java Web Developer
3 3 (17.65%) Senior .NET Developer
3 3 (17.65%) Web Developer
4 2 (11.76%) Architect
4 2 (11.76%) Development Manager
4 2 (11.76%) Java Architect
4 2 (11.76%) Software Development Manager
4 2 (11.76%) Software Manager
5 1 (5.88%) Agile Java Developer
5 1 (5.88%) IT Engineer
5 1 (5.88%) Java Applications Developer
5 1 (5.88%) Java Web Applications Developer
5 1 (5.88%) Senior Agile Java Developer
5 1 (5.88%) Senior Java Developer
5 1 (5.88%) Senior Software Developer
5 1 (5.88%) Web Applications Developer
Libraries, Frameworks & Software Standards
1 12 (70.59%) HTML
2 10 (58.82%) CSS
3 9 (52.94%) .NET
3 9 (52.94%) SOAP
4 8 (47.06%) REST
4 8 (47.06%) Spring
4 8 (47.06%) Web Services
5 7 (41.18%) XML
6 6 (35.29%) AngularJS
7 5 (29.41%) ASP.NET Web API
7 5 (29.41%) Entity Framework
8 4 (23.53%) .NET Framework
8 4 (23.53%) ASP.NET
8 4 (23.53%) jQuery
8 4 (23.53%) RESTful
9 3 (17.65%) CSS3
9 3 (17.65%) Hibernate
9 3 (17.65%) HTML5
9 3 (17.65%) Kafka
9 3 (17.65%) Node.js
Miscellaneous
1 2 (11.76%) Computer Science
1 2 (11.76%) Management Information System
Operating Systems
1 3 (17.65%) Windows
2 2 (11.76%) Android
2 2 (11.76%) Apple iOS
2 2 (11.76%) CentOS
2 2 (11.76%) Linux
2 2 (11.76%) Windows Server
3 1 (5.88%) VxWorks
Processes & Methodologies
1 11 (64.71%) Agile Software Development
2 7 (41.18%) TDD
3 6 (35.29%) Scrum
4 5 (29.41%) MVC
4 5 (29.41%) Unit Testing
5 4 (23.53%) IT Strategy
5 4 (23.53%) SDLC
5 4 (23.53%) SOA
5 4 (23.53%) Web Development
6 3 (17.65%) Change Management
6 3 (17.65%) Open Source
6 3 (17.65%) Project Management
6 3 (17.65%) Test Automation
7 2 (11.76%) Business Analysis
7 2 (11.76%) Data Integration
7 2 (11.76%) Data Migration
7 2 (11.76%) Enterprise Architecture
7 2 (11.76%) Presales
7 2 (11.76%) Requirements Analysis
7 2 (11.76%) Responsive Web Design
Programming Languages
1 12 (70.59%) JavaScript
2 11 (64.71%) Java
3 6 (35.29%) C#
4 3 (17.65%) Go
4 3 (17.65%) SQL
4 3 (17.65%) TypeScript
5 2 (11.76%) Objective-C
5 2 (11.76%) PHP
6 1 (5.88%) ABAP
6 1 (5.88%) Apex Code
6 1 (5.88%) Assembly Language
6 1 (5.88%) C
6 1 (5.88%) C++
6 1 (5.88%) Fortran
6 1 (5.88%) MATLAB
6 1 (5.88%) Ruby
6 1 (5.88%) SOQL
6 1 (5.88%) VB
Qualifications
1 5 (29.41%) Degree
2 3 (17.65%) Computer Science Degree
3 2 (11.76%) Master's Degree
4 1 (5.88%) PhD
Quality Assurance & Compliance
1 1 (5.88%) DO-178B
1 1 (5.88%) IEC 61508
1 1 (5.88%) IEC 62304
1 1 (5.88%) MISRA
1 1 (5.88%) MISRA C
System Software
1 3 (17.65%) Docker
Systems Management
1 2 (11.76%) Grafana
Vendors
1 4 (23.53%) Microsoft
2 2 (11.76%) Adobe
2 2 (11.76%) FatWire
2 2 (11.76%) IBM
2 2 (11.76%) Interwoven
2 2 (11.76%) OpenText
2 2 (11.76%) Oracle
2 2 (11.76%) Sencha
2 2 (11.76%) Sitecore
2 2 (11.76%) Vignette
2 2 (11.76%) WSO2
2 2 (11.76%) Xerox
3 1 (5.88%) Salesforce.com
3 1 (5.88%) SAP