The following table provides summary statistics for contract job vacancies advertised in Northern Ireland 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 24 June 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.

JSON
UK / Northern Ireland
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 31 - 21
Rank change year-on-year - 0  
Contract jobs citing JSON 40 0 2
As % of all contract IT jobs advertised in Northern Ireland 11.30% - 2.25%
As % of the Libraries, Frameworks & Software Standards category 21.28% - 6.45%
Number of daily rates quoted 34 0 1
Median daily rate £400 - £375
UK excluding London median daily rate £425 £400 £375
% change year-on-year +6.25% +6.66%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £41.50 £29.14 £55.00
% change year-on-year +42.41% -47.01%  

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 Northern Ireland with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
Northern Ireland
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 188 28 31
As % of all contract IT job vacancies advertised in Northern Ireland 53.11% 28.00% 34.83%
Number of daily rates quoted 154 13 13
Median daily rate £413 £395 £375
Median daily rate % change year-on-year +4.43% +5.33%  
90% offered a daily rate of more than £275 £300 £194
10% offered a daily rate of more than £444 £413 £463
UK excluding London median daily rate £398 £375 £350
% change year-on-year +6.00% +7.14%  
Number of hourly rates quoted 1 1 2
Median hourly rate £13.78 £13.50 £32.00
Median hourly rate % change year-on-year +2.03% -57.81%  
UK excluding London median hourly rate £42.50 £36.00 £40.00
% change year-on-year +18.05% -10.00%  

JSON
Job Vacancy Trend in Northern Ireland

The job posting trend of jobs advertised in Northern Ireland 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 Northern Ireland

JSON
Contractor Daily Rate Trend in Northern Ireland

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

Contractor daily rate trend for JSON in Northern Ireland

JSON
Contractor Daily Rate Histogram in Northern Ireland

The daily rate distribution of IT jobs citing JSON in Northern Ireland over the 3 months to 24 June 2017.

Contractor daily rate histogram for JSON in Northern Ireland

JSON
Contract Job Locations in Northern Ireland

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JSON within the Northern Ireland region over the 3 months to 24 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
County Antrim - 40 £400 -
JSON
UK

For the 6 months to 24 June 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 Northern Ireland region with a requirement for JSON.

1 44 (74.58%) XML
2 43 (72.88%) Web Services
3 35 (59.32%) Finance
4 34 (57.63%) JavaScript
5 33 (55.93%) C#
5 33 (55.93%) .NET
6 32 (54.24%) SQL
6 32 (54.24%) Banking
6 32 (54.24%) WCF
7 30 (50.85%) HTML
7 30 (50.85%) CSS
8 26 (44.07%) MVC
8 26 (44.07%) ASP.NET Web API
9 25 (42.37%) RESTful
10 23 (38.98%) PL/SQL
11 22 (37.29%) Twitter Bootstrap
12 21 (35.59%) HTML5
13 19 (32.20%) Multithreading
14 18 (30.51%) Agile Software Development
14 18 (30.51%) .NET Framework
14 18 (30.51%) Oracle
14 18 (30.51%) SQL Server
15 17 (28.81%) AngularJS
16 16 (27.12%) Java
16 16 (27.12%) ASP.NET
16 16 (27.12%) SOA
16 16 (27.12%) jQuery
17 15 (25.42%) Microsoft
17 15 (25.42%) CRM
17 15 (25.42%) Siebel

JSON
Co-occurring IT Skills in Northern Ireland 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 10 (16.95%) Oracle SOA Suite
2 9 (15.25%) WebSphere
3 2 (3.39%) Apache Solr
3 2 (3.39%) Confluence
3 2 (3.39%) Elasticsearch
4 1 (1.69%) Apache Spark
4 1 (1.69%) IIS
4 1 (1.69%) Jetty
4 1 (1.69%) Tomcat
Applications
1 1 (1.69%) Microsoft Excel
Cloud Services
1 3 (5.08%) Sumo Logic
2 1 (1.69%) Amazon AWS
2 1 (1.69%) Amazon EC2
2 1 (1.69%) Amazon S3
2 1 (1.69%) Amazon SQS
2 1 (1.69%) AWS Lambda
2 1 (1.69%) GitHub
2 1 (1.69%) Route 53
Database & Business Intelligence
1 18 (30.51%) SQL Server
2 13 (22.03%) Relational Database
3 4 (6.78%) Big Data
4 2 (3.39%) Apache Cassandra
4 2 (3.39%) Endeca
4 2 (3.39%) Hadoop
4 2 (3.39%) MongoDB
4 2 (3.39%) NoSQL
5 1 (1.69%) Amazon DynamoDB
5 1 (1.69%) Amazon RDS
5 1 (1.69%) Apache Hive
5 1 (1.69%) IDOL
5 1 (1.69%) SQL Server 2008
Development Applications
1 12 (20.34%) JIRA
2 8 (13.56%) Bitbucket
3 7 (11.86%) Visual Studio
4 6 (10.17%) NUnit
5 4 (6.78%) Team Foundation Server
6 2 (3.39%) Ant
6 2 (3.39%) Apache Ivy
6 2 (3.39%) Babel
6 2 (3.39%) Git (software)
6 2 (3.39%) Jasmine
6 2 (3.39%) JUnit
6 2 (3.39%) Karma Test Runner
6 2 (3.39%) Maven
6 2 (3.39%) PhantomJS
6 2 (3.39%) Subversion
7 1 (1.69%) Jenkins
7 1 (1.69%) Octopus Deploy
General
1 35 (59.32%) Finance
2 32 (54.24%) Banking
3 11 (18.64%) Front Office
4 2 (3.39%) Investment Banking
Job Titles
1 56 (94.92%) Developer
2 20 (33.90%) C# Developer
3 19 (32.20%) JavaScript Developer
4 16 (27.12%) Senior Developer
5 15 (25.42%) UI Developer
6 13 (22.03%) Java Developer
7 11 (18.64%) .NET Developer
8 9 (15.25%) Angular Developer
8 9 (15.25%) Senior Java Developer
8 9 (15.25%) Senior JavaScript Developer
9 8 (13.56%) Full Stack Developer
9 8 (13.56%) HTML CSS Developer
9 8 (13.56%) HTML Developer
9 8 (13.56%) Senior Full Stack Developer
10 6 (10.17%) Senior C# Developer
11 5 (8.47%) C# WPF Developer
11 5 (8.47%) C++ Developer
11 5 (8.47%) C++/C# Developer
11 5 (8.47%) Senior C++ Developer
11 5 (8.47%) WPF Developer
Libraries, Frameworks & Software Standards
1 44 (74.58%) XML
2 43 (72.88%) Web Services
3 33 (55.93%) .NET
4 32 (54.24%) WCF
5 30 (50.85%) CSS
5 30 (50.85%) HTML
6 26 (44.07%) ASP.NET Web API
7 25 (42.37%) RESTful
8 22 (37.29%) Twitter Bootstrap
9 21 (35.59%) HTML5
10 18 (30.51%) .NET Framework
11 17 (28.81%) AngularJS
12 16 (27.12%) ASP.NET
12 16 (27.12%) jQuery
13 11 (18.64%) ADO.NET
13 11 (18.64%) WF
13 11 (18.64%) WPF
14 10 (16.95%) Hibernate
14 10 (16.95%) Spring
15 9 (15.25%) Node.js
Miscellaneous
1 15 (25.42%) User Experience
2 11 (18.64%) Algorithms
3 8 (13.56%) Virtual Team
4 3 (5.08%) Derivative
5 2 (3.39%) Computer Science
5 2 (3.39%) Data Structures
5 2 (3.39%) Equities
5 2 (3.39%) Equity Derivative
5 2 (3.39%) Linux Command Line
6 1 (1.69%) Analytical Skills
6 1 (1.69%) Enterprise Software
6 1 (1.69%) Greenfield Project
6 1 (1.69%) Smart Energy
Operating Systems
1 3 (5.08%) Unix
2 2 (3.39%) Linux
Processes & Methodologies
1 26 (44.07%) MVC
2 19 (32.20%) Multithreading
3 18 (30.51%) Agile Software Development
4 16 (27.12%) SOA
5 15 (25.42%) CRM
6 12 (20.34%) OO
7 11 (18.64%) Memory Management
7 11 (18.64%) Scrum
8 10 (16.95%) OOP
9 8 (13.56%) Concurrent Programming
9 8 (13.56%) Data Modelling
9 8 (13.56%) Unit Testing
10 6 (10.17%) Issue Tracking
10 6 (10.17%) Risk Management
11 5 (8.47%) Process Improvement
12 3 (5.08%) Analytics
12 3 (5.08%) Software Engineering
12 3 (5.08%) TDD
13 2 (3.39%) Continuous Integration
13 2 (3.39%) Migration
Programming Languages
1 34 (57.63%) JavaScript
2 33 (55.93%) C#
3 32 (54.24%) SQL
4 23 (38.98%) PL/SQL
5 16 (27.12%) Java
6 10 (16.95%) TypeScript
7 7 (11.86%) T-SQL
8 6 (10.17%) C
8 6 (10.17%) C++
8 6 (10.17%) C++/CLI
9 2 (3.39%) ECMAScript
9 2 (3.39%) ES6
9 2 (3.39%) Python
10 1 (1.69%) Perl
10 1 (1.69%) VBA
10 1 (1.69%) VC++
Qualifications
1 2 (3.39%) Computer Science Degree
1 2 (3.39%) Degree
Quality Assurance & Compliance
1 6 (10.17%) QA
System Software
1 1 (1.69%) HDFS
Vendors
1 18 (30.51%) Oracle
2 15 (25.42%) Microsoft
2 15 (25.42%) Siebel
3 12 (20.34%) Sybase
4 6 (10.17%) Google
4 6 (10.17%) Perforce
4 6 (10.17%) Twitter
5 2 (3.39%) Atlassian
5 2 (3.39%) Murex