The following table provides summary statistics for contract job vacancies advertised in Belfast with a requirement for JSON skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited JSON over the 3 months to 22 March 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.

3 months to
22 Mar 2017
Same period 2016 Same period 2015
JSON
County Antrim / Belfast
Rank 21 - 11
Rank change year-on-year - 0  
Contract jobs citing JSON 18 0 10
As % of all contract IT jobs advertised in Belfast 8.65% - 10.53%
As % of the Libraries, Frameworks & Software Standards category 25.00% - 28.57%
Number of daily rates quoted 15 0 4
Median daily rate £375 - £375
UK excluding London median daily rate £410 £375 £350
% change year-on-year +9.33% +7.14%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £36.50 £55.00 £37.50
% change year-on-year -33.63% +46.66%  

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 contract job vacancies advertised in Belfast with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
Belfast
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 72 31 35
As % of all contract IT job vacancies advertised in Belfast 34.62% 27.68% 36.84%
Number of daily rates quoted 53 16 21
Median daily rate £388 £325 £375
Median daily rate % change year-on-year +19.23% -13.33%  
90% offered a daily rate of more than £275 £300 £215
10% offered a daily rate of more than £433 £400 £388
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £40.00 £38.00 £36.00
% change year-on-year +5.26% +5.55%  

JSON
Job Vacancy Trend in Belfast

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

Job vacancy trend for JSON in Belfast

JSON
Contractor Daily Rate Trend in Belfast

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

Contractor daily rate trend for JSON in Belfast

JSON
Top 30 Related IT Skills in Belfast

For the 6 months to 22 March 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 Belfast region with a requirement for JSON.

1 10 (55.56%) SQL
2 9 (50.00%) .NET
2 9 (50.00%) C#
2 9 (50.00%) SQL Server
2 9 (50.00%) Web Services
2 9 (50.00%) .NET Framework
3 8 (44.44%) Scrum
3 8 (44.44%) Agile Software Development
3 8 (44.44%) WCF
3 8 (44.44%) WPF
3 8 (44.44%) WF
3 8 (44.44%) Multithreading
3 8 (44.44%) RESTful
3 8 (44.44%) XML
3 8 (44.44%) OO
3 8 (44.44%) Sybase
3 8 (44.44%) ADO.NET
3 8 (44.44%) PL/SQL
3 8 (44.44%) Oracle
3 8 (44.44%) Memory Management
3 8 (44.44%) Relational Database
3 8 (44.44%) ASP.NET Web API
3 8 (44.44%) Algorithms
4 7 (38.89%) Twitter Bootstrap
4 7 (38.89%) Oracle SOA Suite
4 7 (38.89%) AngularJS
4 7 (38.89%) HTML
4 7 (38.89%) JavaScript
4 7 (38.89%) CSS
4 7 (38.89%) OOP

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 7 (38.89%) Oracle SOA Suite
2 1 (5.56%) IIS
Cloud Services
1 1 (5.56%) Amazon AWS
1 1 (5.56%) Amazon EC2
1 1 (5.56%) Amazon S3
1 1 (5.56%) Amazon SQS
1 1 (5.56%) AWS Lambda
1 1 (5.56%) GitHub
1 1 (5.56%) Route 53
Database & Business Intelligence
1 9 (50.00%) SQL Server
2 8 (44.44%) Relational Database
3 1 (5.56%) Amazon DynamoDB
3 1 (5.56%) Amazon RDS
3 1 (5.56%) Big Data
3 1 (5.56%) SQL Server 2008
Development Applications
1 2 (11.11%) Babel
1 2 (11.11%) Jasmine
1 2 (11.11%) Karma Test Runner
1 2 (11.11%) PhantomJS
2 1 (5.56%) Jenkins
2 1 (5.56%) Octopus Deploy
2 1 (5.56%) Visual Studio
General
1 7 (38.89%) Banking
1 7 (38.89%) Front Office
2 5 (27.78%) Finance
3 1 (5.56%) Investment Banking
Job Titles
1 17 (94.44%) Developer
2 8 (44.44%) C# Developer
3 6 (33.33%) JavaScript Developer
4 4 (22.22%) C# WPF Developer
4 4 (22.22%) WPF Developer
5 2 (11.11%) .NET Developer
5 2 (11.11%) Java Developer
5 2 (11.11%) Murex Developer
6 1 (5.56%) .NET Software Developer
6 1 (5.56%) C# .NET Developer
6 1 (5.56%) C# Developer - Investment Banking
6 1 (5.56%) C# Software Developer
6 1 (5.56%) Murex MxML Developer
6 1 (5.56%) Python Software Engineer
6 1 (5.56%) Senior Developer
6 1 (5.56%) Senior Java Developer
6 1 (5.56%) Senior Murex Developer
6 1 (5.56%) Software Developer
6 1 (5.56%) Software Engineer
Libraries, Frameworks & Software Standards
1 9 (50.00%) .NET
1 9 (50.00%) .NET Framework
1 9 (50.00%) Web Services
2 8 (44.44%) ADO.NET
2 8 (44.44%) ASP.NET Web API
2 8 (44.44%) RESTful
2 8 (44.44%) WCF
2 8 (44.44%) WF
2 8 (44.44%) WPF
2 8 (44.44%) XML
3 7 (38.89%) AngularJS
3 7 (38.89%) CSS
3 7 (38.89%) HTML
3 7 (38.89%) Twitter Bootstrap
4 6 (33.33%) CSS3
4 6 (33.33%) HTML5
5 2 (11.11%) FpML
5 2 (11.11%) Murex MxML
6 1 (5.56%) Ajax
6 1 (5.56%) jQuery
Miscellaneous
1 8 (44.44%) Algorithms
2 1 (5.56%) Derivative
2 1 (5.56%) Smart Energy
Operating Systems
1 1 (5.56%) Linux
1 1 (5.56%) Unix
Processes & Methodologies
1 8 (44.44%) Agile Software Development
1 8 (44.44%) Memory Management
1 8 (44.44%) Multithreading
1 8 (44.44%) OO
1 8 (44.44%) Scrum
2 7 (38.89%) OOP
2 7 (38.89%) SOA
3 2 (11.11%) Coaching
3 2 (11.11%) Continuous Integration
3 2 (11.11%) Migration
3 2 (11.11%) Process Management
3 2 (11.11%) Software Engineering
3 2 (11.11%) Unit Testing
4 1 (5.56%) Don't repeat yourself (DRY)
4 1 (5.56%) OOD
4 1 (5.56%) Root Cause Analysis
4 1 (5.56%) SOLID
4 1 (5.56%) Workflow
4 1 (5.56%) Workflow Development
4 1 (5.56%) YAGNI
Programming Languages
1 10 (55.56%) SQL
2 9 (50.00%) C#
3 8 (44.44%) PL/SQL
4 7 (38.89%) JavaScript
5 3 (16.67%) Java
6 2 (11.11%) ECMAScript
6 2 (11.11%) ES6
6 2 (11.11%) TypeScript
7 1 (5.56%) Perl
7 1 (5.56%) Python
7 1 (5.56%) T-SQL
Quality Assurance & Compliance
1 6 (33.33%) QA
Vendors
1 8 (44.44%) Oracle
1 8 (44.44%) Sybase
2 6 (33.33%) Twitter
3 2 (11.11%) Murex