Period
to 20 November 2017

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 6 months to 20 November 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
County Antrim > Belfast
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 36 37 -
Rank change year-on-year +1 - +32
Contract jobs citing JSON 45 2 0
As % of all contract IT jobs advertised in Belfast 7.67% 0.75% -
As % of the Libraries, Frameworks & Software Standards category 18.22% 3.13% -
Number of daily rates quoted 37 0 0
Belfast median daily rate £413 - -
County Antrim median daily rate £413 - -
Number of hourly rates quoted 0 0 0
Belfast median hourly rate - - -
County Antrim median hourly rate - - -

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

All Software Libraries and Frameworks
Belfast
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 247 64 20
As % of all contract IT jobs advertised in Belfast 42.08% 23.97% 15.50%
Number of daily rates quoted 198 32 14
Belfast median daily rate £413 £390 £400
Median daily rate % change year-on-year +5.77% -2.50% +33.33%
10th Percentile £350 £250 £295
90th Percentile £488 £453 £461
County Antrim median daily rate £413 £390 £400
% change year-on-year +5.77% -2.50% +33.33%
Number of hourly rates quoted 1 4 0
Belfast median hourly rate £13.78 £12.13 -
Median hourly rate % change year-on-year +13.61% - -
County Antrim median hourly rate £13.78 £12.13 -
% change year-on-year +13.61% - -

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
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
Contractor Daily Rate Histogram in Belfast

The daily rate distribution of IT jobs citing JSON in Belfast over the 6 months to 20 November 2017.

Contractor daily rate histogram for JSON in Belfast

For the 6 months to 20 November 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 37 (82.22%) Java
2 32 (71.11%) XML
3 31 (68.89%) Banking
4 29 (64.44%) Finance
5 28 (62.22%) Web Services
6 22 (48.89%) CSS
6 22 (48.89%) JavaScript
6 22 (48.89%) HTML
7 21 (46.67%) Spring
8 20 (44.44%) MVC
8 20 (44.44%) Spring Boot
9 19 (42.22%) REST
10 17 (37.78%) User Experience
10 17 (37.78%) Virtual Team
10 17 (37.78%) Hibernate
11 16 (35.56%) WebSphere
11 16 (35.56%) Java EE
11 16 (35.56%) Data Modelling
11 16 (35.56%) JSP
11 16 (35.56%) Servlets
11 16 (35.56%) Concurrent Programming
11 16 (35.56%) TypeScript
11 16 (35.56%) Node.js
11 16 (35.56%) Spring Integration
11 16 (35.56%) Multithreading
11 16 (35.56%) JPA
11 16 (35.56%) RESTful
12 15 (33.33%) WebSockets
12 15 (33.33%) Microservices
12 15 (33.33%) Data Structures

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 16 (35.56%) WebSphere
Communications & Networking
1 4 (8.89%) HTTP
1 4 (8.89%) SSL
1 4 (8.89%) TCP/IP
Database & Business Intelligence
1 4 (8.89%) SQL Server
2 3 (6.67%) NoSQL
Development Applications
1 5 (11.11%) JIRA
2 4 (8.89%) Bitbucket
2 4 (8.89%) NUnit
2 4 (8.89%) Visual Studio
3 1 (2.22%) JIRA Agile
General
1 31 (68.89%) Banking
2 29 (64.44%) Finance
3 4 (8.89%) Front Office
4 3 (6.67%) Investment Banking
Job Titles
1 41 (91.11%) Developer
2 33 (73.33%) Java Developer
3 30 (66.67%) Senior Developer
4 26 (57.78%) Senior Java Developer
5 17 (37.78%) JavaScript Developer
6 16 (35.56%) Full Stack Developer
6 16 (35.56%) HTML CSS Developer
6 16 (35.56%) HTML Developer
6 16 (35.56%) Senior Full Stack Developer
6 16 (35.56%) Senior JavaScript Developer
7 6 (13.33%) UI Developer
8 5 (11.11%) C# Developer
9 4 (8.89%) C++ Developer
9 4 (8.89%) C++/C# Developer
9 4 (8.89%) Senior C# Developer
9 4 (8.89%) Senior C++ Developer
10 2 (4.44%) Agile Developer
10 2 (4.44%) Agile Java Developer
10 2 (4.44%) Java Web Developer
10 2 (4.44%) Web UI Developer
Libraries, Frameworks & Software Standards
1 32 (71.11%) XML
2 28 (62.22%) Web Services
3 22 (48.89%) CSS
3 22 (48.89%) HTML
4 21 (46.67%) Spring
5 20 (44.44%) Spring Boot
6 19 (42.22%) REST
7 17 (37.78%) Hibernate
8 16 (35.56%) Java EE
8 16 (35.56%) JPA
8 16 (35.56%) JSP
8 16 (35.56%) Node.js
8 16 (35.56%) RESTful
8 16 (35.56%) Servlets
8 16 (35.56%) Spring Integration
9 15 (33.33%) WebSockets
10 13 (28.89%) TIBCO EMS
11 8 (17.78%) .NET
11 8 (17.78%) WCF
12 6 (13.33%) jQuery
Miscellaneous
1 17 (37.78%) User Experience
1 17 (37.78%) Virtual Team
2 15 (33.33%) Data Structures
3 4 (8.89%) Analytical Skills
4 2 (4.44%) Derivative
4 2 (4.44%) Equities
4 2 (4.44%) Equity Derivative
4 2 (4.44%) Mobile App
5 1 (2.22%) Computer Science
5 1 (2.22%) Greenfield Project
Operating Systems
1 4 (8.89%) Linux
Processes & Methodologies
1 20 (44.44%) MVC
2 16 (35.56%) Concurrent Programming
2 16 (35.56%) Data Modelling
2 16 (35.56%) Multithreading
3 15 (33.33%) Agile Software Development
3 15 (33.33%) Microservices
4 14 (31.11%) Functional Programming
4 14 (31.11%) OO
5 4 (8.89%) CRM
5 4 (8.89%) Issue Tracking
5 4 (8.89%) Mentoring
5 4 (8.89%) Process Improvement
5 4 (8.89%) Risk Management
5 4 (8.89%) SDLC
5 4 (8.89%) SOA
5 4 (8.89%) Software Engineering
5 4 (8.89%) Test Automation
5 4 (8.89%) Unit Testing
6 2 (4.44%) Cross-Browser Compatibility
6 2 (4.44%) Web Development
Programming Languages
1 37 (82.22%) Java
2 22 (48.89%) JavaScript
3 16 (35.56%) TypeScript
4 8 (17.78%) C#
5 7 (15.56%) SQL
6 4 (8.89%) C
6 4 (8.89%) C++
6 4 (8.89%) C++/CLI
6 4 (8.89%) T-SQL
7 3 (6.67%) PL/SQL
Qualifications
1 2 (4.44%) Degree
System Software
1 4 (8.89%) Docker
Systems Management
1 4 (8.89%) Kubernetes
Vendors
1 13 (28.89%) TIBCO
2 4 (8.89%) Google
2 4 (8.89%) Microsoft
2 4 (8.89%) Perforce
2 4 (8.89%) Siebel
3 1 (2.22%) Oracle