Period
to 22 November 2017

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 6 months to 22 November 2017 with a comparison to the same period in the previous 2 years.

JSON
County Antrim > Belfast
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 31 35 23
Rank change year-on-year +4 -12 +25
Permanent jobs citing JSON 26 8 7
As % of all permanent IT jobs advertised in Belfast 7.28% 2.69% 5.47%
As % of the Libraries, Frameworks & Software Standards category 13.98% 7.08% 10.29%
Number of salaries quoted 18 5 5
Belfast median annual salary £39,000 £34,000 £40,000
Median salary % change year-on-year +14.71% -15.00% -15.79%
10th Percentile £33,750 £30,250 £27,500
90th Percentile £48,875 £37,000 £48,250
County Antrim median annual salary £39,000 £34,000 £40,000
% change year-on-year +14.71% -15.00% -15.79%

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

All Software Libraries and Frameworks
Belfast
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 186 113 68
As % of all permanent IT jobs advertised in Belfast 52.10% 38.05% 53.13%
Number of salaries quoted 117 91 49
Belfast median annual salary £36,500 £40,000 £35,000
Median salary % change year-on-year -8.75% +14.29% -
10th Percentile £12,500 £28,250 £22,500
90th Percentile £52,500 £55,000 £52,750
County Antrim median annual salary £36,000 £40,000 £35,000
% change year-on-year -10.00% +14.29% +6.87%

JSON
Job Vacancy Trend in Belfast

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

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 6 months to 22 November 2017.

Salary histogram for JSON in Belfast

For the 6 months to 22 November 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 22 (84.62%) Java
2 20 (76.92%) Web Services
3 18 (69.23%) HTML
4 17 (65.38%) JavaScript
4 17 (65.38%) CSS
5 16 (61.54%) Jenkins
6 14 (53.85%) Spring
7 13 (50.00%) Docker
7 13 (50.00%) React
7 13 (50.00%) Spring Boot
8 12 (46.15%) Zipkin
8 12 (46.15%) JSON-LD
8 12 (46.15%) Grafana
8 12 (46.15%) Kibana
8 12 (46.15%) GitLab
8 12 (46.15%) New Relic
8 12 (46.15%) Prometheus
8 12 (46.15%) Amazon AWS
8 12 (46.15%) BDD
9 10 (38.46%) Node.js
10 9 (34.62%) XML
10 9 (34.62%) Redux
11 8 (30.77%) jQuery
12 6 (23.08%) Software Engineering
13 5 (19.23%) Web Development
13 5 (19.23%) Git (software)
14 4 (15.38%) RESTful
14 4 (15.38%) Multithreading
14 4 (15.38%) TeamCity
14 4 (15.38%) REST

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 4 (15.38%) GemFire
Cloud Services
1 12 (46.15%) Amazon AWS
2 1 (3.85%) npm
Communications & Networking
1 1 (3.85%) HTTP
1 1 (3.85%) SSL
1 1 (3.85%) TCP/IP
Database & Business Intelligence
1 1 (3.85%) NoSQL
Development Applications
1 16 (61.54%) Jenkins
2 12 (46.15%) GitLab
3 5 (19.23%) Git (software)
4 4 (15.38%) JIRA
4 4 (15.38%) Maven
4 4 (15.38%) TeamCity
5 1 (3.85%) Grunt
5 1 (3.85%) gulp
General
1 1 (3.85%) Banking
Job Titles
1 25 (96.15%) Developer
2 11 (42.31%) Java Developer
3 9 (34.62%) Software Developer
4 4 (15.38%) Java Web Developer
4 4 (15.38%) UI Developer
4 4 (15.38%) Web Developer
4 4 (15.38%) Web UI Developer
5 3 (11.54%) .NET Developer
5 3 (11.54%) ASP.NET Developer
5 3 (11.54%) Oracle Developer
6 1 (3.85%) C++ Developer
6 1 (3.85%) DevOps Engineer
6 1 (3.85%) Front End Developer (Client-Side Developer)
6 1 (3.85%) HTML CSS Developer
6 1 (3.85%) HTML Developer
6 1 (3.85%) JavaScript Developer
Libraries, Frameworks & Software Standards
1 20 (76.92%) Web Services
2 18 (69.23%) HTML
3 17 (65.38%) CSS
4 14 (53.85%) Spring
5 13 (50.00%) React
5 13 (50.00%) Spring Boot
6 12 (46.15%) JSON-LD
7 10 (38.46%) Node.js
8 9 (34.62%) Redux
8 9 (34.62%) XML
9 8 (30.77%) jQuery
10 4 (15.38%) Ajax
10 4 (15.38%) AngularJS
10 4 (15.38%) DHTML
10 4 (15.38%) FpML
10 4 (15.38%) JDBC
10 4 (15.38%) JMS
10 4 (15.38%) REST
10 4 (15.38%) RESTful
10 4 (15.38%) Spring MVC
Miscellaneous
1 4 (15.38%) Mobile App
1 4 (15.38%) User Experience
1 4 (15.38%) Virtual Team
2 1 (3.85%) Analytical Skills
2 1 (3.85%) Chip and PIN
2 1 (3.85%) Contactless
2 1 (3.85%) Embedded Systems
2 1 (3.85%) Mobile Payment
2 1 (3.85%) Smartcard
Operating Systems
1 4 (15.38%) Unix
2 2 (7.69%) Linux
3 1 (3.85%) Android
Processes & Methodologies
1 12 (46.15%) BDD
2 6 (23.08%) Software Engineering
3 5 (19.23%) Web Development
4 4 (15.38%) Agile Software Development
4 4 (15.38%) Cross-Browser Compatibility
4 4 (15.38%) Feasibility Study
4 4 (15.38%) Multithreading
4 4 (15.38%) MVC
4 4 (15.38%) Scrum
5 3 (11.54%) API Development
5 3 (11.54%) Information Management
6 1 (3.85%) DevOps
6 1 (3.85%) Front End Development
6 1 (3.85%) Integration Testing
6 1 (3.85%) Mentoring
6 1 (3.85%) OO
6 1 (3.85%) Refactoring
6 1 (3.85%) Responsive Web Design
6 1 (3.85%) SDLC
Programming Languages
1 22 (84.62%) Java
2 17 (65.38%) JavaScript
3 4 (15.38%) Shell Script
4 1 (3.85%) C
4 1 (3.85%) C#
4 1 (3.85%) C++
4 1 (3.85%) PHP
System Software
1 13 (50.00%) Docker
Systems Management
1 12 (46.15%) Grafana
1 12 (46.15%) Kibana
1 12 (46.15%) Prometheus
1 12 (46.15%) Zipkin
2 1 (3.85%) Kubernetes
Vendors
1 12 (46.15%) New Relic
2 4 (15.38%) Oracle
3 3 (11.54%) Microsoft
4 1 (3.85%) Apple
4 1 (3.85%) Samsung