The following table provides summary statistics for contract job vacancies advertised in York 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 29 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.

JSON
3 months to
29 Mar 2017
Same period 2016 Same period 2015
Rank 16 26 17
Rank change year-on-year +10 -9  
Contract jobs citing JSON 1 1 10
As % of all contract IT jobs advertised in York 1.43% 0.99% 9.09%
As % of the Libraries, Frameworks & Software Standards category 10.00% 2.70% 22.22%
Number of daily rates quoted 1 0 9
Median daily rate £400 - £300
UK excluding London median daily rate £411 £375 £350
% change year-on-year +9.66% +7.14%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £37.00 £55.00 £37.50
% change year-on-year -32.72% +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 York with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
York
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 10 37 45
As % of all contract IT job vacancies advertised in York 14.29% 36.63% 40.91%
Number of daily rates quoted 8 20 30
Median daily rate £400 £310 £320
Median daily rate % change year-on-year +29.03% -3.12%  
90% offered a daily rate of more than £215 £220 £253
10% offered a daily rate of more than £425 £425 £400
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 0 2 0
Median hourly rate - £32.50 -
UK excluding London median hourly rate £41.00 £38.00 £36.00
% change year-on-year +7.89% +5.55%  

JSON
Job Vacancy Trend in York

The job posting trend of jobs advertised in York 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 York

JSON
Contractor Daily Rate Trend in York

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

Contractor daily rate trend for JSON in York

For the 6 months to 29 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 York region with a requirement for JSON.

1 3 (100.00%) JavaScript
1 3 (100.00%) SQL
1 3 (100.00%) Agile Software Development
1 3 (100.00%) Git (software)
2 2 (66.67%) API Integration
2 2 (66.67%) SOLID
2 2 (66.67%) Continuous Deployment
2 2 (66.67%) Entity Framework
2 2 (66.67%) Ninject
2 2 (66.67%) Sass
2 2 (66.67%) AngularJS
2 2 (66.67%) SQL Server Management Studio (SSMS)
2 2 (66.67%) ASP.NET Web API
2 2 (66.67%) NUnit
2 2 (66.67%) LINQ
2 2 (66.67%) Unit Testing
2 2 (66.67%) Continuous Integration
2 2 (66.67%) .NET Framework
2 2 (66.67%) SMS
2 2 (66.67%) JSUnit
2 2 (66.67%) Amazon AWS
2 2 (66.67%) ASP.NET MVC
2 2 (66.67%) Dependency Injection
2 2 (66.67%) HTML5
2 2 (66.67%) MVC
2 2 (66.67%) C#
2 2 (66.67%) HTML
2 2 (66.67%) .NET
2 2 (66.67%) SQL Server
2 2 (66.67%) Visual Studio

JSON
Co-occurring IT Skills in York 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:

Cloud Services
1 2 (66.67%) Amazon AWS
Communications & Networking
1 2 (66.67%) SMS
Database & Business Intelligence
1 2 (66.67%) SQL Server
2 1 (33.33%) MySQL
2 1 (33.33%) NoSQL
Development Applications
1 3 (100.00%) Git (software)
2 2 (66.67%) JSUnit
2 2 (66.67%) NUnit
2 2 (66.67%) SQL Server Management Studio (SSMS)
2 2 (66.67%) Visual Studio
3 1 (33.33%) Jenkins
3 1 (33.33%) JIRA
3 1 (33.33%) Mockito
Job Titles
1 3 (100.00%) Developer
2 2 (66.67%) .NET Developer
2 2 (66.67%) Agile .NET Developer
2 2 (66.67%) Agile Developer
2 2 (66.67%) HTML Developer
2 2 (66.67%) SQL Developer
3 1 (33.33%) Java Developer
Libraries, Frameworks & Software Standards
1 2 (66.67%) .NET
1 2 (66.67%) .NET Framework
1 2 (66.67%) AngularJS
1 2 (66.67%) ASP.NET
1 2 (66.67%) ASP.NET MVC
1 2 (66.67%) ASP.NET Web API
1 2 (66.67%) CSS
1 2 (66.67%) Entity Framework
1 2 (66.67%) HTML
1 2 (66.67%) HTML5
1 2 (66.67%) LINQ
1 2 (66.67%) Ninject
1 2 (66.67%) Sass
1 2 (66.67%) XML
2 1 (33.33%) Spring
Miscellaneous
1 1 (33.33%) User Experience
Processes & Methodologies
1 3 (100.00%) Agile Software Development
2 2 (66.67%) API Integration
2 2 (66.67%) Continuous Deployment
2 2 (66.67%) Continuous Integration
2 2 (66.67%) Dependency Injection
2 2 (66.67%) MVC
2 2 (66.67%) SOLID
2 2 (66.67%) Unit Testing
3 1 (33.33%) Kanban
3 1 (33.33%) Microservices
3 1 (33.33%) Scrum
3 1 (33.33%) SOA
3 1 (33.33%) TDD
3 1 (33.33%) Test Automation
Programming Languages
1 3 (100.00%) JavaScript
1 3 (100.00%) SQL
2 2 (66.67%) C#
3 1 (33.33%) Java