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 June 2017 with a comparison to the same period in the previous 2 years.

JSON
County Antrim / Belfast
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 20 24 33
Rank change year-on-year +4 +9  
Permanent jobs citing JSON 13 6 6
As % of all permanent IT jobs advertised in Belfast 8.61% 4.41% 4.44%
As % of the Libraries, Frameworks & Software Standards category 16.25% 13.33% 12.24%
Number of salaries quoted 6 6 0
Median salary £37,500 £35,000 -
Median salary % change year-on-year +7.14% -  
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 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 80 45 49
As % of all permanent IT job vacancies advertised in Belfast 52.98% 33.09% 36.30%
Number of salaries quoted 58 41 25
Median salary £37,500 £40,000 £35,000
Median salary % change year-on-year -6.25% +14.28%  
90% offered a salary of more than £31,000 £32,500 £28,500
10% offered a salary of more than £100,000 £42,500 £45,000
UK excluding London median salary £42,500 £40,000 £40,000
% change year-on-year +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 June 2017.

Salary histogram for JSON in Belfast

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 Belfast region with a requirement for JSON.

1 19 (76.00%) Java
2 16 (64.00%) Spring
3 15 (60.00%) Web Services
4 13 (52.00%) MVC
4 13 (52.00%) Oracle
4 13 (52.00%) Spring MVC
5 12 (48.00%) XML
6 11 (44.00%) Jenkins
7 10 (40.00%) AngularJS
7 10 (40.00%) Software Engineering
7 10 (40.00%) Unix
7 10 (40.00%) FpML
8 9 (36.00%) Shell Script
8 9 (36.00%) JMS
8 9 (36.00%) JDBC
8 9 (36.00%) Scrum
8 9 (36.00%) Agile Software Development
8 9 (36.00%) Maven
8 9 (36.00%) Multithreading
8 9 (36.00%) TeamCity
8 9 (36.00%) Git (software)
8 9 (36.00%) RESTful
8 9 (36.00%) JIRA
8 9 (36.00%) GemFire
8 9 (36.00%) Virtual Team
9 7 (28.00%) Big Data
9 7 (28.00%) REST
10 6 (24.00%) Ember.js
10 6 (24.00%) User Experience
10 6 (24.00%) jQuery

JSON
Co-occurring 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 9 (36.00%) GemFire
2 3 (12.00%) Elasticsearch
Cloud Services
1 2 (8.00%) Amazon AWS
Database & Business Intelligence
1 7 (28.00%) Big Data
2 3 (12.00%) Apache Cassandra
2 3 (12.00%) Hadoop
2 3 (12.00%) MongoDB
Development Applications
1 11 (44.00%) Jenkins
2 9 (36.00%) Git (software)
2 9 (36.00%) JIRA
2 9 (36.00%) Maven
2 9 (36.00%) TeamCity
3 2 (8.00%) GitLab
General
1 1 (4.00%) Finance
Job Titles
1 19 (76.00%) Developer
2 14 (56.00%) Java Developer
3 6 (24.00%) Oracle Developer
4 4 (16.00%) .NET Developer
4 4 (16.00%) Architect
4 4 (16.00%) ASP.NET Developer
4 4 (16.00%) Java Architect
5 3 (12.00%) Java Software Developer
5 3 (12.00%) Software Developer
6 2 (8.00%) Development Engineer
6 2 (8.00%) Web Engineer
7 1 (4.00%) Murex Developer
7 1 (4.00%) Senior Developer
7 1 (4.00%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 16 (64.00%) Spring
2 15 (60.00%) Web Services
3 13 (52.00%) Spring MVC
4 12 (48.00%) XML
5 10 (40.00%) AngularJS
5 10 (40.00%) FpML
6 9 (36.00%) JDBC
6 9 (36.00%) JMS
6 9 (36.00%) RESTful
7 7 (28.00%) REST
8 6 (24.00%) Ember.js
8 6 (24.00%) jQuery
9 4 (16.00%) .NET
9 4 (16.00%) ASP.NET
9 4 (16.00%) CSS
9 4 (16.00%) HTML
9 4 (16.00%) Middleware
9 4 (16.00%) React
10 3 (12.00%) Hibernate
11 2 (8.00%) Spring Boot
Miscellaneous
1 9 (36.00%) Virtual Team
2 6 (24.00%) User Experience
3 4 (16.00%) Algorithms
4 1 (4.00%) Derivative
Operating Systems
1 10 (40.00%) Unix
2 3 (12.00%) Linux
Processes & Methodologies
1 13 (52.00%) MVC
2 10 (40.00%) Software Engineering
3 9 (36.00%) Agile Software Development
3 9 (36.00%) Multithreading
3 9 (36.00%) Scrum
4 5 (20.00%) Web Development
5 4 (16.00%) API Development
5 4 (16.00%) Information Management
5 4 (16.00%) Web Application Development
6 3 (12.00%) Cyber Intelligence
7 2 (8.00%) BDD
8 1 (4.00%) Migration
8 1 (4.00%) Workflow
8 1 (4.00%) Workflow Development
Programming Languages
1 19 (76.00%) Java
2 9 (36.00%) Shell Script
3 6 (24.00%) JavaScript
4 1 (4.00%) Perl
System Software
1 2 (8.00%) Docker
Systems Management
1 2 (8.00%) Grafana
1 2 (8.00%) Kibana
1 2 (8.00%) Prometheus
1 2 (8.00%) Zipkin
Vendors
1 13 (52.00%) Oracle
2 4 (16.00%) Microsoft
3 2 (8.00%) New Relic
4 1 (4.00%) Murex