The following table provides summary statistics for permanent job vacancies advertised in Belfast 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 March 2017 with a comparison to the same period in the previous 2 years.

3 months to
24 Mar 2017
Same period 2016 Same period 2015
JSON
County Antrim / Belfast
Rank 24 30 17
Rank change year-on-year +6 -13  
Permanent jobs citing JSON 12 1 2
As % of all permanent IT jobs advertised in Belfast 5.31% 0.90% 3.13%
As % of the Libraries, Frameworks & Software Standards category 13.04% 1.79% 8.00%
Number of salaries quoted 12 1 1
Median salary £37,500 £32,500 £50,000
Median salary % change year-on-year +15.38% -35.00%  
UK excluding London median salary £42,500 £45,000 £40,000
% change year-on-year -5.55% +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 Belfast with a requirement for industry standards, technical specifications and software library and framework skills.

Software Library & Framework Skills
Belfast
Permanent job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 92 56 25
As % of all permanent IT job vacancies advertised in Belfast 40.71% 50.45% 39.06%
Number of salaries quoted 78 33 21
Median salary £37,500 £37,500 £38,000
Median salary % change year-on-year - -1.31%  
90% offered a salary of more than £31,000 £28,000 £30,000
10% offered a salary of more than £52,500 £50,000 £67,500
UK excluding London median salary £40,000 £42,500 £40,000
% change year-on-year -5.88% +6.25%  

JSON
Job Vacancy Trend in Belfast

The job posting trend of jobs advertised in Belfast 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 Belfast

JSON
Salary Trend in Belfast

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

Salary trend for JSON in Belfast

JSON
Salary Histogram in Belfast

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

Salary histogram for JSON in Belfast

JSON
Top 30 Related IT Skills in Belfast

For the 6 months to 24 March 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 Belfast region with a requirement for JSON.

1 11 (73.33%) Java
2 10 (66.67%) Spring
3 9 (60.00%) Software Engineering
3 9 (60.00%) Big Data
4 8 (53.33%) REST
5 7 (46.67%) AngularJS
5 7 (46.67%) XML
6 6 (40.00%) Linux
6 6 (40.00%) Hibernate
6 6 (40.00%) MongoDB
6 6 (40.00%) Apache Cassandra
6 6 (40.00%) Elasticsearch
6 6 (40.00%) Web Development
6 6 (40.00%) Hadoop
7 5 (33.33%) User Experience
8 4 (26.67%) MVC
8 4 (26.67%) JavaScript
8 4 (26.67%) Oracle
8 4 (26.67%) Ember.js
8 4 (26.67%) Cyber Intelligence
8 4 (26.67%) Spring MVC
8 4 (26.67%) jQuery
9 3 (20.00%) Algorithms
9 3 (20.00%) Web Application Development
9 3 (20.00%) Middleware
9 3 (20.00%) Web Services
10 2 (13.33%) Information Management
10 2 (13.33%) FpML
10 2 (13.33%) Microsoft
10 2 (13.33%) Python

JSON
Top Related IT Skills in Belfast 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 (40.00%) Elasticsearch
2 1 (6.67%) GemFire
Database & Business Intelligence
1 9 (60.00%) Big Data
2 6 (40.00%) Apache Cassandra
2 6 (40.00%) Hadoop
2 6 (40.00%) MongoDB
Development Applications
1 1 (6.67%) Git (software)
1 1 (6.67%) Jenkins
1 1 (6.67%) JIRA
1 1 (6.67%) Maven
1 1 (6.67%) TeamCity
General
1 1 (6.67%) Finance
Job Titles
1 10 (66.67%) Developer
2 6 (40.00%) Software Developer
3 5 (33.33%) Java Developer
4 4 (26.67%) Java Software Developer
5 3 (20.00%) Architect
5 3 (20.00%) Java Architect
6 2 (13.33%) .NET Developer
6 2 (13.33%) ASP.NET Developer
6 2 (13.33%) Development Engineer
6 2 (13.33%) Web Engineer
7 1 (6.67%) Murex Developer
Libraries, Frameworks & Software Standards
1 10 (66.67%) Spring
2 8 (53.33%) REST
3 7 (46.67%) AngularJS
3 7 (46.67%) XML
4 6 (40.00%) Hibernate
5 4 (26.67%) Ember.js
5 4 (26.67%) jQuery
5 4 (26.67%) Spring MVC
6 3 (20.00%) Middleware
6 3 (20.00%) Web Services
7 2 (13.33%) .NET
7 2 (13.33%) Ajax
7 2 (13.33%) ASP.NET
7 2 (13.33%) Backbone.js
7 2 (13.33%) CSS
7 2 (13.33%) FpML
7 2 (13.33%) HTML
7 2 (13.33%) React
8 1 (6.67%) Murex MxML
8 1 (6.67%) RESTful
Miscellaneous
1 5 (33.33%) User Experience
2 3 (20.00%) Algorithms
3 2 (13.33%) Social Media
4 1 (6.67%) Derivative
4 1 (6.67%) Virtual Team
Operating Systems
1 6 (40.00%) Linux
2 2 (13.33%) Unix
Processes & Methodologies
1 9 (60.00%) Software Engineering
2 6 (40.00%) Web Development
3 4 (26.67%) Cyber Intelligence
3 4 (26.67%) MVC
4 3 (20.00%) Web Application Development
5 2 (13.33%) API Development
5 2 (13.33%) Information Management
5 2 (13.33%) Open Source
6 1 (6.67%) Agile Software Development
6 1 (6.67%) Migration
6 1 (6.67%) Multithreading
6 1 (6.67%) Scrum
6 1 (6.67%) Workflow
6 1 (6.67%) Workflow Development
Programming Languages
1 11 (73.33%) Java
2 4 (26.67%) JavaScript
3 2 (13.33%) Python
4 1 (6.67%) Perl
4 1 (6.67%) Shell Script
Vendors
1 4 (26.67%) Oracle
2 2 (13.33%) Microsoft
3 1 (6.67%) Murex