The following table provides summary statistics for contract job vacancies advertised in Wiltshire 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 26 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
South West / Wiltshire
3 months to
26 Jun 2017
Same period 2016 Same period 2015
Rank 48 54 48
Rank change year-on-year +6 -6  
Contract jobs citing JSON 13 13 6
As % of all contract IT jobs advertised in Wiltshire 1.95% 1.99% 0.94%
As % of the Libraries, Frameworks & Software Standards category 7.26% 7.69% 6.98%
Number of daily rates quoted 9 11 3
Median daily rate £400 £315 £363
Median daily rate % change year-on-year +26.98% -13.10%  
90% offered a daily rate of more than £344 £315 £353
10% offered a daily rate of more than £421 £325 £553
UK excluding London median daily rate £425 £400 £375
% change year-on-year +6.25% +6.66%  
Number of hourly rates quoted 0 0 1
Median hourly rate - - £35.00
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 Wiltshire with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
Wiltshire
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 179 169 86
As % of all contract IT job vacancies advertised in Wiltshire 26.84% 25.88% 13.48%
Number of daily rates quoted 126 115 68
Median daily rate £350 £350 £350
90% offered a daily rate of more than £303 £313 £268
10% offered a daily rate of more than £529 £600 £448
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 0 3 1
Median hourly rate - £50.00 £35.00
Median hourly rate % change year-on-year - +42.85%  
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 Wiltshire

The job posting trend of jobs advertised in Wiltshire 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 Wiltshire

JSON
Contractor Daily Rate Trend in Wiltshire

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

Contractor daily rate trend for JSON in Wiltshire

JSON
Contract Job Locations in Wiltshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JSON within the Wiltshire region over the 3 months to 26 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
Swindon -4 8 £388 +23.01%
Salisbury - 4 £400 -
JSON
South West

For the 6 months to 26 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 Wiltshire region with a requirement for JSON.

1 11 (68.75%) JavaScript
2 10 (62.50%) C#
2 10 (62.50%) .NET
3 9 (56.25%) Ajax
3 9 (56.25%) AngularJS
4 8 (50.00%) Agile Software Development
4 8 (50.00%) MVC
5 7 (43.75%) CSS
5 7 (43.75%) HTML
5 7 (43.75%) Continuous Integration
6 6 (37.50%) HTML5
6 6 (37.50%) REST
6 6 (37.50%) SQL Server
6 6 (37.50%) ASP.NET
7 5 (31.25%) Scrum
7 5 (31.25%) Ext JS
7 5 (31.25%) Team Foundation Server
7 5 (31.25%) RESTful
7 5 (31.25%) Sencha Touch
7 5 (31.25%) Sencha
7 5 (31.25%) ASP.NET MVC
7 5 (31.25%) Twitter Bootstrap
7 5 (31.25%) ASP.NET MVC 4
7 5 (31.25%) SQL Server 2012
8 4 (25.00%) Elasticsearch
8 4 (25.00%) SC Cleared
8 4 (25.00%) Security Cleared
8 4 (25.00%) Lucene
8 4 (25.00%) Finance
8 4 (25.00%) Project Management

JSON
Co-occurring IT Skills in Wiltshire 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 (25.00%) Elasticsearch
2 1 (6.25%) Apache
2 1 (6.25%) BizTalk Server
Communications & Networking
1 1 (6.25%) Firewall
1 1 (6.25%) SMTP
1 1 (6.25%) TCP/IP
Database & Business Intelligence
1 6 (37.50%) SQL Server
2 5 (31.25%) SQL Server 2012
3 1 (6.25%) FileMaker
3 1 (6.25%) Hadoop
3 1 (6.25%) MySQL
Development Applications
1 5 (31.25%) Team Foundation Server
2 2 (12.50%) Git (software)
3 1 (6.25%) Cucumber
3 1 (6.25%) Jenkins
General
1 4 (25.00%) Finance
2 1 (6.25%) Banking
Job Titles
1 15 (93.75%) Developer
2 8 (50.00%) .NET Developer
3 7 (43.75%) C# .NET Developer
3 7 (43.75%) C# Developer
4 4 (25.00%) ASP.NET Developer
4 4 (25.00%) C# ASP.NET Developer
5 2 (12.50%) .NET Applications Developer
5 2 (12.50%) Angular Developer
5 2 (12.50%) Applications Developer
5 2 (12.50%) ASP.NET MVC Developer
5 2 (12.50%) C# Application Developer
6 1 (6.25%) BizTalk Consultant
6 1 (6.25%) BizTalk Developer
6 1 (6.25%) Consultant
6 1 (6.25%) Front End Developer (Client-Side Developer)
6 1 (6.25%) HTML CSS Developer
6 1 (6.25%) PHP Laravel Developer
6 1 (6.25%) Sencha Developer
6 1 (6.25%) Sitecore Developer
6 1 (6.25%) Web UI Developer
Libraries, Frameworks & Software Standards
1 10 (62.50%) .NET
2 9 (56.25%) Ajax
2 9 (56.25%) AngularJS
3 7 (43.75%) CSS
3 7 (43.75%) HTML
4 6 (37.50%) ASP.NET
4 6 (37.50%) HTML5
4 6 (37.50%) REST
5 5 (31.25%) ASP.NET MVC
5 5 (31.25%) ASP.NET MVC 4
5 5 (31.25%) Ext JS
5 5 (31.25%) RESTful
5 5 (31.25%) Sencha Touch
5 5 (31.25%) Twitter Bootstrap
6 4 (25.00%) Lucene
7 3 (18.75%) WCF
8 2 (12.50%) .NET Framework
8 2 (12.50%) Backbone.js
8 2 (12.50%) Ember.js
8 2 (12.50%) jQuery
Miscellaneous
1 1 (6.25%) Linux Command Line
Operating Systems
1 2 (12.50%) Linux
2 1 (6.25%) Mac OS
2 1 (6.25%) Unix
2 1 (6.25%) Windows
Processes & Methodologies
1 8 (50.00%) Agile Software Development
1 8 (50.00%) MVC
2 7 (43.75%) Continuous Integration
3 5 (31.25%) Scrum
4 4 (25.00%) Project Management
4 4 (25.00%) Service Delivery
5 2 (12.50%) TDD
6 1 (6.25%) ATDD
6 1 (6.25%) BDD
6 1 (6.25%) Continuous Improvement
6 1 (6.25%) Data Modelling
6 1 (6.25%) Front End Development
6 1 (6.25%) OOP
6 1 (6.25%) Open Source
6 1 (6.25%) Pair Programming
6 1 (6.25%) Performance Tuning
6 1 (6.25%) Release Management
6 1 (6.25%) Responsive Web Design
6 1 (6.25%) Software Testing
6 1 (6.25%) User Stories
Programming Languages
1 11 (68.75%) JavaScript
2 10 (62.50%) C#
3 4 (25.00%) SQL
4 1 (6.25%) Java
4 1 (6.25%) PHP
4 1 (6.25%) Shell Script
4 1 (6.25%) T-SQL
Qualifications
1 4 (25.00%) SC Cleared
1 4 (25.00%) Security Cleared
Vendors
1 5 (31.25%) Sencha
2 1 (6.25%) Microsoft
2 1 (6.25%) RedGate
2 1 (6.25%) Sitecore
2 1 (6.25%) Twitter