The following table provides summary statistics for contract job vacancies advertised in Staffordshire 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
West Midlands / Staffordshire
3 months to
29 Mar 2017
Same period 2016 Same period 2015
Rank 21 - 30
Rank change year-on-year - 0  
Contract jobs citing JSON 1 0 3
As % of all contract IT jobs advertised in Staffordshire 0.71% - 1.69%
As % of the Libraries, Frameworks & Software Standards category 2.70% - 3.45%
Number of daily rates quoted 1 0 3
Median daily rate £250 - £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 Staffordshire with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
Staffordshire
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 37 62 87
As % of all contract IT job vacancies advertised in Staffordshire 26.43% 41.89% 49.15%
Number of daily rates quoted 25 43 64
Median daily rate £325 £313 £335
Median daily rate % change year-on-year +4.00% -6.71%  
90% offered a daily rate of more than £225 £225 £288
10% offered a daily rate of more than £425 £450 £446
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 £41.00 £38.00 £36.00
% change year-on-year +7.89% +5.55%  

JSON
Job Vacancy Trend in Staffordshire

The job posting trend of jobs advertised in Staffordshire 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 Staffordshire

JSON
Contractor Daily Rate Trend in Staffordshire

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

Contractor daily rate trend for JSON in Staffordshire

JSON
Contract Job Locations in Staffordshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JSON within the Staffordshire region over the 3 months to 29 March 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
Stoke-on-Trent - 1 £250 -
JSON
West Midlands

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 Staffordshire region with a requirement for JSON.

1 3 (100.00%) XML
1 3 (100.00%) Ajax
1 3 (100.00%) jQuery
2 2 (66.67%) OO PHP
2 2 (66.67%) Web Development
2 2 (66.67%) MySQL
2 2 (66.67%) OO
2 2 (66.67%) E-Commerce
2 2 (66.67%) PHP
3 1 (33.33%) .NET
3 1 (33.33%) C#
3 1 (33.33%) HTML
3 1 (33.33%) JavaScript
3 1 (33.33%) Microsoft
3 1 (33.33%) ASP.NET
3 1 (33.33%) CSS
3 1 (33.33%) MVC
3 1 (33.33%) Kanban
3 1 (33.33%) Team Foundation Server
3 1 (33.33%) HTML5
3 1 (33.33%) Razor View Engine
3 1 (33.33%) AngularJS
3 1 (33.33%) ASP.NET Web Forms

JSON
Co-occurring IT Skills in Staffordshire 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:

Database & Business Intelligence
1 2 (66.67%) MySQL
Development Applications
1 1 (33.33%) Team Foundation Server
Job Titles
1 3 (100.00%) Developer
2 2 (66.67%) PHP Developer
3 1 (33.33%) .NET Developer
3 1 (33.33%) MySQL Developer
3 1 (33.33%) PHP MySQL Developer
Libraries, Frameworks & Software Standards
1 3 (100.00%) Ajax
1 3 (100.00%) jQuery
1 3 (100.00%) XML
2 1 (33.33%) .NET
2 1 (33.33%) AngularJS
2 1 (33.33%) ASP.NET
2 1 (33.33%) ASP.NET Web Forms
2 1 (33.33%) CSS
2 1 (33.33%) HTML
2 1 (33.33%) HTML5
2 1 (33.33%) Razor View Engine
Processes & Methodologies
1 2 (66.67%) E-Commerce
1 2 (66.67%) OO
1 2 (66.67%) OO PHP
1 2 (66.67%) Web Development
2 1 (33.33%) Kanban
2 1 (33.33%) MVC
Programming Languages
1 2 (66.67%) PHP
2 1 (33.33%) C#
2 1 (33.33%) JavaScript
Vendors
1 1 (33.33%) Microsoft