Period
to 15 December 2017

The following table provides summary statistics for contract job vacancies advertised in Slough 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 15 December 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
Berkshire > Slough
6 months to
15 Dec 2017
Same period 2016 Same period 2015
Rank 27 - 36
Rank change year-on-year - +36 +20
Contract jobs citing JSON 8 0 13
As % of all contract IT jobs advertised in Slough 2.81% - 2.62%
As % of the Libraries, Frameworks & Software Standards category 10.67% - 9.70%
Number of daily rates quoted 7 0 22
Slough median daily rate £450 - £301
10th Percentile £355 - £250
90th Percentile £481 - £363
Berkshire median daily rate £400 £400 £350
% change year-on-year - +14.29% +6.06%
Number of hourly rates quoted 0 0 0
Slough median hourly rate - - -
Berkshire median hourly rate £41.50 £48.00 -
% change year-on-year -13.54% - -

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 Slough with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
Slough
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 75 68 134
As % of all contract IT jobs advertised in Slough 26.32% 22.22% 26.96%
Number of daily rates quoted 51 52 95
Slough median daily rate £400 £363 £350
Median daily rate % change year-on-year +10.34% +3.57% +6.06%
10th Percentile £313 £251 £250
90th Percentile £525 £456 £488
Berkshire median daily rate £400 £400 £400
Number of hourly rates quoted 0 0 5
Slough median hourly rate - - £25.00
Berkshire median hourly rate £32.00 £33.75 £36.00
% change year-on-year -5.19% -6.25% +10.77%

JSON
Job Vacancy Trend in Slough

Job postings citing JSON as a percentage of all IT jobs advertised in Slough.

Job vacancy trend for JSON in Slough

JSON
Contractor Daily Rate Trend in Slough

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

Contractor daily rate trend for JSON in Slough

JSON
Contractor Hourly Rate Trend in Slough

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing JSON in Slough.

Contractor hourly rate trend for JSON in Slough

For the 6 months to 15 December 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 Slough region with a requirement for JSON.

1 6 (75.00%) JavaScript
1 6 (75.00%) XML
1 6 (75.00%) SaaS
2 4 (50.00%) HTML5
2 4 (50.00%) Axure RP
2 4 (50.00%) Node.js
2 4 (50.00%) REST
2 4 (50.00%) Sass
2 4 (50.00%) LESS
2 4 (50.00%) AngularJS
2 4 (50.00%) Twitter Bootstrap
2 4 (50.00%) Grunt
2 4 (50.00%) User Experience
2 4 (50.00%) gulp
2 4 (50.00%) Front End Development
2 4 (50.00%) Vue (Vue.js)
2 4 (50.00%) CSS3
2 4 (50.00%) Windows
2 4 (50.00%) Linux
2 4 (50.00%) HTML
2 4 (50.00%) Web Services
2 4 (50.00%) MySQL
2 4 (50.00%) SQL Server
2 4 (50.00%) Photoshop
2 4 (50.00%) Visual Studio
2 4 (50.00%) CSS
2 4 (50.00%) MS Visio
2 4 (50.00%) Dreamweaver
2 4 (50.00%) SVG
2 4 (50.00%) Subversion

JSON
Co-occurring IT Skills in Slough 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:

Applications
1 4 (50.00%) Adobe Illustrator
1 4 (50.00%) MS Visio
1 4 (50.00%) Photoshop
Business Applications
1 2 (25.00%) NetSuite
Cloud Services
1 6 (75.00%) SaaS
2 2 (25.00%) GitHub
2 2 (25.00%) iPaaS
Database & Business Intelligence
1 4 (50.00%) MySQL
1 4 (50.00%) SQL Server
Development Applications
1 4 (50.00%) Axure RP
1 4 (50.00%) Dreamweaver
1 4 (50.00%) Git (software)
1 4 (50.00%) Grunt
1 4 (50.00%) gulp
1 4 (50.00%) Subversion
1 4 (50.00%) Visual Studio
2 2 (25.00%) Xcode
Job Titles
1 7 (87.50%) Developer
2 4 (50.00%) Angular Developer
2 4 (50.00%) Front End Developer (Client-Side Developer)
2 4 (50.00%) JavaScript Developer
3 3 (37.50%) C# Developer
4 2 (25.00%) iOS Developer
5 1 (12.50%) Integration Developer
5 1 (12.50%) Integration Specialist
Libraries, Frameworks & Software Standards
1 6 (75.00%) XML
2 4 (50.00%) AngularJS
2 4 (50.00%) CSS
2 4 (50.00%) CSS3
2 4 (50.00%) HTML
2 4 (50.00%) HTML5
2 4 (50.00%) jQuery
2 4 (50.00%) LESS
2 4 (50.00%) Node.js
2 4 (50.00%) REST
2 4 (50.00%) Sass
2 4 (50.00%) SVG
2 4 (50.00%) Twitter Bootstrap
2 4 (50.00%) Vue (Vue.js)
2 4 (50.00%) Web Services
3 3 (37.50%) DHTML
3 3 (37.50%) Silverlight
4 2 (25.00%) Core Data
4 2 (25.00%) iOS SDK
4 2 (25.00%) SOAP
Miscellaneous
1 4 (50.00%) Animation
1 4 (50.00%) User Experience
2 2 (25.00%) Data Structures
Operating Systems
1 4 (50.00%) Linux
1 4 (50.00%) Windows
2 2 (25.00%) Apple iOS
Processes & Methodologies
1 4 (50.00%) Front End Development
1 4 (50.00%) Visualisation
2 2 (25.00%) CRM
2 2 (25.00%) iOS Development
2 2 (25.00%) Multithreading
Programming Languages
1 6 (75.00%) JavaScript
2 3 (37.50%) C#
3 2 (25.00%) Apple Swift
3 2 (25.00%) Objective-C
3 2 (25.00%) SQL
3 2 (25.00%) VBScript
4 1 (12.50%) VB
Vendors
1 2 (25.00%) Jitterbit